CA1022340A - Methode de fabrication des enveloppes de lampes toriques - Google Patents

Methode de fabrication des enveloppes de lampes toriques

Info

Publication number
CA1022340A
CA1022340A CA215,507A CA215507A CA1022340A CA 1022340 A CA1022340 A CA 1022340A CA 215507 A CA215507 A CA 215507A CA 1022340 A CA1022340 A CA 1022340A
Authority
CA
Canada
Prior art keywords
manufacturing
lamp envelope
tubular lamp
tubular
envelope
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
CA215,507A
Other languages
English (en)
Other versions
CA215507S (en
Inventor
Jan Man In't Veld
Adrianus A. Hurx
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1022340A publication Critical patent/CA1022340A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
CA215,507A 1973-12-13 1974-12-09 Methode de fabrication des enveloppes de lampes toriques Expired CA1022340A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7317073A NL7317073A (nl) 1973-12-13 1973-12-13 Werkwijze voor het vervaardigen van een buisvor- mig lampvat.

Publications (1)

Publication Number Publication Date
CA1022340A true CA1022340A (fr) 1977-12-13

Family

ID=19820197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215,507A Expired CA1022340A (fr) 1973-12-13 1974-12-09 Methode de fabrication des enveloppes de lampes toriques

Country Status (12)

Country Link
US (1) US3958971A (fr)
JP (1) JPS598938B2 (fr)
AR (1) AR206135A1 (fr)
AU (1) AU7627374A (fr)
BE (1) BE823243A (fr)
CA (1) CA1022340A (fr)
DE (1) DE2456703A1 (fr)
ES (1) ES432803A1 (fr)
FR (1) FR2254528A1 (fr)
GB (1) GB1430909A (fr)
IT (1) IT1026954B (fr)
NL (1) NL7317073A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5693247A (en) * 1979-12-27 1981-07-28 Toshiba Corp Fabrication and device for circular fluorescent lamp
US5766295A (en) * 1995-03-17 1998-06-16 Matsushita Electronics Corporation Method of manufacturing a spiral fluorescent tube
CN105097382A (zh) * 2015-07-13 2015-11-25 张萍 一种玻璃灯管生产工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2494871A (en) * 1944-04-27 1950-01-17 Gen Electric Apparatus for bending glass tubes
US2494923A (en) * 1948-09-03 1950-01-17 Gen Electric Method and apparatus for bending and exhausting tubular lamps
US3302803A (en) * 1964-11-12 1967-02-07 Owens Illinois Inc Article handling and transfer device

Also Published As

Publication number Publication date
US3958971A (en) 1976-05-25
DE2456703A1 (de) 1975-06-19
ES432803A1 (es) 1976-11-01
JPS5091182A (fr) 1975-07-21
AR206135A1 (es) 1976-06-30
IT1026954B (it) 1978-10-20
FR2254528A1 (fr) 1975-07-11
NL7317073A (nl) 1975-06-17
BE823243A (fr) 1975-06-11
JPS598938B2 (ja) 1984-02-28
GB1430909A (en) 1976-04-07
AU7627374A (en) 1976-06-17

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