Title:
ダイビング・フェイス・マスク用ストラップ
Document Type and Number:
Japanese Patent JP4277006
Kind Code:
B2
Abstract:
A strap for diving face mask includes an upper branched sub-section and a lower branched sub-section forming together a loop section in a middle zone of the strap as viewed lengthwise. The upper branched sub-section has a circumferential length larger than a circumferential length of the lower branched sub-section and preferably right and left halves of the strap are sloped toward the side of the lower branched sub-section.
Inventors:
Hiromasa Sato
Yuji Kuroda
Minoru Takeuchi
Yuji Kuroda
Minoru Takeuchi
Application Number:
JP2005018886A
Publication Date:
June 10, 2009
Filing Date:
January 26, 2005
Export Citation:
Assignee:
Tabata Co., Ltd.
International Classes:
A61F9/02; A63B33/00
Domestic Patent References:
| JP2004073878A |
Foreign References:
| US6138287 | ||||
| US5813056 |
Attorney, Agent or Firm:
Yoshiharu Shirahama
Previous Patent: 光ピックアップ装置
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