Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1997-08-05
1999-08-24
Vargot, Mathieu D.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
264257, 425371, 425446, B29B 1302, B29B 1116, B29C 7050
Patent
active
059421800
ABSTRACT:
A method and apparatus for heating fiber reinforced thermoplastics in sheet form in contact heating means, in which the thermoplastic is heated between bands in the space between two heating means which can be pressed against it and is at the same time held between an upper and a lower sheet-like or filament-shaped restraining means, which is respectively arranged between the thermoplastic and the band. After heating up, the thermoplastic is taken out of the heating zone together with the restraining means and bands, the bands firstly being detached from the thermoplastic, while the restraining means continue to bear against the thermoplastic, and subsequently the restraining means are detached from the thermoplastic.
REFERENCES:
patent: 5085812 (1992-02-01), Ahrweiler et al.
patent: 5149394 (1992-09-01), Held
patent: 5433905 (1995-07-01), Tisch
patent: 5876534 (1999-03-01), Erhardt
Patent Abstracts of Japan, vol. 95, No. 4 (abstract of JP 07-016936) (May 1995) (AN-95-093480).
Patent Abstracts of Japan, vol. 15, No. 260 (abstract of JP 03-086506 (Jul. 1991) (AN-91-152125).
M. Ostgathe et al., TR Technische Rundschau Transfer, vol. 87, No. 45, pp. 26-28 (Nov. 1995).
J. Dyckhoff et al., Kunststoff Journal, pp. 16-22 (May 1992).
Blauhut Wilfried
Lehner Manfred
Penz Wolfgang
Stadlbauer Wolfram
Zopf Ernst
Borealis AG
Vargot Mathieu D.
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