HEAVY DUTY MATERIAL PROCESSING SHEARS
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United States of America Patent
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N/A
Issued Date -
Feb 7, 2008
app pub date -
Jun 21, 2007
filing date -
Jun 23, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A heavy-duty material processing shears includes pivotally connected jaws and a hydraulic cylinder operatively extending between the jaws to open and close the jaws. One of the jaws includes a cutting blade with a substantially convex cutting edge. The cutting blade's surfaces intersect at an acute angle to define the cutting edge. The cutting blade's shape enables it to efficiently pierce and cut through large diameter structures such as conductor pipes. The other jaw includes a substantially concave portion that cradles the work piece. The shears include various features that facilitate subsea or above-water use of the shears to cut portions of a decommissioned oil platform.
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