Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1976-05-19
1978-06-06
Pavelko, Thomas P.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
138156, 264 92, 264295, 264322, 264339, B29C 1702
Patent
active
040936830
ABSTRACT:
A preform of a resilient thermoplastic polymeric material is first fabricated then folded into a complex tubular shape corresponding to the shape of a pipe fitting, heated while in said configuration to soften said polymeric material, and then cooled while maintained in said configuration.
REFERENCES:
patent: 3495629 (1970-02-01), Botsolas
patent: 3499072 (1970-03-01), Helling
Hunt, Jr. Clifton T.
Pavelko Thomas P.
Speed-Line Manufacturing Company, Inc.
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