Pipe joints or couplings – Elbow
Patent
1993-08-10
1995-02-21
Arola, Dave W.
Pipe joints or couplings
Elbow
285424, 285331, F16L 2500
Patent
active
053909674
ABSTRACT:
A connector system for coupling first and second venting devices, at least one of which comprises a flexible vent pipe, includes a venting device connector having first and second ends. A first end of the venting device connector includes an inner vent member having an outside diameter smaller than the inside diameter of the flexible pipe to which it is to be coupled. An outer flexible vent pipe restraining member circumferentially surrounds an end portion of the inner vent member and has an inside diameter substantially larger than the inner vent member, and generally larger than the outside diameter of a grooved exterior region of the flexible vent pipe to which the connector is to be coupled. A circumference reducer allows the first end of the venting device connector to be securely and releasably attached to the flexible vent pipe. A second end of the venting device includes a venting device engaging member which is in fluid communication of the inner vent member of the first end of the venting device, for engaging with the other venting device, and for securely coupling the first and second venting devices in fluid communication, for allowing venting of gases from one of the first and second venting devices to the other.
REFERENCES:
patent: 216991 (1879-07-01), Abbott
patent: 514857 (1894-02-01), Laube
patent: 1280312 (1918-10-01), Scherer
patent: 3873135 (1975-03-01), Kreitzberg
patent: 4261600 (1981-04-01), Cassel
patent: 4478434 (1984-10-01), Little
patent: 5039137 (1991-08-01), Cankovik
patent: 5133579 (1992-07-01), Anderson
P. 37 of 1993/1994 Cooperfield Catalog, published Jul. 15, 1993 by Southerland Company, Montezuma, Iowa: Advertisement for B-Vent Adaptor.
Brunt Michael A.
Gooderham Wayne R.
Rallis Vasilios
Arola Dave W.
Bourque Daniel J.
Bujold Michael J.
Davis Anthony G. M.
Z-Flex, Inc.
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