US Patent 7495173 Vacuum housing
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Patent 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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US Patent 07495173 Vacuum housing US Patent 7495173 Vacuum housing
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Patent Number
0749517300
Patent Number
749517300
Edits on 18 May, 2023
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Patent Jurisdiction
Patent Number
074951730
Date of Patent
February 24, 2009
0Patent Application Number
116039960
Date Filed
November 21, 2006
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
074951730
Date of Patent
February 24, 2009
0Patent Application Number
116039960
Date Filed
November 21, 2006
0Official Website
Patent Primary Examiner
Edits on 15 Jun, 2022
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US Patent 07495173 Vacuum housing
Infobox
Is a
Patent jurisdiction
Patent number
07495173
Date of patent
February 24, 2009
Patent application number
11603996
Date Filed
November 21, 2006
Patent primary examiner
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