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WO2018182434A1 - Collier pour tuyau - Google Patents

Collier pour tuyau Download PDF

Info

Publication number
WO2018182434A1
WO2018182434A1 PCT/NZ2018/050041 NZ2018050041W WO2018182434A1 WO 2018182434 A1 WO2018182434 A1 WO 2018182434A1 NZ 2018050041 W NZ2018050041 W NZ 2018050041W WO 2018182434 A1 WO2018182434 A1 WO 2018182434A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
clamp
pipe
pivot point
engage
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/NZ2018/050041
Other languages
English (en)
Other versions
WO2018182434A9 (fr
Inventor
Gordon Hugh WALLACE
Derek Mitchell
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.)
STAINLESS DESIGN Ltd
Original Assignee
STAINLESS DESIGN Ltd
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 STAINLESS DESIGN Ltd filed Critical STAINLESS DESIGN Ltd
Publication of WO2018182434A1 publication Critical patent/WO2018182434A1/fr
Publication of WO2018182434A9 publication Critical patent/WO2018182434A9/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
    • F16L3/11—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing and hanging from a pendant
    • 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
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
    • F16L3/1075—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing with two members, the two members being joined with a hinge on one side and fastened together on the other side

Definitions

  • the present invention relates to a pipe clamp.
  • the invention has particular application to the clamping and securing of pipes to be suspended from overhead structures, such as ceilings or beams. However, this is not meant to be limiting and the invention may also be used to secure pipes that are to be supported on structures arising from the substrate or the substrate itself.
  • U-clamps When paired with an opposing U-clamp, these define a space between which the pipe may be located and are bolted or otherwise secured to the load bearing elements of the ceiling. These are spaced at regular intervals along the length of the pipe being supported. Examples of such U-clamps are manufactured by the likes of Stauff Corporation (www.stauff.co.nz).
  • U-clamps for supporting a pipe
  • it needs to be supported along its length, or at least a good portion of its length during installation. This is usually achieved by resting it on lifting equipment or along the shoulders of the person (or persons) installing the pipes.
  • this can be quite uncomfortable and fatiguing for the installers as the pipe may be quite heavy.
  • the fasteners securing the components of the U-clamp together may also require multiple tools; for example, the fastener securing the U-clamp to the appropriate load bearing elements of the ceiling construction may be one size while those joining the two opposing U-clamps together may be another size.
  • a clamp for supporting a pipe wherein the clamp includes: a first arm having a first end and a second end, wherein the first end is configured to engage with a support, a second arm having a first end and a second end, characterised in that the second arm is pivotally connected to the second end of the first arm via a pivot point laterally offset from the second end of the second arm, wherein the connection is such that the second arm can move from an open position to a closed position.
  • a method of using a clamp for supporting a pipe wherein the clamp includes a first arm having a first end and a second end, wherein the first end is configured to engage with a support, a second arm having a first end and a second end, wherein the second arm is pivotally connected to the second end of the first arm via a pivot point laterally offset from the second end of the second arm, wherein the connection is such that the second arm can move from an open position to a closed position
  • the method including the steps of: securing the first end of the first arm to a support; and placing a pipe to be installed into the clamp by bearing it against the second end of the second arm thereby moving the second arm from an open position to a closed position.
  • the invention is a clamp for use in supporting pipes, such as those carrying water, in ceiling spaces of buildings. It is intended to be capable of temporarily holding the pipe even in a partially open or unsecured condition. It is also self-closing and thus easy to use and may potentially expedite the installation of pipes in ceiling spaces. Reference shall now be made throughout the remainder of the present specification to the invention as being a pipe clamp.
  • the invention may be secured to the substrate or floor, as opposed to an overhead structure such as a load bearing portion of a ceiling construction.
  • the pipe to be supported should be understood to be a pipe for conducting water through a sprinkler system, as is typically found in industrial or commercial buildings. However, this is not meant to be limiting, and the pipe clamp of the present invention may be used to support all manner of pipes found in typical buildings.
  • the invention may be used to support water supply pipes, gas pipes, or sewerage pipes.
  • the invention may be suitable to support any pipe used to transfer products of any kind. It may also be used to support conduits bearing electrical wiring or other types of equipment. Persons skilled in the art will readily appreciate other structures with which the present invention may be used.
  • the pipe clamp has first and second arms, and at least one of these arms is able to rotate relative to the other.
  • Each arm should be understood to have a C-shaped body and it will be appreciated that the inner perimeter or interior of each C-shaped body is substantially semi-circular.
  • the two arms between them define a substantially circular area into which the pipe to be supported is located. It will be appreciated that the inner perimeter of the respective arms then defines the surfaces of the pipe clamp that will at least partially come into contact with the pipe to be supported.
  • the arms are orientated such that the first end of the first arm faces the ceiling construction from which the clamp is to be suspended.
  • the second end of the first arm faces the substrate.
  • the first end of the second arm may be generally orientated to face the substrate or perhaps may be orientated somewhat at 90° from the vertical.
  • the first end of the second arm mates or otherwise engages with the first end of the first arm, thereby defining the substantially circular area for the pipe to be supported.
  • the first and second arms are connected to each other via a fastener at a connection. This connection is the pivot point. This should be understood to mean that one of the first and second arms is able to pivot or rotate relative to the other.
  • the second arm When in an open position, the second arm is effectively suspended from the second end of the arm, such that the first end of the arm faces the substrate as noted above.
  • the second arm is pivoted or otherwise swung into a closed position, such that the first ends of the respective arms mate or otherwise engage with each other.
  • the pivot point is substantially at its second end.
  • the pivot point should be understood to be laterally offset from the second end such that a portion of the second arm extends beyond the pivot point. This portion may be as much as a third of the inner profile of the second arm.
  • the fastener is a nut and bolt combination wherein a portion of the shaft of the bolt is keyed into a complementary aperture of either the first or second arm, such that one arm is allowed to rotate relative to the other arm.
  • the lower end of the second arm is configured to act as a bearing surface for the pipe to be supported during the installation process.
  • This lower end should be understood to be the portion of the second arm that extends laterally from the pivot point.
  • a portion of the first arm is laterally displaced from the plane of the body of the first arm.
  • a portion of the second arm is displaced laterally from the plane of the body of the second arm, such that as the second arm rotates relative to the first arm, the two lateral displacements abut each other, thereby limiting rotational movement.
  • each arm is formed from a metal such as stainless steel or the like.
  • the metal used to form the arms may be of a grade that is appropriate for the loading that may be applied by the weight of the pipe, product (for example, water, sewerage, gas) to be transported by the pipe and its suitable safe working allowance.
  • the metal used should also be appropriate to withstand the forces that may be experienced during earthquake events of a certain magnitude.
  • stainless steel of 316 series (or 304 series) for one exemplary embodiment of the invention.
  • this is only by way of example and is not meant to be limiting and other grades of stainless steel, and indeed other metals with suitable protective coatings, may be used bearing in mind the loadings to be applied and the environment in which it is to be used.
  • the pipe clamp of the present invention may be provided in a range of sizes, depending on the size of the pipe to be supported and the available space in the ceiling construction in which the invention is to be used.
  • the first end of the first arm is configured to engage with an elongate suspension rod depending downwards from the ceiling construction.
  • the elongate suspension rod is formed from a suitably robust material such as stainless steel or the like.
  • a portion of the first arm preferably the upper end of the arm, is configured with an aperture through which a bracket, or a portion of a bracket, may pass to secure the clamp to the ceiling construction.
  • the bracket is formed from a suitably robust material such as stainless steel or the like.
  • the bracket is formed from an elongate plate having a first and second end, with flanges extending laterally from each end of the plate. In use, one flange will abut the ceiling construction while the other flange will engage with an elongate suspension rod or the upper end of the first and/or second arms. Locking nuts or similar devices may be used to retain the bracket at the desired position along the suspension rod or first/second arms.
  • a portion of the first arm preferably the upper end of the arm, is configured with apertures through which fasteners may pass to secure the clamp to the ceiling construction.
  • the fasteners may be a nut and threaded rod combination.
  • this is not meant to be limiting and complementarily threaded nuts and bolts or the like can also be used.
  • first ends of the respective arms are configured to mate or otherwise engage with each other.
  • first end of the first arm and the first end of the second arm includes mutually cooperating flanges.
  • the flanges include an aperture through which a fastener may pass to secure the two flanges together, thereby closing the clamp.
  • the fastener is a nut and bolt combination.
  • ⁇ may be more resistant to lateral displacement and movement of pipes during earthquake events; ⁇ is able to be used with a variety of load bearing surfaces within a ceiling space, ranging from concrete slabs to I-beams;
  • the present invention provides the public with a useful choice.
  • Figure 1A is a side view of an exemplary embodiment of the present invention in an open condition
  • Figure IB is a side view of the embodiment of Figure 1A in a closed condition
  • Figure 1C is a perspective view of the embodiment of Figures 1A and IB in a closed condition
  • Figure 2A is a perspective view of the embodiment of Figures 1A to 1C in an open condition when used with a mounting bracket;
  • Figure 2B is a perspective view of the embodiment of Figures 1 A to 1C in a closed condition when used with a mounting bracket
  • Figure 3 is a perspective of another exemplary embodiment of the present invention in a closed condition
  • Figure 4A is a perspective view of another exemplary embodiment of the present invention in a closed condition
  • Figure 4B is a perspective view of the embodiment of Figure 4A in a closed condition when used with a two-part bracket assembly
  • Figure 5 is a perspective view of another exemplary embodiment of the present invention.
  • FIG. 1A to 1C One embodiment of the invention is shown in Figures 1A to 1C and it will be seen that it (generally indicated by arrow 100) is in the form of a pipe clamp.
  • the pipe clamp is constructed from two arms (Arm A and Arm B respectively), linked via a connector in the form of a bolt and nut combination (102). When assembled, these two arms co-operate to support a pipe (not shown) suspended from a ceiling construction such as a concrete slab or steel beam (not shown).
  • Arm A has a body (104) which approximates a substantially C- shaped profile. It will be appreciated that the inner surface (106) of the profile approximates a semicircle and is thus substantially complementary to around half of the circumference of the pipe to be supported. The approximate dimensions of the arms will vary depending on the size of the pipe.
  • the body (104) has a first end (108) configured with a flange (110) substantially perpendicular with the main body of the Arm A.
  • This flange is provided with an aperture (not visible) through which a suspension rod (112), which is at least partially, if not fully, threaded and secured to the ceiling construction (not shown), passes.
  • a pair of nuts (114a and 114b) positioned along the threaded portion of the suspension rod (112) can be used to define the location of the pipe clamp (100) to achieve the desired height of the pipe relative to the ceiling construction.
  • the second end (116) of Arm A is configured with a stop (118). This engages with the other Arm B as it rotates, and stops it (B) from swinging down past a certain point, as depicted in Figure 1A.
  • the second end (116) of the Arm A extends somewhat laterally to the side of the body (104) of the pipe clamp (100).
  • the nut and bolt combination (102) which defines a pivot point.
  • the placement of this pivot point extends laterally past the midline of the arm such that it is off centre from a vertical line defined by the suspension rod (112).
  • the other Arm B this too has a body (120) which approximates a substantially C-shaped profile. It will be appreciated that the inner surface (122) of the profile approximates a semi-circle and is thus substantially complementary to the other half of the circumference of the pipe to be supported.
  • the body (120) has a first end (124) configured with a flange (126a). As can be seen in Figure 1C, this flange is provided with a slot (128), substantially complementary to the diameter of the suspension rod (112).
  • this angled surface provides a bearing area that means, should the nut come loose, Arm B cannot still slide under the nut and swing downwards into the position shown in Figure 1A.
  • a portion of the second end (130) of Arm B is configured with a flange (132) which sits proud of the main plane of the body (120) of Arm B. This engages with the stop (118) of Arm A at the end of its range of movement, to stop Arm B from swinging entirely downwards beneath Arm A.
  • This portion (134) of Arm B extends laterally somewhat, such that when the stop (118) and flange (132) of the respective arms contact, it is substantially vertical, as shown in Figure 1A.
  • the portion of Arm B partially occludes the inner profile (106) of Arm A and provides a bearing surface for the pipe during installation.
  • Arm B is also provided with an aperture (136) with which seismic bracing (not shown) may be mounted for additional structural support.
  • the aperture could just as easily be provided on Arm A, either on its own or with a corresponding aperture on Arm B.
  • two or more apertures may be provided about the bodies (104, 120). The persons (not shown) installing the pipe (200) will direct it against the lower end (134) of Arm B, as shown in Figure 2A.
  • the pipe biases against the second end of Arm B, rotating it around the nut and bolt combination (102) that defines the pivot point, into a closed position, where the flanges (110, 126a) of the first ends (108, 124) of the respective arms (A, B) engage with the suspension rod (112) as shown in Figure 2B.
  • the pipe is then supported within the cavity (C) defined by the inner profiles (106, 122) of the respective arms.
  • the pipe clamp (100) is bearing the weight of the pipe (200). This makes it easier for the persons (not shown) installing the pipe as they do not have to support its weight during this process.
  • the mounting bracket (202) has a vertical element (204) with upper (206) and lower flanges (208) extending from its ends. These flanges are provided with apertures (209).
  • the mounting bracket is secured to the load bearing portion of the ceiling construction (not shown but which may be a concrete slab or the like) with an appropriately engineered bolt passing through the upper flange.
  • the cavities (210) provided in the vertical element provides sufficient clearance for a tool such as a racheting spanner (not shown) to secure the fasteners used.
  • the suspension rod (112) passes through the aperture (not visible) in the lower flange (208) of the mounting bracket (202) and is held in place through the use of nut (212). Although not visible in this view, a retaining locking nut is present on the underside of the lower flange.
  • the invention may be adapted for use with other structures that may be found in a ceiling space, such as a roofing joist.
  • a roofing joist such as a roofing joist.
  • the embodiment (300) illustrated in Figure 3 is an example of this.
  • the first end (304) of Arm A is provided with apertures (306) through which bolts or the like may pass to secure the pipe clamp (300) to the vertically orientated face of the roofing joist (not shown).
  • the waisted configuration (305) of the first end allows it to be more easily bent for use with angled purlins (not shown) if desired.
  • the mating flanges (308, 310) of Arms A and B are displaced laterally to ensure the rotational movement of arm B does not impinge of the fasteners (not shown) that may be used to secure the illustrated pipe clamp (300) to the roofing joist (not shown). It will be appreciated that this means the inner surface of the profile (106) of Arm A is greater than that (122) of Arm B.
  • Figures 4A and 4B show an embodiment (400) of the invention that is configured to be used with an I-beam (402 in Figure 4B).
  • Most of Arm A, as well as Arm B are the same as the embodiment described in respect of Figure 3.
  • the first end (404) of Arm A is provided with an inverted T-shaped slot (406), which can be readily seen in Figure 4A.
  • This slot is intended to be used with a two-part bracket assembly (408) which cooperates with each other to engage with the lower edges of the I-beam as shown in Figure 4B.
  • the two-part bracket assembly (408) includes an elongate plate (410), with one end (412) curled over to define a recess for an edge (414) of the I-beam (402).
  • the other end (416) of the plate passes through the slot (406) of the first end of Arm A.
  • a clip (418) is then inserted through the slot (the elongate plate includes series of cut-outs (420) to lock the clip at specific lengths to prevent disengagement from the I- beam) and secured with a nut and bolt combination (422).
  • One end of the clip (424) is angled such that a recess is defined between it and the underlying elongate plate (410). This recess is to engage with the opposing edge (426) of the I-beam (402). This then allows a pipe (428) to be supported by the I-beam without resorting to the use of drilling bolt holes or the like into what is likely to be a load bearing structure. In some instances, it may be appropriate to extend the contact surfaces of the pipe clamp or provide them with a coating or similar surface. This helps with protecting the outer circumference of the pipe being supported.
  • An example of one suitably configured pipe clamp (500) is shown in Figure 5. As will be appreciated, this is substantially identical to the embodiment of Figures 1A to 1C so uses like numbers where appropriate.
  • the bodies (104, 120) of Arms A and B respectively are provided with a flange (502, 504) that effectively extends the inner circumference (106, 122), of the contact surfaces of the pipe clamp (100).
  • the flange is integral with the respective bodies of Arms A and B but could be a separate component added via welding or another technique. This flange increases the contact surfaces along the axis of the pipe to be supported (not shown).
  • an insert of rubber or similar plastics material may be provided to serve as a coating for the inner circumference (106, 122) of the contact surfaces of the pipe clamp (500).
  • This insert may be relatively low profile and thus, in contrast to the flange (502, 504) does not extend significantly along the axis of the supported pipe (not shown).
  • the insert serves to isolate the pipe clamp from the pipe being supported, not just electrically but also from small incidental vibrations that may occur, for example, from water hammer.
  • Arm B is provided with an aperture (136) that engages with seismic bracing, such as a rod or cable. This helps provide some lateral support, should there be a degree of sideways movement, for example as a result of earthquake tremors.
  • the invention may also be said broadly to consist in the parts, elements and features referred to or indicated in the specification of the application, individually or collectively, in any or all combinations of two or more of said parts, elements or features.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

La présente invention concerne un collier qui est destiné à être utilisé pour supporter des tuyaux, tels que les conduites d'eau, dans des espaces de plafond de bâtiments permettant de maintenir temporairement le tuyau même dans un état partiellement ouvert ou non fixé, et est à fermeture automatique pour accélérer l'installation de tuyaux dans des espaces de plafond ; le collier comprend un premier bras dont une extrémité est conçue pour venir en prise avec un support, un second bras qui est relié pivotant au premier bras par l'intermédiaire d'un point de pivotement latéral de telle sorte que le bras s'étend au-delà du pivot, de sorte que pendant l'installation lorsque le collier est ouvert, la partie étendue du bras constitue une surface d'appui pour le tuyau qui fait basculer le bras dans une position fermée.
PCT/NZ2018/050041 2017-03-31 2018-03-29 Collier pour tuyau Ceased WO2018182434A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ73061717 2017-03-31
NZ730617 2017-03-31

Publications (2)

Publication Number Publication Date
WO2018182434A1 true WO2018182434A1 (fr) 2018-10-04
WO2018182434A9 WO2018182434A9 (fr) 2019-04-25

Family

ID=63676438

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2018/050041 Ceased WO2018182434A1 (fr) 2017-03-31 2018-03-29 Collier pour tuyau

Country Status (2)

Country Link
AU (1) AU2018202242A1 (fr)
WO (1) WO2018182434A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021069871A1 (fr) * 2019-10-09 2021-04-15 Jcco 330 Limited Supports de câbles ou de tuyaux

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5188317A (en) * 1991-12-06 1993-02-23 Roth Steven A Seismic connector with retaining clip
EP0897079A1 (fr) * 1997-08-11 1999-02-17 Fischerwerke Arthur Fischer GmbH & Co. KG Collier de serrage pour tuyaux
JPH11173462A (ja) * 1997-12-10 1999-06-29 Nichiei Intekku Kk 配管吊バンド
US20140367527A1 (en) * 2013-06-13 2014-12-18 Erico International Corporation Drop in loop hanger
US20150176726A1 (en) * 2012-08-02 2015-06-25 Gripple Limited Hanger for an elongate article

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5188317A (en) * 1991-12-06 1993-02-23 Roth Steven A Seismic connector with retaining clip
EP0897079A1 (fr) * 1997-08-11 1999-02-17 Fischerwerke Arthur Fischer GmbH & Co. KG Collier de serrage pour tuyaux
JPH11173462A (ja) * 1997-12-10 1999-06-29 Nichiei Intekku Kk 配管吊バンド
US20150176726A1 (en) * 2012-08-02 2015-06-25 Gripple Limited Hanger for an elongate article
US20140367527A1 (en) * 2013-06-13 2014-12-18 Erico International Corporation Drop in loop hanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021069871A1 (fr) * 2019-10-09 2021-04-15 Jcco 330 Limited Supports de câbles ou de tuyaux

Also Published As

Publication number Publication date
WO2018182434A9 (fr) 2019-04-25
AU2018202242A1 (en) 2018-10-18

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