Plastic article or earthenware shaping or treating: apparatus – Diverse distinct type shaping means
Patent
1997-04-11
1999-11-09
Mackey, James P.
Plastic article or earthenware shaping or treating: apparatus
Diverse distinct type shaping means
264296, 425394, 425453, B29C 6902
Patent
active
059802308
ABSTRACT:
A method and apparatus for forming a fastener product are disclosed. The method comprises molding a preform member in a mold cavity defined by first and second parts of a mold, removing the first part of the mold to expose an array of preform elements of the preform member while the member remains within the second part of the mold, and, while holding the member by the second part of the mold, performing a subsequent forming operation on the preform elements. The apparatus deforms the preform elements, preferably with a heated mold plate, to form fastener elements while holding the member by the second part of the mold. In a preferred embodiment the resulting elements are mushroom-shaped and the preform is held in the second part of the mold by another fastening feature. Both reciprocating and rotary-type machines are disclosed.
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Buzzell Keith G.
Dowd Clinton
Mackey James P.
Velcro Industries B.V.
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