SE322838B - - Google Patents

Info

Publication number
SE322838B
SE322838B SE9300/67*A SE930067A SE322838B SE 322838 B SE322838 B SE 322838B SE 930067 A SE930067 A SE 930067A SE 322838 B SE322838 B SE 322838B
Authority
SE
Sweden
Prior art keywords
cap
cylinder
july
foam
heating
Prior art date
Application number
SE9300/67*A
Inventor
Bakel H Van
J Janssen
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
Publication of SE322838B publication Critical patent/SE322838B/xx

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

1,139,266. Capping incandescent lamps. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 11 July, 1967 [14 July, 1966], No. 31783/67. Heading H1F. 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.
SE9300/67*A 1966-07-14 1967-06-27 SE322838B (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
SE322838B true SE322838B (en) 1970-04-20

Family

ID=19797177

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9300/67*A SE322838B (en) 1966-07-14 1967-06-27

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
DE1589256A1 (en) 1970-02-26
DE1589256B2 (en) 1975-09-25
AT268453B (en) 1969-02-10
GB1139266A (en) 1969-01-08
BE701285A (en) 1968-01-12
ES342939A1 (en) 1968-08-01
CH464351A (en) 1968-10-31
NL6609881A (en) 1968-01-15

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