Cutting and heat sealing apparatus for vehicle seat inserts

Details Cutting and heat sealing apparatus for vehicle seat inserts Cutting and heat sealing apparatus for vehicle seat inserts

1985-11-04

1987-11-24

Czaja, Donald E.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156 93, 156251, 156363, 156515, 156522, 156552, 156556, 1565831, B32B 3110, B32B 3112, B32B 3120

Patent

active

047087609

ABSTRACT:
An improved apparatus for producing laminated articles such as vehicle seat inserts. A continuous web of foam riser material is intermittently advanced along the apparatus by chain drag conveyor means. Fabric cover panels are longitudinally spaced on the upper surface of the web and sewn thereto at an upstream sewing machine station. The conveyor means advances the web together with the panels to a platen press station wherein a press plate moves to insert cutting and heat sealing dies into engagement with the laminated material. A laminated insert pattern is cut from both the web and overlying cover and thereafter heat sealed around its outer perimeter by bonding means sandwiched between the panel and web. A photocell sensing arrangement is adapted to normally see-through the web such that it senses the trailing edge of each advancing panel. A control circuit, on receiving a signal from the photocell, triggers counter means thereby advancing the conveyor means one panel length such that each succeeding panel has its trailing edge aligned with the die upstream border. By virtue of sensing each panel's trailing edge, the panels may be positioned on the web with variable width longitudinal spaces therebetween. It is a requirement that the spaces have a minimum dimension enabling the photocell to reset the counter means prior to the arrival of the next panel.

REFERENCES:
patent: 2140711 (1938-12-01), Mitchell
patent: 3520755 (1970-07-01), Scholl et al.
patent: 3936041 (1976-02-01), Shiina et al.
patent: 4610533 (1986-09-01), Takahata

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