Pipe joints or couplings – Convertible
Patent
1986-06-06
1988-02-02
Callaghan, Thomas F.
Pipe joints or couplings
Convertible
285177, 285179, 285903, F16L 5500
Patent
active
047225564
ABSTRACT:
An adapter for coupling a corrugated drainpipe to a sewage disposal site employs a tubular member which is hollow throughout its length for connecting the drainpipe in fluid communication with a sewage disposal site. The tubular member has a drainpipe end portion having a complementary shape and size adapted to engage threadably an end of a corrugated drainpipe, and a sewer inlet end portion adapted to be inserted through an inlet opening of a sewage disposal site. A helically-shaped thread extending axially along the drainpipe end portion is complementary sized and shaped relative to the corrugations of the corrugated drainpipe to enable threaded engagement of the corrugated drainpipe, while a nozzle section of the sewer inlet end portion has an outside diameter progressively decreasing toward a distal end of the sewer inlet end portion, both for enabling the sewer inlet end portion to generally mate with an inlet opening into which the sewer inlet end portion is inserted and for engaging the disposal site structure defining the inlet opening to thereby cover over the inlet opening.
REFERENCES:
patent: 2556627 (1951-06-01), Miksis
patent: 3741179 (1969-10-01), Sixt
patent: 3757280 (1973-09-01), Staschewsri
patent: 3797865 (1974-03-01), Ballentyne
patent: 4173989 (1979-11-01), Prest
Callaghan Thomas F.
Kleinke Bernard L.
Toddco Partnership
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