Coating processes – Combined
Patent
1978-04-13
1979-10-09
Smith, Ronald H.
Coating processes
Combined
427434D, 428375, B05D 100, B05D 300
Patent
active
041706730
ABSTRACT:
A coating consisting essentially of 0.5% to 50%, preferably 2% to 20%, by volume, polyethylene oxide and about 6% to 30% a dispersion agent selected from the group consisting of propylene glycol, glycerol, ethylene glycol, polypropylene glycol, diethylene glycol, thiethylene glycol and hexylene glycol, with the ratio of polyethylene oxide-to-dispersion agent, by volume, being no greater than 2:1 and preferably 1:3. The remainder being essentially water. The coating is used as a lubricant to facilitate pulling plastic-sheathed cable through a conduit and to facilitate the passage of mixed concrete through a conduit.
REFERENCES:
patent: 3000826 (1961-09-01), Gililland
patent: 3925216 (1975-12-01), Moorhouse
patent: 3983042 (1976-09-01), Jain et al.
patent: 4028473 (1977-06-01), Conti
patent: 4045362 (1977-08-01), Kuan et al.
Childs Sadie L.
Murray Thomas H.
Poff Clifford A.
Smith Ronald H.
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