Method for emptying a supply line for coating units

Details Method for emptying a supply line for coating units Method for emptying a supply line for coating units

2006-09-05

2006-09-05

Look, Edward K. (Department: 3751)

Valves and valve actuation

Tube compressors

Fluid pressure actuated

Reexamination Certificate

active

07100887

ABSTRACT:
A supply line for supplying coating application devices with coating substances, e.g., paint from one or a plurality of containers containing the coating substance(s), includes a valve device capable of displacing the coating substance in the supply line in a direction opposite the direction of flow of the coating substance from the container into the supply line, with the supply line being radially compressible upon being impinged by pressure medium and with the valve device being arranged at an end of the supply line remote from the one or a plurality of containers so that impinging with the pressure medium is effected in the direction opposite the direction of flow of the coating substance at the time of application of the coating substance.

REFERENCES:
patent: 3397860 (1968-08-01), Bushmeyer
patent: 3485472 (1969-12-01), Bozich
patent: 3885769 (1975-05-01), Morrison
patent: 5188134 (1993-02-01), Satoh et al.
patent: 5950986 (1999-09-01), Daugherty et al.
patent: 5992818 (1999-11-01), Jones et al.
patent: 0937321 (1956-01-01), None

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