Method and device for producing three-dimensional molded...

Details Method and device for producing three-dimensional molded... Method and device for producing three-dimensional molded...

2004-04-02

2009-11-24

Theisen, Mary Lynn F (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

C264S040500, C264S121000, C264S517000, C425S080100, C425S081100

Reexamination Certificate

active

07622062

ABSTRACT:
A method for producing three-dimensional parts made of fiber material using a mold, comprising a bottom mold, the inner side of which determines the contour of the bottom side of the molded part and a top mold whose inner side determines the contour of the top side of the molded part. The bottom mold and/or the top mold have holes enabling the passage of air. Fibers are blown into the interior of the closed mold with the aid of an air current and are deposited in the inner sides of the bottom mold and the top mold, whereby a blank of fiber material is formed, the fibers bound together by a bonding agent, whereupon the blank is hardened into a molded part. A device for the production of three-dimensional molded parts comprises a mold having at least one inlet hole for blowing in the fiber material. The molded part has areas with different thickness.

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