Conduit for paint

Pipes and tubular conduits – With closures and plugs – Inflatable

Reexamination Certificate

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Details

C138S119000, C138S098000

Reexamination Certificate

active

07017612

ABSTRACT:
A paint conduit has a conduit wall enclosing an interior and a cleaning device that has a hose arranged in the interior and a pressurized fluid source connected to the hose. The hose is expandable at least in a radial direction of the hose and is inflated by the pressurized fluid source to displace the paint, present in the paint conduit, from the paint conduit when new paint is to be conveyed through the paint conduit.

REFERENCES:
patent: 1180182 (1916-04-01), Petersen
patent: 1348332 (1920-08-01), Stremel
patent: 1510212 (1924-09-01), Du Bois
patent: 2264822 (1941-12-01), Ahern
patent: 2508659 (1950-05-01), Brown
patent: 2678666 (1954-05-01), Theis et al.
patent: 3626985 (1971-12-01), Erickson et al.
patent: 4160464 (1979-07-01), Ballinger
patent: 4272021 (1981-06-01), Standal
patent: 5234034 (1993-08-01), Lyon
patent: 6405994 (2002-06-01), Chen
patent: 606028 (1934-11-01), None
patent: 937321 (1956-01-01), None
patent: 101 01 056 (2002-06-01), None
patent: 9408105 (1994-04-01), None
patent: 03/086671 (2003-10-01), None

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