B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/22 (2006.01) A62B 17/00 (2006.01) A62D 5/00 (2006.01) B32B 27/08 (2006.01) B32B 27/12 (2006.01)
Patent
CA 2567911
A protective covering is described comprising at least one microporous film attached to a functional layer, the protective covering capable of inhibiting the passage of toxic substances therethrough. Preferably the functional layer is an adsorptive layer contained between two oleophobic, microporous films. Additional shell and backer layers may be added to the construction forming a protective covering having good durability, flexibility and high moisture vapor transmission.
L'invention concerne une couverture protectrice comprenant au moins une couche mince microporeuse fixée à une couche fonctionnelle, la couverture protectrice étant capable d'empêcher le passage de substances toxiques à travers elle. De préférence, la couche fonctionnelle est une couche absorbante contenue entre deux couches minces oléophobes microporeuses. Une enveloppe supplémentaire et des couches de support peuvent être ajoutées à la construction formant une couverture protectrice présentant une bonne durabilité, une bonne flexibilité et une haute transmission de vapeur d'humidité.
Jain Mukesh K.
Quinn Tim M.
Smiley Anthony J.
Gore Enterprise Holdings Inc.
Gowling Lafleur Henderson Llp
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