Method for selectively aperturing a nonwoven web

Details Method for selectively aperturing a nonwoven web Method for selectively aperturing a nonwoven web

1995-09-29

1997-05-13

Calvert, John J.

Textiles: manufacturing

Textile product fabrication or treatment

Of thread interlaced article or fabric

156229, 264145, 604369, D06C 304, D06C 2700

Patent

active

056280971

ABSTRACT:
The present invention provides a method for selectively aperturing a nonwoven web. A nonwoven web is weakened along a plurality of locations and then a tensioning force is applied to the nonwoven web causing the nonwoven web to rupture at the plurality of weakened location creating a plurality of apertures in the nonwoven web coincident with the weakened locations.

REFERENCES:
patent: 3756907 (1973-09-01), Heling
patent: 3949127 (1976-04-01), Ostermeier et al.
patent: 3985600 (1976-10-01), Blais
patent: 4469734 (1984-09-01), Minto et al.
patent: 4560372 (1985-12-01), Pieniak
patent: 4842794 (1989-06-01), Hovis et al.
patent: 5207962 (1993-05-01), Hovis et al.
patent: 5262107 (1993-11-01), Hovis et al.

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