Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – And means to form or reshape preform
Patent
1998-03-17
1999-12-14
Davis, Robert
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
And means to form or reshape preform
249172, 264245, 425120, 4251292, 425130, 425183, 425588, B29C 3326, B29C 4516, B29D 3150
Patent
active
060009233
ABSTRACT:
A mold assembly for manufacturing an outsole includes a female mold, a first male mold pivotally connected to a side of the male mold and a second male mold pivotally connected to an end of the male mold. A peripheral wall defining the cavity has a separating flange extending inwardly therefrom. Each of the first male mold and the second male mole has at least one protrusion extending therefrom through which at least one passage is defined. The protrusion of the first male mold is inserted into the cavity and an outer surface of the protrusion abuts the separating flange. The first protrusion and the second protrusion are inserted into the cavity in sequence and material is injected into the cavity via the passages.
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patent: 3463849 (1969-08-01), Winkler
patent: 3500502 (1970-03-01), Santelmann
patent: 3709973 (1973-01-01), Maltby
patent: 4123493 (1978-10-01), Schilke et al.
patent: 4276254 (1981-06-01), Combronde
patent: 4778368 (1988-10-01), Rebers et al.
patent: 5352105 (1994-10-01), Yang
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