Title:
GAS FLOW INSPECTING IMPLEMENT
Document Type and Number:
Japanese Patent JPH0843420
Kind Code:
A
Abstract:
PURPOSE: To make it possible to check up simply the presence or absence of a gas flow toward a downstream-side piping.
CONSTITUTION: A movable body-holding tube 1 having an-shaped rising passage extending from an inflow hole 13 provided in the lower end part to an outflow hole 14 provided in the side wall in the vicinity of the upper end, is provided and a movable body 6 which is made to rise by a gas flow from a downward descent position to a rise position in the vicinity of the upper end is held in the movable-body holding tube 1. A transparent part for observing the movable body 6 present at the rise position is provided in a part or the whole of a wall of this movable body-holding tube 1 constructing the upper end face thereof.
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Inventors:
TAKEMURA KOJI
YAMAOKA MAMORU
TAKAHASHI NOBORU
YAMAOKA MAMORU
TAKAHASHI NOBORU
Application Number:
JP17920394A
Publication Date:
February 16, 1996
Filing Date:
July 29, 1994
Export Citation:
Assignee:
FUJII GOKIN SEISAKUSHO CO LTD
KEIYO GAS KK
KEIYO GAS KK
International Classes:
G01F1/00; C04B28/18; F16L55/00; G01P13/00; (IPC1-7): G01P13/00; F16L55/00; G01F1/00
Attorney, Agent or Firm:
Yoshihiro Sakagami
Next Patent: ULTRASONIC TYPE ANEMOMETER