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:
Nov. 06, 2012
Filed:
Mar. 05, 2010
Sigvard Nilsson, Vamamo, SE;
Henrik Nordin, Forsheda, SE;
Sigvard Nilsson, Vamamo, SE;
Henrik Nordin, Forsheda, SE;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present invention provides a hearing protector comprising two ear cups which are designed to cover the ears of the wearer of the hearing protector, and sealing rings () which are secured along the peripheries of the ear cups, the sealing rings each displaying at least one circumferential lamella (), being manufactured from a resilient, possibly elastic material, and being formed to sealingly abut, around the wearer's ears, against the wearer's head, wherein the lamella (), at least along its edge regions located most proximal the wearer's head, display portions () which, in a direction towards the wearer, are arched from a central region () in the sealing ring () out towards its periphery ().