Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1983-04-08
1985-04-30
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
4236, 249157, 249162, 425577, B29F 1022, A47K 1312
Patent
active
045143560
ABSTRACT:
A toilet seat hinge has elongated male connector portions provided with saw-toothed shaped upper and lower surfaces which are inserted in female openings in the rear surface of a soft toilet seat and a soft toilet seat cover. The male connector portions lockingly engage with lock lugs provided in a rigid molded bed plate in the seat and cover to prevent retention so that the hinge is permanently connected to the seat and cover following insertion of the male connector member. Another aspect of the invention resides in a novel molding method in which two movable mold components provide openings extending both vertically and horizontally in a molded item.
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patent: 3473197 (1969-10-01), Wilds et al.
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patent: 3551936 (1971-01-01), Kutik et al.
patent: 3685933 (1972-08-01), Schneider
patent: 3816047 (1974-06-01), Mohler
patent: 3930780 (1976-01-01), Lovejoy
patent: 4230657 (1980-10-01), Haack et al.
patent: 4315338 (1982-02-01), Harrison
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