FR857777A - Method and apparatus for checking the tightness of welds - Google Patents

Method and apparatus for checking the tightness of welds

Info

Publication number
FR857777A
FR857777A FR857777DA FR857777A FR 857777 A FR857777 A FR 857777A FR 857777D A FR857777D A FR 857777DA FR 857777 A FR857777 A FR 857777A
Authority
FR
France
Prior art keywords
welds
tightness
checking
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.)
Expired
Application number
Other languages
French (fr)
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.)
PARISIENNE POUR L IND DES CHEM
Original Assignee
PARISIENNE POUR L IND DES CHEM
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 PARISIENNE POUR L IND DES CHEM filed Critical PARISIENNE POUR L IND DES CHEM
Application granted granted Critical
Publication of FR857777A publication Critical patent/FR857777A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2884—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for welds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR857777D 1939-04-06 1939-04-06 Method and apparatus for checking the tightness of welds Expired FR857777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR857777T 1939-04-06

Publications (1)

Publication Number Publication Date
FR857777A true FR857777A (en) 1940-09-28

Family

ID=9329622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857777D Expired FR857777A (en) 1939-04-06 1939-04-06 Method and apparatus for checking the tightness of welds

Country Status (1)

Country Link
FR (1) FR857777A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660053A (en) * 1950-02-02 1953-11-24 Smith Corp A O Flexible seam testing device
US4513605A (en) * 1982-01-20 1985-04-30 Manfred Hawerkamp Method and device for testing welds of thermoplastic parts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660053A (en) * 1950-02-02 1953-11-24 Smith Corp A O Flexible seam testing device
US4513605A (en) * 1982-01-20 1985-04-30 Manfred Hawerkamp Method and device for testing welds of thermoplastic parts

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