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.)
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.)
Gral Ges fur Elektro Ind M B
Original Assignee
Gral Ges fur Elektro Ind M B
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 Gral Ges fur Elektro Ind M BfiledCriticalGral Ges fur Elektro Ind M B
Application grantedgrantedCritical
Publication of DE466532CpublicationCriticalpatent/DE466532C/de
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
H01J9/32—Sealing leading-in conductors
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Shaping Of Tube Ends By Bending Or Straightening
(AREA)
Vessels And Coating Films For Discharge Lamps
(AREA)
DEG71047D1926-11-091927-08-20Verfahren zur Herstellung des Fuesschens spitzenloser elektrischer Gluehlampen
ExpiredDE466532C
(de)