Drain

Details Drain Drain

1987-01-22

1987-09-22

Recla, Henry J.

Baths, closets, sinks, and spittoons

Strainer, stopper, plug or closure

Combined strainer and pipe coupling

4613, 285 4, 285158, E03C 126

Patent

active

046945130

ABSTRACT:
A drain for a tile-covered concrete floor over a plywood form base. The drain has an annular internally screw-threaded base member with a bottom flange that can be nailed or screwed to the form base, an annular body member threadedly received in the base member and having its lower end fitting with a drain pipe, a membrane and a dished membrane retainer overlying a top flange on the body member, a clamping ring screwed onto the outside of the upper end of the body member above the membrane retainer, and an annular strainer support screwed into the upper end of the body member and providing a seat for a strainer plate.

REFERENCES:
patent: 2299705 (1942-10-01), Suirsky
patent: 3742525 (1973-04-01), Oropallo
patent: 4067072 (1978-01-01), Izzi
patent: 4092745 (1978-06-01), Oropallo
patent: 4146939 (1979-04-01), Izzi
patent: 4261598 (1981-04-01), Cornwall
patent: 4505814 (1985-03-01), Marshall

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