Cam adjustable former for plastic pipe

Details Cam adjustable former for plastic pipe Cam adjustable former for plastic pipe

1994-04-07

1999-08-31

Crispino, Richard

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Convoluting or twisting means

15624413, 156429, 156431, 425325, 425402, 425505, B29C 5350, B29C 5360

Patent

active

059451386

ABSTRACT:
An improved former assembly which can be used in the manufacture of plastic pipe with the former assembly comprising a plastic pipe former assembly having a housing, a center tube supported on the housing, and a plurality of rollers oriented about the center tube, with the improvement comprising a plurality of universal joint assemblies each having a first end and a second end, each of the first ends being connected to the housing and each of the second ends being connected to one of the rollers.

REFERENCES:
patent: 639508 (1899-12-01), Bonta
patent: 2398876 (1946-04-01), Bailey
patent: 3405023 (1968-10-01), Eckenwiler et al.
patent: 3914151 (1975-10-01), Poulsen
patent: 4155796 (1979-05-01), Rambacher
patent: 4187068 (1980-02-01), Vassar
patent: 4389180 (1983-06-01), Gordon
patent: 4867671 (1989-09-01), Nagayoshi et al.
patent: 4957586 (1990-09-01), Keldany et al.

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