Apparatus for belling plastic pipe

Details Apparatus for belling plastic pipe Apparatus for belling plastic pipe

1974-10-21

1977-02-15

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Feed control of material en route to shaping area

425384, 425393, 425455R, 425457, B29C 1707

Patent

active

040080285

ABSTRACT:
Method and apparatus for belling an end of a length of thermoplastic pipe by thermally softening the end of the pipe, inserting an expansible belling head into the softened end, expanding the belling head to accomplish shaping of the thermoplastic material, cooling the pipe, and then separating the pipe from the belling head.

REFERENCES:
patent: 3205535 (1965-09-01), Niessner et al.
patent: 3553780 (1971-12-01), Kuhlemann

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