Extruders and injection moulding machines

Details Extruders and injection moulding machines Extruders and injection moulding machines

1975-03-19

1977-03-22

McCarthy, Edward J.

259 97, B29B 110

Patent

active

040132765

ABSTRACT:
A screw-housing for an extruder or injection moulding machine, having a longitudinal bore on the internal surface of which is defined grooving, preferably in the form of a number of equidistantly spaced grooves, extending longitudinally throughout substantially the whole length of the housing or alternatively throughout a major portion of the length of the housing downstream of the feed zone thereof.

REFERENCES:
patent: 1427272 (1922-08-01), Eger
patent: 2471324 (1949-05-01), Henning
patent: 3150411 (1964-09-01), Daubenfeld
patent: 3458894 (1969-08-01), Wheeler
patent: 3638921 (1972-02-01), Bredeson et al.
patent: 3799510 (1974-03-01), Schott, Jr.

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