Manufacture of electric light sources

Details Manufacture of electric light sources Manufacture of electric light sources

H - Electricity

01

J

316/20

H01J 9/26 (2006.01) H01J 9/38 (2006.01) H01J 9/40 (2006.01) H01K 3/28 (2006.01)

Patent

CA 1088619

ABSTRACT OF THE DISCLOSURE A head for a rotary turret machine for making incandescent lamps or fluorescent light tubes is capable of, sequentially, sealing a mount to the lamp envelope, exhausting the interior of the envelope, filling it with a fill gas and tipping-off the exhaust tube of the mount. The head accordingly includes a sealing burner, a tip-off burner disposed coaxially within the sealing burner and around the exhaust tube with the lead-in wires disposed between the sealing and tip-off burners, a coupling connectable to a vacuum pump or to a source of fill gas, and respective fuel pipes for the sealing and tip-off burners. - 1 -

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