Apparatus for continuous molding

Details Apparatus for continuous molding Apparatus for continuous molding

1980-10-24

1984-07-31

Lowe, James B.

Plastic article or earthenware shaping or treating: apparatus

Endless casting surface and cooperating harvesting means

425224, 425292, B29C 1710, B29D 500, B29D 702

Patent

active

044627840

ABSTRACT:
Continuous molding of objects using a rotatable molding wheel with peripheral orifices in accordance with the objects to be molded. Plastic is extruded upon the periphery of the wheel and a knife in substantially eliptical contact is used to skive film from the objects being molded. Following molding, selected portions of the objects can be selectively distended. Suitable distention can be achieved using diverging sprocket wheels. When the continuously molded objects are fasteners with filament-like portions, the diverging sprocket wheels can be used to stretch the filamentary portions and reorient their molecules.

REFERENCES:
patent: 2922193 (1960-01-01), Bonfiglio
patent: 3515778 (1970-06-01), Fields et al.
patent: 3635631 (1972-01-01), Fields
patent: 3875648 (1975-04-01), Bone
patent: 3956056 (1976-05-01), Boguslawski et al.
patent: 4159300 (1979-06-01), Wise

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