Electric lamp and discharge devices – With radioactive material
Patent
1978-06-06
1980-02-12
Demeo, Palmer C.
Electric lamp and discharge devices
With radioactive material
313148, H01J 3516
Patent
active
041885589
ABSTRACT:
An X-ray tube, which comprises an opening bored in a prescribed position in the envelope of the X-ray tube, and means for reducing the internal pressure of the X-ray tube, when said internal pressure gets higher beyond a prescribed extent than external pressure, thereby enabling the X-ray tube to be safely removed from an X-ray housing.
REFERENCES:
patent: 2424457 (1947-07-01), Haynes et al.
patent: 2839701 (1958-06-01), Bourns
patent: 3560789 (1971-02-01), Hernqvist et al.
DeMeo Palmer C.
Tokyo Shibaura Electric Co. Ltd.
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