Method for producing frequency matched sets of composite golf club shafts
CA 1317751 C · Owner: Brunswick Corporation · Inventors: Braly, Warren K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
METHOD FOR PRODUCING FREQUENCY MATCHED SETS OF composite GOLF CLUB shafts, ABSTRACT In the production of a matched set of golf clubs the most accurate method for matching the flex of each shaft in the set is through the use of an electronic frequency analyzer which measures the vibrational frequencies of the shafts or clubs. With most high quality steel shafts, such frequency measurements are generally reproducible and serve as a reliable index of shaft flexibility It has been found for some shafts, particularly for composite shafts that, frequency measurements taken along different crosssectional diameters may vary. For such shafts it has, been found that frequency measurements will be …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 18, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 18, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.