A method of producing a mineral fiber-insulating web, a...

Details A method of producing a mineral fiber-insulating web, a... A method of producing a mineral fiber-insulating web, a...

D - Textiles, Paper

04

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D04H 1/70 (2006.01) E04B 1/76 (2006.01) E04B 1/78 (2006.01) E04C 1/00 (2006.01) E04C 2/16 (2006.01)

Patent

CA 2153672

A method of producing a mineral fiber-insulating web comprises the steps of firstly producing a first non-woven mineral fiber-web being a loosely compacted mineral fiber web of a low area weight. The first material fiber web contains mineral fibers arranged generally in the longitudinal direction of the mineral fiber web. Secondly, the first material fiber web is moved in the longitudinal direction of the web and folded transversely relative to the longitudinal direction and parallel with a transversal direction of the first mineral fiber web, so as to produce a second mineral fiber-web containing mineral fibers arranged generally perpendicular to the longitudinal and transversal directions. Thereupon, the folded mineral fiber web is cured for bonding the mineral fibers together so as to produce the mineral fiber-insulating web I comprising a central body containing mineral fibers arranged generally perpendicular to the longitudinal direction of the mineral fiber web. I,

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