CS202020B2 - Process for blacking surface of frames made from ferrous metals and punched mask welded to it for panels of cathode tubes - Google Patents

Process for blacking surface of frames made from ferrous metals and punched mask welded to it for panels of cathode tubes Download PDF

Info

Publication number
CS202020B2
CS202020B2 CS786201A CS620178A CS202020B2 CS 202020 B2 CS202020 B2 CS 202020B2 CS 786201 A CS786201 A CS 786201A CS 620178 A CS620178 A CS 620178A CS 202020 B2 CS202020 B2 CS 202020B2
Authority
CS
Czechoslovakia
Prior art keywords
mask
frame
nitrate
coating
coated
Prior art date
Application number
CS786201A
Other languages
Czech (cs)
English (en)
Inventor
Earle S Thall
John J Moscony
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of CS202020B2 publication Critical patent/CS202020B2/cs

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/70Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using melts
    • C23C22/72Treatment of iron or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
CS786201A 1977-09-26 1978-09-25 Process for blacking surface of frames made from ferrous metals and punched mask welded to it for panels of cathode tubes CS202020B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/836,422 US4149908A (en) 1977-09-26 1977-09-26 Method for blackening the surfaces of a body of ferrous metal

Publications (1)

Publication Number Publication Date
CS202020B2 true CS202020B2 (en) 1980-12-31

Family

ID=25271938

Family Applications (1)

Application Number Title Priority Date Filing Date
CS786201A CS202020B2 (en) 1977-09-26 1978-09-25 Process for blacking surface of frames made from ferrous metals and punched mask welded to it for panels of cathode tubes

Country Status (13)

Country Link
US (1) US4149908A (pl)
JP (1) JPS5456949A (pl)
AU (1) AU4004678A (pl)
CS (1) CS202020B2 (pl)
DD (1) DD140760A5 (pl)
DE (1) DE2841893A1 (pl)
FI (1) FI782858A7 (pl)
FR (1) FR2404295A1 (pl)
GB (1) GB2007722B (pl)
IT (1) IT1099057B (pl)
NL (1) NL7809712A (pl)
PL (1) PL112954B1 (pl)
YU (1) YU226778A (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9999546B2 (en) 2014-06-16 2018-06-19 Illinois Tool Works Inc. Protective headwear with airflow
US11812816B2 (en) 2017-05-11 2023-11-14 Illinois Tool Works Inc. Protective headwear with airflow

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2289443A (en) * 1941-03-21 1942-07-14 Jackes Evans Mfg Company Method and composition for treating steel
US2431986A (en) * 1942-07-22 1947-12-02 American Rolling Mill Co Coloring stainless steel
US2618578A (en) * 1950-10-13 1952-11-18 Armco Steel Corp Blackening stainless steel
GB766552A (en) * 1952-12-03 1957-01-23 Asea Ab "method for the electrical insulation of the surface of metallic sheets for laminated magnetic cores"
GB834834A (en) * 1957-04-16 1960-05-11 Muirhead & Co Ltd Surface blackening process for steels
US3085035A (en) * 1960-06-20 1963-04-09 Gen Motors Corp Composition and method for cleaning and blackening metal dies
US3437532A (en) * 1965-07-14 1969-04-08 Allegheny Ludlum Steel Dark colored stainless steel surfaces
US3540942A (en) * 1968-02-05 1970-11-17 Nasa Process for applying black coating to metals
US3867207A (en) * 1973-05-29 1975-02-18 Gte Sylvania Inc Method of blackening a steel component for a color cathode ray tube
US3935036A (en) * 1974-02-19 1976-01-27 Zenith Radio Corporation Method of forming a dark, very adherent coating on a CRT mask assembly
JPS5311132A (en) * 1976-07-19 1978-02-01 Hitachi Metals Ltd Process for blackening pipe

Also Published As

Publication number Publication date
JPS5456949A (en) 1979-05-08
DD140760A5 (de) 1980-03-26
FI782858A7 (fi) 1979-03-27
IT1099057B (it) 1985-09-18
GB2007722A (en) 1979-05-23
GB2007722B (en) 1982-05-26
PL112954B1 (en) 1980-11-29
NL7809712A (nl) 1979-03-28
YU226778A (en) 1982-06-30
FR2404295A1 (fr) 1979-04-20
DE2841893A1 (de) 1979-03-29
US4149908A (en) 1979-04-17
JPS5639713B2 (pl) 1981-09-16
IT7827563A0 (it) 1978-09-12
PL209774A1 (pl) 1979-05-07
AU4004678A (en) 1980-03-27

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