Method for pulling cable and conducting mixed concrete

Details Method for pulling cable and conducting mixed concrete Method for pulling cable and conducting mixed concrete

1978-10-27

1980-01-01

Silverberg, Sam

Fluid handling

Processes

Affecting flow by the addition of material or energy

C10M 314

Patent

active

041811372

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: 3969233 (1976-07-01), Lucas
patent: 4111820 (1978-09-01), Conti

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