JPS5246880A - Pressure resistance testing apparatus - Google Patents

Pressure resistance testing apparatus

Info

Publication number
JPS5246880A
JPS5246880A JP12250775A JP12250775A JPS5246880A JP S5246880 A JPS5246880 A JP S5246880A JP 12250775 A JP12250775 A JP 12250775A JP 12250775 A JP12250775 A JP 12250775A JP S5246880 A JPS5246880 A JP S5246880A
Authority
JP
Japan
Prior art keywords
testing apparatus
pressure resistance
resistance testing
work
internal
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
JP12250775A
Other languages
Japanese (ja)
Inventor
Toshizo Sawada
Yutaka Kojima
Hiroshi Morita
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.)
MORITA TEKKOSHO KK
Hitachi Ltd
Original Assignee
MORITA TEKKOSHO KK
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 MORITA TEKKOSHO KK, Hitachi Ltd filed Critical MORITA TEKKOSHO KK
Priority to JP12250775A priority Critical patent/JPS5246880A/en
Publication of JPS5246880A publication Critical patent/JPS5246880A/en
Pending legal-status Critical Current

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  • Examining Or Testing Airtightness (AREA)

Abstract

PURPOSE: Internal and external pressures are always balanced by steadily increasing the external pressure according to the increase or decrease of the internal pressure of a work, whereby thedeformation and failure of the work are prevented, and lessening of manpower of hydrostatic testing operations is achieved.
COPYRIGHT: (C)1977,JPO&Japio
JP12250775A 1975-10-13 1975-10-13 Pressure resistance testing apparatus Pending JPS5246880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12250775A JPS5246880A (en) 1975-10-13 1975-10-13 Pressure resistance testing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12250775A JPS5246880A (en) 1975-10-13 1975-10-13 Pressure resistance testing apparatus

Publications (1)

Publication Number Publication Date
JPS5246880A true JPS5246880A (en) 1977-04-14

Family

ID=14837546

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12250775A Pending JPS5246880A (en) 1975-10-13 1975-10-13 Pressure resistance testing apparatus

Country Status (1)

Country Link
JP (1) JPS5246880A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5832817A (en) * 1995-03-01 1998-11-10 Bignell; George Constant pressure paper press

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5832817A (en) * 1995-03-01 1998-11-10 Bignell; George Constant pressure paper press

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