Vacuum pumping device, vacuum glazing manufacturing system, and related method
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United States of America Patent
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May 16, 2017
Grant Date -
Feb 19, 2015
app pub date -
Jul 19, 2013
filing date -
Aug 10, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a vacuum pumping device and a related method for manufacturing a vacuum glazing. The vacuum pumping device includes: a circular tubular pumping operation unit; a cylindrical pump-out hole sealing operation unit; a control part; and a driving device. The pumping operation unit and the pump-out hole sealing operation unit share a central axis, and form a cylinder with the former being outside and the latter being inside. A pumping channel is formed in a tube wall of the pumping operation unit, and a heating unit is disposed in the top portion inside the pump-out hole sealing operation unit. The control part time-sequentially controls the pumping operation unit and the pump-out hole sealing operation unit to move, controls the pumping channel to perform operations, and controls the heating unit to heat a sealing sheet to perform a pump-out hole sealing operation.
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