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US20130032960A1 - Modular pipe formation apparatus - Google Patents

Modular pipe formation apparatus Download PDF

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Publication number
US20130032960A1
US20130032960A1 US13/574,537 US201113574537A US2013032960A1 US 20130032960 A1 US20130032960 A1 US 20130032960A1 US 201113574537 A US201113574537 A US 201113574537A US 2013032960 A1 US2013032960 A1 US 2013032960A1
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US
United States
Prior art keywords
modules
pipe
pipe formation
formation apparatus
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/574,537
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English (en)
Inventor
Marcello Russo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tubi Pty Ltd
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Tubi Pty Ltd
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Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44306307&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20130032960(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from AU2010900251A external-priority patent/AU2010900251A0/en
Application filed by Tubi Pty Ltd filed Critical Tubi Pty Ltd
Assigned to TUBI PTY LTD reassignment TUBI PTY LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: RUSSO, MARCELLO
Publication of US20130032960A1 publication Critical patent/US20130032960A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/025—General arrangement or layout of plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/265—Support structures or bases for apparatus, e.g. frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/266—Means for allowing relative movements between the apparatus parts, e.g. for twisting the extruded article or for moving the die along a surface to be coated
    • B29C48/2665—Means for allowing relative movements between the apparatus parts, e.g. for twisting the extruded article or for moving the die along a surface to be coated allowing small relative movement, e.g. adjustments for aligning the apparatus parts or for compensating for thermal expansion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/275—Recovery or reuse of energy or materials
    • B29C48/276—Recovery or reuse of energy or materials of energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/28—Storing of extruded material, e.g. by winding up or stacking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/303—Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/355—Conveyors for extruded articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/287—Raw material pre-treatment while feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/905—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using wet calibration, i.e. in a quenching tank
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2016/00—Articles with corrugations or pleats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/18—Pleated or corrugated hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • a plastic pipe formation apparatus is disclosed. Also disclosed is a method of relocating and assembling a pipe formation apparatus, and a system for the production of plastic pipe.
  • the apparatus can be modularised and transported, and finds particular application for use in manufacturing plastic pipe on site, or in close proximity of the pipe laying site. However, it is to be appreciated that the apparatus has broader application, and is not limited to such use.
  • Plastic pipe has a variety of industrial uses, including water supply, sewerage and waste water, transportation of gas and liquids, as well as a protective barrier for electrical and telecommunication cables.
  • Plastic pipes are particularly useful as they are corrosion resistant flexible and offer weight advantages compared to alternative pipe construction materials such as copper, cast-iron and other metals. These qualities provide significant cost savings, and plastic pipes have been utilised extensively in the water, agriculture, mining, construction, infrastructure, energy, electrical and telecommunication sectors.
  • Plastic pipes are manufactured by pipe extrusion inside a factory, thereby allowing production in a controlled environment.
  • Plastic pipe extrusion generally involves feeding raw plastic material through a hopper into the barrel of the extruder. Inside the barrel, a rotating screw rotates and advances the plastic feed, with the assistance of heaters, to melt and pressurise the plastic feed into molten plastic. The pressurised molten plastic is then forced through a die having an annular profile, thereby producing an extruded pipe. The newly extruded pipe is then passed through a series of cooling tanks, that spray water to solidify the plastic pipe. The pipes may then be coiled for storage and/or transportation before pipe laying.
  • the pipe may be manufactured from a factory in an industrial area which needs to be transported by conventional means such as by ship, road and rail.
  • These modes of transport have physical limitations on size and bulk of cargo, therefore large diameter pipes are usually manufactured in sections of manageable size and weight, typically with a length of 20 metres.
  • These sections are transported to the site for pipe laying, where multiple sections are joined together by a coupling, which may involve plastic welding of the ends of the pipe sections.
  • Such coupling of the pipe sections is time consuming and adds additional costs to labour and materials.
  • a modular plastic pipe formation apparatus wherein at least two components of the pipe formation apparatus are disposed with respect to at least one or more respective modules.
  • pipe manufacture can take place on site (at least for bulky, space-consuming stages). This can save on transportation and cost, as outlined in detail hereafter.
  • one of the components is a plastic extruder.
  • the module containing the plastic extruder may further comprise a plastic raw material dryer and a die head.
  • the module for the plastic extruder further comprises a pipe corrugator to corrugate extruded pipe from the die head.
  • the plastic pipe formation apparatus further comprises a corrugator module for positioning adjacent to the plastic extruder module to receive therefrom and corrugate extruded pipe.
  • a separate corrugator module allows the operator to selectively configure the machine to produce straight wall or corrugated pipe, by simply inserting or removing the corrugator module from the plastic pipe formation apparatus.
  • At least another one of the components comprises a cooling tank.
  • two or more cooling tank modules are provided in series to receive extruded plastic pipes therein for cooling.
  • the cooling tank cools the hot extruded plastic pipe to a solid state.
  • the cooling tank contains a water spray for cooling the plastic.
  • a first of the two or more cooling modules comprises a vacuum water tank. The vacuum assists extruding the molten plastic pipe from the die head.
  • the modular plastic pipe formation apparatus further comprises one or more modules comprising one or more of the following components: a haul off caterpillar, a cutter, a pipe sliding table, a tipping table, and a coiler.
  • the plurality of modules are aligned in a predetermined manner during formation of plastic pipe.
  • a module or each module of the plastic pipe formation apparatus is adapted to be transportable.
  • the plurality of modules are adapted to be coupled to each other in use, and decoupled, from each other during transportation of the apparatus.
  • At least one of the modules comprises a standardised shipping container, optionally modified for use in the apparatus.
  • At least one of the modules comprises a container or supporting framework for use in the apparatus and having at least some of the features of a standardised shipping container to facilitate its transportation.
  • the adjacent modules are adapted for being locked together during pipe formation. Locking the modules together ensures the modules are in their desired predetermined arrangement. Thus, the operator can be confident the modules are correctly arranged, and will not deviate in position.
  • the modular plastic pipe formation apparatus further comprises an adjustment mechanism for closely positioning adjacent modules prior to locking them together.
  • This mechanism may take the form of a winch, with a winch base attached to one module, and the end of a winch cable attached to another module, the operation of the winch drawing the modules together.
  • This allows the modules to be initially positioned in a roughly arranged arrangement by a crane. Subsequently, the adjustment mechanism allows the modules to be closely positioned and aligned to each other. This avoids using cranes to position modules in precise locations, which can be difficult given the modules may be the size of shipping containers, which are bulky and awkward to lift and position.
  • the modular plastic pipe formation apparatus further comprises external supports for supporting respective modules.
  • the external supports can comprise adjustable jacks to adjust the position or angle of the supported module.
  • the external supports further comprise piles for securing into underlying ground. The external supports allow the modules to be placed and used on uneven or softer ground, as well as providing ground clearance for water drainage.
  • the position or angle of a component at one module is adjustable with respect to its module.
  • the plurality of components disposed within the modules are adjustable in position or angle, enabling the plurality of components to be aligned for pipe formation. This allows the components of pipe forming apparatus to be aligned even if the supporting modules are not perfectly aligned. This may be advantageous where the production site is not perfectly level, or if the modules have not been precisely arranged.
  • the apparatus further comprises a reference laser beam to aid in alignment of the components and/or the modules.
  • a pipe formation system comprising:
  • the modules are configurable as transportable containers, the manufacturing system further comprising a transporter for conveying the modules to and from a pipe production site, with the transportable containers and transporter together providing a mobile pipe manufacturing system.
  • the transporter may be in the form of a semi-trailer, rail car or a container ship.
  • At least one component of the system is a plastic extrader.
  • the pipe formation system further comprises a coiler optionally disposed with respect to a module.
  • the pipe formation system further comprises pipe trailers for transporting pipe to the pipe laying site.
  • the pipe formation system further comprises a power generation unit optionally disposed with respect to a module.
  • the pipe formation system further comprises a chilling unit for providing a closed circuit cooling water supply to a cooling tank component, the chilling unit and/or the cooling tank each optionally disposed with respect to a module.
  • the pipe formation system can be self sufficient, without reliance on existing infrastructure such as a power grid and plumbing at the production site. This allows the system to be employed at a production site in a remote location.
  • hot air may be extracted from inside the freshly extruded pipe, or from other locations in the pipe formation system or apparatus. This hot air can be recycled to the raw material dryer for use in drying the raw material. This can reduce the energy requirements of the system.
  • a method for forming plastic pipe employing a form of the apparatus of the first aspect comprises:
  • the method further comprises forming plastic pipe.
  • a method of forming plastic pipe using a modular plastic pipe formation apparatus that comprises a plurality of modules supporting components of the pipe formation apparatus, the method comprising:
  • the method further comprises coupling the modules together.
  • the coupling of the modules and arranging of the components comprises:
  • the components are aligned using a laser for determining the position of the components and then, as necessary, adjusting alignment of the components.
  • a method of establishing a mobile plastic pipe manufacturing site comprising:
  • the coupling of the modules together comprises locking the modules together; and aligning the components of the plastic formation apparatus to enable pipe formation.
  • the modules and the components are initially configured in a transportable state, with the method further comprising configuring the components and modules to a production state after the step of transporting the modules to the production site.
  • the modular plastic pipe formation apparatus may be relocated and set up at a second production site, with the method then comprising:
  • the apparatus, system and methods disclosed herein allow production of pipe at remote locations, whereby pipe formation may be performed at close proximity to where the pipe will be used. This reduces transportation of the finished product, which can be considerably expensive to transport for long distances. Thus actual transportation costs are reduced as the finished product may not even need to travel at all from the point of manufacture to the site. This also considerably reduces the timeline from when the pipe is manufactured to when it is delivered, therefore the installation time is also reduced.
  • the length of pipe produced can be increased.
  • Transportation of large sections may be achieved by utilising specialised pipe trailers to move the pipes from the production location to the pipe laying location. Manufacturing can even take place adjacent to where pipe is to be laid.
  • longer pipe sections and shorter transport distances reduces overall handling of the pipe, and reduces possibility of freight damage of the pipe in transit.
  • shorter transport distances improves public safety as bulky pipes do not need to travel long distances on public roads.
  • a mobile pipe manufacturing facility also allows the supply of pipe that may otherwise be logistically difficult to deliver.
  • For factory-produced pipes there has been a reliance on transportation capable of transporting manufactured pipe between the factory and pipe site. In remote locations, traditional transportation methods may not have the capacity to transport bulky pipe through rugged or remote terrain.
  • the pipe extrusion machine itself may be separated into manageable, containerised modules. These modules may then be more easily transported to a remote location, and set up to manufacture pipe on location.
  • FIG. 1 is a plan view of a modular plastic pipe formation apparatus according to a first embodiment
  • FIG. 2 is a side view of the modular plastic pipe formation apparatus of FIG. 1 ;
  • FIG. 3 is a plan view of a modular plastic pipe formation apparatus according to a second embodiment
  • FIG. 4 is a side view of the modular plastic pipe formation apparatus of FIG. 3 ;
  • FIG. 5 is a plan view of the modules of the plastic pipe formation apparatus of FIG. 3 ;
  • FIG. 6 is a side view of the modules of the plastic pipe formation apparatus of FIG. 3 ;
  • FIG. 7 is an end view of a module of the plastic pipe formation apparatus of FIG. 3 with the end doors mounted for transportation;
  • FIG. 8 is a sectioned view of a module of the plastic pipe formation apparatus along section B-B in FIG. 6 ;
  • FIG. 9 is a sectioned view of a module of the plastic pipe formation apparatus along section C-C in FIG. 6 ;
  • FIG. 10 illustrate the top, side and sectioned end view of a first module of FIG. 5 ;
  • FIG. 11 illustrate the top, side and sectioned end view of a second module of FIG. 5 ;
  • FIG. 12 illustrate the top, side and sectioned end view of a third module of FIG. 6 ;
  • FIG. 13 illustrate the top, side and sectioned end view of a fourth module of FIG. 6 ;
  • FIG. 14 illustrate the top, side and sectioned end view of a fifth module of FIG. 6 ;
  • FIG. 15 illustrate the top, side and sectioned end view of a sixth module of FIG. 6 ;
  • FIG. 16 illustrate the top, side and sectioned end view of a seventh module of FIG. 7 ;
  • FIG. 17 illustrate the top and side view of an external support for the modules.
  • FIG. 18 illustrate the top and side view of an internal support frame.
  • FIG. 1 illustrates a plan view of a modular plastic pipe formation apparatus 1 configured for smooth wall pipe production.
  • the pipe formation apparatus 1 comprises a series of modules 3 , each comprising modified shipping containers, within which are disposed components of the pipe formation apparatus.
  • the modules 3 are coupled to each other in a predetermined layout, allowing the components therein to be aligned for pipe production.
  • first module 5 there is provided a raw material dryer 7 , screw extruder 9 and a die head 11 .
  • second module 15 there is provided a vacuum water tank 17 .
  • the third and fourth modules 19 house water cooling tanks 21 .
  • the fifth module 23 houses a haul off caterpillar, and the sixth module 27 houses a cutter 29 .
  • Other components for pipe production may include, a raw material feeding and storage component 31 , a power generation unit 33 , a chilling unit 35 , pipe sliding table/tipping table 37 and a pipe coiler 39 .
  • Raw plastic material is fed from the raw material feeding and storage component 31 to the raw material dryer 7 , where the raw plastic material is dried before feeding into the hopper of the screw extruder 9 .
  • the raw plastic material is then heated and pressurised in the barrel of the screw extruder 9 , thereby creating a polymer resin in a molten state.
  • the molten polymer is then forced through the die head 11 , thereby creating a pipe extrusion.
  • the hot pipe extrusion enters and is drawn into vacuum water tank 17 , where the vacuum assists in pulling the extrusion from the die head.
  • a series of water spray nozzles within the vacuum water tank 17 sprays water to cool the newly extruded pipe, to aid in solidification.
  • the haul off caterpillar 25 pulls the solidified pipe from the water cooling tanks 21 and passes the pipe through the cutter 29 .
  • the cutter 29 cuts the pipe at intervals as selected by the operator, to provide pipe of desired length.
  • the finished pipe is then transferred to a pipe sliding table/tipping table 37 where the pipe is prepared for storage and/or transportation.
  • this may include coiling the pipe on the coiler 39 as illustrated in FIGS. 1 and 2 .
  • the pipe may be lifted directly from the pipe sliding table/tipping table 37 to a storage area or a pipe transporter.
  • the raw material feeding and storage component 31 comprises portable silos 41 , e.g. of 10 to 50 tonne capacity. As illustrated in FIG. 2 , the silo 41 may be tilted such that the raw material flows to the rear of the silo 41 to assist in extraction of the raw material.
  • the raw material is extracted from the silo by pipe work or flexible hose with a suction unit, thereby sucking the raw material from the silo, and supplying it to bulker bags 43 for temporary storage before feeding to the raw material dryer 7 .
  • the raw material dryer 7 dries the plastic raw material before feeding into the extruder 9 .
  • the raw material dryer may utilise power and heat from the power generation unit 33 . Additionally as alternatively, hot air may be extracted from inside the freshly extruded pipe, and recycled to the raw material dryer 7 for drying of the plastic raw material. This can conserve energy by reducing or eliminating additional energy requirements for drying the raw material.
  • the extruder 9 may be a single or double screw extruder. This may be a commercial off-the-shelf unit, or a modified unit with reduced total output power to match the power generation unit 33 .
  • a suitable extruder may include extruders manufactured by BATTENFELD-CININNATI GmbH.
  • Located with the die head 11 is a pipe head.
  • the pipe head may have the ability to produce single, double or triple layer pipe.
  • Various pipe sizes may be produced, including 400 mm, 630 mm, 1200 mm and 1600 mm diameter pipe.
  • Extruder line colourer 12 applies coloured lines to the extruded pipe for pipe marking and identification purposes. Although only one extruder line colourer 12 is illustrated, in other embodiments, more than one extruder line colourer 12 may be used. As illustrated in FIG. 1 , the extruder line colourer 12 when configured for use, projects from the first module 5 . Thus, an additional container 13 may be arranged adjacent to first module 5 to provide overhead protection to the extruder line colourer 12 . Furthermore, container 13 may provide a working shelter for operators of the apparatus 1 whilst allowing them access to components of the apparatus 1 .
  • the vacuum water tank 17 comprises a cylindrical tank in which the recently extruded pipe passes through. Inside the tank is a series of water sprays to cool the hot extruded plastic pipe. The ends of the cylindrical tank are provided with a rubber boot or flaps. The rubber boot or flaps permit the extruded pipe to enter the tank and at the same time forms an atmospheric seal between the inside of the tank and the surrounding atmosphere. Vacuum pumps are disposed below the cylindrical tank to provide a vacuum inside the cylindrical tank. Water and power to the tank is provided by a respective water and electrical circuit, which will be described further below.
  • the cooling water tanks 21 comprise a cylindrical tank provided with water sprays similar to the vacuum water tank 17 . It would be appreciated that it is possible to use multiple vacuum water tanks 17 in place of the cooling water tanks 21 .
  • the haul off caterpillar 25 comprises powered caterpillar tracks that grip the outer surface of the finished pipe to pull the pipe from the cooling tanks 21 .
  • the cutter 29 and coiler 39 may be commercial off-the-shelf units. Ideally, the coiler 39 coils pipe with low ovality or deformation, such as the Low Ovality Technology coilers manufactured by PIPE COIL TECHNOLOGY LIMITED, UK.
  • the pipe sliding table 37 is adapted to receive and support cut pipe from the cutter 29 , and may comprise rollers to assist in sliding. Alternatively, or in conjunction, a tipping table may be used to receive, and transfer sections of cut pipe to a pipe trolley, or other component.
  • the power generation unit 33 comprises either a diesel, petrol or gas generator disposed at a 20 or 40 foot shipping container.
  • the container may further include a fuel tank for the generator.
  • the module containing the power generation unit 33 may be adapted for outdoor or indoor use where it may be fitted with breather and exhaust piping.
  • Power from the power generation unit 33 is provided to the first module 5 , where it is distributed to subsequent modules 3 of the apparatus 1 .
  • Each module 3 will have electrical power connectors to receiver power from a module, as well as distributing power to another connected module. That is, the first module 5 will be electrically connected to the second module 15 , which in turn is electrically connected to the third module 19 , etc.
  • this reduces the need to connect each individual module 3 with an electrical power line from the power generation unit 33 , and simplifies assembly of the pipe formation apparatus 1 at the production site.
  • An exception is power supply to the chilling unit 35 , where it may be advantageous to directly connect power from the power generation unit 33 .
  • the apparatus 1 may receive electrical power from the mains source. Similar to the above mentioned embodiment, electrical mains power can be provided to the first module 5 , where it will be distributed to subsequent modules 3 .
  • the water chilling unit 35 may comprise an absorption refrigerator or a compressor refrigerator inside a 20 or 40 foot shipping container.
  • the container may further include a water tank, and the water chilling unit may be adapted for outdoor or indoor use.
  • the water chilling unit may be connected to, or co-located with, the power generation unit 35 .
  • the water chilling unit 35 is piped to the first module 5 , and cools water for a closed circuit water supply for the apparatus 1 .
  • the water circuit comprises a cool water line and a hot water line running parallel to modules 5 , 15 and 19 .
  • the modules 5 , 15 and 19 have height adjustable hot and cold pipes disposed therein, and the pipes are coupled to each other to form part of the closed water circuit.
  • the closed water circuit provides water to the water cooling tanks 21 , vacuum water tank 17 , and components in module 5 .
  • the apparatus 1 may exchange cool and hot water with the existing water circuit. Similar to the water circuit described in the embodiment above, the water circuit can be connected to the first module 5 , where it will be coupled to the pipes of subsequent modules 3 .
  • a corrugator either disposed in the first module 5 , or in a separate module, may be positioned between the die head 11 and the vacuum water tank 17 .
  • the corrugator may be a commercial off-the-shelf system, such as the DROSSBACH HD series manufactured by DROSSBACH GmbH, or ITIB corrugator series manufactured by ITIB MACHINERY INTERNATIONAL S.p.A.
  • the corrugator in use, moves back and forth axially to the extruded pipe.
  • part of the corrugator may envelope part of the die head 11 .
  • part of the corrugator may protrude from a corrugator module and into the first module 5 .
  • the die head 11 may extend from the first module 5 , and protrude into the corrugator module.
  • each module 3 is provided with a lock 45 to allow adjacent modules 3 to be locked to one another. This ensures the modules are correctly arranged with respect to each other during pipe formation. Furthermore, an adjustment mechanism such as a winch may be used for pulling modules together. Thus, modules can be placed in close proximity to each other, and the winch may then pull modules together before the locks 45 are engaged.
  • a winch may be used for pulling modules together.
  • each module 3 is also adjustable in position or angle with respect to the module they are disposed in.
  • the components are supported by adjustable jacks on top of the module floor. Adjustment may either be mechanical, hydraulic, electro-mechanical or, by other suitable actuation means. Furthermore, actuation may be automated or semi-automated, and controlled by a computer. The adjustability of components within each module allows alignment of the components when the modules themselves are not perfectly aligned.
  • a referencing laser may be used to determine the relative positions of the modules 3 or components, and provide information to allow corrections to the position of the modules 3 or components therein.
  • the laser may be set up at either or both ends of the apparatus 1 , with the laser directed co-axially to the pipe extrusion axis.
  • witness panes in the path of the laser beam may be attached to the components and/or modules.
  • the location of the laser reflection on the panes will thus provide information on the position of the components and/or modules relative to the reference laser. It should be appreciated that other methods of alignment may be used (e.g. sight gauges).
  • the modules 3 are generally modified 20 foot or 40 foot shipping containers.
  • the sides or top of the modules may have doors to allow ventilation during pipe formation.
  • the modules may be an open frame, and the top and/or sides may simply be left open during transportation, or covered with a tarpaulin.
  • FIGS. 3 to 16 A second embodiment of the modular plastic pipe formation apparatus 101 is illustrated in FIGS. 3 to 16 .
  • Features corresponding to those presented previously discussed are similarly numbered with “100” preceding the similar feature.
  • the raw material dryer 107 is contained in a separate first module 105 .
  • the second module 106 contains the screw extruder 109 and the die head.
  • the third module 115 , fourth module 119 and fifth module 120 contain vacuum water tanks 117 and/or water cooling tanks 121 .
  • the sixth module 123 contains a water cooling tank 121 and a haul off caterpillar 125 .
  • the seventh module 127 contains a cutter 129 and a second haul off caterpillar 126 . A second haul off caterpillar assists in pulling longer pipes.
  • the modules 103 of the apparatus 101 generally comprise modified 20 foot and 40 foot containers.
  • the modules 103 are supported by external supports 151 , comprising adjustable jacks 153 supported by screw piles 155 driven into the ground.
  • the external support 151 is shown in more detail in FIG. 17 .
  • the screw pile 155 is selected from a type, size and length suitable to support the weight of the modules 103 for the underlying ground.
  • the adjustable jack 153 comprises of a top plate 157 , bottom plate 153 and adjustment bolts 161 .
  • the adjustment bolts 161 allow adjustment of the height of the supported modules 103 .
  • the top plate 157 is sufficient span to support two adjoining modules at their respective ends as illustrated in FIG. 6 . However, it is to be appreciated that additional external supports 151 may be used at locations along the intermediate length of the modules 103 as required. Furthermore the span of the top plate 157 also enables a degree of lateral displacement to enable adjacent modules 103 to be aligned.
  • the external supports 151 elevate the modules 103 above the underlying ground which assists in drainage if the apparatus 101 is located outdoors. Furthermore, the use of piles reduce the need for a flat hard surface to support the modules. Thus, less preparation is required at the pipe manufacturing site.
  • the apparatus may be set up in areas with poor ground soil quality (e.g. softer, sandy, loamy, uncompacted, etc soil or ground).
  • FIG. 18 An internal support frame 163 for supporting components within a module 103 is best illustrated in FIG. 18 .
  • the support frame 163 comprises a frame body 165 and adjustable locking mounts 168 .
  • the adjustable locking mounts 168 are mountable to the floor reinforcements 167 on the floor of the modules 103 .
  • the adjustable locking mounts 168 enable the frame to be linearly and angularly displaced as required to ensure the components in the modules 103 are aligned.
  • the modules 103 will now be described with reference to FIGS. 5 to 16 .
  • the modules are reduced to standard shipping container sizes during transportation. This may include attaching removable container doors 171 .
  • the doors 171 are typically removed before assembly of the apparatus 101 .
  • FIG. 8 illustrates a sectioned view of module 106 , as an example of an open in-use configuration of a module 103 .
  • the module 106 has a fold down side wall 173 , which folds down to rest on an external support 151 .
  • the fold down side wall 173 can then function as a floor for technicians to access the apparatus 101 .
  • the module 106 is also provided with an open top section 175 .
  • This allows components of the apparatus 101 to extend above the top section of the module 106 when configured for use. This also advantageously improves ventilation within the module.
  • a surrounding canvas awning 177 is provided above and around the open top section 175 , extending to the fold down side wall 173 . This ensures the technicians as well as the components are protected from external elements.
  • FIG. 9 illustrates an alternative awning 178 , where the awning extends outwardly from the top of the module 127 .
  • each module 103 there is provided a rubber concertina-like boot. This ensures a weather, water and dust proof seal between adjoining modules 103 .
  • the boot may be attached to each end of the module 103 by bolts.
  • the tops may be angled toward the longitudinal centre of the module, and to one side. This ensures drainage of rainfall is directed away from the boot sealing the ends of the adjacent modules 103 , thus reducing the chance of water leaking into the modules 103 .
  • the modules 103 are provided with ventilation louvers 179 to assist in ventilation of the apparatus 101 . Furthermore, air-conditioning units 181 may be provided to regulate the temperature within the apparatus 101 .
  • the vertical beams 183 and 185 at the adjoining ends may be removable. This facilitates access to the die head which is located in the region of the adjoining ends.
  • an additional vertical beam may be located at an alternative location.
  • a suitable site is first located.
  • the site may be outdoors in the open, under covered shelter, or indoors.
  • a flat ground at least the size of the apparatus is required.
  • the ground can be a hard surface, such as bitumen or concrete.
  • a screw pile and adjustable jacks may be used to support the modules. This latter approach is especially suitable for softer ground.
  • the modules, in the form of transportable containers are delivered to the site. Since the containers have features of standard 20 or 40 foot containers, existing transportation and handling equipment can be used.
  • the modules may be configured from their transportation state to a pipe production state. This may include opening and/or removing the container doors 171 , and removing any packing or protective equipment required during transportation.
  • the modules 3 are then arranged as required in the predetermined manner at the production site.
  • the modules 3 are then drawn into close proximity with each other using a winch, and then locked together.
  • two modules are first arranged in the predetermined manner (above) at the site.
  • the two modules are then drawn to close proximity using a winch, and then locked together.
  • a further module is then arranged as required in the predetermined manner.
  • the further module is then positioned in close proximity to the first two modules that have been locked.
  • the further module is then drawn towards the first two modules with a winch, and then locked. This can be repeated until all modules required have been arranged and locked as required.
  • the components supported by the modules may then be adjusted in position and aligned to each other. As described above, this may be done manually or autonomously, and may be aided with a reference laser.
  • the pipe formation apparatus can be moved to a new site. This involves decoupling the electrical connectors, water pipes and modules.
  • the modules are then configured to a transportable state, such as attaching and/or closing doors, adding packing or protective equipment, and adjusting position of components so they fit within the shipping container dimensions.
  • the modules may then be transported to the new production site, and the method of establishing a plastic pipe formation site described above is repeated.
  • the plastic pipe formation apparatus may be intermittently moved along the proposed pipeline as the pipe is laid. That is, a first mobile pipe manufacturing site is located near the start of the pipeline, and pipe is formed, transported and the pipe laid. As the front of the pipe laying site advances forward, the formed pipe needs to be transported further from the pipe manufacturing site to the pipe laying site. Thus, the time and cost of transportation of pipe increase. It may then be economical to relocate the pipe formation apparatus 1 to another site closer to the advancing pipe laying site, or even ahead of it. Alternatively, a second pipe formation apparatus can be located at the new site, with the first apparatus being readied for a third site, etc. Thus the apparatus provides a mobile pipe manufacturing site which advantageously allows pipe production to keep up with the pipe laying site.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
US13/574,537 2010-01-22 2011-01-21 Modular pipe formation apparatus Abandoned US20130032960A1 (en)

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AU2010900251A AU2010900251A0 (en) 2010-01-22 Modular pipe formation apparatus
PCT/AU2011/000066 WO2011088516A1 (en) 2010-01-22 2011-01-21 Modular pipe formation apparatus

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US11141900B2 (en) 2021-10-12
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BR112012018097A2 (pt) 2016-05-03
US20180009147A1 (en) 2018-01-11
ZA201205347B (en) 2013-03-27
AU2011207116A1 (en) 2012-08-09
CA2787679A1 (en) 2011-07-28
BR112012018097B1 (pt) 2021-03-23
EP2525959A1 (en) 2012-11-28
AU2011207116B2 (en) 2016-03-10
EP2525959B1 (en) 2016-03-30
WO2011088516A1 (en) 2011-07-28
CL2012001992A1 (es) 2013-01-11
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AU2016203820A1 (en) 2016-06-23
CA2787679C (en) 2018-05-22

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