Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Presses or press platen structures – per se
Patent
1977-10-26
1980-02-26
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Presses or press platen structures, per se
74522, 74525, 100 93P, 100283, 156 85, 219243, B30B 1534, B32B 3100
Patent
active
041904850
ABSTRACT:
A method of welding a thermoshrinkable sheet comprises inserting between opposing faces of the sheet to be welded a piece of uncrosslinked resin tape containing peroxide, securing heat-resisting tapes on and adjacent outer faces of a welding portion of the sheet, and heating and pressing the welding portion.
A device for use in the method includes a pressing plate having a heater, a receiving plate, a first link pivotally connected at one end to one end of the receiving plate and at the other end to the pressing plate, an operation lever pivoted on one end of the receiving plate, a second link pivotally connected to the free end of the operation lever and to the first link. The first and second links and the operation lever constitute a power amplifier mechanism in which the turning force of the operation lever is amplified to the pressure of the pressing plate through the second and first links.
REFERENCES:
patent: 2478121 (1949-08-01), Morner
patent: 2644151 (1953-06-01), Krueger
patent: 2936261 (1960-05-01), Cole
patent: 3106630 (1963-10-01), Klamp
patent: 3450031 (1969-06-01), Peterson
patent: 3617419 (1971-11-01), Fischer
patent: 3891490 (1975-06-01), Humphries
patent: 3926033 (1975-12-01), Forichon
Hibino Yutaka
Negishi Yasuo
Takeda Kazutoki
Gallagher J. J.
Powell William A.
Sumitomo Electric Industries Ltd.
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