Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1982-11-10
1984-03-20
Wityshyn, Michael G.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With bending, folding, winding, or wrapping means
100211, 156580, 1565833, B30B 1500
Patent
active
044379218
ABSTRACT:
A press for gluing footwear elements to each other comprising a tank and means for supporting an article of footwear in the tank. A flexible pocket or elastic membrane is positioned in the tank and is adapted to envelope at least the portion of the article of footwear which includes the footwear elements which are to be glued to each other. The press includes a jack having a cylinder and a piston movable in the cylinder, the piston being adapted to be moved by the application of a pressurized pneumatic fluid to one surface of the piston. The opposite surface of the piston communicates with a liquid supply in the tank, whereby movement of the piston is operable to force the liquid under pressure against the flexible pocket or elastic membrane to cause the flexible pocket to conform to the contour of the footwear elements whereby to cause the elements to become glued to each other. Means is provided for moving the piston to a retracted position when the pneumatic pressure is released. This means for causing the piston to move to a retracted position may comprise a cross member connected to a portion of the piston rod which projects beyond the cylinder and spring means engageable with the cross member for normally biasing the piston and the piston rod to a retracted position.
REFERENCES:
patent: 2236552 (1941-04-01), Ushakoff
patent: 2654901 (1953-10-01), Morrison
patent: 2698273 (1954-12-01), Miner et al.
patent: 3533352 (1970-10-01), Miller
Anver S.A.
Wityshyn Michael G.
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