Title:
SAFETY HELMET
Document Type and Number:
WIPO Patent Application WO/2023/095897
Kind Code:
A1
Abstract:
A safety helmet (1) comprising a crown (2) formed from a semi-cylindrical circumferential surface part (4) and a pair of end surface parts (6) that are located at opposite ends of the circumferential surface part (4) in the cylindrical axis direction and are linked via ridge parts, wherein: the circumferential surface part (4) is formed from a pair of upper quadrilateral panels (7) and a pair of lower quadrilateral panels (8); each of the end surface parts (6) is formed from a pair of upper tapered panels (9) and a pair of lower tapered panels (10); the ridge part that passes between the pair of upper quadrilateral panels (7) and between the pair of upper tapered panels (9) of both end surface parts (6) constitutes a valley-fold ridge part (11); the ridge parts that each pass between an upper quadrilateral panel (7) and a lower quadrilateral panel (8) and between an upper tapered panel (9) and a lower tapered panel (10) of each of the end surfaces (6) constitute mountain-fold ridge parts (12); the upper quadrilateral panels (7), the lower quadrilateral panels (8), the upper tapered panels (9), and the lower tapered panels (10) all have a shock-absorbing material (14); and the ridge parts do not have the shock-absorbing material (14).
Inventors:
MIEDA TETSUO (JP)
KAWANO AKIE (JP)
HORIGUCHI TOMOYUKI (JP)
KAWANO AKIE (JP)
HORIGUCHI TOMOYUKI (JP)
Application Number:
PCT/JP2022/043633
Publication Date:
June 01, 2023
Filing Date:
November 25, 2022
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
A42B1/201; A42B3/32
Foreign References:
| JP2014234563A | 2014-12-15 | |||
| JP3207645U | 2016-11-24 | |||
| JP2020076166A | 2020-05-21 | |||
| JP2019073823A | 2019-05-16 | |||
| JP2017110315A | 2017-06-22 | |||
| US20140007324A1 | 2014-01-09 | |||
| US20210204632A1 | 2021-07-08 |
Attorney, Agent or Firm:
AWANO HARUO (JP)
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