Unbonded PC steel strand

Details Unbonded PC steel strand Unbonded PC steel strand

1985-11-18

1988-10-11

Gibson, Sharon A.

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57217, 57221, 428375, 428377, 428379, 428380, 428383, A01D 5704, D02G 300

Patent

active

047761610

ABSTRACT:
An unbonded PC steel strand used for posttensioning concrete comprising a PC steel strand composed of a plurality of stranded wires, a thin transparent lacquer coating on the outer surface of the PC steel strand, the lacquer coating being able to be broken when the PC steel strand is subjected to tension or posttensioning concrete, a filler applied around the lacquer coating, and a synthetic resin sheath covering the lacquer and filler coated PC steel strand. A method of manufacturing the unbond PC steel strand comprising steps of annealing the PC steel strand at a low temperature to remove strain, coating the outer surface of the PC steel strand with lacquer, applying a greaselike corrosion inhibitor to the surface of this lacquer coating, and sheating the coated PC steel strand with an outer synthetic resin sheath.

REFERENCES:
patent: 792001 (1905-06-01), Callan
patent: 1720749 (1929-07-01), Schnable
patent: 2687386 (1954-08-01), Olson
patent: 2989491 (1961-06-01), Sattler et al.
patent: 3646748 (1972-03-01), Lang
patent: 3922437 (1975-11-01), Kitta et al.
patent: 4002797 (1977-01-01), Hacker et al.
patent: 4016714 (1977-04-01), Crandall et al.
patent: 4445321 (1984-05-01), Hutchinson
patent: 4490969 (1985-01-01), Simpson et al.

Affiliated with

Also associated with

Rating

Unbonded PC steel strand does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Unbonded PC steel strand, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Unbonded PC steel strand will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1950504