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WO2017116322A1 - Système et procédé de formation de tubes profilés continus - Google Patents

Système et procédé de formation de tubes profilés continus Download PDF

Info

Publication number
WO2017116322A1
WO2017116322A1 PCT/TR2015/050279 TR2015050279W WO2017116322A1 WO 2017116322 A1 WO2017116322 A1 WO 2017116322A1 TR 2015050279 W TR2015050279 W TR 2015050279W WO 2017116322 A1 WO2017116322 A1 WO 2017116322A1
Authority
WO
WIPO (PCT)
Prior art keywords
strip
edge
layer
distancing
forming
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.)
Ceased
Application number
PCT/TR2015/050279
Other languages
English (en)
Inventor
Zafer Gemici
Tamer Birtane
Saim KENDIISLER
Umit GÜLER
Ismail Teke
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.)
MIR ARASTIRMA VE GELISTIRME AS
Original Assignee
MIR ARASTIRMA VE GELISTIRME AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MIR ARASTIRMA VE GELISTIRME AS filed Critical MIR ARASTIRMA VE GELISTIRME AS
Priority to PCT/TR2015/050279 priority Critical patent/WO2017116322A1/fr
Priority to TR2018/14142A priority patent/TR201814142T1/tr
Publication of WO2017116322A1 publication Critical patent/WO2017116322A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/78—Winding and joining, e.g. winding spirally helically using profiled sheets or strips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L7/00—Supporting pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies

Definitions

  • the present invention relates to a profiled tube with secured distance between layers, and production method thereof.
  • Modular tubes formed by winding are generally used in infrastructure applications such as drainage lines, sewer lines, rainwater piping systems, as well as at hydroelectric power plant conduits, disposal lines for industrial and domestic wastewater.
  • Related piping systems require high dimensions in terms of diameter and length of the conduits. Transportation of such high dimension pipes is highly difficult and expensive, and therefore conduit suppliers are pushed to manufacture the pipes on-site where the pipes are to be installed.
  • US 3 606 670 and US 4 209 043 describe production methods for forming spiral wound synthetic pipes.
  • Primary object of the present invention is to eliminate the above-mentioned shortcomings in the prior art.
  • a further object of the present invention is to provide a distancing strip for profiled multilayered tubes having a secured distance between its layers, and a profiled tube produced in an easy, economic and flexible manner.
  • a further object of the present invention is to provide a system and method for continuous production of such profiled tube.
  • the present invention proposes a profiled tube comprising a first layer made of a helically wound first strip and a second layer made of a helically wound second strip, the second layer having an inner diameter greater than the outer diameter of the first layer, wherein the first layer and the second layer are distanced by a distancing strip having a first edge connected to the first layer and a second edge connected to the second layer.
  • the present invention further proposes a distancing strip to be employed in such profiled tube; and also a system method for continuous production of such profiled tube.
  • Figure 1 represents a top-view of a system for continuous forming of profiled tubes from strips, according to the present invention.
  • Figure 2 shows (a) an exemplary perspective view of a profiled tube according to the present invention, wherein its layers are partly removed for better understanding; and (b) detailed views of assembly connections therein.
  • Figure 3 shows (a) an exemplary longitudinal cross section of layers constituting a profiled tube according to the present invention, (b) detailed views of assembly connections therein, and (c) an exemplary lateral section of a segment of a strip according to the present invention.
  • Figure 4 shows (a) exemplary perspective views of a first layer of a profiled tube according to the present invention, with detailed views thereof; and (b) exemplary perspective views of a second layer of a profiled tube according to the present invention, with detailed views thereof.
  • Figure 5 shows an exemplary perspective view of a wound distancing strip of a profiled tube according to the present invention (for better understanding, the first and second layers are not shown), with a detailed view thereof. Detailed Description of the Invention
  • the present invention proposes a system for continuous forming of profiled tubes from strips.
  • An exemplary top view of the system is provided in Fig.l.
  • the system (1000) comprises:
  • a first strip feeding unit (1002) configured for helically winding of a first strip (100) around the base (1001) thus forming a first layer (104) such that, in operation, a first edge (101) of the first strip (100) is overlapped by a second edge (102) of the first strip (100) in successive winding, and such that one side of the first strip (100) mainly forms an outer surface (105) of the first layer (104); and preferably a first adhering unit (1003) for adhering overlapping edges of the first strip (100),
  • a distancing strip feeding unit (1004) configured for helically winding of a distancing strip (110) by, in operation, connecting a first edge (111) of the distancing strip (110) onto the side of the first strip (100) mainly forming the outer surface (105) of the first layer (104); and preferably a further adhering unit (1005) configured for adhering the first edge (111) onto said side of the first strip (100), - a second strip feeding unit (1006) configured for helically winding of a second strip (120) around the first layer (104) thus forming a second layer (124) having an inner surface (125) facing the outer surface (105) of the first layer (104) , by, in operation, connecting a side of the second strip (120) mainly forming the inner surface (125) of the second layer (124) onto a second edge (112) of the distancing strip (110); and preferably an adhering unit (1007) configured for adhering the second edge onto said side of the second strip (120);
  • the system provides ability to continuously form profiled tubes from strips on-site, even by forming large-dimension pipes having diameters with order of magnitude of meter.
  • the system and materials can be loaded on a vehicle and brought to a site where the tube is needed, and production can be performed notwithstanding the desired length and diameter of the tube.
  • the present invention further proposes a profiled tube comprising a first layer (104) made of a helically wound first strip (100) and a second layer (124) made of a helically wound second strip (120).
  • the second layer (124) has an inner diameter greater than the outer diameter of the first layer (104), wherein the first layer (104) and the second layer (124) are distanced by a distancing strip (110).
  • a first edge (111) of the distancing strip (110) is connected to the first layer (104) and the second edge (112) of the distancing strip (110) is connected to the second layer (124).
  • a side of the first strip (100) forming an outer surface (105) of the first layer (104) comprises a groove (106) receiving the first edge (111), and a side of the second strip (120) forming an inner surface (125) of the second layer (124) comprises a groove (107) receiving the second edge (112).
  • first strip (100) and/or the second strip (120) comprise a longitudinal rib (135) on a first edge (101, 122) thereof and a complementary longitudinal groove (136) on a second edge receiving such rib (135) of a subsequent strip winding of the same layer (104, 124).
  • the present invention further proposes a method for continuous production of a profiled tube.
  • the method comprises the following subsequent steps: i. helically winding of a first strip (100) having a first edge (101) and a second edge (102), around a mainly cylindrical rotary base (1001) which is preferably with a mainly horizontal axis, thus forming a first layer (104) of tube and such that a side of the first strip (100) mainly forms an outer surface (105) of the first layer (104), wherein the first edge (101) of a winding and the second edge (102) of a subsequent winding on the first layer (104) are overlapped and preferably adhered;
  • a further strip (a distancing strip) (110) having a longitudinally continuous first edge (111) and a longitudinally discontinuous second edge (112), onto outer surface (105) of the first layer (104), the distancing strip (110) further comprising intermittent cuts (119) reaching from the second edge (112) towards the vicinity of the first edge (111), such that the distancing strip (110) comprises a series of segments (118) each being conjunct to adjacent segments (118) at the first edge (111); wherein only the first edge (111) of the distancing strip (110) is connected and preferably adhered onto a side of the first strip (100) mainly forming the outer surface (105) of the first layer (104), such that the second edge (112) of the distancing strip (110) remains separate from the outer surface (105) of the first layer (104);
  • helically winding of a second strip (120) by overlapping the first edge (121) of a winding and the second edge (122) of a subsequent winding thereof, and by connecting the second strip (120) with the second edge (112) of the distancing strip (110), thus forming a second layer (124) of tube, such that a distance (D) mainly corresponding to a width (W) between the first edge
  • the adhering can be performed by feeding an adhesive (e.g. a polymeric material) to a connection zone to be adhered, preferably heating the zone (e.g. to a melting temperature of the polymeric material) preferably by blowing hot air, and connecting a suitable part of a corresponding strip thereto.
  • an adhesive e.g. a polymeric material
  • the zone e.g. to a melting temperature of the polymeric material
  • blowing hot air e.g. to a melting temperature of the polymeric material
  • connecting a suitable part of a corresponding strip thereto preferably, all of the strips (100, 110, 120) constituting the multilayer tube as well as the adhesive comprise the same polymer.
  • snap-fitting and adhering take place together, and a more reliable connection can thus be secured.
  • the first strip (100) or the second strip (120) comprises a longitudinal rib (135) on an edge (101, 122) thereof and a complementary longitudinal groove (136) on another edge (102, 121) receive such rib at a subsequent strip winding.
  • a side of the first strip (100) forming the outer surface (105) of the first layer (104) comprises a groove (106) receiving the first edge (111), and a surface of the second strip (130) forming the inner surface (125) of the second layer (124) comprises a groove (107) receiving the second edge (122).
  • the thickness of the distancing strip (110) is higher at the vicinity of the first edge (111) and second edge (112) (thus providing a high thickness edge portion as shown e.g. in Fig. 3(a)), and a side of the first strip (110) forming the outer surface (105) of the first layer (104) and a side of the second strip (120) forming the inner surface (125) of the second layer (124) both comprise grooves (106, 107, respectively) receiving corresponding edges (111, 112, respectively) of the distancing strip (110) in a snap-fit manner (not shown).
  • the distance between distal ends of a groove (106, 107) with respect to a side of a corresponding first strip (100) or second strip (120) can be narrower than said high thickness edge portion of the distancing strip (110).
  • a distal end (1066) of a groove (106, 107) can be inclined towards a central axis of the groove (e.g. as shown in Fig. 3(a) Detail B); such that the high thickness edge portion (111) of the distancing strip (110) gets snagged when pulled away from the corresponding groove (106, 107).
  • the first layer (104) and second layer (124) are formed using identical strips, i.e.
  • the first strip (100) and second strip (120) are identical in context of form and material.
  • the grooves (106, 107) of first and second strips should be aligned and face each other, and the first edge (111) and second edge (112) of the distancing strip (110) are placed into corresponding grooves (107 and 106, respectively), preferably also by adhering and/or in a snap-fit manner.
  • This alignment can be done by arranging a spool bearing the first strip and a spool bearing the second strip in a reversed manner with respect to each other.
  • the present invention further proposes a strip for employing as a distancing strip (110) for securing a distance between such first layer (104) and second layer (124).
  • the distancing strip (110) has two sides, a longitudinally continuous first edge (111) and a longitudinally discontinuous second edge (112), and intermittent cuts (119) reaching from the second edge (122) towards the vicinity of the first edge (111), such that the distancing strip (110) comprises a series of segments (118) each being conjunct to adjacent segments (118) at the first edge (111).
  • one or more segment(s) (118) comprise a ridge (117) on a side and preferably also a corresponding cavity (116) on the other side, such that the ridge (117) and preferably also the cavity (116) are discontinuous in a longitudinal direction (LI) of the distancing strip (110) and thus both sides are uneven said longitudinal direction (LI). More preferably, the ridge (117) and preferably also the cavity (116) are discontinuous in a lateral direction (L2) of the strip (110), thus surface planarity of at least one side is disturbed from the first edge (111) to the second edge (112). This provides rigidity to the distancing strip due to a rugged structure. Thus, distance between two layers of a profiled tube, distance of which is secured using such distancing strip (110), can be better maintained under influence of radial forces.
  • the ridges (117) on consecutive segments (118) are formed on alternating sides of the distancing strip (110), as shown in Fig. 3(b).
  • This provides higher rigidity and stability to the distancing strip (110) when two edges thereof (111, 112) are forced towards each other.
  • the thickness of the strip is preferably higher at the vicinity of least one of the first edge (111) or second edge (112). This provides snap-on type securing of the edges (111, 112) on a suitable groove (107, 106) by assembly of a multilayer tube according to the present invention.
  • a distancing strip for profiled tubes having a secured distance between its layers, and a profiled tube produced in an easy, economic and flexible manner, is provided,

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

La présente invention concerne un tube profilé comprenant une première couche (104) constituée d'une première bande enroulée de manière hélicoïdale (100) et une seconde couche (124) constituée d'une seconde bande enroulée de manière hélicoïdale (120), la seconde couche (124) ayant un diamètre intérieur supérieur au diamètre extérieur de la première couche (104), la première couche (104) et la seconde couche (124) étant éloignées par une bande d'écartement (110) ayant un premier bord (111) relié à la première couche (104) et un second bord (112) relié à la seconde couche (124). La présente invention concerne également une bande d'écartement (110) à employer dans un tel tube profilé; ainsi qu'un système et un procédé de production en continu de tels tubes profilés.
PCT/TR2015/050279 2015-12-28 2015-12-28 Système et procédé de formation de tubes profilés continus Ceased WO2017116322A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/TR2015/050279 WO2017116322A1 (fr) 2015-12-28 2015-12-28 Système et procédé de formation de tubes profilés continus
TR2018/14142A TR201814142T1 (tr) 2015-12-28 2016-12-28 Kesintisiz profilli borular oluşturmaya yönelik sistem ve yöntem.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2015/050279 WO2017116322A1 (fr) 2015-12-28 2015-12-28 Système et procédé de formation de tubes profilés continus

Publications (1)

Publication Number Publication Date
WO2017116322A1 true WO2017116322A1 (fr) 2017-07-06

Family

ID=55410163

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2015/050279 Ceased WO2017116322A1 (fr) 2015-12-28 2015-12-28 Système et procédé de formation de tubes profilés continus

Country Status (2)

Country Link
TR (1) TR201814142T1 (fr)
WO (1) WO2017116322A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107631105A (zh) * 2017-09-15 2018-01-26 四川师范大学 液化页岩气‑液氮‑超导电缆复合能源管道设计方法
CN107631104A (zh) * 2017-09-15 2018-01-26 四川师范大学 液化页岩气‑液氮‑超导直流电缆复合能源管道设计方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1308575A (fr) * 1961-06-03 1962-11-09 Tubes, tuyaux et plaques à double paroi en matière synthétique, et procédé de fabrication
US3606670A (en) 1967-10-02 1971-09-21 Dynamit Nobel Ag Method for forming spiral wound synthetic pipes
US4209043A (en) 1977-10-18 1980-06-24 Rib Loc (Hong Kong) Ltd. Plastic tubular objects
EP1231423A1 (fr) * 2001-02-13 2002-08-14 Eurotecnica Development & Licensing S.p.A. Tuyau renforcé à parois multiples et procédé pour sa fabrication
FR2871215A1 (fr) * 2004-06-04 2005-12-09 Epsilon Composite Sarl Sarl Procede de fabrication d'un tube en materiau composite de grande raideur, et tube obtenu

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1308575A (fr) * 1961-06-03 1962-11-09 Tubes, tuyaux et plaques à double paroi en matière synthétique, et procédé de fabrication
US3606670A (en) 1967-10-02 1971-09-21 Dynamit Nobel Ag Method for forming spiral wound synthetic pipes
US4209043A (en) 1977-10-18 1980-06-24 Rib Loc (Hong Kong) Ltd. Plastic tubular objects
EP1231423A1 (fr) * 2001-02-13 2002-08-14 Eurotecnica Development & Licensing S.p.A. Tuyau renforcé à parois multiples et procédé pour sa fabrication
FR2871215A1 (fr) * 2004-06-04 2005-12-09 Epsilon Composite Sarl Sarl Procede de fabrication d'un tube en materiau composite de grande raideur, et tube obtenu

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107631105A (zh) * 2017-09-15 2018-01-26 四川师范大学 液化页岩气‑液氮‑超导电缆复合能源管道设计方法
CN107631104A (zh) * 2017-09-15 2018-01-26 四川师范大学 液化页岩气‑液氮‑超导直流电缆复合能源管道设计方法
CN107631104B (zh) * 2017-09-15 2019-01-22 四川师范大学 液化页岩气-液氮-超导直流电缆复合能源管道设计方法
CN107631105B (zh) * 2017-09-15 2019-01-22 四川师范大学 液化页岩气-液氮-超导直流电缆复合能源管道设计方法

Also Published As

Publication number Publication date
TR201814142T1 (tr) 2018-11-21

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