B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1073
B29C 51/30 (2006.01) B29C 51/04 (2006.01) B29C 51/26 (2006.01) B29C 51/42 (2006.01)
Patent
CA 1214614
APPARATUS AND PROCESS FOR THERMOFORMING THERMOPLASTIC SHEET MATERIALS ABSTRACT OF THE INVENTION The present invention relates to an improved plug or tool for use in the production of shaped articles from thermoplastic sheet materials. An important feature of the present invention is that the tool or plug comprises a body portion which incorporates one or more inserts which possess a thermal conductivity different from the thermal conductivity of the body portion.
419737
Bullock Lance W.
Kovacs Ferenc
Vlahek Josip
Cryovac Inc.
Smart & Biggar
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