Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including both heating and cooling means
Patent
1995-01-20
1997-02-04
Nguyen, Khanh P.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including both heating and cooling means
425394, 425395, 425397, 425407, 425417, 425DIG14, 425DIG110, B29C 4352, B29C 3302
Patent
active
055995659
ABSTRACT:
The invention provides a device for press forming a sheet blank (5) of the type including a die formed by a pad (2) composed of an elastic material disposed in a retaining box (1), a lower blank holder (3) which rests on the upper part of the box (1) and on which the sheet blank (5) rests, structure for preforming the sheet blank (5) constituted by an outer slide (6) carrying an upper blank holder (6a), structure for forming the sheet blank (5) constituted by a central slide acting on a plunger (7) and, in the region of heating zones of the elastic pad (2), structure (20) for regulating the temperature of the elastic pad (2) in the course of the press forming of the sheet blank (5).
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Nguyen Khanh P.
Sollac
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