Plastic and nonmetallic article shaping or treating: processes – Prestressing solid body and uniting in stressed condition
Patent
1988-10-17
1990-05-08
Ball, Michael W.
Plastic and nonmetallic article shaping or treating: processes
Prestressing solid body and uniting in stressed condition
264269, 264280, 264516, 425329, 425345, 425366, B29C 4346, B29C 6334, B29C 6338
Patent
active
049236636
ABSTRACT:
A method and apparatus are shown for lining a tubular member with an elastomeric liner having an outside diameter which is initially greater than the inside diameter of the tubular member. A length of the liner is reduced to a downsized outside diameter by rolling and simultaneously crushing the liner a preselected amount, whereby the liner retains a standard dimensional ratio in the downsized condition. The liner is inserted into the tubular member to be lined and is allowed to expand to substantially its original outside diameter to thereby bond the liner within the tubular member.
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Gas World, Feb. 1987.
Pipeline & Utilities Construction, Jul. 1987.
Ball Michael W.
Gunter Jr. Charles D.
Maki Steven D.
Tarsha Simon Sama'an
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