Method and apparatus for forming three dimensional structural co

Details Method and apparatus for forming three dimensional structural co Method and apparatus for forming three dimensional structural co

1986-05-20

1987-10-27

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Removal of liquid component or carrier through porous mold...

By direct application of vacuum or pneumatic pressure

162223, 162226, 162227, 162296, 162382, 264 86, 264517, 264518, 264120, 264121, 264313, 264314, 425 801, 425 831, 425 84, 425 85, 425DIG19, 425DIG44, 425DIG112, 425DIG119, B28B 152

Patent

active

047028700

ABSTRACT:
Methods and apparatus for producing three-dimensional structural members having one flat side from wood fibers utilizing flow deposition of the fibers onto a support. The support includes resilient deformable mold inserts. The mold inserts are formed of silicone rubber and may be blocks of the material, or may be a membrane which can be inflated to form the mold inserts. Pressing is done with a force normal to the support, and the mold inserts create response forces at varying directions to thus shape and hold the three-dimensional finished part. Heat drying also may be used.

REFERENCES:
patent: 3166467 (1965-01-01), Reifers et al.
patent: 3354248 (1967-11-01), Haas et al.
patent: 3449207 (1969-06-01), Modersohn
patent: 4162877 (1979-07-01), Nyberg
patent: 4388263 (1983-06-01), Prunty

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