Glazed cement product and method for manufacturing thereof

Details Glazed cement product and method for manufacturing thereof Glazed cement product and method for manufacturing thereof

1986-01-06

1989-01-10

Silbaugh, Jan H.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

106 86, 106 99, 264133, 264228, 264229, 4283126, 4283128, 428447, 428469, 428703, B29C 3910, B29C 6712, B32B 1304, C04B 702

Patent

active

047973196

ABSTRACT:
Method for manufacturing glazed cement products of a foam light-weight aggregate, reinforcing steel under pretension or a stress-absorbing layer around the reinforcing steel. An action of generating crack, caused by a difference of coefficient of thermal expansion between the reinforcing steel and a portion of cement material while burning and cooling are carried out, is absorbed by the foam light-weight aggregate, the stress-absorbing layer or pretension given to the reinforcing steel. A reaction of unreacted cement component is promoted by the hydration to harden for recovering mechanical strength.

REFERENCES:
patent: 1684663 (1928-09-01), Dill
patent: 2319105 (1943-05-01), Billner
patent: 2562477 (1951-07-01), Ramsay
patent: 3489626 (1970-01-01), Rubenstein
patent: 4407769 (1983-10-01), Harada et al.

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