Back-up clamp component
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United States of America Patent
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-
Aug 20, 2002
Grant Date -
N/A
app pub date -
Apr 28, 2000
filing date -
Feb 12, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A back-up clamp component for use in a back-up clamp and adapted to fit with other sections of the back up clamp, the component carrying a number of shoes which can be moved radially inwardly and outwardly, each shoe being connected to a respective piston and cylinder arrangement, each piston having a first side and a second side, first means permitting pressurised fluid to be introduced to the first side of a piston and second means permitting pressurised fluid to be introduced to the second side of a piston so that the shoes can be positively driven outwardly and inwardly, the first means and the second means including respective first and second conduits within the body, which conduits open at an end face of the component.
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