Solid material comminution or disintegration – Processes
Patent
1984-07-03
1986-07-15
Lovering, Richard D.
Solid material comminution or disintegration
Processes
B02C 1900, C09K 300, C09K 318
Patent
active
046001549
ABSTRACT:
A static expansive demolition agent in the three-dimensional form obtained by compression-molding a powdery composition comprising calcium oxide as the expansive component, an aluminous cement and an alkali or alkaline earth metal salt of boric acid. Said static expansive demolition agent can be placed as it is in holes in a brittle material to be demolished and when water is subsequently poured into the hole the maximum pressure of expansion can be reached in a very short period of time to demolish the brittle material.
REFERENCES:
patent: 4316583 (1982-02-01), Kawano
Hirota Takao
Ishizaki Yoichi
Asahi Kasei Kogyo Kabushiki Kaisha
Lovering Richard D.
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