B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
154/144, 18/978
B65D 63/10 (2006.01) B29C 61/10 (2006.01)
Patent
CA 1077820
Abstract An article and method for preparing wrap- around closures for cables, pipes, slices, and junctions to effect repair, insulation, water- proofing and the like are described. The article is a generally rectangular sheet of a plastic material which has the property of shrinking toward its original dimensions when it is heated after having been stretched at elevated temperatures and cooled while in stretched condition. The sheet has a large central section which has been hot stretched and cooled and two small end sections which have not been stretched. The wrap-around closure is made by wrapping the sheet loosely around the object to be enclosed and bringing the two end sections together so that one overlays together one or both of the facing surfaces of the end sections is coated with a thin layer of a lower alkyl cyanoacrylate adhesive. The end sections rapidly and strongly adhere to each other. The wrap-around sheet is then heated to a temperature in the range about 250-375°F. and the central section of the sheet shrinks back toward its pre-stretch dimension tightly engaging the object about which is is wrapped.
247981
Na
Sigmaform Corporation
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