Novel tearable non-woven webs and products employing same

Details Novel tearable non-woven webs and products employing same Novel tearable non-woven webs and products employing same

1986-10-01

1988-09-20

Bell, James J.

Stock material or miscellaneous articles

Sheet, web, or layer weakened to permit separation through...

156250, 156290, 428 40, 428195, 428343, 428354, 428355, B65D 6528

Patent

active

047724994

ABSTRACT:
Novel CD-tearable non-woven fabrics having striations or other patternwise areas of substantially depthwise bonding of the fibers whereby the fabric is characterized as being tearable substantially evenly in the unbonded areas, the fabric further being characterized as having substantially greater tensile strength in the MD than is obtainable after manufacture of the fabric and prior to bonding.
Preferably, patternwise bonded areas are provided by impregnating the fabric with a bonding agent.
This invention further includes adhesive tape and other products employing the aforementioned non-woven fabrics.

REFERENCES:
patent: 3093502 (1963-06-01), Drelich
patent: 4084033 (1978-04-01), Drelich
patent: 4245630 (1981-01-01), Lloyd et al.
patent: 4259390 (1981-03-01), Fahrbach et al.
patent: 4303724 (1981-12-01), Sergeant et al.
patent: 4379192 (1983-04-01), Wahlquist et al.
patent: 4427726 (1984-01-01), Wolfrum
patent: 4601938 (1986-07-01), Deacon et al.
patent: 4630603 (1986-12-01), Greenway

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