Vacuum housing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 24, 2009
Grant Date -
Jun 7, 2007
app pub date -
Nov 21, 2006
filing date -
Dec 12, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vacuum housing includes a cylindrical section, a flange, and a ring arranged concentrically with the cylindrical section and forming part of the flange, with the ring being formed of a harder material than the remaining of the housing, and having an annular knife edge extending in an axial direction and in a direction away from the cylindrical section, with the knife edge forming part of the flange surface.
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