WO1985000869A1 - Appareil pour deposer une membrane a l'interieur d'un conduit - Google Patents

Appareil pour deposer une membrane a l'interieur d'un conduit Download PDF

Info

Publication number
WO1985000869A1
WO1985000869A1 PCT/US1984/000837 US8400837W WO8500869A1 WO 1985000869 A1 WO1985000869 A1 WO 1985000869A1 US 8400837 W US8400837 W US 8400837W WO 8500869 A1 WO8500869 A1 WO 8500869A1
Authority
WO
WIPO (PCT)
Prior art keywords
conduit
rod
coiled member
coiled
helix
Prior art date
Application number
PCT/US1984/000837
Other languages
English (en)
Inventor
Edwin Boudreaux, Jr.
John Leo Kane
Thomas John Porzio
Original Assignee
Owens-Corning Fiberglas 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 Owens-Corning Fiberglas Corporation filed Critical Owens-Corning Fiberglas Corporation
Publication of WO1985000869A1 publication Critical patent/WO1985000869A1/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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0028—Tools for removing or installing seals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/143—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same for installing wire thread inserts or tubular threaded inserts
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/06—Methods of, or installations for, laying sewer pipes
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/06—Methods of, or installations for, laying sewer pipes
    • E03F2003/065—Refurbishing of sewer pipes, e.g. by coating, lining

Definitions

  • TECHNICAL FIELD Tnis invention relates to apparatus for depositing an object in a conduit.
  • this invention relates to apparatus for object insertion withi n a conduit as a meth od of conduit repair.
  • BACKGROUND ART Dam age of conduits is well known. Such damage can occur in the form of tides, cracks, ana tne like. It frequently occurs that such damage takes place in conduit not easily accessible Decause of location.
  • a conduit for example, can De located underground as is a sewer line, water line or gas line.
  • the apparatus of this invention is directed to facilitating the repair of such conduit by enabling the deposition of a coiled member, or spring, and m embran e, in sealing relationship witn the defect of the conduit.
  • apparatus for positioning a coil witnin a conduit which comprises a rod having a nelix formed in its outer periphery, a first member, or bushing, affixed to the rod and a second fixable member, or bushing, moveable along the rod in the helix, the members being adapted for the positioning of a coil affixed to each of tne members and extending therebetween.
  • the apparatus includes a coiled member mounted on, and extending between, the bushings.
  • the apparatus in another embodiment, includes a flexible membrane encompassing at least a portion of the coiled member.
  • Figure 1 is a view of one embodiment of the carrier apparatus of this invention
  • Figure 2 is a cross-sectional view through section 2-2 of Figure 1;
  • Figure 3 is a view of one embodiment of a coiled member suitable for use as a part of the apparatus of this invention
  • Figure 4 is a view of the coiled member positioned on the carrier with a flexible sleeve positioned over a portion of the coiled member.
  • Figure 5 is a cross-sectional view of the final installation of the coil and flexible membrane installed within a conduit.
  • the apparatus of this invention will be described in terms of employment of the emboci ments depicted in the figures without intending to limit the invention thereto.
  • the apparatus of this inversion is employable in any size conduit employed for any purpose. It is particularly suitable for use in conduit of from about 50. 8 mm to about 381 . mm (2 to about 15 inches) in diameter, which conduit is inaccessible, such as a sewer line, but which conduit has an access opening thereinto.
  • device 10 comprising rod 11 on which are mounted fixed bushing 12 and movable bushling 1 3 .
  • Rod 11 has at its one end any suitable attachment means, for example, a ring 14 affixed thereto. While bushing 12 is fixed, bushing 13 is free to rotate and move longitudinally along rod 11 in helix 15. As shown in Figure 2, busning 13 has an internal projection 20 extending down into helix 15 sucn that when the busning moves along the rod, the internal projection rides within the helix and the busuing rotates. Each of busnings 12 and 13 have studs 16 and 17, respectively, positioned thereon . Busning 15 is also aaapted with means, sucn as a set screw 18, for fixedly positioning the moveable bushing along the length of t he rod as described hereinafter.
  • the pitch of the n elix 15 on rod 11 is substantially the same as that of the nereina fter discussed coil in order to obtain the correct dynamic Dehavior of the coiled member upon release, as nerein after described.
  • Any suitable coi led mem ber can be employed.
  • One particularly suitable member is made of fiber glass reinforced resin formed with a spiral slice.
  • Suitable members can be mace from FRP pipe, using for example, A. O. Smith Red Thread FRP or Green Thread Glass fiber reinforced epoxy pipe
  • Such coiled members wi ll be of any suitable length, will have a coi l flat width of from about 25.4 to about 254 . mm (1 to about 10 inches) and a coi l thickn ess of from about 2 . 54 to about 12.7 mm (0.100 to about 0.500 inch).
  • the coiled member is con posed of flat sections 2 making up a member of suitable continuous length.
  • the coiled member will have terminals 4 and 5 in which are positioned openings 6 and 7, respectively.
  • the coi led member can nave eitner a right or a left-hand pitch.
  • the flat sections a re preferably rectangular .
  • the coi led member wil l nave a diamete r in its relaxed position greater than the internal diameter of the conquit into wnicn it is to be inserted.
  • the coi led me m be r is introduced into the conduit in a torsionally loaoec, or twisted and elongated, condition from wnich it is released after insertion to expand outwardly ana to exert a pressure against the internal wall of the cond uit.
  • E modulus of elasticity of the material from which the coiled member is fabricated
  • h thickness of the flat section of the coiled member
  • r o the outer radius of the coiled member in the unstrained state
  • r the outer racius of the coiled member in the torsionally loaded state
  • the coiled member can be inserted into the conduit on the carrier, alone, or it can be encompassed with a sleeve such that, upon placement within the conduit, the sleeve is positioned between the coil and the inner conduit wall, while the sleeve can be comprised of any suitable material, it will preferably be comprised of a flexible material such as vulcanized butyl rubber or any m aterial inert to the material transported in the conduit.
  • a flexible material such as vulcanized butyl rubber or any m aterial inert to the material transported in the conduit.
  • the free bushing 13 is then rotated away from the fixed bushing 12 along the length of the rod 11 producing a simultaneous decrease in diameter and increase in length of the coiled member.
  • the free bushing 13 is locked into position in the twisted state by lock-release mechanism, or set screw 18. If employed, a sleeve 21 is placed o v e r any portion of the twisted coil and the entire mechanism is placed in the conduit.
  • the mecnanism is positioned in tne conduit by any suitable me thod, for example, by pulling it by means dffixed to ring 14.
  • the lock-release mecnanism is released.
  • the tree bushing then moves towards the fixed busning, the coil untwists and expands outward into a position of compression against the wall of the conduit, at the same time its momentum carrying the slots 6 and 7 off of studs 16 and 17, with the sleeve 21, if em ployed, being positioned between the coil 2 and the inner waIl of the pipe 31 as shown in Figure 5.
  • the insertion device is the n with drawn leaving the coiled member in outward compression and to forcing the sleeve, if present, in sealing arrangen ent against any defect which may have been present in the conduit.
  • This invention is useable for the repair of underground conduits such as sewer lines, pipelines and t h e like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

Appareil (10) pour positionner un serpentin à l'intérieur d'un conduit, l'appareil comportant une tige (11), une bague fixe (12) et une bague mobile fixable (13) pour positionner un élément spiralé entre elles.
PCT/US1984/000837 1983-08-03 1984-05-31 Appareil pour deposer une membrane a l'interieur d'un conduit WO1985000869A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51994783A 1983-08-03 1983-08-03
US519,947 1983-08-03

Publications (1)

Publication Number Publication Date
WO1985000869A1 true WO1985000869A1 (fr) 1985-02-28

Family

ID=24070528

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1984/000837 WO1985000869A1 (fr) 1983-08-03 1984-05-31 Appareil pour deposer une membrane a l'interieur d'un conduit

Country Status (2)

Country Link
EP (1) EP0153319A1 (fr)
WO (1) WO1985000869A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2300057A (en) * 1940-03-29 1942-10-27 Charles A F Meyer Hose reinforcement means
US2329286A (en) * 1940-02-24 1943-09-14 Charles A F Meyer Hose reinforcement inserting apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2329286A (en) * 1940-02-24 1943-09-14 Charles A F Meyer Hose reinforcement inserting apparatus
US2300057A (en) * 1940-03-29 1942-10-27 Charles A F Meyer Hose reinforcement means

Also Published As

Publication number Publication date
EP0153319A1 (fr) 1985-09-04

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