ES342939A1 - Improvements relating to the manufacture of electric incandescent lamps - Google Patents

Improvements relating to the manufacture of electric incandescent lamps

Info

Publication number
ES342939A1
ES342939A1 ES342939A ES342939A ES342939A1 ES 342939 A1 ES342939 A1 ES 342939A1 ES 342939 A ES342939 A ES 342939A ES 342939 A ES342939 A ES 342939A ES 342939 A1 ES342939 A1 ES 342939A1
Authority
ES
Spain
Prior art keywords
cap
cylinder
manufacture
incandescent lamps
improvements relating
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
ES342939A
Other languages
Spanish (es)
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 ES342939A1 publication Critical patent/ES342939A1/en
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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/30—Manufacture of bases

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)

Abstract

In making an incandescent lamp in which the cap is filled with a foamed material, by placing a hollow -cylinder of foam-forming material in the cap and heating the cap after the lamp bulb has been correctly positioned, to form the foam, the cylinder is first fixed in position in the cap by the application of heat and pressure. The material of the cylinder may consist of a novolak, hexamethylene tetramine, dolomite and wood dust. The fixing may be effected by heating the cylinder with steam and pressing it with a non-heated die.
ES342939A 1966-07-14 1967-07-12 Improvements relating to the manufacture of electric incandescent lamps Expired ES342939A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6609881A NL6609881A (en) 1966-07-14 1966-07-14

Publications (1)

Publication Number Publication Date
ES342939A1 true ES342939A1 (en) 1968-08-01

Family

ID=19797177

Family Applications (1)

Application Number Title Priority Date Filing Date
ES342939A Expired ES342939A1 (en) 1966-07-14 1967-07-12 Improvements relating to the manufacture of electric incandescent lamps

Country Status (7)

Country Link
AT (1) AT268453B (en)
BE (1) BE701285A (en)
CH (1) CH464351A (en)
ES (1) ES342939A1 (en)
GB (1) GB1139266A (en)
NL (1) NL6609881A (en)
SE (1) SE322838B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2145699B1 (en) * 1998-03-25 2001-02-01 Vitri Electro Metalurgica S A PROCEDURE FOR THE MANUFACTURE OF BUSHINGS FOR ELECTRIC BULBS.
US6650033B2 (en) 2001-08-06 2003-11-18 Tyco Electronics Corporation Foamable coupling for lamp assembly and methods for using the coupling
DE102005001949B4 (en) * 2004-12-29 2006-10-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Method for producing a radiation source and radiation source

Also Published As

Publication number Publication date
BE701285A (en) 1968-01-12
NL6609881A (en) 1968-01-15
DE1589256B2 (en) 1975-09-25
AT268453B (en) 1969-02-10
GB1139266A (en) 1969-01-08
DE1589256A1 (en) 1970-02-26
CH464351A (en) 1968-10-31
SE322838B (en) 1970-04-20

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