DEVICE FOR PREVENTION OF FORMING OF PIN-HOLES IN ZONE LAMINATES (MODIFICATIONS) AND LAMINATE (MODIFICATIONS) Russian patent published in 2004 - IPC

Abstract RU 2220854 C2

FIELD: devices for prevention of forming of pin-holes in production of laminates of non-woven materials and polymeric film, as well laminates manufactured with the use of the given device. SUBSTANCE: the laminate has a polymeric film and at least one non-woven strip having opposite edges. The strip is laminated to the film with formation of a laminated section along the film length and non-laminated film sections along the edges opposite each other, and each of the opposite strip edges determines the boundary section between the laminated section and the non-laminated section, the boundary sections being not stretched. The laminated and non-laminated sections are stretched by the opposite-comb method. EFFECT: enhanced efficiency. 22 cl, 14 dwg, 5 ex, 1 tbl

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RU 2 220 854 C2

Authors

Mushaben Tomas G.

Dates

2004-01-10Published

1999-05-20Filed