An apparatus and method for sealing a leak in a plastic pipe is provided. The apparatus includes a body and an electrofusion element. The body is constructed of a substantially rigid material and has an upper surface and a lower surface. The lower surface is adapted to be positionable about at least
An apparatus and method for sealing a leak in a plastic pipe is provided. The apparatus includes a body and an electrofusion element. The body is constructed of a substantially rigid material and has an upper surface and a lower surface. The lower surface is adapted to be positionable about at least a leak portion of a plastic pipe. The electrofusion element is disposed about the lower surface of the body and operable to sealably couple with the plastic pipe to encapsulate the leak.
대표청구항▼
1. An apparatus for use in repairing a leak in a plastic pipe, the apparatus comprising:a first portion having a first pipe engaging electrofusion surface, a second pipe engaging electrofusion surface, a first contact surface, and a second contact surface; and a second portion having a first pipe en
1. An apparatus for use in repairing a leak in a plastic pipe, the apparatus comprising:a first portion having a first pipe engaging electrofusion surface, a second pipe engaging electrofusion surface, a first contact surface, and a second contact surface; and a second portion having a first pipe engaging electrofusion surface, a second pipe engaging electrofusion surface, a first contact surface, and a second contact surface wherein the first portion and the second portion are operable to encapsulate the leak, the first pipe engaging electrofusion surfaces of the first and second portions are operable to couple around the pipe to form a first seal, the second pipe engaging electrofusion surfaces of the first and second portions are operable to couple around the pipe to form a second seal, the first contact surfaces of the first and second portions are operable to sealably couple with one another, and the second contact surfaces of the first and second portions are operable to sealably couple with one another; a sealable vent coupled to the apparatus and in communication with the leak in the plastic pipe when the first and second portions are positioned to encapsulate the plastic pipe; a first terminal attached to the first portion; a second terminal electrically coupleable to the first terminal; and a communication line positioned to electrically couple the first and second portions when the first and second portions are positioned for engagement such that when electricity is applied to the first and second terminals, the electricity is communicated to energize the electrofusion surfaces of the first and second portions. 2. The apparatus of claim 1 wherein the first and second contact surfaces of the first portion are further provided with electrofusion elements operable to sealably couple the first contact surfaces of the first and second portions to one another and operable to sealably couple the second contact surfaces of the first and second portions to one another.3. The apparatus of claim 1 wherein the first and second contact surfaces of the first and second portions are further provided with electrofusion elements operable to sealably couple the first contact surfaces of the first and second portions to one another and operable to sealably couple the second contact surfaces of the first and second portions to one another.4. The apparatus of claim 1 wherein the apparatus further includes a fastener operable to secure the first and second portions to one another.5. The apparatus of claim 4 wherein the first and second pipe engaging electrofusion surfaces and the first and second contact surfaces of the first portion define a sidewall providing a cavity within the first portion such that the cavity communicates with a leak portion of the plastic pipe.6. The apparatus of claim 5 wherein the first portion is provided with a passageway defining an opening extending therethrough the first portion, the passageway in communication with the cavity of the first portion.7. The apparatus of claim 5 wherein the first and second pipe engaging electrofusion surfaces and the first and second contact surfaces of the second portion define a sidewall providing a cavity within the second portion such that the cavity communicates with a leak portion of the plastic pipe.8. The apparatus of claim 7 wherein the plastic pipe is a polyethylene pipe.9. The apparatus of claim 1, further comprising a repair member provided on the plastic pipe to reduce the leak, and wherein the first and second portions are sized to couple around the plastic pipe so as to encapsulate the repair member and the plastic pipe.10. The apparatus of claim 9, wherein the repair member is further defined as a clamp.11. The apparatus of claim 9, wherein the repair member is further defined as a second electrofusion apparatus.12. A method for sealing a leak in a plastic pipe comprising:providing an apparatus comprising: a first portion having a first pipe engaging electrofusion surface, a second pipe engaging electrofusion surface, a first contact surface, and a second contact surface, a second portion having a first pipe engaging electrofusion surface, a second pipe engaging electrofusion surface, a first contact surface, and a second contact surface wherein the first portion and the second portion are operable to encapsulate the leak, the first pipe engaging electrofusion surfaces of the first and second portions are operable to couple around the pipe to form a first seal, the second pipe engaging electrofusion surfaces of the first and second portions are operable to couple around the pipe to form a second seal, the first contact surfaces of the first and second portions are operable to sealably couple with one another, and the second contact surfaces of the first and second portions are operable to sealably couple with one another, a sealable vent coupled to the apparatus and in communication with the leak in the plastic pipe when the first and second portions are positioned to encapsulate the plastic pipe, a first terminal attached to the first portion, a second terminal electrically coupleable to the first terminal, a communication line positioned to electrically couple the first and second portions when the first and second portions are positioned for engagement such that when electricity is applied to the first and second terminals, the electricity is communicated to energize the electrofusion surfaces of the first and second portions; and encapsulating the leak in the plastic pipe with the a first portion and a second portion; electrofusing the first portion and the second portion together at the first contact surfaces; electrofusing the first portion and the second portion together at the second contact surfaces; electrofusing the first and second pipe engaging electrofusion surfaces of the first and second portions; and electrofusing the second pipe engaging electrofusion surfaces of the first and second portions. 13. The method as defined by claim 12 wherein the apparatus further includes a fastener on at least one of the first and second portions operable to secure the first portion to the second portion, and wherein the method further includes fastening the fastener to secure the first portion to the second portion about the plastic pipe.14. The method of claim 13 wherein the apparatus further includes an opening in at least one of the first and second portions communicating with the leak in the plastic pipe, and wherein the method further comprises:testing the leak in the plastic pipe via the opening in the apparatus; and sealably covering the opening in the apparatus. 15. The method of claim 12, further comprising:sealing the sealable vent. 16. The method of claim 15, further comprising:providing a repair member on the plastic pipe to reduce the leak, wherein the first and second portions are sized to couple around the plastic pipe so as to encapsulate the repair member and the plastic pipe; and testing the leak in the plastic pipe via the sealable vent.
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Brister Beryle D. (Amarillo TX), Apparatus and method for forming a temporary plug in a fluid conduit.
Quin RenA. (Harskirchen FRX) Wiet Paul A. (Le Chesnay FRX) Caputi Jean-Louis M. (Paris FRX), Apparatus for inserting a shut-off device laterally into a pipe.
Schafstein Jurgen,DEX ; Hintzen Werner,DEX, Device for welding an accessory on a pipe by means of electrical heating elements integrated in said accessory.
Bridgstock Eric (Derbyshire GB2) Kenworthy David M. A. (South Yorkshire GB2) Glaves Brian (South Yorkshire GB2) Bilton David A. (Derbyshire GB2), Electro-fusion fitting and control apparatus therefor.
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Martin Luther W. (1221 Julie Dr. Champaign IL 61821) Smith Richard L. (R.R. 2 - Box 82A Edwardsville IL 62025), Method of making live gas main insertions.
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