Method for the hot deformation of a work piece

Details Method for the hot deformation of a work piece Method for the hot deformation of a work piece

1992-12-02

1994-10-11

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Plural sequential shaping or molding steps on same workpiece

264322, 264339, B29C 5300

Patent

active

053545338

ABSTRACT:
To achieve the hot deformation of a work piece (2), for example by folding a piece of plastics material, the method includes exerting on the work piece (2), in the zone (2a) to be deformed, a controlled deforming pressure (P1) and, during at least the initial stage of the application of this pressure, heating the work piece in a controlled manner, at least in the zone (2a) to be deformed, whereby, under the combined effect of the pressure and the heat, the work piece is deformed into the desired final state when it has reached a temperature in relation to the mechanical deformation stress to which it is subjected.

REFERENCES:
patent: 4002417 (1977-01-01), Vecchiotti et al.
patent: 4465453 (1984-08-01), Turner et al.
patent: 4601689 (1986-07-01), Finkle et al.
patent: 4744846 (1988-05-01), Pflug et al.
patent: 4759815 (1988-07-01), Frey
patent: 4818460 (1989-04-01), Nied
patent: 5066351 (1991-11-01), Knoll
Plastverarbeiter, 1979, Nr. 1, "Variationsmoglichkeiten beim Abkanten und ortlichen Biegen von thermoplastischem Plattenmaterial" * no translation provided.

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