JPS5431055A - Method and apparatus for tracing and detecting center line of groove - Google Patents

Method and apparatus for tracing and detecting center line of groove

Info

Publication number
JPS5431055A
JPS5431055A JP9691277A JP9691277A JPS5431055A JP S5431055 A JPS5431055 A JP S5431055A JP 9691277 A JP9691277 A JP 9691277A JP 9691277 A JP9691277 A JP 9691277A JP S5431055 A JPS5431055 A JP S5431055A
Authority
JP
Japan
Prior art keywords
tracing
groove
center line
detecting center
vibrator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9691277A
Other languages
Japanese (ja)
Other versions
JPS5921268B2 (en
Inventor
Yoshihide Kondou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Babcock Hitachi KK filed Critical Babcock Hitachi KK
Priority to JP9691277A priority Critical patent/JPS5921268B2/en
Publication of JPS5431055A publication Critical patent/JPS5431055A/en
Publication of JPS5921268B2 publication Critical patent/JPS5921268B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: To improve the accuracy in tracing the center lineoof the groove, by controlling to a specified range the ratio, between the resonance frequency of the vibrator for tracing the center into of the groove and the vibration frequency given to the vibrator.
COPYRIGHT: (C)1979,JPO&Japio
JP9691277A 1977-08-15 1977-08-15 Method and device for detecting center between weld groove surfaces Expired JPS5921268B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9691277A JPS5921268B2 (en) 1977-08-15 1977-08-15 Method and device for detecting center between weld groove surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9691277A JPS5921268B2 (en) 1977-08-15 1977-08-15 Method and device for detecting center between weld groove surfaces

Publications (2)

Publication Number Publication Date
JPS5431055A true JPS5431055A (en) 1979-03-07
JPS5921268B2 JPS5921268B2 (en) 1984-05-18

Family

ID=14177564

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9691277A Expired JPS5921268B2 (en) 1977-08-15 1977-08-15 Method and device for detecting center between weld groove surfaces

Country Status (1)

Country Link
JP (1) JPS5921268B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01265856A (en) * 1989-03-08 1989-10-23 Nichirei Corp Apparatus for preparation of frozen cooked rice of loosened state

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521402C1 (en) * 1985-06-14 1986-10-02 Keiper Recaro GmbH & Co, 5630 Remscheid Upholstery carrier for the backrest of a vehicle seat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01265856A (en) * 1989-03-08 1989-10-23 Nichirei Corp Apparatus for preparation of frozen cooked rice of loosened state
JPH0577373B2 (en) * 1989-03-08 1993-10-26 Nichirei Kk

Also Published As

Publication number Publication date
JPS5921268B2 (en) 1984-05-18

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