Apparatus having fluid pressure plastic skin folding means for m

Details Apparatus having fluid pressure plastic skin folding means for m Apparatus having fluid pressure plastic skin folding means for m

1988-03-28

1988-12-27

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Preform assembly means and means for bonding of plural...

Reshaping means utilizing fluid pressure directly contacting...

264 465, 264 468, 264511, 264545, 264547, 264263, 425518, 425112, 425123, 4253421, 425817R, B29C 5340, B29C 6570

Patent

active

047937939

ABSTRACT:
The apparatus includes a first female mold member defining a mold cavity for receiving a plastisol skin or layer. A second mold member or slide is positioned with a surface thereon contiguous with the surface of the mold cavity. The surface of the second mold member receives and holds thereon a portion of the plastisol skin extending from the mold cavity. A third mold member, such as a mold core, positions a rigid insert in the mold cavity with an insert surface or edge adjacent the portion of the plastisol skin on the second mold member. The second mold member includes passages for directing fluid pressure against the portion of skin thereon to fold it over the adjacent insert edge. A fourth mold member, such as a mold lid, is movable toward the second and third mold members for pressing the folded-over skin against the insert during foam formation between the skin and insert.

REFERENCES:
patent: 4336009 (1982-06-01), Wolf
patent: 4406848 (1983-09-01), Simpson
patent: 4420447 (1983-12-01), Nakashima
patent: 4544126 (1985-10-01), Melchert

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