Thermoplastic material containing towel

Details Thermoplastic material containing towel Thermoplastic material containing towel

B - Operations, Transporting

32

B

B32B 1/04 (2006.01) A47L 13/16 (2006.01) A61F 13/15 (2006.01) B29C 59/04 (2006.01) B29C 65/18 (2006.01) B32B 5/04 (2006.01) B32B 5/12 (2006.01)

Patent

CA 2064071

2064071 9101217 PCTABS00003 Unfused core forming fibers, indicated at (28), together with the facing sheet (24), are carried by the belt (20) into a thermobonder (22). The thermobonder (22) heats the fibers to a temperature above the melting point of at least one thermoplastic fiber material in the core. This heat fuses the core and also bonds the core to the facing sheet. At forming zone (54), the multilayered or composite web is typically bonded or densified along at least a section of the eventual peripheral edge margin of an article to be formed. Typically, the entire eventual peripheral edge margin of the article is densified. In addition, field bonds are also formed within the eventual field of the article intermediate the peripheral edge margin. The preferred approach is to emboss these bond areas. To this end, opposed sets of embossing rolls (70, 72, 74 and 76) are positioned as shown. The illustrated roll (70) comprises a field bond feature forming roll having a projecting pattern of field bond forming contacts (80) which press against the face sheet and other layers of the composite material.

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