OPENING IMPLEMENT OF MANHOLE COVER
PROBLEM TO BE SOLVED: To obtain an opening implement of a manhole cover by which the manhole cover firmly stuck to the frame side with rust, adhesive, etc. can be easily opened. SOLUTION: A fixing part (20) fixing to the cover hole (31) of a manhole cover (30) is provided at the lower part of a hold...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
24.09.2004
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | PROBLEM TO BE SOLVED: To obtain an opening implement of a manhole cover by which the manhole cover firmly stuck to the frame side with rust, adhesive, etc. can be easily opened. SOLUTION: A fixing part (20) fixing to the cover hole (31) of a manhole cover (30) is provided at the lower part of a holder (11). A shock hammer (25) having a handle (28) in the holder (11) is formed to be vertically slidable. A pressure accepter (14) colliding with the shock hammer (25), when the shock hammer (25) moves upward by a specified height, is provided in the holder (11). COPYRIGHT: (C)2004,JPO&NCIPI |
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| AbstractList | PROBLEM TO BE SOLVED: To obtain an opening implement of a manhole cover by which the manhole cover firmly stuck to the frame side with rust, adhesive, etc. can be easily opened. SOLUTION: A fixing part (20) fixing to the cover hole (31) of a manhole cover (30) is provided at the lower part of a holder (11). A shock hammer (25) having a handle (28) in the holder (11) is formed to be vertically slidable. A pressure accepter (14) colliding with the shock hammer (25), when the shock hammer (25) moves upward by a specified height, is provided in the holder (11). COPYRIGHT: (C)2004,JPO&NCIPI |
| Author | FUJIWARA KOICHI |
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| Notes | Application Number: JP20030055912 |
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| RelatedCompanies | PUB GIKEN KK |
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| Snippet | PROBLEM TO BE SOLVED: To obtain an opening implement of a manhole cover by which the manhole cover firmly stuck to the frame side with rust, adhesive, etc. can... |
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| SubjectTerms | EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES |
| Title | OPENING IMPLEMENT OF MANHOLE COVER |
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