IT1026954B - Metodo di fabbricazione di un involucro tubolare per lamfade - Google Patents

Metodo di fabbricazione di un involucro tubolare per lamfade

Info

Publication number
IT1026954B
IT1026954B IT30393/74A IT3039374A IT1026954B IT 1026954 B IT1026954 B IT 1026954B IT 30393/74 A IT30393/74 A IT 30393/74A IT 3039374 A IT3039374 A IT 3039374A IT 1026954 B IT1026954 B IT 1026954B
Authority
IT
Italy
Prior art keywords
lamfade
manufacturing
tubular enclosure
enclosure
tubular
Prior art date
Application number
IT30393/74A
Other languages
English (en)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1026954B publication Critical patent/IT1026954B/it

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)
IT30393/74A 1973-12-13 1974-12-10 Metodo di fabbricazione di un involucro tubolare per lamfade IT1026954B (it)

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
IT1026954B true IT1026954B (it) 1978-10-20

Family

ID=19820197

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30393/74A IT1026954B (it) 1973-12-13 1974-12-10 Metodo di fabbricazione di un involucro tubolare per lamfade

Country Status (12)

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

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
JPS5091182A (it) 1975-07-21
FR2254528A1 (it) 1975-07-11
JPS598938B2 (ja) 1984-02-28
ES432803A1 (es) 1976-11-01
DE2456703A1 (de) 1975-06-19
GB1430909A (en) 1976-04-07
AU7627374A (en) 1976-06-17

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