Pipe joints or couplings – End to side or plate
Patent
1997-05-28
1999-09-14
Arola, Dave W.
Pipe joints or couplings
End to side or plate
2851334, 285179, 285197, 285423, 285906, 285915, 2989014, F16L 4108
Patent
active
059510625
ABSTRACT:
The present invention provides a saddle-less fitting having a stepped outer wall surface. The stepped outer wall surface includes a first and second surface and a step. The step includes a first bowed band surface extending from the first outer wall surface a predetermined distance inward towards the inner wall surface. The fitting further includes an insertion portion which includes the second outer wall surface and a second bowed band surface. The first bowed band surface and the second surface are bonded to a prepared pipe with a bonding agent. A more liberal application of the bonding agent may be employed to cause the other fitting and pipe surfaces to further bond together. Once the bonding agent hardens, or becomes cured, a unitary structure is formed which provides a leak-free tap.
REFERENCES:
patent: 1883439 (1932-10-01), Adams
patent: 3649055 (1972-03-01), Nilsen
patent: 5203943 (1993-04-01), Nornberg et al.
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