CA982422A - Method and apparatus for applying an internal coating to a cathode-ray tube - Google Patents

Method and apparatus for applying an internal coating to a cathode-ray tube

Info

Publication number
CA982422A
CA982422A CA156,103A CA156103A CA982422A CA 982422 A CA982422 A CA 982422A CA 156103 A CA156103 A CA 156103A CA 982422 A CA982422 A CA 982422A
Authority
CA
Canada
Prior art keywords
cathode
applying
ray tube
internal coating
coating
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
CA156,103A
Other versions
CA156103S (en
Inventor
Donald E. Nuehring
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio 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 Zenith Radio Corp filed Critical Zenith Radio Corp
Application granted granted Critical
Publication of CA982422A publication Critical patent/CA982422A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/88—Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/88—Coatings
    • H01J2229/882—Coatings having particular electrical resistive or conductive properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
CA156,103A 1972-02-02 1972-11-09 Method and apparatus for applying an internal coating to a cathode-ray tube Expired CA982422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22287472A 1972-02-02 1972-02-02

Publications (1)

Publication Number Publication Date
CA982422A true CA982422A (en) 1976-01-27

Family

ID=22834084

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,103A Expired CA982422A (en) 1972-02-02 1972-11-09 Method and apparatus for applying an internal coating to a cathode-ray tube

Country Status (2)

Country Link
US (1) US3791846A (en)
CA (1) CA982422A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125088A (en) * 1977-01-21 1978-11-14 Sony Corporation Automatic spray coating machine
FR2382762A1 (en) * 1978-01-20 1978-09-29 Sony Corp CRT interior coating system - operates using automatic masking of selected zones of tube inside surface
US4472451A (en) * 1983-01-21 1984-09-18 Nordson Corporation Mold masking apparatus and method
US5104686A (en) * 1990-10-12 1992-04-14 Zenith Electronics Corporation CRT funnel coating apparatus and method
KR100329082B1 (en) * 1997-09-25 2002-03-18 니시무로 타이죠 Rotation transmission apparatus and apparatus for forming surface film of panel for cathode-ray tubes using the same
JP3671696B2 (en) * 1998-09-29 2005-07-13 松下電器産業株式会社 Method for manufacturing cathode ray tube
US6669525B2 (en) 2001-11-29 2003-12-30 Thomson Licensing S.A. Neck cleaning method for a CRT
CN110508420A (en) * 2019-07-17 2019-11-29 高邮市仁和机械配件厂 Spray-painting plant is used in a kind of processing of motorcycle accessories

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2709414A (en) * 1951-09-18 1955-05-31 Sylvania Electric Prod Coating machine for cathode ray tubes
US2831455A (en) * 1955-08-04 1958-04-22 Philco Corp Masking means
US3296999A (en) * 1963-11-27 1967-01-10 Continental Can Co Apparatus for shielding pail open tops while spraying body exteriors
US3536527A (en) * 1967-09-11 1970-10-27 Nat Video Corp Means and method for reducing sparking in cathode ray tubes
US3701674A (en) * 1970-08-12 1972-10-31 Rca Corp Apparatus and method for applying a bead of sealing material to a sealing surface of a cathode-ray tube

Also Published As

Publication number Publication date
US3791846A (en) 1974-02-12

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