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Patent Searching and Data


Title:
CEMENT-CONTAINING COMPOSITIONS AND METHOD OF USE
Document Type and Number:
WIPO Patent Application WO2002044100
Kind Code:
A3
Abstract:
A settable fluid cementitious composition which is fluid for sufficient time to be suitable for use in a flexible container to provide support in a mine said composition comprises (i) Portland cement in an amount from at least about 8 % preferably 10 % (ii) a water soluble silicate in an amount from at least about 2 % and (iii) water in an amount to provide a water to solids weight ratio of at least about 1.2:1 preferably at least about 1.5:1 and where the % are by weight based on the combined weights of (i), (ii) and (iii). The viscosity immediately after mixing the components together is sufficiently low that additional water can be incorporated. The composition may include (iv) a pozzolan in an amount from 2 to 35 % by weight based on the combined weight of (i), (ii), (iii) and (iv).

Inventors:
MILLS PETER SHELLEY (US)
Application Number:
GB0105241W
Publication Date:
October 17, 2002
Filing Date:
November 28, 2001
Export Citation:
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Assignee:
FOSROC INTERNATIONAL LIMITED
MILLS, PETER, SHELLEY
International Classes:
C04B28/02; C04B7/02; C04B14/04; C04B28/04; C04B28/26; C04B40/00; E02D5/18; E21D15/00; C04B; (IPC1-7): C04B28/26; C04B40/00; E21D15/00
Foreign References:
EP0974563A22000-01-26
US5454866A1995-10-03
US5645375A1997-07-08
US3672173A1972-06-27
DE4205354A11993-08-26
Other References:
DATABASE WPI Week 199339, Derwent World Patents Index; AN 1993-309365, XP002206031
DATABASE WPI Week 199728, Derwent World Patents Index; AN 1997-306511, XP002206032
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