Fiberglass reinforced fixture with finished polymeric cap

Details Fiberglass reinforced fixture with finished polymeric cap Fiberglass reinforced fixture with finished polymeric cap

2007-10-09

2007-10-09

Huynh, Khoa D. (Department: 3751)

Baths, closets, sinks, and spittoons

Wash receptacles

C004S553000, C004S593000, C004S635000, C004S660000

Reexamination Certificate

active

10158708

ABSTRACT:
Polymeric plumbing fixtures such as sinks, lavatories and tubs are disclosed that comprise a thermoformed or molded interior shell having a top side with a relatively smooth, polymeric surface; a polymeric reinforcing layer bonded to the underside of the shell; and a thermoformed or polymeric cap nestably engageable with the underside of the reinforced shell. The cap cooperates with the shell to encapsulate the reinforcing layer and the reinforcing layer bonds the cap the shell to form a unitary structure. The polymeric cap thereby provides an attractive, finished surface on the underside of the resultant fixture. The structural configuration disclosed herein is particularly preferred for use in making kitchen sinks. A method for making the subject fixtures is also disclosed.

REFERENCES:
patent: 3673617 (1972-07-01), Schulz, Jr.
patent: 3720540 (1973-03-01), Wimmer
patent: 4179760 (1979-12-01), Nakagawa
patent: 4289717 (1981-09-01), Bortz
patent: 4657806 (1987-04-01), Dutt
patent: 5016297 (1991-05-01), Sauter et al.

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