FR780431A - épreuve d'étanchéité sur revêtements protecteurs - Google Patents

épreuve d'étanchéité sur revêtements protecteurs

Info

Publication number
FR780431A
FR780431A FR780431DA FR780431A FR 780431 A FR780431 A FR 780431A FR 780431D A FR780431D A FR 780431DA FR 780431 A FR780431 A FR 780431A
Authority
FR
France
Prior art keywords
protective coatings
waterproofing test
waterproofing
test
coatings
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
English (en)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR780431A publication Critical patent/FR780431A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Paints Or Removers (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
FR780431D 1933-04-20 1934-10-29 épreuve d'étanchéité sur revêtements protecteurs Expired FR780431A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI47026D DE643031C (de) 1933-04-20 1933-04-20 Verfahren zum Anzeigen von Poren in schuetzenden UEberzuegen

Publications (1)

Publication Number Publication Date
FR780431A true FR780431A (fr) 1935-04-26

Family

ID=7191908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780431D Expired FR780431A (fr) 1933-04-20 1934-10-29 épreuve d'étanchéité sur revêtements protecteurs

Country Status (2)

Country Link
DE (1) DE643031C (fr)
FR (1) FR780431A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745698C (de) * 1940-11-06 1944-05-19 Ig Farbenindustrie Ag Verfahren zum Feststellen von Lunkern oder aehnlichen Fehlern in Gussstuecken aus Leichtmetallegierungen, insbesondere Magnesiumlegierungen
DE963198C (de) * 1943-12-24 1957-05-02 Pintsch Bamag Ag Verfahren zur Untersuchung von Hochvakuum- oder Druckgefaessen auf Dichtigkeit
DE925381C (de) * 1952-02-01 1955-03-21 Basf Ag Flaechenartige Indikatormassen zur Feststellung von Schadstellen in korrosionsbestaendigen UEberzuegen auf Eisengegenstaenden

Also Published As

Publication number Publication date
DE643031C (de) 1937-03-22

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