Cover fabric with latex foam backing and integrally foamed...

Details Cover fabric with latex foam backing and integrally foamed... Cover fabric with latex foam backing and integrally foamed...

B - Operations, Transporting

32

B

B32B 5/20 (2006.01) B23B 5/24 (2006.01) B29C 39/10 (2006.01) B68G 7/00 (2006.01)

Patent

CA 2094377

A B S T R A C T A composite cover material to be used for making an inte- grally formed article comprises a permeable fabric (10) and a thin layer of latex foam (15) strongly bonded via bondding zone (17) to said fabric. The latex foam layer (15) is made by applying high molecular latex material such as rubbers or synthetic resins as coating to back surface (12) of said fab- ric, and permitting said latex material to foam and cure. The latex foam has relatively fine mechanical open cells (18) in its internal part and further fine open cells (20) near its outer surface skin (22) which is permeable by virtue of minute holes (21) formed therein. The skin (22), though permeable by minute holes, can serve as substantially flat and smooth bar- rier surface agaist liquid foamable mixtures poured directly onto said skin for making body foam (25) so as to guide slid- ingly said mixtures therealong and also prevent substantial impregnation into said latex foam. (Figure 2)

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