Non-invasive adhesive process

Details Non-invasive adhesive process Non-invasive adhesive process

B - Operations, Transporting

32

B

B32B 37/06 (2006.01) B32B 37/10 (2006.01) B32B 37/12 (2006.01) B32B 31/20 (1990.01)

Patent

CA 2122942

A process for joining a porous sheet having at least one non-planar surface to an item is disclosed. The process includes the steps of: (1) providing an item; (2) providing a porous sheet having a first and second surface where at least the second surface has a non-planar configuration; (3) providing a material adapted, upon application of sufficient temperature, to substantially melt prior to either the item or the porous sheet significantly melting and which, when melted, forms an adhesive bond with both the item and the porous sheet; (4) placing the material on a surface of the item; (5) placing the first surface of the porous sheet on the material to form an item-material-porous sheet sandwich configuration; (6) applying sufficient heat to the sandwich configuration to melt the material without significantly melting the item or the porous sheet; (7) applying sufficient pressure to the sandwich configuration to distribute the melted material on the surface of the item and into, but not through, the pores of the porous material. As a result of the process, the first surface of the porous sheet is joined to the item without the non-planar configuration of the second surface of the porous sheet being adversely affected.

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