Method and apparatus for continuous molding of articles

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – With mold element formation or removal

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Details

264174, 264252, 264310, 264318, 264334, 425115, 425121, 425122, 425129R, 425545, 425556, 425577, 425814, 425116, B29D 500

Patent

active

043506569

ABSTRACT:
One or more inner bands are employed to cooperate with an outer band and a cavity wheel or inner molding member wherein portions of the inner band or bands together with the outer band and the cavity wheel or inner molding member are utilized to continuously form the cavities for continuously molding articles. The inner band or bands are employed to form core members, intermediate cavity wall portions, and/or stripping members for the molding cavities.

REFERENCES:
patent: 2511402 (1950-06-01), Firing
patent: 3594865 (1971-07-01), Erb
patent: 3886634 (1975-05-01), Murata
patent: 3917787 (1975-11-01), Hansen
patent: 3962007 (1976-06-01), Heimberger
patent: 4084296 (1978-04-01), Moertel
patent: 4096225 (1978-06-01), Kowalski
patent: 4137034 (1979-01-01), Moertel
patent: 4157603 (1979-06-01), Kowalski
patent: 4158532 (1979-06-01), Kowalski
patent: 4176149 (1979-11-01), Moertel
patent: 4182600 (1980-01-01), Moertel

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