Pipe joints or couplings – Essential catch
Reexamination Certificate
2005-02-01
2005-02-01
Hewitt, James M. (Department: 3679)
Pipe joints or couplings
Essential catch
C285S081000, C285S082000, C137S515500
Reexamination Certificate
active
06848722
ABSTRACT:
A coupling for connecting a vacuum line to a body such as an autoclave to be evacuated, the coupling having a first part adapted to be sealingly engaged by welding upon the wall of the autoclave about an aperture therein, and having an internal bore which thus communicates with the interior of the autoclave, and a second part also having an internal bore for communication with the bore of the first part. The second part thus serves as a removable cartridge which is slidably engaged within the first part with sealing rings radially and axially sealing the two-parts together to prevent fluid leakage therebetween. The cartridge includes a spring-loaded valve. A circlip enables separation of the cartridge from the first part, and a circlip enables removal of the valve parts from the cartridge.
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Gauthier & Connors LLP
Hewitt James M.
James Jeory, Christine Patricia Jeory and Stephen Gerard Ward T/
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