Device for warm press forming a plate-like member into a shadow

Details Device for warm press forming a plate-like member into a shadow Device for warm press forming a plate-like member into a shadow

1987-05-15

1988-12-20

Rowan, Kurt

Electric lamp or space discharge component or device manufacturi

Apparatus

Assembly means

445 68, H01J 946

Patent

active

047923180

ABSTRACT:
A device for warm press forming a plate-like member into a shadow mask for a color cathode ray tube comprises a mold for applying pressure to the plate-like member, including a heated inner section and an outer section, and insulation means between the inner and outer sections for reducing heat transmission from the inner section to the outer section for increasing the thermal efficiency of the device.

REFERENCES:
patent: 3096545 (1968-07-01), Rowland
patent: 3754499 (1973-08-01), Heisman
patent: 3775588 (1973-11-01), Niehenke
patent: 4557792 (1985-12-01), Yamada
patent: 4645559 (1987-02-01), Kaiser

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