Trap-type drain fitting

Details Trap-type drain fitting Trap-type drain fitting

1980-02-15

1981-04-21

Weakley, Harold W.

Liquid purification or separation

Structural installation

Grated inlet surface drain

13724727, 13724745, 137602, E03F 506

Patent

active

042631386

ABSTRACT:
A trap-type drain fitting is comprised of a base, an intermediate part, and an insert. The base has a lateral outlet connection and an outer wall having a base rim and an inner wall spaced radially inwardly from this outer wall. The intermediate part has an outer part edge complementarily interfitting with the base rim and with a part rim above and within the outer edge. This intermediate part also has a laterally extending inlet connection that can be positioned at any angle relative to the outlet connection of the base, and the inlet connection is connected to a downwardly extending inlet tube that opens at the bottom of the well formed by the inner wall of the base. Finally the insert sits on the part rim and has a downwardly extending tube that opens above the bottom of the well, so as to form a gas trap and a separate inlet for the fixture.

REFERENCES:
patent: 871836 (1907-11-01), Wade
patent: 1593083 (1926-07-01), Kirchhan
patent: 2938437 (1960-05-01), Daley
patent: 3042210 (1962-07-01), Hattori
patent: 3066802 (1962-12-01), Hoffler

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