VALVE PLATE FOR A CLOSURE DEVICE FOR CLOSING AN OPENING IN A WALL IN A VACUUM-TIGHT MANNER
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United States of America Patent
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Issued Date -
Mar 21, 2024
app pub date -
Jan 26, 2022
filing date -
Feb 1, 2021
priority date (Note) -
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Abstract
A valve plate for a closure device for closing an opening in a vacuum-tight manner. A front side of the valve plate has a seal ring for sealing to the wall, and the rear side has a depression for connecting to a valve rod. In regions of two mutually opposite lateral walls of the depression, an extension adjoins in each depression. For each respective extension a threaded bore is present, which on a lateral wall thereof opens into the extension. The valve rod is connectable to the valve plate by a respective retaining bolt screwed into the respective threaded bore and via an end portion that protrudes from the threaded bore into the extension, with the end portion interacting with a groove on a connecting part connected to the valve rod end, or at the valve rod end is configured integral to the latter.
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