Vented insulating liner method and apparatus

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 38/04 (2006.01) B32B 3/24 (2006.01)

Patent

CA 2647371

An insulating liner for an article of clothing includes an insulating layer (12) including an aerogel material and having opposite sides (16,14) with passages (22) extending therebetween, and a cover (10) encapsulating the insulating layer (12). The cover (10) includes vent holes (18) aligned with the passages of the insulating layer, and has portions that exten into the passages of the insulating layer from the opposite sides of the insulating layer, with the portions having vent holes (18) therethrough and being sealed about the periphery of the vent holes. A valve (50) may be provided with the liner (10) to allow gas to be withdrawn or expelled from the liner. Methods of forming the insulating liner(s) are also provided.

L'invention concerne une doublure isolante pour un article de vêtement comprenant une couche isolante incluant un matériau d'aérogel et ayant des côtés opposés avec des passages s'étendant entre eux, et une enveloppe encapsulant la couche isolante. L'enveloppe comprend des orifices de ventilation alignés avec les passages de la couche isolante, et a des parties qui s'étendent dans les passages de la couche isolante depuis les côtés opposés de la couche isolante, avec les parties ayant des orifices de ventilation à travers celles-ci et étant assemblées autour de la périphérie des orifices de ventilation. Une valve peut être disposée avec la doublure pour permettre à un gaz d'être retiré ou expulsé de la doublure. L'invention concerne également des procédés de formation de la ou les doublures isolantes.

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