DE176766C - - Google Patents

Info

Publication number
DE176766C
DE176766C DENDAT176766D DE176766DA DE176766C DE 176766 C DE176766 C DE 176766C DE NDAT176766 D DENDAT176766 D DE NDAT176766D DE 176766D A DE176766D A DE 176766DA DE 176766 C DE176766 C DE 176766C
Authority
DE
Germany
Prior art keywords
tubes
suction
tight
flap
leaky
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.)
Active
Application number
DENDAT176766D
Other languages
German (de)
English (en)
Publication of DE176766C publication Critical patent/DE176766C/de
Active 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
    • G01M3/2846—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 tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
DENDAT176766D Active DE176766C (OSRAM)

Publications (1)

Publication Number Publication Date
DE176766C true DE176766C (OSRAM)

Family

ID=441309

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT176766D Active DE176766C (OSRAM)

Country Status (1)

Country Link
DE (1) DE176766C (OSRAM)

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