Pipe joints or couplings – Nonmetal to metal – Internal member
Patent
1991-12-24
1992-11-24
Nicholson, Eric K.
Pipe joints or couplings
Nonmetal to metal
Internal member
285259, F16L 3300
Patent
active
051657333
ABSTRACT:
A fitting is described for connecting an elastic hose (152) to a system through which a fluid is transmitted. The fitting, based on common barbed fittings, has an angled conical surface (8) which forms a smoothly curved line as the boundary between the surface and the base of the barb. As an integral way to resist rotation of hose (152), which engages hose (152) on its inner surface, one emboidment of the present device is designed with ribs (6) on conical surface (8), while another embodiment maintains such features (designated as 125) on stem (11) of the fitting. The anti-rotation feature is designed in such a way as to minimize any tendency of the anti-rotating feature to diminish the sealing properties of barb (2 or 121). Such a goal naturally is accomplished through physical parameters of the ribbed protrusions, such as height, shape, and length.
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Nicholson Eric K.
Santangelo Luke
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