Low torque sprinkler fitting and method of manufacture

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10744527
APP PUB NO 20180056318A1
SERIAL NO

15664311

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Importance

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Abstract

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A brass fitting is in-molded in a plastic pipe fitting, which is coupled to a water supply line in a conventional matter. The brass insert receives a tapered seal with sealing surfaces that seat against the brass insert and a sprinkler head to form a sealed connection. The seal includes a tapered passageway for compression when tightening, as well as an external taper to allow the seal to conform to the socket formed by the plastic pipe fitting and brass insert. Also, a manufacturing method includes in-molding a brass insert within a plastic fitting using an O-ring which interfaces between the brass insert and surrounding molded fitting to seal the brass insert to the fitting. In one embodiment, the seal is used in a polymeric fitting without a brass insert.

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Patent Owner(s)

Patent OwnerAddress
VIKING GROUP INC5150 BELTWAY DR SE CALEDONIA MI 49316

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jackson, Eldon Douglas Three Rivers, US 1 10

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