Structured surface with multiple-post caps and method of making the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8973225
APP PUB NO 20120151720A1
SERIAL NO

12974640

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A structured surface, which includes a thermoplastic backing sheet and a first upstanding element, is disclosed. The first upstanding element includes multiple, spaced-apart posts and a single cap at the distal ends of the multiple, spaced-apart posts. The structured surface furthermore typically includes a plurality of spaced-apart, upstanding posts with caps on their distal ends, where the ratio of the caps to the posts is less than one-to-one. Also disclosed is a method of making a structured surface. The method includes providing a thermoplastic backing sheet with a plurality of spaced-apart, upstanding posts; and deforming the distal ends to form caps on at least some of the spaced-apart, upstanding posts. At least some of the caps upon forming touch at least one adjacent cap to form a conjoined cap at the distal ends of multiple posts.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYPO BOX 33427 ST PAUL MN 55133-3427

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ausen, Ronald W St. Paul, US 92 1043
Hanschen, Thomas P Mendota Heights, US 59 848
Kopecky, William J Hudson, US 60 308

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