Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Differential temperature conditioning
Patent
1984-11-07
1986-06-17
Silbaugh, Jan
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Differential temperature conditioning
264550, B29C 5110
Patent
active
045955549
ABSTRACT:
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.
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Bullock Lance W.
Kovacs Ferenc
Vlahek Josip
Lee, Jr. William D.
Quatt Mark B.
Silbaugh Jan
Toney John J.
W. R. Grace Australia Limited
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