FR2239758B1 - - Google Patents

Info

Publication number
FR2239758B1
FR2239758B1 FR7426583A FR7426583A FR2239758B1 FR 2239758 B1 FR2239758 B1 FR 2239758B1 FR 7426583 A FR7426583 A FR 7426583A FR 7426583 A FR7426583 A FR 7426583A FR 2239758 B1 FR2239758 B1 FR 2239758B1
Authority
FR
France
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
FR7426583A
Other versions
FR2239758A1 (fr
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics 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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Publication of FR2239758A1 publication Critical patent/FR2239758A1/fr
Application granted granted Critical
Publication of FR2239758B1 publication Critical patent/FR2239758B1/fr
Expired 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/06—Re-forming tubes or rods by bending
    • C03B23/065—Re-forming tubes or rods by bending in only one plane, e.g. for making circular neon tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
FR7426583A 1973-08-02 1974-07-31 Expired FR2239758B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48087392A JPS5218513B2 (fr) 1973-08-02 1973-08-02

Publications (2)

Publication Number Publication Date
FR2239758A1 FR2239758A1 (fr) 1975-02-28
FR2239758B1 true FR2239758B1 (fr) 1976-10-22

Family

ID=13913601

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7426583A Expired FR2239758B1 (fr) 1973-08-02 1974-07-31

Country Status (8)

Country Link
US (1) US3920434A (fr)
JP (1) JPS5218513B2 (fr)
CA (1) CA1022341A (fr)
DE (1) DE2436933C3 (fr)
FR (1) FR2239758B1 (fr)
GB (1) GB1479951A (fr)
IT (1) IT1017841B (fr)
NL (1) NL157579B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5289283A (en) * 1976-01-20 1977-07-26 Matsushita Electronics Corp Process and apparatus for manufacturing fluorescent lamps
JPS5675230U (fr) * 1979-11-16 1981-06-19
US5041152A (en) * 1987-03-26 1991-08-20 Kabushiki Kaisha Toshiba Apparatus for bending tubular glass
JPH03117020U (fr) * 1990-03-13 1991-12-04

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE478391A (fr) * 1945-01-26
US2611216A (en) * 1949-03-25 1952-09-23 Cons Electric Lamp Company Method of and machine for making circular fluorescent lamps
US3215518A (en) * 1960-07-16 1965-11-02 Philips Corp Device for bending a straight tube into a circular shape

Also Published As

Publication number Publication date
FR2239758A1 (fr) 1975-02-28
DE2436933C3 (de) 1979-05-03
CA1022341A (fr) 1977-12-13
US3920434A (en) 1975-11-18
NL7410380A (nl) 1975-02-04
JPS5218513B2 (fr) 1977-05-21
DE2436933B2 (de) 1978-08-31
JPS5035968A (fr) 1975-04-04
NL157579B (nl) 1978-08-15
GB1479951A (en) 1977-07-13
DE2436933A1 (de) 1975-02-20
IT1017841B (it) 1977-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse