Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...
Patent
1984-09-04
1986-09-02
Silbaugh, Jan
Metal working
Method of mechanical manufacture
Combined manufacture including applying or shaping of fluent...
264516, 425DIG33, B21D 500, B29C 4920
Patent
active
046087443
ABSTRACT:
At the time of blow molding of a frame made of synthetic resin in the shape of a hollow plate, a molding process of the frame of a seat for vehicles which comprises a reinforcement plate in the shape of with leg portions substantially equal to the thickness of the frame plate is mounted within a molding die, thereby forming said reinforcement plate so as to be embedded within said frame. Furthermore, the upper and lower plates of the frame may be connected to each other by means of the leg portions of said reinforcement plate in the shape of so that a frame with a closed construction may be formed.
REFERENCES:
patent: 2789346 (1957-04-01), Algier et al.
patent: 3742995 (1973-07-01), Confer et al.
patent: 4342799 (1982-08-01), Schwochert
Silbaugh Jan
Tachikawa Spring Co. Ltd.
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