Title:
BUBBLE RETAINER FOR WATERBORNE VEHICLE
Document Type and Number:
WIPO Patent Application WO/2021/075001
Kind Code:
A1
Abstract:
[Problem] An object of the present invention is to provide a bubble retainer for a waterborne vehicle, and particularly a bubble retainer disposed on a bottom surface of a surfboard, in order to realize proper buoyancy and to provide a "surfboard that helps provide speed". [Solution] To achieve the stated object, the bubble retainer for a waterborne vehicle according to the present invention is provided with an assembly forming a plurality of small holes on a surface of a bottom of the waterborne vehicle, and by holding bubbles in the holes, reduces frictional resistance when the waterborne vehicle travels.
Inventors:
FUJII TAKAHIRO (JP)
Application Number:
PCT/JP2019/040687
Publication Date:
April 22, 2021
Filing Date:
October 16, 2019
Export Citation:
Assignee:
TRY AND E CO LTD (JP)
International Classes:
B63B35/79
Foreign References:
| JP2009255621A | 2009-11-05 | |||
| US5238434A | 1993-08-24 | |||
| JP2015199489A | 2015-11-12 | |||
| JP2011240918A | 2011-12-01 | |||
| CN101618761A | 2010-01-06 |
Attorney, Agent or Firm:
SHIMODA Yoshio (JP)
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