Viscous substance applying apparatus

Details Viscous substance applying apparatus Viscous substance applying apparatus

B - Operations, Transporting

05

C

32/3, 32/49

B05C 7/06 (2006.01) B05C 5/02 (2006.01) H01J 9/20 (2006.01) H01J 9/26 (2006.01)

Patent

CA 1282583

ABSTRACT A viscous substance applying apparatus equipped with a nozzle, for use, for example, in applying frit to the sealing part of a funnel in manufacturing a cathode-ray tube. The nozzle is provided with two valve elements disposed in a frit chamber formed in a nozzle body. One of the valve elements, for shutting a frit outlet, is moved inward away from the frit outlet, applying suction to the frit contained in the frit chamber, at the start of the frit applying operation, while the other valve element for shutting a frit inlet is moved outward toward the frit inlet in ending the frit applying operation; consequently, the undesirable drip of the firt at the star and at the end of the frit applying operation is obviated, and hence the frit is applied regularly in a predetermined width to the sealing part of the funnel.

529060

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