Hose Coupling

Details Hose Coupling Hose Coupling

1989-05-01

1990-11-13

Arola, Dave W.

Pipe joints or couplings

Nonmetal to metal

Internal member

285319, 285921, F16L 3320

Patent

active

049696696

ABSTRACT:
A coupling which establishes a separable fluidtight connection between the nipple of a pipe and an end portion of a hose has a composite sleeve with a tubular first section which is insertable into the end portion of the hose and a separately produced second section which is form-lockingly connected to the first section and has one or more prongs engageable with a retainer at the exterior of the nipple. The end portion of the hose is sealingly clamped between the first section of the sleeve and a tubular member which is integral with one axial end of the first section to define with the latter an annular space for the end portion of the hose. One or more sealing rings are inserted into one or more grooves in the external surface of the nipple and/or in the internal surface of first section of the sleeve. The two sections of the sleeve can but need not be made of the same material, and the prong or prongs of the second section can be made of resilient or ductile material. The second section has a washer-like carrier with one or more axially parallel prongs or a tubular carrier which surrounds the tubular member and carries one or more prongs.

REFERENCES:
patent: 2094147 (1937-09-01), Forsberg
patent: 2260221 (1941-10-01), Gray
patent: 3133777 (1964-05-01), Anhult
patent: 4486034 (1984-12-01), Sauer
patent: 4730856 (1988-03-01), Washizu

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