B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/112
B28B 23/02 (2006.01) B28B 23/04 (2006.01)
Patent
CA 1260233
Abstract of the Disclosure A glazed cement product and method for manufacturing thereof wherein the glazed cement product comprizes a foam light-weight aggregate, reinforcing steel under pretension or 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.
498832
Harada Shozo
Hasegawa Manabu
Kitagawa Satoshi
Koide Tetsuya
Yoshida Shigeo
Inax Corporation
National House Industrial Co. Ltd.
Osler Hoskin & Harcourt Llp
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