CA1024743A - Method of manufacturing a tubular lamp envelope - Google Patents

Method of manufacturing a tubular lamp envelope

Info

Publication number
CA1024743A
CA1024743A CA174,515A CA174515A CA1024743A CA 1024743 A CA1024743 A CA 1024743A CA 174515 A CA174515 A CA 174515A CA 1024743 A CA1024743 A CA 1024743A
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
CA174,515A
Other languages
English (en)
French (fr)
Other versions
CA174515S (en
Inventor
Adrianus A. Hurx
Jan M. In't Veld
Peter I. Sygall
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 CA1024743A publication Critical patent/CA1024743A/en
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)
CA174,515A 1972-06-27 1973-06-20 Method of manufacturing a tubular lamp envelope Expired CA1024743A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7208818A NL7208818A (enExample) 1972-06-27 1972-06-27

Publications (1)

Publication Number Publication Date
CA1024743A true CA1024743A (en) 1978-01-24

Family

ID=19816384

Family Applications (1)

Application Number Title Priority Date Filing Date
CA174,515A Expired CA1024743A (en) 1972-06-27 1973-06-20 Method of manufacturing a tubular lamp envelope

Country Status (9)

Country Link
JP (1) JPS51394B2 (enExample)
BE (1) BE801417A (enExample)
BR (1) BR7304699D0 (enExample)
CA (1) CA1024743A (enExample)
FR (1) FR2190745B1 (enExample)
GB (1) GB1381214A (enExample)
IN (1) IN138583B (enExample)
IT (1) IT986573B (enExample)
NL (1) NL7208818A (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2108930A1 (en) * 1970-10-21 1972-05-26 Claude Bending glass tube - eg for lighting systems

Also Published As

Publication number Publication date
JPS4964277A (enExample) 1974-06-21
FR2190745A1 (enExample) 1974-02-01
BE801417A (fr) 1973-12-26
NL7208818A (enExample) 1974-01-02
JPS51394B2 (enExample) 1976-01-07
FR2190745B1 (enExample) 1978-07-21
GB1381214A (en) 1975-01-22
IT986573B (it) 1975-01-30
DE2329071A1 (de) 1974-01-10
IN138583B (enExample) 1976-02-28
DE2329071B2 (de) 1976-09-16
BR7304699D0 (pt) 1974-08-22

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