Title:
複合材の外層に切り抜きが施されたスポーツ用具
Document Type and Number:
Japanese Patent JP7397088
Kind Code:
B2
Abstract:
A piece of tubular sports equipment includes: a first layer of composite material including fibers oriented in a first direction; a second layer of composite material that directly contacts the first layer of composite material, that is arranged radially outwardly of the first layer of composite material, and that includes fibers oriented in a second direction that is different than the first direction; and a third layer of composite material that directly contacts the second layer of composite material, that is arranged radially outwardly of the second layer of composite material, that includes fibers oriented in a third direction that is different than the second direction, and that includes an aperture formed through the third layer such that a portion of the second layer is visible through the aperture.
Inventors:
Brown Jr., Donald Collins
Morner, Brian Christopher
Morner, Brian Christopher
Application Number:
JP2021546292A
Publication Date:
December 12, 2023
Filing Date:
January 29, 2020
Export Citation:
Assignee:
True Temper Sports Inc.
International Classes:
A63B53/10; A63B59/20; A63B59/54; A63B59/70
Domestic Patent References:
| JP201839162A | ||||
| JP2013252711A | ||||
| JP2006158880A |
Foreign References:
| US20130324288 | ||||
| US20180001165 |
Attorney, Agent or Firm:
Patent Attorney Corporation Isshiki International Patent Office