B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/26 (2006.01) B09B 1/00 (2006.01) B32B 5/06 (2006.01) B32B 5/30 (2006.01) B32B 7/08 (2006.01) E02B 3/12 (2006.01) E02D 31/00 (2006.01) E04B 1/64 (2006.01)
Patent
CA 2041167
A multi-layer article of manufacture includes an intermediate layer of a water-swellable colloidal clay, such as bentonite, sandwiched between two layers of flexible sheet or fabric material wherein the two flexible layers of sheet or fabric material are structurally interconnected through the intermediate clay layer, such as by needle punching, after lubrication of the clay or sheet material with a liquid, such as water, to interconnect fibers of one fabric layer to the other fabric layer at spaced locations over essentially the entire inner surface areas of both sheet or fabric material layers.
Article multicouche comportant une couche intermédiaire d'argile colloïdale gonflant au contact de l'eau, telle la bentonite, laquelle est intercalée entre deux couches d'un matériau en feuilles souples ou de textile, les deux couches en question étant structurellement liées par l'intermédiaire de la couche d'argile colloïdale par aiguilletage après lubrification de l'argile ou de la couche textile à l'aide d'un liquide, de l'eau, par exemple, afin de lier les deux couches l'une à l'autre en des endroits espacés répartis sur toute la surface des deux couches de matériau.
American Colloid Company
Fetherstonhaugh & Co.
LandOfFree
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