Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work feeding or handling means
Patent
1986-01-16
1987-10-20
Czaja, Donald E.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work feeding or handling means
100 93RP, 100155R, 100155G, 156581, 156582, B30B 304, B32B 3120
Patent
active
047012404
ABSTRACT:
A calendering device has a plurality of pressure rollers and an opposing plurality of counterpressure rollers, each rotatably mounted on a piston rod movable in a direction for permitting the pressure rollers and counterpressure rollers to approach one another to calender a product. The pistons of the piston rods are mounted within pneumatic casings and are moved by a diaphragm within the pneumatic casings. There is no contact between the pistons and the walls of the pneumatic casings, thereby reducing the frictional resistance to the movement of the rollers. Means are provided for equalizing the pressure applied to a roller and its corresponding counter roller. Separate pneumatic casings and diaphragms may be provided for each piston rod, or several of the pressure rollers or countepressure rollers may be moved by a single diaphragm, which can be in the form of an elongated hose. In the case of the provision of individual pneumatic casings for each roller, pressure regulating means can be provided for each pair of a pressure roller and its corresponding counterpressure roller.
REFERENCES:
patent: 1085818 (1914-03-01), Oxnard
patent: 2662564 (1953-12-01), Payzant
patent: 2983635 (1961-05-01), Richardson
patent: 3969991 (1976-07-01), Comstock
patent: 4327634 (1982-05-01), Colmon
Kraemer Johannes
Leclere Klemens
Nuding Werner
Schilde Heinz-Josef
Czaja Donald E.
Davis J.
Saint-Gobain Vitrage
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