Method of making a mechanical fastener and apparatus including a roller with protrusions

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9475205
APP PUB NO 20150360383A1
SERIAL NO

14401908

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method of making a mechanical fastener. The method includes providing a slit web having mechanical fastening elements and spreading the slit web in the cross-machine direction by directing the slit web over at least a first roller having first multiple protrusions around its peripheral surface. The slit web includes a plurality of interrupted slits that are interrupted by intact bridging regions of the web that divide the interrupted slits into a series of spaced slit portions aligned in the machine direction. The first multiple protrusions are positioned such that adjacent protrusions push through consecutive slit portions of a first of the interrupted slits to form a spread mechanical fastening web. An apparatus including the first roller and at least a subsequent roller 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
Gilbert, Thomas J St. Paul, US 13 70
Qi, Shengguang Zengcheng, CN 1 1

Cited Art Landscape

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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
3M INNOVATIVE PROPERTIES COMPANY (2)
* 9630359 Method of separating strands on a stretching surface 0 2016
* 2016/0229,112 METHOD OF SEPARATING STRANDS ON A STRETCHING SURFACE 0 2016
* Cited By Examiner

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