Method of vacuum-sealing vacuum articles

Details Method of vacuum-sealing vacuum articles Method of vacuum-sealing vacuum articles

1977-04-22

1978-11-14

Kellogg, Arthur D.

Glass manufacturing

Processes

With sealing off of gas evacuating opening

65 58, 65 59A, C03C 2700

Patent

active

041253906

ABSTRACT:
A sealing member not adhesive before melting is applied to a portion of a vacuum article to be sealed while maintaining a communication passage between the inside and outside of the article. After mounting the article in an evacuation tank, the tank is evacuated to evacuate the article through the communication passage. Then the sealing member is heated and melted to seal the article airtightly.

REFERENCES:
patent: 2259165 (1941-10-01), Karasick
patent: 2988852 (1961-06-01), Henry
patent: 3220097 (1965-11-01), Griest

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