Method for manufacturing fiber reinforced cement board

Details Method for manufacturing fiber reinforced cement board Method for manufacturing fiber reinforced cement board

2009-08-05

2011-10-25

Gray, Linda L (Department: 1745)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S190000, C156S191000, C156S192000, C156S193000, C156S243000, C156S270000

Reexamination Certificate

active

08043461

ABSTRACT:
A method for manufacturing fiber reinforced cement board includes the steps of preparing a formed sheet from slurry containing cement and reinforcing fiber material, cutting off the formed sheet so that each cut-off formed sheet has the same length equal to the circumference of a making roll, forming a laminated sheet by winding the cut-off formed sheet around the making roll a plurality of times so that every layer of the laminated sheet has a cut-off mark wherein the making roll is equipped with a cutting-off wire accommodated in a lateral groove formed in the periphery of the roll, producing a mat by separating the laminated sheet from the making roll by cutting off the laminated sheet by jumping out the cutting-off wire into the cut-off mark portion so that the cut-off section of the cut-off laminated sheet is inclined to the bottom surface of the laminated sheet, and hardening and curing the produced mat.

REFERENCES:
patent: 1947232 (1934-02-01), Smith
patent: 3757624 (1973-09-01), Kruse et al.
patent: 6431241 (2002-08-01), Gonzalo
patent: 09-094812 (1997-04-01), None
patent: 9-249443 (1997-09-01), None

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