Deep-drawing tool

Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Molding pressure control means responsive to pressure at...

Reexamination Certificate

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Details

C425S170000, C425S385000, C425S403000, C425S469000

Reexamination Certificate

active

07112049

ABSTRACT:
The invention is concerned with a compression molding device (1) with a tool (3) generating at least a part of the work-piece geometry. At least one pressure measuring means (5) and/or at least one pressure space (4) is located directly below the work-piece associated surface (3.3) of the tool (3). Besides this, the work piece (3) selectively exhibits at least one first part (3.1) which is a tool template generating the shape of the work piece and a second part (3.2) forming the base body, wherein a measuring strip (6) is provided between the tool template (3.1) and the base body (3.2). As an optional refinement, the measuring strip (6) is an elastic intermediate layer with a smaller modulus of elasticity than the base body (3.2).

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patent: 5174933 (1992-12-01), Toh et al.
patent: 5528918 (1996-06-01), Kirii
patent: 5542835 (1996-08-01), Kennedy et al.
patent: 5622069 (1997-04-01), Walters
patent: 5735201 (1998-04-01), Hirao et al.
patent: 199 25 458 (2000-12-01), None
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patent: 0 626 223 (1994-11-01), None
patent: 0 699 899 (1996-03-01), None
patent: 0 740 968 (1996-11-01), None
patent: 112 26 794 (1999-08-01), None

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