The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 2026
Filed:
Dec. 06, 2023
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Naohiro Takemoto, Sagamihara, JP;
Hiroyuki Hirayama, Sagamihara, JP;
Naoyuki Toriumi, Sagamihara, JP;
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 3/30 (2006.01); B32B 5/02 (2006.01); B32B 7/12 (2006.01); B32B 27/12 (2006.01); B32B 27/36 (2006.01); C09J 5/06 (2006.01); C09J 133/14 (2006.01); C09J 163/00 (2006.01); C09J 175/04 (2006.01); H02K 3/34 (2006.01); H02K 15/108 (2025.01);
U.S. Cl.
CPC ...
H02K 3/30 (2013.01); B32B 5/022 (2013.01); B32B 7/12 (2013.01); B32B 27/12 (2013.01); B32B 27/36 (2013.01); C09J 5/06 (2013.01); C09J 133/14 (2013.01); C09J 163/00 (2013.01); C09J 175/04 (2013.01); H02K 3/345 (2013.01); H02K 15/108 (2025.01); B32B 2250/05 (2013.01); B32B 2307/206 (2013.01); B32B 2457/04 (2013.01); C09J 2400/266 (2013.01); C09J 2433/00 (2013.01); C09J 2463/00 (2013.01); C09J 2475/00 (2013.01);
Abstract
A multi-layer slot liner for a rotary electrical system, comprising an electrically insulating substrate layer, a first heat-activated adhesive layer comprising thermally expandable particles which is arranged on a first surface of the substrate layer, and a first adhesive permeable cover layer arranged on the first heat-activated adhesive layer. At least two of the layers extend together and terminate at an edge, where the edge is covered by a seal.