Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1996-05-08
1998-05-26
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156214, 156245, 156285, 156311, 156358, 156359, 156366, 156498, B32B 3100
Patent
active
057559015
ABSTRACT:
A method and apparatus (84, 94) for controlling an assembly for bonding a cover (22) over the undulating surface of a foam cushion (10) by controlling a ram actuator cylinder (90) to lift a ram (14) to permit placing the foam cushion (10) on a tool (18), lowering the ram (14) to pierce the cushion (10) with a plurality of needles (44), lifting the ram (14) to lift the cushion (10) which is frictionally retained on the needles (44), controlling a heater (38) to heat ambient air and ejecting the hot air from the needles (44) into the cushion (10) to elevate the temperature of the cushion. A pair of plate actuator cylinders (62) are controlled to dispose a compression plate (58) with holes (60) extending therethrough against the backside of the cushion (10) with the needles (44) extending through the holes (60). The ram (14) is lowered to place the undulating surface of the cushion (10) against an adhesive material (82) on the backside of the cover (22) so that heat is transferred from the cushion (10) to melt the adhesive (82). The ram is raised to extract the needles (44) from the cushion (10) as the compression plate (58) is maintained in place to hold the cushion (10) against the cover (22) and the tool (18) and an air cooler (70) is controlled to eject cool air from passages (68) in the compression plate (58) and into the cushion (10) to cure the adhesive (82) and bond the cover (22) to the cushion (10).
REFERENCES:
patent: 2726707 (1955-12-01), Wellons et al.
patent: 3960069 (1976-06-01), Bowyer
patent: 3979248 (1976-09-01), Kussmaul
patent: 4379018 (1983-04-01), Griesdorn
patent: 4692199 (1987-09-01), Kozlowski et al.
patent: 5372668 (1994-12-01), Bracesco
"Hot Air Systems," Osram Sylvania, Inc., Product Marketing Bulletin, Nov. 1994.
"Temperature Controller," GTE Sylvania, Instruction Manual, Nov. 1994.
Lear Corporation
Rivard Paul M.
Simmons David A.
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