Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1978-07-07
1980-02-19
Massie, Jerome W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156322, 156499, 156538, 156556, 156580, C09J 502
Patent
active
041893409
ABSTRACT:
A method for bonding together surfaces of two three-dimensional articles of foamed thermoplastic material along mutual abutting bonding surfaces. The method includes securing a pair of discrete articles together in a fixture means in a first mounting position with the bonding surfaces being disposed in substantially mutually abutting relationship to form a juncture zone. Thereafter, a heated element such as a heated wire or knife is passed through the juncture zone at a predetermined rate and into contact with both of the bonding surfaces, and with a parting line separation plate preferably leading the heated wire or knife through the juncture zone, thereby fusing portions of the edges of both discrete articles. A programmed motion is thereafter applied to at least one of the discrete articles to move the opposed abutting surfaces together and into contact along the bonding surfaces, with the motion moving the articles into a second bonding and setting position. The programmed motion is applied along a certain plane with the leading edge of the programmed motion lagging the motion of the heated element along a plane generally parallel to the plane of motion of the heated element, with the second bonding and setting position of the articles being maintained along substantially the entire area of the bonding surfaces until the fused portions become solidified.
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patent: 3016085 (1962-01-01), Gassner
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patent: 3408242 (1968-10-01), Rochla
patent: 3411969 (1968-11-01), Ragan et al.
patent: 3799820 (1974-03-01), Sollerud
patent: 3897296 (1975-07-01), Waldrum
Haugen Orrin M.
Massie Jerome W.
Nikolai Thomas J.
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