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JPS5586049A - Shadow mask frame structure and its manufacturing method - Google Patents

Shadow mask frame structure and its manufacturing method

Info

Publication number
JPS5586049A
JPS5586049A JP15849278A JP15849278A JPS5586049A JP S5586049 A JPS5586049 A JP S5586049A JP 15849278 A JP15849278 A JP 15849278A JP 15849278 A JP15849278 A JP 15849278A JP S5586049 A JPS5586049 A JP S5586049A
Authority
JP
Japan
Prior art keywords
section
skirt
hardening
frame structure
shadow mask
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.)
Granted
Application number
JP15849278A
Other languages
Japanese (ja)
Other versions
JPS6131936B2 (en
Inventor
Tetsuo Hasegawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP15849278A priority Critical patent/JPS5586049A/en
Publication of JPS5586049A publication Critical patent/JPS5586049A/en
Publication of JPS6131936B2 publication Critical patent/JPS6131936B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0722—Frame

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

PURPOSE:To economically manufacture the shadow mask frame structure with high mechanical strength by hardening the skirt and flange sections which are bent and formed on the edge of the effective section. CONSTITUTION:The shadow mask frame structure 21 consists of the effective section 25 which is composed of the hole section whose opening sections 22 are perforated regularly and non-hole section 24 on its peripherary, the skirt section 26 formed by bending and molding the edge of the effective section 25, and the flange section 27. Hardening is applied from almost the central part (shown by dashed lines) of the skirt section 26 to the flunge 27. This hardening is performed by the chemical hardening method by which the tip section (shown in the arrow 29) from the central part 28 of the skirt 26 is inserted into a carbonized box and by the physical hardening method by which the tip section from the central part of the skirt 26 is high-frequency-heated and is then quenched.
JP15849278A 1978-12-25 1978-12-25 Shadow mask frame structure and its manufacturing method Granted JPS5586049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15849278A JPS5586049A (en) 1978-12-25 1978-12-25 Shadow mask frame structure and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15849278A JPS5586049A (en) 1978-12-25 1978-12-25 Shadow mask frame structure and its manufacturing method

Publications (2)

Publication Number Publication Date
JPS5586049A true JPS5586049A (en) 1980-06-28
JPS6131936B2 JPS6131936B2 (en) 1986-07-23

Family

ID=15672916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15849278A Granted JPS5586049A (en) 1978-12-25 1978-12-25 Shadow mask frame structure and its manufacturing method

Country Status (1)

Country Link
JP (1) JPS5586049A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4593225A (en) * 1984-08-31 1986-06-03 Zenith Electronics Corporation Tension mask colar cathode ray tube
JPH054966U (en) * 1991-07-02 1993-01-26 株式会社白寿生科学研究所 Futon for health
EP0709872A3 (en) * 1994-10-28 1996-07-17 Matsushita Electronics Corp Color cathode ray tube apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4593225A (en) * 1984-08-31 1986-06-03 Zenith Electronics Corporation Tension mask colar cathode ray tube
JPH054966U (en) * 1991-07-02 1993-01-26 株式会社白寿生科学研究所 Futon for health
EP0709872A3 (en) * 1994-10-28 1996-07-17 Matsushita Electronics Corp Color cathode ray tube apparatus

Also Published As

Publication number Publication date
JPS6131936B2 (en) 1986-07-23

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