Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1992-04-30
1993-08-31
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156267, 156292, 1563042, 1563046, 1563084, 156499, 264249, 2961801, B29C 6520
Patent
active
052405362
ABSTRACT:
A method for manufacturing a hollow air spoiler comprising the steps of setting upper and lower parts molded from thermoplastic synthetic resin material by the injection molding method to upper and lower fixed jigs, placing a heater device between the upper and lower parts, pressurizing the upper and lower fixed jigs by bringing them together under pressure, contacting the outer layers of end faces of the upper and lower parts to the heater device under pressure, opening the upper and lower fixed jigs at the time point it has reached a desired melting degree from the outer layers of the end faces toward inside, removing the heater device from the upper and lower fixed jigs, closing the upper and lower fixed jigs, maintaining the pressure until it has reached to a desired dimension directing inwardly from the outer layers of the end faces, opening the upper and lower fixed jigs to remove a product therefrom at the time point the molten thermoplastic synthetic resin material is fixed and united, removing an outwardly expanded portion of synthetic resin material owing to welding under pressure to obtain an intermediate product, and applying a coating to the intermediate product to obtain a finished product.
REFERENCES:
patent: 3802943 (1974-04-01), Province
patent: 3846208 (1974-11-01), McElroy
patent: 4443288 (1984-04-01), Sawada et al.
patent: 4960478 (1990-10-01), Newkirk et al.
Lorin Francis J.
Sakae Riken Kogyo Co., Ltd.
Weston Caleb
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