Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Presses or press platen structures – per se
Patent
1975-09-30
1977-01-04
Drummond, Douglas J.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Presses or press platen structures, per se
100215, 425DIG48, B32B 3100, B30B 1530
Patent
active
040010740
ABSTRACT:
A method for forming and pressing a foil to a board made of wood shavings, fibers and the like, in a double plate press having at least one first plate movable in a closing direction toward the other second plate and employing a first pivotal lever having a support surface and a second pivotal lever forming a top clamping surface, comprising placing at least one foil in alignment with at least one surface of the board and depositing the board and the foil onto a support surface. Thereafter, the second lever is pivoted in a first direction in order to engage a clamping roller at the end thereof onto the board. The two levers with the supported and clamped board are then displaced longitudinally into the press between the two press plates. The second lever is then rotated in an opposite direction to unclamp the board and the press is closed by moving the plates relatively toward each other to effect a gradual lateral withdrawal of the support surface on the first pivotal lever to completely release the board in the press as the press plates are closed.
REFERENCES:
patent: 2418065 (1947-03-01), Bobst
patent: 3073499 (1963-01-01), Middleton, Jr. et al.
patent: 3416592 (1968-12-01), Hutchinson
patent: 3909343 (1975-09-01), Posselt
Drummond Douglas J.
Fratelli Pagnoni S.p.A.
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