Liquid purification or separation – Filter – Pipe or plate attached type
Patent
1992-04-30
1995-07-11
Drodge, Joseph W.
Liquid purification or separation
Filter
Pipe or plate attached type
523027, 13762532, 138 89, 138 96R, 210463, B01D 3502
Patent
active
054318157
ABSTRACT:
An adapter for a fluid conduit comprises a stepped diameter tubular member having an enlarged end portion with a plurality of piercable recesses formed thereon, a generally cup shaped obturator, and a removable sieve disposed therein. The recesses formed around the outer periphery of the enlarged end portion can be selectively pierced so as to form fluid passages with the perforated end portion acting as a filter for drainage water entering the adapter. The open end of the adapter and any perforations formed thereon can be closed off by inserting the cup shaped obturator therein. The sieve is similarly provided with piercable recesses thereon and can function as a secondary internal filter. A further fluid conduit can subsequently be connected to the adapter by inserting an end thereof into the adapter until abutment with the inner shoulder therein is reached.
REFERENCES:
patent: 1681394 (1928-08-01), Carlson
patent: 1739067 (1929-12-01), Fleming
patent: 1805816 (1931-05-01), Fleming
patent: 2695678 (1954-11-01), Sisk
patent: 3285289 (1966-11-01), Titus
patent: 3552441 (1971-01-01), Luhleich
patent: 4313286 (1982-02-01), Harbeke
patent: 4883590 (1989-11-01), Papp
patent: 5099887 (1992-03-01), Hooper
patent: 5154024 (1992-10-01), Noel
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