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:
Feb. 18, 2025
Filed:
Aug. 05, 2021
Head Technology Gmbh, Kennelbach, AT;
Herfried Lammer, St. Veit an der Glan, AT;
Ralf Schwenger, Weiler im Allgäu, DE;
Stefan Mohr, Dornbirn, AT;
Head Technology GmbH, Kennelbach, AT;
Abstract
The invention relates to a ball game racket frame () including a head portion (), a shaft portion () and a grip portion (). The ball game racket frame () comprises a fiber composite material having fibers embedded in a matrix. At least 5% of the fibers are natural fibers in at least one cross-section () of a portion of the ball game racket frame (). The invention further relates to a ball game racket frame () in which the proportion of natural fibers in at least one cross-section () of the shaft portion () and/or the grip portion (), respectively, is greater than the proportion of natural fibers in at least one cross-section () of the head portion (). The invention further relates to a method for manufacturing such ball game racket frames ().