B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/978, 204/91.4
B29C 61/10 (2006.01) B29C 61/06 (2006.01) C08J 7/18 (2006.01) H02G 15/18 (2006.01) G09F 3/20 (2006.01)
Patent
CA 1331580
Abstract of the Disclosure A method of forming a heat-recoverable article including the steps of profile extruding polymeric material into a predetermined shape, irradiating the polymeric material and then deforming the polymeric material into a generally planar configuration. Also disclosed is a heat-recoverable article including a generally planar layer of polymeric material which is in the heat unstable condition. Opposed surfaces of the polymeric material have a latent recovery stress, however opposite in sense, so that the article upon recovering towards a predetermined shape, exhibits substantially no residual stress. Accordingly, the final shape of the article can be controlled easily and the article does not require for its application to a substrate the presentation of a free end. Further disclosed is a heat-recoverable article made by the method.
540227
Hansen Erling
Wicht Steve
Fetherstonhaugh & Co.
Raychem Corporation
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