Valve and system for application of a covering product including such a valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11396029
APP PUB NO 20210060586A1
SERIAL NO

17007222

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Importance

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Abstract

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A valve including a body having an inner central orifice and a chamber, a piston formed by a rod and by a head mounted in the chamber, the rod extending outside the body and moving in a bore of an application system. The valve includes a first sealing device around the rod on one side of the valve where the rod extends outside the body, part of the chamber being filled with a pressurized control fluid to obtain movement of the piston against the force of a spring housed in the body. The valve includes a second sealing device around the rod, between the first sealing device and the chamber. The valve includes a vent duct in the rod that communicates with the inner central orifice between the first and second sealing devices and emerges in the open air or in part of the chamber communicating with the open air.

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Patent Owner(s)

Patent OwnerAddress
EXEL INDUSTRIES51200 EPERNAY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Faure, Didier Paris, FR 10 70
Gourbat, Olivier Paris, FR 7 7
Vanzetto, Denis Paris, FR 16 10

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