US PATENT SUBCLASS 452 / 28
.~.~ Inflation pressure control
Current as of:
June, 1999
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452 /
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BUTCHERING
21
DF
SHIRRING OF CASING
{5}
27
DF
.~ Fluid lubrication of casing {1}
28
.~.~ Inflation pressure control
DEFINITION
Classification: 452/28
Inflation pressure control:
(under subclass 27) Subject matter wherein the lubricating fluid is a gas injected between the casing and the mandrel to expand the casing about the mandrel, the device further including a sensing means which regulates the amount of injected gas.
