Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – Of storage or hazardous area or fluid handling
Patent
1978-02-23
1980-04-01
Cannon, James C.
Electricity: electrical systems and devices
Discharging or preventing accumulation of electric charge
Of storage or hazardous area or fluid handling
138103, 138109, 138125, 138130, 138137, 138140, 138141, 138177, 156149, 156172, 15624413, 174 47, 174 98, 174102SC, 174102C, 264173, 264176R, 428 36, B32B 108, B32B 110, F16L 1112
Patent
active
041964640
ABSTRACT:
A fibrous reinforced flexible hose for conveying fluids such as paint under pressure is provided with a composite core tube preferably simultaneously co-extruded from two or more synthetic polymers which are in intimate contact with each other. The inner layer of the composite core tube is nylon or other chemical resistant polymer which may or may not be cross-linked and the outer layer is a cross-linked electrically semi-conductive synthetic polymer layer which serves as a ground for static electricity. In the process of making the hose, the semi-conductive layer is preferably cross-linked by irradiation as a means of improving its higher temperature performance capabilities and to minimize changes in the electrical resistance of the semi-conductive layer that might arise from dynamic use of the hose.
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Cannon James C.
Chrow A.
Eaton Corporation
McCloskey R. J.
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