Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-12-01
1992-04-28
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156280, 264500, 264510, 264544, B32B 3114
Patent
active
051085305
ABSTRACT:
A method of manufacturing a deep-drawn formed plastic piece comprises providing a cold-stretchable sheet material with a coating selected from a group of an ink film, an ink imprint, a vacuum evaporated metallic thin film, and an electrically conductive varnish film. The coated sheet is heated with a fluid pressure medium which has a fluid medium pressure of more than 20 bars, and at an operating temperature lower than the softening temperature of the sheet material, in order to deform the sheet material isostatically to obtain the deep-drawn formed coated plastic piece.
REFERENCES:
patent: 1857034 (1968-12-01), Knox
patent: 4931325 (1990-06-01), Corradini et al.
Niebling, Jr. Curt
Wank Joachim
Bayer Aktiengesellschaft
Weston Caleb
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