JPS61144567U - - Google Patents

Info

Publication number

JPS61144567U

JPS61144567U JP2708785U JP2708785U JPS61144567U JP S61144567 U JPS61144567 U JP S61144567U JP 2708785 U JP2708785 U JP 2708785U JP 2708785 U JP2708785 U JP 2708785U JP S61144567 U JPS61144567 U JP S61144567U

Authority

JP

Japan

Prior art keywords

glass bulb

filament

tungsten

bulb

shaped light

Prior art date

1985-02-28

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000011521 glass Substances 0.000 claims description 4
• WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
• 229910052721 tungsten Inorganic materials 0.000 claims description 4
• 239000010937 tungsten Substances 0.000 claims description 4
• 230000008018 melting Effects 0.000 claims description 2
• 238000002844 melting Methods 0.000 claims description 2
• 229910052751 metal Inorganic materials 0.000 claims description 2
• 239000002184 metal Substances 0.000 claims description 2
• 239000011248 coating agent Substances 0.000 description 1
• 238000000576 coating method Methods 0.000 description 1

Cited By (1)