Electric tip-off heat sink

Details Electric tip-off heat sink Electric tip-off heat sink

1974-06-17

1977-10-25

Dority, Jr., Carroll B.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

165 80, 165134, 165135, 165185, 219530, 219535, 425384, 432249, 432253, F28F 700, F28F 1300, H05B 358

Patent

active

040552195

ABSTRACT:
During the construction of display gas panels front and back panels are connected together by means of a seal which forms a chamber for receiving a display gas. A hole is provided in the back plate which is outside the display viewing area and a glass tube is fitted into this hole and sealed to the assembly. The tube is used to first evacuate and then admit display gas into the chamber. An electric tip-off oven is used to collapse the tube stem to form a permanent seal. A cast protective heat sink and a reflective foil wafer are used to protect the gas panel and the tube-to-gas panel interface from damage by the oven.

REFERENCES:
patent: 3002076 (1961-09-01), Massey
patent: 3100251 (1963-08-01), Johnson
patent: 3217793 (1965-11-01), Coe
patent: 3390373 (1968-06-01), Ruston
patent: 3552630 (1971-01-01), Dean
patent: 3765475 (1973-10-01), Hooper
patent: 3843300 (1974-10-01), McFarlane

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