Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1991-04-26
1993-01-19
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156287, 156294, B29C 6334
Patent
active
051804581
ABSTRACT:
A method of lining of metallic pipe is disclosed. The method comprises forming a plurality of concentric flexible tubes of a thermoplastic polymer, such tubes being capable of being bonded together under the influence of heat and pressure. The plurality of concentric tubes is inserted into a section of metallic pipe that is to be lined. The tubes are then heated, especially under pressure e.g. using steam, to cause the tubes to bond together to form a single tube lining the pipe. Adhesives may be used to facilitate bonding. The method is particularly useful in the lining of metallic pipe that has bends, loops or the like.
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Ball Michael W.
Du Pont Canada Inc.
Maki Steven D.
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