ES432803A1 - Un metodo de fabricar una ampolla de lampara de forma to- roidal. - Google Patents

Un metodo de fabricar una ampolla de lampara de forma to- roidal.

Info

Publication number
ES432803A1
ES432803A1 ES432803A ES432803A ES432803A1 ES 432803 A1 ES432803 A1 ES 432803A1 ES 432803 A ES432803 A ES 432803A ES 432803 A ES432803 A ES 432803A ES 432803 A1 ES432803 A1 ES 432803A1
Authority
ES
Spain
Prior art keywords
manufacturing
lamp envelope
tubular lamp
tube
bending mould
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
ES432803A
Other languages
English (en)
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
Publication of ES432803A1 publication Critical patent/ES432803A1/es
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)
ES432803A 1973-12-13 1974-12-11 Un metodo de fabricar una ampolla de lampara de forma to- roidal. Expired ES432803A1 (es)

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
ES432803A1 true ES432803A1 (es) 1976-11-01

Family

ID=19820197

Family Applications (1)

Application Number Title Priority Date Filing Date
ES432803A Expired ES432803A1 (es) 1973-12-13 1974-12-11 Un metodo de fabricar una ampolla de lampara de forma to- roidal.

Country Status (12)

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

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
BE823243A (fr) 1975-06-11
US3958971A (en) 1976-05-25
NL7317073A (nl) 1975-06-17
CA1022340A (en) 1977-12-13
AR206135A1 (es) 1976-06-30
IT1026954B (it) 1978-10-20
JPS5091182A (es) 1975-07-21
FR2254528A1 (es) 1975-07-11
JPS598938B2 (ja) 1984-02-28
DE2456703A1 (de) 1975-06-19
GB1430909A (en) 1976-04-07
AU7627374A (en) 1976-06-17

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