Fast-hardening hydraulic cement mass and surfacing method using

Details Fast-hardening hydraulic cement mass and surfacing method using Fast-hardening hydraulic cement mass and surfacing method using

1980-04-09

1982-01-26

Van Balen, William J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

5230917, 138141, 138144, 138DIG6, 428446, 428703, 156187, F16L 902, F16L 908, B32B 1302

Patent

active

043129048

ABSTRACT:
A hydraulically setting mass having a small tendency to cracking and a felt-like structure when freshly mixed while showing no cracks or only microscopic cracks when in the hardened condition comprises essentially a fast-hardening hydraulic cement binder, water, alkali-resistant mineral fibers and additives. The freshly mixed mass is applied in a layer to the surface of a tube or the like, the applied mass is completely covered with a sheet and the mass is pressed against the surface with the sheet.

REFERENCES:
patent: 3742985 (1973-07-01), Rubenstein
patent: 3753849 (1973-08-01), Duff
patent: 3767435 (1973-10-01), Mori et al.
patent: 3949144 (1976-04-01), Duff
patent: 3984266 (1976-10-01), Christensen et al.
patent: 4067164 (1978-01-01), McMillan
patent: 4133928 (1979-01-01), Riley et al.
patent: 4159361 (1979-06-01), Schupack
patent: 4192690 (1980-03-01), Meyer et al.
Pipeline and Gas Journal, P and G. J. Staff Report, (May 1975) p. 76.

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