JPS52127287A - Defective welding detector - Google Patents

Defective welding detector

Info

Publication number
JPS52127287A
JPS52127287A JP4254176A JP4254176A JPS52127287A JP S52127287 A JPS52127287 A JP S52127287A JP 4254176 A JP4254176 A JP 4254176A JP 4254176 A JP4254176 A JP 4254176A JP S52127287 A JPS52127287 A JP S52127287A
Authority
JP
Japan
Prior art keywords
defective welding
welding detector
welding
detector
defective
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.)
Pending
Application number
JP4254176A
Other languages
Japanese (ja)
Inventor
Hirotomo Koiwai
Takashi Yamanoi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4254176A priority Critical patent/JPS52127287A/en
Publication of JPS52127287A publication Critical patent/JPS52127287A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To detect a welding defection consisting of large and small holes at one measurement, by feeding high-pressure and low-pressure air to a place defective in welding.
COPYRIGHT: (C)1977,JPO&Japio
JP4254176A 1976-04-16 1976-04-16 Defective welding detector Pending JPS52127287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4254176A JPS52127287A (en) 1976-04-16 1976-04-16 Defective welding detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4254176A JPS52127287A (en) 1976-04-16 1976-04-16 Defective welding detector

Publications (1)

Publication Number Publication Date
JPS52127287A true JPS52127287A (en) 1977-10-25

Family

ID=12638915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4254176A Pending JPS52127287A (en) 1976-04-16 1976-04-16 Defective welding detector

Country Status (1)

Country Link
JP (1) JPS52127287A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01203931A (en) * 1988-02-09 1989-08-16 Toyama Kensa Kk Small-sized leak testing instrument for tank, pipe, or the like

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4718919U (en) * 1971-04-01 1972-11-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4718919U (en) * 1971-04-01 1972-11-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01203931A (en) * 1988-02-09 1989-08-16 Toyama Kensa Kk Small-sized leak testing instrument for tank, pipe, or the like

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