JP4095973B2 - 伸縮構造体、およびこれを利用した筒体 - Google Patents
伸縮構造体、およびこれを利用した筒体 Download PDFInfo
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- JP4095973B2 JP4095973B2 JP2004065752A JP2004065752A JP4095973B2 JP 4095973 B2 JP4095973 B2 JP 4095973B2 JP 2004065752 A JP2004065752 A JP 2004065752A JP 2004065752 A JP2004065752 A JP 2004065752A JP 4095973 B2 JP4095973 B2 JP 4095973B2
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- mountain fold
- fold line
- structural units
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- sheet
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Description
12 シート状部材
14 構成単位
16 第1山折り線
18 第2山折り線
22 第3山折り線
24 谷折り線
Claims (2)
- シート状部材を折り畳むことによって構成された伸縮構造体であって、
縦方向へ互いに平行に延びる2本の第1山折り線と横方向へ互いに平行に延びる2本の第2山折り線とで囲まれた正方形の升目と、縦方向へ延びて前記升目を横方向へ均等に二分する第3山折り線と、前記升目の2本の対角線と一致する2本の谷折り線とを有する複数の構成単位が前記シート状部材に折り込まれ、
横方向に隣接する2つの前記構成単位がその境界部において前記第1山折り線を共有し、縦方向に隣接する2つの前記構成単位がその境界部において前記第2山折り線を共有し、縦方向に隣接する2つの前記構成単位における一方の前記第1山折り線と他方の前記第3山折り線とが直線状に連続する伸縮構造体。 - 請求項1に記載の伸縮構造体の横方向一方端部および他方端部を接続して筒状に形成した筒体。
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JP2004065752A JP4095973B2 (ja) | 2004-03-09 | 2004-03-09 | 伸縮構造体、およびこれを利用した筒体 |
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JP2004065752A JP4095973B2 (ja) | 2004-03-09 | 2004-03-09 | 伸縮構造体、およびこれを利用した筒体 |
Publications (2)
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JP2005256191A JP2005256191A (ja) | 2005-09-22 |
JP4095973B2 true JP4095973B2 (ja) | 2008-06-04 |
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JP2004065752A Expired - Fee Related JP4095973B2 (ja) | 2004-03-09 | 2004-03-09 | 伸縮構造体、およびこれを利用した筒体 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210073740A (ko) * | 2019-12-11 | 2021-06-21 | (사)한국섬유수출입협회 | 휴대가 용이한 접이식 섬유형 보호헬멧 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104029424A (zh) * | 2014-06-13 | 2014-09-10 | 李平 | 正圆球体 |
KR101623703B1 (ko) * | 2014-11-24 | 2016-06-07 | 유보영 | 종이접기로 이루어진 장식물 |
CN109674129B (zh) * | 2019-01-22 | 2023-09-01 | 深圳市新技术研究院有限公司 | 可折叠头盔 |
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2004
- 2004-03-09 JP JP2004065752A patent/JP4095973B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210073740A (ko) * | 2019-12-11 | 2021-06-21 | (사)한국섬유수출입협회 | 휴대가 용이한 접이식 섬유형 보호헬멧 |
KR102330996B1 (ko) * | 2019-12-11 | 2021-11-24 | (사)한국섬유수출입협회 | 휴대가 용이한 접이식 섬유형 보호헬멧 |
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