Drain trap

Details Drain trap Drain trap

1993-02-11

1994-12-27

Cintins, Ivars

Liquid purification or separation

Structural installation

Grated inlet surface drain

4292, 210483, B01D 3502

Patent

active

053762649

ABSTRACT:
A drain trap apparatus is provided for preventing the passage of debris into a drain opening which includes a disposable filter and which allows complete drainage of the wastewater. The drain trap has an annular support member which is semi-permanently attached around the drain opening. A passageway extends radially through the support member so that water will be allowed to pass through the support member. A filter, preferably of a flexible plastic mesh material, is removably attached to the support member by a plurality of hook members, such as the hook portion of a hook and loop fastener.

REFERENCES:
patent: Re31561 (1984-04-01), Thompson
patent: 814481 (1906-03-01), Savard
patent: 1203530 (1916-10-01), Gessler
patent: 2690569 (1954-10-01), Kozerski
patent: 2695411 (1954-11-01), Vinokor
patent: 3742524 (1973-07-01), Ballentine
patent: 3982289 (1976-09-01), Robbins
patent: 4146939 (1979-04-01), Izzi
patent: 4199827 (1980-04-01), Tuleja
patent: 4207631 (1980-06-01), Baggey
patent: 4301557 (1981-11-01), Walraven
patent: 4471497 (1984-09-01), Riutort et al.
patent: 4671976 (1987-06-01), Vidal
patent: 4825477 (1989-05-01), Aranda
patent: 4910811 (1990-03-01), Izzi

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