Extrusion die

Details Extrusion die Extrusion die

1983-03-07

1985-05-21

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

Means providing a shaping orifice

Adjustable shaping orifice or shape imparting insert member

2642098, 425376A, 425381, 425467, B29F 304

Patent

active

045183430

ABSTRACT:
A thermoplastic pipe extrusion die having an adjustment section in a radial portion of the die channel provides excellent control of final pipe wall thickness uniformity.

REFERENCES:
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patent: 3079636 (1963-03-01), Aykanian
patent: 3122790 (1964-03-01), Albert
patent: 3203048 (1965-08-01), Daubenfeld
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patent: 3488669 (1970-01-01), Goodrum et al.
patent: 3491406 (1970-01-01), Davidson
patent: 3492694 (1970-02-01), Morin
patent: 3809515 (1974-05-01), Farrell
patent: 3884611 (1975-05-01), Anderson et al.
patent: 3912240 (1975-10-01), Smith et al.
patent: 4084933 (1978-04-01), Reitemeyer et al.

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