Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent
1993-04-09
1994-09-20
Bradley, P. Austin
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
445 68, H01J 920
Patent
active
053485068
ABSTRACT:
A shadow mask assembling apparatus assembles an election beam selection mask for a color cathode ray tube by welding a mask sheet to a frame. The electron beam selection mask assembling apparatus comprises: a bed; a frame support for supporting the frame on the bed with the mask sheet support surfaces of the support members facing upward; a frame positioner for positioning the frame on the frame support; a mask sheet positioner for positioning the mask sheet on the support members of the frame; a fixer for fixing the mask sheet in place on the mask sheet support surfaces of the support members of the frame; a mask sheet support for supporting the central portion and peripheral portions extending beyond the support members of the frame of the mask sheet; and an attaching structure for attaching the mask sheet to the mask sheet support surfaces of the support members of the frame.
REFERENCES:
patent: 3537159 (1970-11-01), Gartner et al.
patent: 3537161 (1970-11-01), Kautz
patent: 4130919 (1978-12-01), Oyama
patent: 5167558 (1992-12-01), Duchek et al.
Kawamura Takahiro
Uehira Tetsuo
Bradley P. Austin
Knapp Jeffrey T.
Sony Corporation
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