Drain plug

Details Drain plug Drain plug

1986-10-20

1987-08-04

Artis, Henry K.

Baths, closets, sinks, and spittoons

Strainer, stopper, plug or closure

Plugs

4286, 138 89, A47K 114

Patent

active

046835970

ABSTRACT:
A drain plug for sealing the waste and overflow drain assemblies during construction and system testing. A threaded bolt extends through a rubber washer. The bolt is screwed into a tapped hole in the shoe assembly of the drain, providing a secure plug that will not blow out during system testing. A sleeve may be employed on the bolt to allow ease of access to the bolt when deep drains are plugged.

REFERENCES:
patent: 2155491 (1939-04-01), Jacobs
patent: 2245887 (1941-06-01), Wikanden
patent: 2479862 (1949-08-01), Payne
patent: 2750601 (1956-06-01), Houle
patent: 2993616 (1961-07-01), Canlile, Jr. et al.
patent: 3509918 (1970-05-01), Muzinich
patent: 3618809 (1971-11-01), Martino
patent: 3749131 (1973-07-01), Burger
patent: 4493344 (1985-01-01), Mathison et al.

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