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:
Jul. 18, 2023
Filed:
Mar. 10, 2020
3m Innovative Properties Company, St. Paul, MN (US);
Anton F. Jachim, St. Paul, MN (US);
Sally M. Grambusch, Round Rock, TX (US);
Robert M. Anderton, Cedar Park, TX (US);
Mark A. Hoisington, Austin, TX (US);
Jeffrey M. Maki, Inver Grove Heights, MN (US);
Christopher J. Evoniuk, Austin, TX (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
A support core for an elastic sleeve comprises a first cylindrical section disengagably connected to a second cylindrical section. Each cylindrical section has an annular sidewall made up of a plurality of interlocking concave plates extending longitudinally along a portion of the support core between a abutment end and a distal end. The abutment end of each cylinder section includes a generally helical edge. The plurality of concave plates comprises a top and bottom surfaces, having two opposing longitudinal edges extending between said surfaces on opposite sides of the concave plate. Each of the longitudinal edges comprises an interlocking feature that configure to connect to a mating feature of at least one other concave plate to form one of cylindrical sections of the support core.