Pipe joints or couplings – Essential catch – Coil spring
Patent
1998-09-14
1999-09-14
Nicholson, Eric K.
Pipe joints or couplings
Essential catch
Coil spring
285302, 285351, F16L 3902
Patent
active
059510650
ABSTRACT:
In a quick-fitting pipe union for sealingly connecting two pipes (1 and 4) comprising an annular cage (8) fitted on the outer side of the one pipe (4) and fitted inside with an annular helical spring (9). When the pipes (1 and 4) are slid axially into one another, the spring latches over a flange (2) of the receiving pipe (1). The annular cage (8) with the sealing means (6/7) is fitted after the enlargement (5) is loosely slidable relative to the receiving pipe.
REFERENCES:
patent: 4055359 (1977-10-01), McWethy
patent: 4606564 (1986-08-01), Kurachi
patent: 4632434 (1986-12-01), Proctor et al.
patent: 5002314 (1991-03-01), Smith
patent: 5364131 (1994-11-01), Hartsock et al.
patent: 5425558 (1995-06-01), Dennany, Jr.
patent: 5738384 (1998-04-01), Boehme
Boehme Dietmar
Kock Christof
Roesner Thomas Wilhelm
Coppiellie Raymond L.
Ford Motor Company
Nicholson Eric K.
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