Manufacturing device for producing a multi-layer molded product

Details Manufacturing device for producing a multi-layer molded product Manufacturing device for producing a multi-layer molded product

1995-06-02

1997-04-08

Davis, Robert

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

And means to apply stress to preform and uniting in stressed...

425112, 425125, 425127, 4251291, 425290, 425577, B29C 4516

Patent

active

056185677

ABSTRACT:
A manufacturing device for multi-layer molded-products, which is provided with: a mold having a pair of upper and lower molds, one of which is a movable mold and the other is a fixed mold; and a movable member that presses a covering material against the molding surface of the upper or lower mold and that is capable of retreating out of the cavity of the mold. The device can be used in a manufacturing method for multi-layer molded-products which comprising the steps of supplying molten thermoplastic resin between the upper mold and the lower mold, and applying pressure to a forming cavity by clamping. With this method and device, it is possible to easily produce a multi-layer molded-product wherein the covering material, such as a woven fabric, is entangledly fused to and integrally formed on the surface of a base plate with at least one hole that is made of thermoplastic resin.

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IBM Technical Disclosure Bulletin, vol. 17, No. 8, pp. 216-217 (Jan. 1975).
"Flash Free Compression Molding Process" (IBM Technical Disclosure Bulletin, vol. 13, No. 7, Dec. 1970, p. 1838).

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