System for delivery of fibers into concrete
AssigneeBuckeye Technologies Inc.
InventorsRobert Bell, Jeffery Cook, Judson Fidler, Gerald Morton, Howard Schoggen, Jimmy Speakman, Max Wood, Claudia Wade
Life of this patent
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Abstract
The present invention provides for twisted and rectangular dice forms of sheeted fibrous materials and a process for making the dice forms. Specifically, the invention teaches the use of dice forms and sheet materials in construction and cementitious materials.
Claims53
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A rectangular dice form of sheeted fibrous material in which the rectangular dice has a generally rectangular shape with a length of from about 4 mm to about 10 mm, a width of from about 3 mm to about 8 mm and a thickness of from about 1 mm to about 2 mm, a density of from about 0.4 g/cc to about 0.6 g/cc.
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A process for the production of a rectangular dice form of a sheeted fibrous material comprising passing the sheeted fibrous material through a dicer or shredder to produced rectangular dice which has a generally rectangular shape with a length of from about 4 mm to about 10 mm, a width of from about 3 mm to about 8 mm and a thickness of from about 1 mm to about 2 mm, a density of from about 0.4 g/cc to about 0.6 g/cc.
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A form of sheeted fibrous material which has a weight of from about 0.01 g to about 0.5 g and which has a fiber form dispersion coefficient FFDC of about 0.50 or greater.
A cementitious material comprising:
- (A) cement,
- (B) cellulose pellets, and
- (C) optionally, sand, aggregate or sand and aggregate.
A method of dispersing fibers in a cementitious material, wherein the steps comprise:
- (A) providing a cementitious material, wherein the cementitious material comprises cement and coarse aggregate components;
- (B) adding dice forms to the cementitious material;
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- (C) mixing the cementitious material with the dice forms until the dice forms are completely dispersed as individual fibers uniformly in the cementitious material.
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Dependencies are inferred from the claim text.