Toilet seat and lid assembly

Details Toilet seat and lid assembly Toilet seat and lid assembly

1998-06-02

2000-12-05

Walczak, David J.

Baths, closets, sinks, and spittoons

Seat and lid

4237, 4240, A47K 1300

Patent

active

061548928

ABSTRACT:
A toilet seat and lid, each comprising a rigid insert injection molded of reinforced thermoplastic material. Each insert is then over-molded by injection molding with a thermoplastic elastomeric material which provides the outer surface of seat and lid. The inserts are dimensioned with respect to their over-molded surfaces to be smaller than the finished seat and lid and are designed to give maximum strength to the seat and lid. Each insert is shaped to promote the flow of the over-mold material and to minimize shrinking, swelling or distortion of the insert. The elastomeric material is preferably chemically compatible with the inserts to allow a chemical as well as mechanical bond to take place. The over-molded material provides the desired soft, non-slip, warm to the touch outer characteristics of the seat and lid.

REFERENCES:
patent: 3073937 (1963-01-01), Easley
patent: 3854150 (1974-12-01), Samuels et al.
patent: 3863277 (1975-02-01), Herrison
patent: 3988789 (1976-11-01), Blount
patent: 4085496 (1978-04-01), Seiderman
patent: 4244764 (1981-01-01), Ginsburg
patent: 4318213 (1982-03-01), Blount
patent: 4983647 (1991-01-01), Ueno et al.
patent: 5426793 (1995-06-01), Mac

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