Plastic and nonmetallic article shaping or treating: processes – Treatment of material by vibrating – jarring – or agitating...
Reexamination Certificate
2006-01-24
2006-01-24
Lechert, Jr., Stephen J. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Treatment of material by vibrating, jarring, or agitating...
C264S070000, C264S120000
Reexamination Certificate
active
06989116
ABSTRACT:
The present invention is a method of forming a compressed product. The method includes introducing a material into a press. The material has a flow direction through the press. The press is arranged to have at least one platen oscillating between a compression phase and a release phase. The at least one platen is configured to impart a compressive force onto the material during the compression phase such that the force is applied initially at an acute compression vector angle relative to the material flow direction. As a function of the angled compressive force, the material is transported a distance through the press and then released during the release phase.
REFERENCES:
patent: 4923656 (1990-05-01), Held
patent: 6312632 (2001-11-01), Graf
patent: 196 02 536 (1996-07-01), None
patent: WO 92/15447 (1992-09-01), None
Lechert Jr. Stephen J.
Weyerhaeuser Company
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