Title:
METHOD AND DEVICE FOR DETECTING LOOSENESS
Document Type and Number:
Japanese Patent JPH05332756
Kind Code:
A
Abstract:
PURPOSE:To surely detect a minute looseness or shaking with no possibility of radioactive exposure to an inspector without draining the water in the furnace core tank of an actual machine plant. CONSTITUTION:When a fluid 5 is injected to support pin structures 6-10 forming a measurement target by an injection nozzle 4, the behavior of the measurement target is detected by 2 signal detector 1. After the resulting detection signal is recorded by a recorder 3, the loosening state of the recorded measurement target is detected by the detection signal waveform.
Inventors:
IKEGAMI YASUHIKO
ICHINOO HIROYUKI
ICHINOO HIROYUKI
Application Number:
JP13679492A
Publication Date:
December 14, 1993
Filing Date:
May 28, 1992
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
G01B13/12; G21C17/10; (IPC1-7): G01B13/12; G21C17/10
Attorney, Agent or Firm:
Takehiko Suzue