Polymeric multiform membrane molding

Details Polymeric multiform membrane molding Polymeric multiform membrane molding

2005-05-03

2005-05-03

Mackey, James P. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Female mold including tamping means or means utilizing mold...

Means to rotate female mold about horizontal axis

C425S447000, C425S448000

Reexamination Certificate

active

06887065

ABSTRACT:
An apparatus for molding a polymeric multiform skin membrane is provided. The molding apparatus includes a rotatable heated mold envelope having an opening. Additionally the mold envelope has channel members which generally extend lateral of the opening. A feed-stock bucket is provided for holding polymeric work stock. The bucket is moved by a carriage in a direction generally parallel with the channel members of the mold envelope with a first lateral position for loading and a second position closing the opening of the mold envelope. Selectively actuatable clamps are provided for securing the bucket with the mold envelope.

REFERENCES:
patent: 4217325 (1980-08-01), Colby
patent: 4722678 (1988-02-01), Wersosky
patent: 4755333 (1988-07-01), Gray
patent: 4925151 (1990-05-01), Gray
patent: 6409493 (2002-06-01), MacDonald et al.

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