Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Patent
1979-03-22
1980-07-01
Anderson, Philip
Baths, closets, sinks, and spittoons
Dry closets
With heating meas
4651, 264 465, 264 469, 428 15, 428304, 428315, E03C 118, B29D 2704
Patent
active
042098629
ABSTRACT:
A method and apparatus for manufacturing reinforced composite marble-like sinks and bathtubs. A sandwiched article is provided and wherein a polyurethane foam filler is interposed between a solid marble mix layer and a reinforcing layer of fiberglass reinforced resin embedded in the marble mix layer. The foam layer reduces the overall weight of such lavatory structures.
REFERENCES:
patent: 3433860 (1969-03-01), Ruggles et al.
patent: 3673617 (1972-07-01), Schulz
patent: 3826629 (1974-07-01), Pryor et al.
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