Pipe joints or couplings – Elbow
Patent
1992-12-07
1993-11-02
Nicholson, Eric K.
Pipe joints or couplings
Elbow
285 12, 285177, 285247, 285150, 285155, 285423, 285238, F16L 2500
Patent
active
052578267
ABSTRACT:
A fitting for connecting together porous and non-porous irrigation tubing, threaded garden hose, and pipe with conventional pipe thread. Some openings in the fitting have both exterior male threads to engage the hose and interior compression rings to engage the tubing. Another opening in the fitting is provided with pipe threads to allow connection to ordinary threaded risers used in underground distribution systems.
REFERENCES:
patent: 3958761 (1976-05-01), Watanabe
patent: 4722481 (1988-02-01), Lemkin
patent: 4810008 (1989-03-01), Brodie
patent: 4971366 (1990-11-01), Towsley
patent: 5069388 (1991-12-01), Prassas et al.
patent: 5104150 (1992-04-01), Bard et al.
patent: 5131597 (1992-07-01), Bard et al.
Bard Shannon
Prassas Thomas N.
Aquapore Moisture Systems, Inc.
Jacobs Marvin E.
Nicholson Eric K.
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