Measuring and testing – Fluid pressure gauge – Diaphragm
Reexamination Certificate
2011-02-01
2011-02-01
Allen, Andre J (Department: 2855)
Measuring and testing
Fluid pressure gauge
Diaphragm
C073S706000
Reexamination Certificate
active
07878069
ABSTRACT:
There is disclosed a high pressure sensing header which is relatively insensitive to mounting torque. Essentially the header consists of an outer torque isolating shell which has a “C” shaped cross section with the cylindrical shell surrounding an inner “H” section header. The inner “H” section header has a thick diaphragm and is surrounded by the torque isolating shell which is secured to the “H” section header at a peripheral flange of the “H” section header. In this manner when the header is installed, the installation force is absorbed by the outer shell and there is no installation force or torque exhibited by the inner “H” section which will respond only to stress due to pressure. The torque isolating shell also contains a top surface which has a counterbore which can accommodate a crush ring, and when the unit is installed, the crush ring is forced or crushed against an installation wall to enable the inner header to receive pressure without experiencing any significant installation force.
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Kane Adam
Kochman Boaz
Kurtz Anthony D.
Allen Andre J
Kulite Semiconductor Products Inc.
Schutz, Esq. James E.
Shahriari Dean Y.
Troutman Sanders LLP
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