Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1977-08-12
1979-02-27
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
100232, 100237, 156563, 156580, 156566, B32B 3100
Patent
active
041417755
ABSTRACT:
A hydraulic board-laminating press comprises a series of laterally aligned hydraulic clamps supported in an inclined plane, each clamp having one fixed and one movable clamping jaw defining an upwardly opening mouth for receiving boards. The positions of the fixed jaws are adjustable along the inclined plane for providing camber in the beam produced. A series of infeed conveyor arms spaced along the lower side of the press deliver boards, adhesive-coated on one face, edgewise and one at a time into the mouths of the clamping jaws. An outer section of each conveyor arm can be extended and retracted toward and away from the clamps and can be raised and lowered so that the outer ends of the arms deliver boards into various positions within the space between jaw pairs to stack boards within the jaws along the inclined plane of the clamps. When the clamp spaces are filled with multiple stacks of boards, a low clamping pressure is applied to the stacks through the clamping jaws in a direction paralleling the inclined plane. Then overhead alignment bars operated by hydraulic pressure are lowered between adjacent clamps to apply edgewise squaring pressure to the board stacks within the clamps. While the alignment bars continue to apply a squaring pressure, a high bonding pressure is applied to the stack through the clamping jaws and maintained until the adhesive between boards has set.
REFERENCES:
patent: 2172093 (1939-09-01), Thompson et al.
patent: 2290548 (1942-07-01), Galber
patent: 2300728 (1942-11-01), Goss
patent: 2658630 (1953-11-01), Melin
patent: 2919732 (1960-01-01), McKean et al.
patent: 3367823 (1968-02-01), Clausen et al.
patent: 3524785 (1970-08-01), Feiglin
patent: 3616090 (1971-10-01), Larson
Westfall Glen A.
Williams Vernon L.
Bohemia, Inc.
Gallagher J. J.
Powell William A.
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