Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1996-10-08
1998-03-24
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 466, 264 467, 264276, 264278, B29C 4406, B29C 4412
Patent
active
057309175
ABSTRACT:
A method of molding a headrest of automotive seat comprises the following steps. First, a bag shaped flexible outer skin member is prepared, has an elongate slit formed therethrough. A part of a stay member is inserted into the outer skin member through the slit and set relative to the outer skin member. A given biasing force is applied to longitudinal ends of the slit so that the slit is stretched in longitudinally opposed directions and thus caused to take a closed position. Then, an injection nozzle of a foamable material feeder is put into the slit by expanding the slit against the biasing force. A foamable material is poured into the outer skin member, and the material feeding is stopped when a given amount of material is fed to the outer skin member. The application of the biasing force to the slit is continued until the material is sufficiently cured.
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WPI Abstract Accession No. 96-420780/42 & JP 8207061A (Tachi-s) Aug. 13, 1996.
WPI Abstract Accession No. 89-027424/04 & JP 63299908A (MTP) Dec. 7, 1988.
Ishikawa Yoshiharu
Kimura Syuzaburo
Satoh Tohru
Yamano Eiichi
Yasuno Masatoshi
Ikeda Bussan Co. Ltd.
Kuhns Allan R.
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