Process for accelerating hardening of cement with fibre-reinforc

Details Process for accelerating hardening of cement with fibre-reinforc Process for accelerating hardening of cement with fibre-reinforc

1986-01-22

1988-05-24

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

264DIG43, 264333, C04B 1514

Patent

active

047464810

ABSTRACT:
The invention relates to a process for accelerating hardening of cement in fibre-reinforced and cement-bond plates and solids respectively. The essence of the process lies in that a composition known in itself containing water, fibrous material and cement is placed between the pressure plates of a press, compressed, simultaneously with pressing a flange of increased density is formed on the profile to be produced; the medium between the gasproof or quasi gasproof boundary surface is carbonized wih CO.sub.2 gas thereafter pressure is reduced.

REFERENCES:
patent: 109669 (1870-11-01), Rowland
patent: 3468993 (1969-09-01), Bierlich
patent: 4093690 (1978-06-01), Murray
patent: 4117060 (1978-09-01), Murray
patent: 4362679 (1982-12-01), Malinowski
patent: 4469655 (1984-09-01), Kiss

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