Title:
消火器用圧力計および目盛板
Document Type and Number:
Japanese Patent JP7372180
Kind Code:
B2
Abstract:
To provide a pressure gauge for a fire extinguisher and a scale plate capable of improving a yield.SOLUTION: A pressure gauge for a fire extinguisher includes a case body connected to a measured part, which is made of metal and formed into a plate shape; a resin transparent cover part attached to the case body, which forms a storage space together with the case body; a Bourdon tube stored in the storage space, to which pressure from the measured part is introduced; a pointer part provided in the peripheral part of the Bourdon tube; and a scale plate 8 in which a sign indicating the pressure of the measured part is displayed, and which is attached to the case body. The scale plate 8 is composed by sequentially laminating a base layer 81A, a first colored layer 81B colored in a first color, a transparent layer 81C, and a second colored layer 81D colored in a second color different from the first color. A recessed part 82 is formed at a position indicating a zero point of the scale plate 8 over the second colored layer 81D and the transparent layer 81C.SELECTED DRAWING: Figure 4
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Inventors:
Go Sato
Koji Sato
Akiyasu Yamada
Masafumi Nishimura
Koji Sato
Akiyasu Yamada
Masafumi Nishimura
Application Number:
JP2020041807A
Publication Date:
October 31, 2023
Filing Date:
March 11, 2020
Export Citation:
Assignee:
Nagano Keiki Co., Ltd.
International Classes:
A62C13/76; G01L7/04
Domestic Patent References:
| JP2007033340A | ||||
| JP2012026872A | ||||
| JP3057622U | ||||
| JP2003106917A | ||||
| JP3426167B2 | ||||
| JP3211528U | ||||
| JP2000305495A |
Foreign References:
| US4279161 |
Attorney, Agent or Firm:
Patent Attorney Corporation Kinoshita Intellectual Property Office