Method of deep-drawing of foam material-mold parts

Details Method of deep-drawing of foam material-mold parts Method of deep-drawing of foam material-mold parts

1979-01-15

1981-04-14

Silbaugh, Jan H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156224, 156245, 264512, 264547, 264554, B32B 110, B29C 1704

Patent

active

042617758

ABSTRACT:
A method of deep drawing of foam material mold parts made of flat foamed plates, by which the plate which is clamped in a frame is heated on both sides and is sucked against the upper side of a core piece which moves into the plane of the frame, the upper side corresponding to the profile of the mold. The suction takes place with an intermediate placement of a foil, the latter being adhesive material--repelling at least on its interior side. The foil is fastened to the foam material plate by means of a self-adhesive layer.

REFERENCES:
patent: 3039911 (1962-06-01), Fox
patent: 3971866 (1976-07-01), Johnson

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