Title:
バルブ用緩み止め具およびバルブ
Document Type and Number:
Japanese Patent JP7473974
Kind Code:
B2
Abstract:
To provide a looseness prevention tool for a valve capable of being mounted without needing readjustment of a valve such as a door closer after end of a painting process, and a valve adapted to the looseness prevention tool for a valve.SOLUTION: A synthetic resin-based looseness prevention tool for a valve for preventing looseness of a valve attached to a valve mounting hole, comprises a cylindrical looseness prevention tool body, where an inner peripheral surface of the looseness prevention tool body is used as a valve holding part, an outer peripheral surface of the looseness prevention tool body is used as a looseness prevention part, and an opening edge of a lower end of the valve holding part is used as an insertion port into a valve head, where the insertion port is axially inserted into the valve head. A valve adapted to the looseness prevention tool for a valve is also provided.SELECTED DRAWING: Figure 1
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Inventors:
Koji Demukai
Application Number:
JP2021180556A
Publication Date:
April 24, 2024
Filing Date:
November 04, 2021
Export Citation:
Assignee:
Nippon Door Arch Tech Manufacturing Co., Ltd.
International Classes:
F16K51/00; E05F3/12; F16B7/20; F16B39/10
Domestic Patent References:
| JP2010531962A |
Foreign References:
| US4148111 |
Attorney, Agent or Firm:
Ishida Patent Attorney Corporation
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