WO2007064955A2 - Bride pour objets circulaires - Google Patents

Bride pour objets circulaires Download PDF

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Publication number
WO2007064955A2
WO2007064955A2 PCT/US2006/046124 US2006046124W WO2007064955A2 WO 2007064955 A2 WO2007064955 A2 WO 2007064955A2 US 2006046124 W US2006046124 W US 2006046124W WO 2007064955 A2 WO2007064955 A2 WO 2007064955A2
Authority
WO
WIPO (PCT)
Prior art keywords
clamp
portions
circular
bar portion
section
Prior art date
Application number
PCT/US2006/046124
Other languages
English (en)
Other versions
WO2007064955A3 (fr
Inventor
Eric J. Wilson
Michael H.-S. Oh
Raymond S. Laughlin
Raymond M. Olle
Original Assignee
Erico International Corporation
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 Erico International Corporation filed Critical Erico International Corporation
Publication of WO2007064955A2 publication Critical patent/WO2007064955A2/fr
Publication of WO2007064955A3 publication Critical patent/WO2007064955A3/fr

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 or more members engaging the pipe, cable or protective tubing
    • F16L3/1083—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 or more members engaging the pipe, cable or protective tubing with two members, the two members being hooked in on one side and fastened together on the other side
    • 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 or more members engaging the pipe, cable or protective tubing
    • F16L3/1008—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 or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, both being made of thin band material completely surrounding the pipe
    • F16L3/1016—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 or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, both being made of thin band material completely surrounding the pipe the members being joined by means of two screws
    • 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 or more members engaging the pipe, cable or protective tubing
    • F16L3/1033—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 or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, the two members being joined only on one side of the pipe
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/36—Button with fastener
    • Y10T24/3617—Hinged leaf
    • Y10T24/3623—Sliding

Definitions

  • This invention relates generally as indicated to clamps for circular objects such as pipes or conduits.
  • Clamps for holding circular objects such as pipes or conduit are commonly used in a wide variety of circumstances, such as to secure the objects to structure, to secure other objects or fixtures to the circular objects, or to otherwise limit movement of the circular objects.
  • a clamp used for holding circular objects is a riser clamp, used to secure vertical pipe runs, such as in a plumbing stack.
  • a stack is a vertical run of pipe through a building, used for example to vent plumbing drain lines.
  • the vertical run may be several stories high, passing through circular floor openings that are greater in diameter than the diameter of the pipe run.
  • FIG. 1 An example prior art riser clamp 1 is shown in Fig. 1.
  • the riser clamp 1 has a pair of bar portions 2 of rectangular cross-section bar each having a pair of straight ends 3 with a circular portion 4 between the straight ends 3.
  • the bar portions 2 are clamped onto a pipe or conduit 5, with opposite sides of the pipe 5 engaged by surfaces of the circular portions 4.
  • the bar portions 2 are secured onto the pipe 5 by a pair of bolts 6 that pass through holes 7 in the straight ends 3 on either side of the circular portions 4, and nuts 8 that threadedly engage the bolts 6.
  • the nuts 8 are tightened to clamp the pipe 5 securely between the circular portions 4.
  • the circular portions 4 are configured so that the straight ends 3 of the portions 2 do not come into contact when the riser clamp 1 is installed, but rather there is a spacing between the straight ends 3 of one of the bar portions and the corresponding straight ends 3 of the other bar portion.
  • a riser clamp such as the riser claim 1 is secured to a vertical run of piping just above a circular floor opening though which the pipe run passes.
  • the riser clamp 1 ordinarily rests on the floor, with the straight ends 3 being long enough to extend beyond the circular floor opening.
  • one function of the riser clamp 1 is to prevent vertical movement of the pipe, since the riser clamp 1 is too large to fit through the circular floor opening.
  • the riser clamp 1 prevents torquing or tilting of the pipe run.
  • the spacing between the corresponding straight ends 3 of the portions 2 provides a stable base that resists twisting or torquing of the pipe that would otherwise result in tipping of the clamp 1 over an edge of the straight ends 3 of one of the portions 2.
  • having the corresponding straight ends 3 of the portions 2 separated from each other provides a base that engages the floor around the circular floor opening to prevent undesirable twisting, tilting, and/or torquing of the pipe run.
  • the riser clamp 1 involves a large number (six) of separate parts, and two different threading operations.
  • some care must be taken to provide at least rough symmetry between the tightening of the nuts 7 on opposite sides of the pipe 5, to have proper installation of the riser clamp 1.
  • a clamp for holding circular objects includes a bar portion having slots, and a sickle-shape rod portion that is secured within the slots to secure a circular object within a space between the bar portion and the rod portion.
  • a clamp includes: a first portion having a pair of slots therein; a second portion having a bent end and a threaded end, wherein the bent end is in one of the slots and the threaded end is in the other of the slots, and wherein the first portion and the second portion define a space therebetween for securing an object; and a nut threadedly engaging the threaded end to secure the first portion and the second portion together.
  • a method of clamping an object includes the steps of: placing a bent end of a rod portion through a first slot of a bar portion; turning the rod portion to enclose the object between the bar portion and the rod portion, and to place a threaded end of the rod portion through a second slot of the bar portion; and securing the portions together by tightening a nut along the threaded end, against the bar portion.
  • a clamp includes a pair of portions having respective central circular sections that define a round space therebetween for receiving a circular object.
  • the portions mechanically interlock together on one side of the round space.
  • the portions are threadedly coupled together on an opposite side of the round space.
  • FIG. 1 is a plan view of a prior art riser clamp secured to a pipe run
  • FIG. 2 is a plan view of a clamp in accordance with the present invention.
  • FIG. 3 is an exploded view of the clamp of Fig. 1 ;
  • Fig. 4 is an oblique view of a bar portion of the clamp of Fig. 1 ;
  • Fig. 5 is an oblique view of the rod portion of the claim of Fig. 1 ;
  • Fig. 6 is a first cross-section configuration for the bar portion of Fig. 4;
  • Fig. 7 is a second cross-section configuration for the bar portion of Fig. 4;
  • Fig. 8 is a third cross-section configuration for the bar portion of Fig. 4;
  • Fig. 9 is a fourth cross-section configuration for the bar portion of Fig. 4.
  • Fig. 10 is a fifth cross-section configuration for the bar portion of Fig. 4.
  • Fig. 11 is a sixth cross-section configuration for the bar portion of Fig. 4;
  • Fig. 12 is a side view of an alternate embodiment clamp in accordance with the present invention.
  • Fig. 13 is an end view of the clamp of Fig. 12;
  • Fig. 14 is an oblique view of another alternate embodiment clamp in accordance with the present invention.
  • Fig. 15 is a plan view of the clamp of Fig. 14.
  • a clamp for holding circular objects includes a falcate or sickle-shape rod portion that engages slots in a bar portion.
  • the rod portion has a circular central section that is between a bent end for engaging one of the slots, and a threaded end for engaging the other of the slots.
  • the circular section may have a cylindrical section inner surface for engaging the circular object.
  • the cylindrical section inner surface may be textured to improve its grip on the circular object.
  • the bar portion also has a circular central portion, for engaging the opposite side of the circular object from that engaged by the inner surface of the rod portion circular central section.
  • the slots in the bar portion are at radius bends at opposite ends of the bar portion circular section, where the bar portion bends back outward into straight extensions that may be co-linear, extending away from the circular section in opposite directions.
  • the straight extensions have bent ends, bent in opposite directions from one another, to provide increased stability for the clamp, for example as the bent ends and outer portion of the straight extensions rest on a floor surface around a circular opening.
  • the clamp is installed on a circular object by placing the circular section of the bar portion against the circular object, hooking the bent end of the rod portion into one of the slots, inserting the threaded end of the rod portion through the other slot, and tightening a nut on the threaded end to secure the clamp to the circular object.
  • a clamp 10 includes a bar portion 12 and a falcate or sickle-shape rod portion 14 for securing between them a circular object 16, such as a pipe or conduit.
  • the circular object 16 is secured in a round space 18 between the bar portion 12 and the rod portion 14.
  • the bar portion 12 includes a central circular section 20 having radiused bends 22 and 24, opposite in direction from the circular section 20, bending back to straight extensions 26 and 28 extending away from the circular section 20.
  • the circular section 20 has an inner surface 30 configured to contact the object 16 when the clamp 10 is installed.
  • the extensions 26 and 28 may be substantially in line with one another, and may be configured to extend outward away from the circular object 16 in opposite, radial and diametrically opposed, directions. With this configuration, the circular section 20 may be substantially a semi-circle. Alternatively, the extensions 26 and 28 may have other configurations, such as being angled at a nonzero angle relative to one another.
  • the extensions 26 and 28 have respective bent ends 32 and 34 at their distal ends, away from the circular section 20.
  • the bent ends 32 and 34 may be bent at right angles relative to the extensions 26 and 28.
  • the bends 32 and 34 may be in opposite directions relative to one another.
  • the bends 32 and 34 aid in maintaining stability of the clamp 10 when the clamp 10 is used to secure a vertical stack above a floor opening.
  • the bends 32 and 34 increase the effective width of the clamp 10 so as to better resist tilting, torquing, or twisting of the pipe, in a manner analogous to the above-described spacing between corresponding straight ends 3 of the prior art clamp 1 (Fig. 1).
  • the bar portion 12 has a pair of slots 36 and 38 for receiving and securing ends of the rod portion, as described further below.
  • the slots 36 and 38 are located at the middle of the height of the bar portion 12.
  • the slots 36 and 38 are elongate slots, having a greater extent along the length of the bar portion 12 than along the height of the bar portion 12.
  • the slots 36 and 38 may be substantially centered about the radiused bends 22 and 24.
  • the slots 36 and 38 may extend fully across the radiused bends 22 and 24, with ends 42 and 44 of the slots 36 and 38 extending into the central circular section 20, and opposite ends 46 and 48 of the slots 36 and 38 extending into the respective straight extensions 26 and 28.
  • the slots 36 and 38 may be substantially identical to one another in shape and relative location. It will be appreciated that many alternative configurations for the slots 36 and 38 are possible.
  • the bar portion 12 may be made out of a variety of suitable materials, including suitable metals.
  • the bar portion 12 may be made out of cast iron or steel.
  • the rod portion 14 has a sickle shape, with central curved object-engaging section 60.
  • the curved section 60 may be a substantially circular section that curves inward toward a securing area 62, which is part of the round space 18 when the clamp 10 is assembled.
  • An inner surface 64 bears against and engages the object 16 held by the clamp 10.
  • the inner surface 64 may be a substantially cylindrical section surface, which may be machined from round stock used to make the rod portion 14. Making the inner surface 64 a cylindrical section allows more area to engage the object 16, improving the grip on the object 16.
  • the inner surface 64 may have a circumferential extent of about 120 degrees, although the angular portion with the inner surface 64 may be greater or lesser in extent. Alternatively the inner surface 64 may be rounded or sharp, if desired.
  • the inner surface 64 may be patterned or textured to improve its grip for example having a stamped Crosshatch pattern 66 on the inner surface 64. It will be appreciated that a wide variety of patterns may be used to improve the gripping of the inner surface 64, including various protrusions and/or depressions formed by stamping or other suitable properties.
  • the inner surface 30 of the bar portion 12 (Fig. 2) may also be patterned to improve gripping.
  • a straight extension 68 extends tangentially away from the curved section 60 at one end of the curved section 60.
  • the extension 68 has a threaded end 70, configured to mate with a nut 72.
  • an L-shape bent end 74 having a pair of straight legs 76 and 78, with a radiused bend 82 between the legs 76 and 78.
  • the leg 76 extends from the curved section 60, and the leg 78 is a free end of the rod portion 14.
  • the legs 76 and 78 may have a right-angle bend between them, although it will be appreciated that bends of greater or lesser extent may alternatively be used, making the angle between the legs 76 and 78 either obtuse or acute.
  • the leg 78 is an unthreaded rod portion.
  • the rod portion 14 is configured so that it can be secured to the bar portion 12 by passing parts of the straight extension 68 and the bent end 74 into the slots 36 and 38.
  • the straight extension 68 and the bent end 74 are separated by a distance corresponding to the distance between the slots 36 and 38, with the end leg 78 of the bent end 74 being sufficiently long so that the bent end 74 does not pull out of its slot when the extension 68 is inserted in its slot, and the nut 72 is tightened along the threaded end 70.
  • the end leg 78 may have a length greater than the length of the slots 36 and 38.
  • the rod portion 14 may be formed from suitable round steel stock, bent and machined to form its shape and structures.
  • the rod portion 14 may be made from other sorts of suitable stock, such as square cross-section bar stock.
  • suitable stock such as square cross-section bar stock.
  • the rod portion 14 is rotated, pivoting at approximately the radiused bend 82, until part of the threaded end 70 protrudes through the other slot, the slot 38, and until the inner gripping surface 64 is in contact with or close to the object 16. This may bring the leg 78 into contact with material of the bar portion 12 along a radial outboard side of the slot 36.
  • the nut 72 is then threaded onto the threaded end 70, and tightened until the nut 72 is secure against parts of the bar potion 12 that are around the slot 38.
  • the nut 72 may be a shear nut that has a hex portion 84 and a narrowed circular smooth portion 86.
  • the hex portion 84 shears off at a predetermined torque, leaving behind the circular portion 86. This prevents overtightening and/or subsequent removal of the nut 72. Also, the narrower smooth portion 86 threads further onto the threaded end 70, making a more compact engagement with the bar portion 12. Further, the smooth portion 86 has no comers that scratch or otherwise mar the bar portion 12, and the smooth portion 86 provides an offset between the hex portion 84 and the bar portion 12, making engagement of the faces of the hex portion 84 easier.
  • the nut 72 may be a conventional hex nut.
  • the installed clamp 10 is retained in place by the nut 72, and by the cooperation of the bar portion 12 and the rod portion 14.
  • the nut 72 prevents removal of the straight extension 68 from the slot 38.
  • the extension of the leg 78 beyond the outboard edge of the slot 36 prevents the bent end 74 from being disengaged from the slot 36 by moving the bent end 78 in a circumferential direction.
  • the presence of the object 16 prevents disengagement of the bent end 74 from the slot 36 by movement of the bend end 74 in a radially inward direction (toward the center of the object 16).
  • the portions 12 and 14 are maintained mechanically interlocked on one side of the object 16, and threadedly coupled on an opposite side of the object 16.
  • the clamp 10 advantageously reduces the number of parts, weight, cost, and installation time, all in comparison with prior art clamps such as the clamp 1 (Fig. 1). Installation involves a single threading operation, without the concern for maintaining balance in a pair of threading operations on opposite sides of an object to be clamped.
  • the clamp 10 has been described above for securing an object 16 having a circular cross-section. It will be appreciated that the clamp 10 may also be used to secure non-circular objects.
  • the bar portion 12 described above has a rectangular cross-section. It will be appreciated that the bar portion 12 may have other cross-section shapes, which may increase strength, may allow for reduction of material thickness and weight, and/or may improve the gripping between the bar portion 12 and the object 16.
  • Figs. 6-11 show a few of the many possible alternative cross-section shapes for the bar portion 12.
  • Fig. 6 shows a rectangular cross-section 90, which engages the object 16 (Fig. 2) along a major surface 92.
  • Fig. 7 shows a C-shape cross-section 94, which engages the object 16 at a pair of tips 96 and 97 at ends of the C shape.
  • Fig. 8 shows a rectangular channel shape 98, which engages at top and bottom tips 99 and 100.
  • FIG. 9 shows a modified version of the channel shape 98, a channel shape 98' have an additional central bend 101.
  • Fig. 10 shows a curved shape 102 having object-engaging tips 104 and 105.
  • Fig. 11 shows a cross-section shape 106 having a central curved portion 107, with top and bottom portions 108 and 109 angling away to engage the object at respective tips. It will be appreciated that these are only a few of the many suitable cross-section shapes for the bar portion 12.
  • the shapes shown in Figs. 6-11 advantageously engage the object at top and bottom locations, which may provide better gripping in conjunction with a central engagement by the rod portion 14 (Fig. 2).
  • Figs. 12 and 13 show an alternate embodiment of the present invention, a clamp 110 that is used as a pipe hanger for supporting a horizontal run 116 of pipe or conduit.
  • the pipe clamp 110 includes rod portion 114 that engages slots 136 and 138 of a bar portion 112 in a manner similar to the engagement of the bar portion 12 and the rod portion 14 (Fig. 2).
  • a threaded end 170 of the rod portion 114 is held in place by a nut 172 tightened against the bar portion 112.
  • the pipe or conduit 116 is secured between the bar portion 112 and the rod portion 114.
  • the bar portion 112 has a pair of extensions 126 and 128 on either side of a central circular section 120.
  • the bottom extension 128 serves to accommodate the slot 138, and to support a bent end 174 of the rod portion 114 within the slot 138.
  • the top extension 126 has a thread form hole 194 and a nail or screw hole 196.
  • the holes 194 and 196 may be used to secure the clamp 110 to a wall or any of a variety of structural members.
  • a bolt 198 engages the thread form hole 194 is used to secure the clamp 110 to a bracket 200.
  • the illustrated embodiment is just one possible way of securing the clamp 110 to structure.
  • Various other ways are known for securing vertical extensions to a large variety of structural members, such as purlins of various types, beam flanges, walls, brackets, drop wires, etc. Further information regarding securing to structural members may be found in U.S. Patent No. 5,740,994, the description and drawings of which are herein incorporated by reference.
  • FIGs. 14 and 15 show another alternate embodiment, a clamp 210 having a pair of notched bar portions 212 and 214.
  • the bar portions 212 and 214 have respective central circular sections 220 and 221 for holding a circular object 216 clamped in a round space 218 between the portions 212 and 214.
  • the portions 212 and 214 At one side of the circular sections 220 and 221 the portions 212 and 214 have notched sections with angled ends.
  • the portion 212 has a straight extension 226, extending away from the round space 218.
  • the straight extension 226 concludes at a bend 227, where the portion 212 has a notch 229.
  • On the other side of the bend 227 is an angled free end 233 of the portion 212.
  • the angled end 233 is angled away from the circular section 220, toward an opposite side of the round space 218 from that bordered by the circular section 220.
  • the angled end 233 may be angled at a 45-degree angle from the straight extension 226.
  • the notch 229 may extend across the bend 227, into both the straight extension 226 and the angled end 233.
  • the portion 214 may have corresponding features: a straight extension 236, a bend 237, a notch 239, and an angled end 243.
  • the portions 212 and 214 have respective straight extensions 250 and 251.
  • the extensions 250 and 251 run parallel to each other, away from the round space 218 between the circular sections 220 and 221.
  • the extension 250 has a hole 252 in it, for receiving a bolt 254 therethrough.
  • the extension 251 has an open slot 256 at a corresponding location.
  • the slot 256 is open in the same downward direction as the notch 239.
  • the slot 256 is wide enough to allow a shaft 257 of the bolt 254 to enter into it.
  • the bolt 254 is substantially perpendicular to the extensions 250 and 251 when the bolt passes through hole 252 and the slot 256. With the bolt shaft 257 though the hole 252 and in the slot 256, a nut 258 on the shaft 257 can be tightened to secure the extensions 250 and 251.
  • the bolt 254 may first be installed through the hole 252 in the extension 250 of the portion 212.
  • the nut 258 may be loosely screwed onto the threaded bolt shaft 257 to aid in keeping the bolt 254 coupled to the portion 212.
  • the portion 212 is placed on one side of the circular object 216.
  • the portion 214 is placed on the other side of the circular object 216.
  • the notches 229 and 239 are engaged, causing the angled ends 233 and 243 to overlap and interlock together.
  • the bolt shaft 257 passes into the slot 256.
  • the nut 258 is tightened to pull the extensions 250 and 251 toward one another.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

L'invention concerne une bride destinée à retenir des objets circulaires, tels que des tuyaux ou des conduits, et comprenant une partie tige falciforme entrant en prise avec des fentes dans une partie barre. La partie tige comprend une section centrale circulaire située entre une extrémité pliée et une extrémité filetée pouvant entrer en prise avec des fentes respectives. La section circulaire peut comprendre une surface intérieure de section cylindrique éventuellement texturée destinée à entrer en prise avec l'objet circulaire. La partie barre comprend également une partie centrale circulaire destinée à entrer en prise avec le côté opposé de l'objet circulaire. Cette bride est installée sur un objet circulaire par mise en place de la section circulaire de la partie barre contre l'objet circulaire, par accrochage de l'extrémité pliée de la partie tige dans l'une des fentes, par insertion de l'extrémité filetée de la partie tige dans l'autre fente, et par serrage d'un écrou sur l'extrémité filetée en vue de la fixation de la bride sur l'objet circulaire.
PCT/US2006/046124 2005-12-01 2006-12-01 Bride pour objets circulaires WO2007064955A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74141205P 2005-12-01 2005-12-01
US60/741,412 2005-12-01

Publications (2)

Publication Number Publication Date
WO2007064955A2 true WO2007064955A2 (fr) 2007-06-07
WO2007064955A3 WO2007064955A3 (fr) 2007-07-19

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WO (1) WO2007064955A2 (fr)

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Publication number Priority date Publication date Assignee Title
US10273695B2 (en) * 2017-04-24 2019-04-30 Norman Lee Veldhoff Gutter downspout end guard

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