Pipe joints or couplings – Nonmetal to metal – Internal member
Patent
1992-02-24
1993-06-01
Wilson, Neill R.
Pipe joints or couplings
Nonmetal to metal
Internal member
285319, 285921, F16L 3300, F16L 4700, F16L 4900
Patent
active
052153398
ABSTRACT:
The invention is an improved fluid transport conduit coupling having a substantially tubular stem defining a central bore terminating at each end in first and second perimeter openings, a conduit insert including a body member having opposing first and second portions and adapted to receive said stem, and latching means for limiting axial movement between the stem and the conduit insert upon sealing engagement of the stem and the conduit insert. The improvement includes a latch support means disposed on the stem and at least one disengagement slot proximate the first perimeter opening, and at least one radially deflectable locking beam extending substantially axially from the first portion of the body member conduit insert. The improvement also includes the support means being engageable with the locking beam to selectively limit axial movement of the conduit insert relative to the stem upon sealing engagement thereof, with the disengagement slot permitting relative disengagement of the locking beam with the support means. The improvement further includes seal means interposed between the stem and the conduit insert for preventing fluid flow therebetween.
REFERENCES:
patent: 1890348 (1932-12-01), Weatherhead, Jr.
patent: 4969667 (1990-11-01), Sauer
patent: 4969668 (1990-11-01), Sauer
patent: 4978149 (1990-12-01), Sauer
patent: 5044675 (1991-09-01), Sauer
patent: 5080404 (1992-01-01), Sauer
patent: 5082315 (1992-01-01), Sauer
patent: 5094493 (1992-03-01), Sauer
Johnston Jon A.
Morse George E.
Rubischko Richard J.
Austin Steven G.
Isaac John L.
Oberg H. W.
The Gates Rubber Company
Wilson Neill R.
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