Title:
GAS-BLAST CIRCUIT BREAKER
Document Type and Number:
Japanese Patent JP2004132878
Kind Code:
A
Abstract:
To specify a detailed content about an article number and a lot of a using component.
A discrimination display part 2 for conducting lot traceability of a control substrate 1 is printed preliminarily with color printing, in this gas circuit breaker provided with a gasmeter for detecting the moving of a magnet in response to a gas flow rate to measure the flow rate, and the control substrate for controlling a cutoff valve provided in a gas flow passage. The discrimination display part is directly printed thereby to reduce components for printing discrimination display, and manhours for attaching the components.
Inventors:
KAMIYAMA KAZUNORI
FUKUYAMA DAISUKE
MORI YOSHIMASA
FUKUYAMA DAISUKE
MORI YOSHIMASA
Application Number:
JP2002298788A
Publication Date:
April 30, 2004
Filing Date:
October 11, 2002
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G01F3/22; F16L1/024; F16L17/00; (IPC1-7): G01F3/22; F16L1/024; F16L17/00
Attorney, Agent or Firm:
Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito
Tomoyasu Sakaguchi
Hiroki Naito