Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1993-09-07
1995-03-07
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156285, 29745262, B32B 3112, B32B 3120
Patent
active
053954734
ABSTRACT:
Seat cushions and backs comprising a foam bun and a trim cover are made by applying a molten hot melt bead to the trim cover or the foam bun in a predetermined pattern that matches or produces style conformations in the seating portion, pressing the trim cover and the foam cushion together in localized areas within a predetermined amount of time with a tool that has rails arranged in the same predetermined pattern to establish intimate contact of the cover and bun with the hot melt bead, and holding the trim cover and the foam cushion in intimate contact with the hot melt bead for a predetermined amount of time while the hot melt bead cools and bonds the trim cover to the foam cushion beneath the style conformations. The tool or at least the rails preferably provide a heat sink to facilitate cooling the hot melt adhesive bead. The bonding method can be used with a wide variety of seating materials including heat-sensitive seating fabrics and laminates and foam-backed seating materials.
REFERENCES:
patent: 3654019 (1972-04-01), Cusick
patent: 3878020 (1975-04-01), Huffaker
patent: 4229240 (1980-10-01), Borgiani
patent: 4692199 (1987-09-01), Kozlowski et al.
patent: 4708760 (1987-11-01), Mark
patent: 4795517 (1989-01-01), Elliot
patent: 5000805 (1991-03-01), Lowe
patent: 5100732 (1992-03-01), Benefiel
patent: 5236243 (1993-08-01), Reyes
Ball Michael W.
General Motors Corporation
Grove George A.
Stemmer Daniel J.
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