Furnace door sealing device for low-pressure diffusion furnace
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United States of America Patent
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-
Dec 4, 2018
Grant Date -
May 10, 2018
app pub date -
Jan 9, 2018
filing date -
Aug 12, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A furnace door sealing device for a low-pressure diffusion furnace is provided. The furnace door sealing device includes a furnace door, a fixed shaft and a fixed base which are coaxially arranged in sequence from front to back. A bearing pedestal is fixed at the center of the rear end surface of the furnace door. A centripetal knuckle bearing is arranged in the bearing pedestal. An outer ring of the centripetal knuckle bearing is fixed in the bearing pedestal. An inner ring of the centripetal knuckle bearing fixedly sleeves the front end of the fixed shaft. The rear end of the fixed shaft is fixed in the fixed base. A supporting plate is also fixed on the front end surface of the fixed base. Multiple spring adjusting assemblies are arranged on the supporting plate at an interval.
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Family
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Cited Art Landscape
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