Pipe joints or couplings – Nonmetal to metal – Internal member
Patent
1988-11-08
1990-01-16
Arola, Dave W.
Pipe joints or couplings
Nonmetal to metal
Internal member
285259, 285423, 285906, 285921, F16L 3320
Patent
active
048938483
ABSTRACT:
A coupling assembly for hoses, fabricated of plastic and comprising one-piece male and multi-piece snap together female coupling sections. The male section includes an externally threaded fitting and an integral hub adapted to fit over the end of a hose section, the hub having internal circumferential ribs or barbs. A ferrule inserted into the hose expands the hose wall into engagement with the barbs for securing the section to the hose. The female section includes an annular collar likewise fitted over and secured to the end of a hose section. An annular flange is formed on the collar, and an internally threaded connector is provided, including an inwardly turned annular lip adapted to snap over and engage behind the flange for rotatably mounting the connector on the collar. The barbs are specially configured to bite into the hose material and resist separation of the coupling section from the hose in response to axial forces tending to pull them apart.
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Arola Dave W.
Winzeler Stamping Company
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