B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1077
B29C 51/42 (2006.01) B29C 47/88 (2006.01)
Patent
CA 1114125
Abstract of the Disclosure The present invention relates to an improved method for manu- facturing thin-walled articles from crystalline thermoplastic material by thermoforming a web of said material. The method includes forming a web wherein the outer surface regions can act as solidified supportive layers while the core of the web is at a temperature close to but lower than the critical crystalline melting temperature range of said material. The relatively cool outer surface regions of the web are heated prior to thermo- forming.
308018
Geppert Barbara
Thiel Alfons W.
Bellaplast G.m.b.h.
Smart & Biggar
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