VACUUM VALVE
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United States of America Patent
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Issued Date -
Dec 15, 2016
app pub date -
Feb 6, 2015
filing date -
Feb 26, 2014
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Abstract
The invention relates to a vacuum valve having a screw element for coupling a first component of the vacuum valve to a second component. The screw element has a force transfer surface section between a threaded surface section having a first thread and an engagement surface section, arranged in a first gas region, for a tool. The first and second component are coupled by a thread engagement, carried out through a passage hole in the first component, between the first thread and a second thread assigned to the second component. The screw element has a sealing surface section between the threaded surface section and the engagement surface section. Between the sealing surface section and a sealing face of the first component, a sealing seal element is arranged so the first gas region is separated in a gas-tight or particle-tight manner from a third gas region.
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