Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1976-08-25
1978-06-27
Pavelko, Thomas P.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
264339, 432253, B29C 1702
Patent
active
040975738
ABSTRACT:
Method of bending thermoplastic pipes involving applying a source of heat to those portions of the pipe which are to be fashioned or shaped, applying a bending force to the pipe and cooling the bent pipe. The steps of the method are undertaken at one and the same location while the pipe is internally supported and has one end secured in a fixed position. Apparatus specifically designed to carry out such a method is also included.
REFERENCES:
patent: 2433055 (1947-12-01), Linden
Pavelko Thomas P.
Rieber & Son A/S
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