Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Plural – intermittent pressure applying
Patent
1997-05-29
1998-08-04
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
Plural, intermittent pressure applying
264109, 425371, B27N 324, B30B 506
Patent
active
057888922
ABSTRACT:
A continuously operating press having a plurality of press columns each including upper and lower press heating plates being separated by an adjustable press nip, a piston-cylinder arrangement connected to both the upper and lower press heating plates and a spring supporting the press column achieves an increased longitudinal deformation gradient of the press heating plates. The press achieves the increased longitudinal deformation gradient by deforming the upper and lower press heating plates together.
REFERENCES:
patent: 4923656 (1990-05-01), Held
patent: 5085812 (1992-02-01), Ahrweiler et al.
patent: 5284609 (1994-02-01), Avenne
patent: 5433905 (1995-07-01), Tisch
patent: 5562028 (1996-10-01), Bielfeldt et al.
Bullervelt et al., Abstract No. DE 44 05 342 A (1994).
Machinenfabrik J. Dieffenbacher GmBH & Co.
Theisen Mary Lynn
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