Method of separating strands on a stretching surface

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9314962
APP PUB NO 20140332999A1
SERIAL NO

13891287

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method of separating strands of a slit web is disclosed. The method includes providing a slit web having a length in a machine direction and running the slit web in the machine direction onto a stretchable surface. The slit web includes multiple strands provided by a plurality of slits extending in a first direction not parallel to a cross-machine direction. The slit web is in contact with the stretchable surface for a path length in the machine direction, and for at least a portion of the path length, the stretchable surface is stretching in the cross-machine direction. The traction between the slit web and the stretchable surface during the stretching at least partially separates at least some of the multiple strands of the slit web in a second direction transverse to the first direction. A method of increasing a width of a polymeric netting is also disclosed.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
3M INNOVATIVE PROPERTIES COMPANYST PAUL, MN8719

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Biegler, Kristopher K Minneapolis, US 15 75
Bugeja, Peter J Bolton, GB 2 7
Diekmann, Timothy J Maplewood, US 10 137
Gilbert, Thomas J St. Paul, US 13 70
Luepke, Ryan M New Brighton, US 4 7
Peltier, Mark A Forest Lake, US 17 228
Perron, Steven J St. Paul, US 12 76
Rothwell, Neal C Bury, GB 2 7

Cited Art Landscape

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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
3M INNOVATIVE PROPERTIES COMPANY (3)
9687048 Method of making a mechanical fastener using a crowned surface 0 2013
9591896 Method of making a mechanical fastener using diverging disks 0 2013
9630359 Method of separating strands on a stretching surface 0 2016
* Cited By Examiner

Maintenance Fees

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7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 19, 2023
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