Pipe joints or couplings – Convertible
Patent
1990-11-15
1992-04-14
Arola, Dave W.
Pipe joints or couplings
Convertible
285177, 285175, 285247, 285150, 285155, 285156, 285423, 285901, 285906, 285238, 138 89, F16L 2500
Patent
active
051041502
ABSTRACT:
A tee shaped fitting for connecting together porous and non-porous irrigation tubing and also threaded garden hose as desired in which the three openings each have exterior male threads to engage the hose and interior compression rings to engage the tubing. The fitting is closable at one or more openings with caps so that the one fitting can be used as an elbow, coupling, tee, or end cap thus avoiding the stocking or purchase of many different kinds of fittings.
REFERENCES:
patent: 826678 (1906-07-01), Marks
patent: 1687445 (1928-10-01), Hazard
patent: 2940777 (1960-06-01), Lundberg
patent: 3971577 (1976-07-01), Schemith
Bard Shannon
Prassas Thomas N.
Aquapore Moisture Systems
Arola Dave W.
Jacobs Marvin E.
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