CEMENT MORTAR AND SHOOTING MATERIAL - DENKI KAGAKU KOGYO KK

Title:

CEMENT MORTAR AND SHOOTING MATERIAL

Document Type and Number:

WIPO Patent Application WO/2001/060760

Kind Code:

A1

Abstract:

A dry cement mortar comprising a cement and an aggregate having a ratio of the maximum particle diameter thereof to the inner diameter of a pipe to be used for transferring the resultant cement mortar of 0.1 or less. The dry cement mortar may further comprise calcium aluminates, a gypsum, a slaked lime containing material, organic acids, fibers, a thickener, a water reducing agent, a water-absorbing agent, an alkali metal sulfate and/or an alkali metal carbonate. An accelerator may be incorporated in a wet cement mortar which has been prepared by mixing the dry cement mortar with water. The dry cement mortar can be used for providing a shooting material which allows the decrease of troubles due to a long run working with the material and the maintenance of a homogeneously mixed state of the material.

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Inventors:

ARAKI AKITOSHI (JP)
KOIDE TAKESHI (JP)
TERASHIMA ISAO (JP)

Application Number:

PCT/JP2001/001096

Publication Date:

August 23, 2001

Filing Date:

February 15, 2001

Export Citation:

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Assignee:

DENKI KAGAKU KOGYO KK (JP)
ARAKI AKITOSHI (JP)
KOIDE TAKESHI (JP)
TERASHIMA ISAO (JP)

International Classes:

C04B20/00; C04B28/02; (IPC1-7): C04B20/00; C04B28/02; B28C7/00; E21D11/10

Foreign References:

JPH09227198A	1997-09-02
JPH10324553A	1998-12-08
JP2000191379A	2000-07-11
JPH11209158A	1999-08-03
JPH06144903A	1994-05-24

Other References: