E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 1/88 (2006.01) B32B 3/02 (2006.01) B32B 5/02 (2006.01) B32B 33/00 (2006.01) D04H 13/00 (2006.01) F16F 1/366 (2006.01) F16F 3/087 (2006.01) F16F 7/00 (2006.01) F16F 9/30 (2006.01) F16F 15/00 (2006.01) G10K 11/162 (2006.01)
Patent
CA 2321082
A flexible, adhesively attachable, thermal and acoustical insulating shield has a needled, flexible fibrous batt (40) having an insulating layer (43) of insulating fibers (44) disposed between opposite binding layers (41 42) of binding fibers (45). Binding fibers (45) of each binding layer (41 42) are needledly disposed through the insulating layer (43) and opposite binding layer (41 42) to provide tufts (46) of binding fibers (45) protruding from the opposite binding layer (41 42) so as to form a tufted upper surface (47) and a tufted lower surface (48) of the ball (40). A flexible adhesive (50) is disposed and adhered substantially over the upper surface (47) and lower surface (48) of the ball (40) such that the tufts (46) on the upper and lower surfaces (47, 48) are secured to the surfaces by the adhesive. A flexible, protective foil (51) is permanently adhered by the adhesive (50) to the lower surface (48) of the ball. The shield may be flexed and pressed to configure and permanently attach the upper surface (47) to an object (1) to be shielded.
L'invention concerne un écran thermique et acoustique souple qui se fixe par adhésion et présente une nappe fibreuse souple (40) comportant une couche isolante (43) de fibres isolantes (44) disposée entre des couches adhésives (41, 42) de fibres adhésives (45). Les fibres adhésives (45) de chaque couche adhésive (41, 42) sont disposées par aiguilletage à travers la couche isolante (43) et une couche adhésive (41, 42) opposée pour constituer des touffes (46) de fibres adhésives (45) saillant depuis la couche adhésive (41, 42) opposée, de manière à former une nappe (40) présentant des surfaces supérieure et inférieure touffetées (47, 48). Un adhésif souple (50) est disposé sur les surfaces supérieure et inférieure de la nappe (40) et adhère sensiblement auxdites surfaces de manière à y fixer les touffes (46). Une feuille protectrice souple (51) est collée à demeure par l'adhésif (50) à la surface inférieure (48) de la nappe (40). L'écran peut être fléchi et pressé pour conformer la surface supérieure (47) et la fixer à demeure à un objet (1) à blinder.
Byrd Timothy L.
Hiers John J.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Lydall Inc.
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