Pipe and its retainer in a tank

Details Pipe and its retainer in a tank Pipe and its retainer in a tank

1987-07-21

1988-09-20

Spitzer, Robert

Liquid purification or separation

With repair or assembling means

210513, 2105322, 285 24, 285 27, 285158, B01D 2102, F16L 3500

Patent

active

047723890

ABSTRACT:
In a septic tank, an elbow pipe mounted therein and a keyway made in the top wall of the tank and longitudinally aligned with a circular opening formed in an end wall adjacent the top wall of the tank. The elbow pipe has a key adapted for outward sliding engagement in the keyway. The elbow pipe fits within a sealing gasket adapted to snap into the circular opening of the end wall and its end portion is threaded. A connector sleeve is screwed on the end of the elbow to secure the elbow within the gasket and to receive a drain pipe glued within the sleeve.

REFERENCES:
patent: Re32312 (1986-12-01), Crates et al.
patent: 2440762 (1948-05-01), Sitton
patent: 2564172 (1951-08-01), Raaberg et al.
patent: 3162469 (1964-12-01), Shohan
patent: 3221881 (1965-12-01), Weiler et al.
patent: 3331620 (1967-07-01), Rickard
patent: 3426903 (1969-02-01), Olecko
patent: 3709527 (1973-01-01), Nations
patent: 3889984 (1975-06-01), Lambiris
patent: 3986963 (1976-10-01), Maroschak
patent: 4019760 (1977-04-01), Streit
patent: 4635966 (1987-01-01), Hermann
patent: 4681684 (1987-07-01), Maroschak et al.

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