Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent
1981-09-04
1982-10-12
Callaghan, Thomas F.
Pipe joints or couplings
With assembly means or feature
Particular tool-engaging means or with tool
285158, 285 19, 285354, 285369, 285DIG2, 285DIG19, F16L 4100
Patent
active
043535801
ABSTRACT:
An apparatus for removably attaching a pipe to a vessel wall having a short tubular body with the inner end adapted to be attached to a vessel wall to provide communication with an opening in the vessel, the outer end of the body having external threads and an integral reduced internal diameter portion of slightly larger internal diameter than the external diameter of the pipe to be received and a semi-circular cross-sectioned gasket receiving recess in the outer end, a circular flange having an opening therethrough of internal diameter slightly greater than the external diameter of the pipe to be attached and having internal threads dimensioned to engage the body threads and providing a planar gasket engaging surface, and a toroidal gasket dimensioned to be received on the pipe and within the semi-circular groove of the tubular body, the end of the pipe to be secured being positioned within the body and flange whereby when the flange is threadably advanced onto the body the gasket is forced into sealed engagement with the external surface of the pipe and the pipe is sealed by the flange even when in imperfect axial alignment with the body.
REFERENCES:
patent: 694140 (1902-02-01), Crawford
patent: 1327106 (1920-01-01), Leahy
patent: 1848198 (1932-03-01), Reid
patent: 2021745 (1935-11-01), Pfefferle et al.
patent: 3735928 (1973-05-01), Watts et al.
patent: 3865410 (1975-02-01), Chen
patent: 3880452 (1975-04-01), Fields
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