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US 10,005,168 B2Granted
Device and arrangement for milling inner surface of pipe
AssigneePicote Solutions Oy Ltd.
InventorMika Lokkinen
Life of this patent
Estimating the term…
Abstract
The device is for grinding a pipe from an inside. The device has a spindle arranged to be rotated. The device further has protrusions fastened to the spindle. The protrusions have a strip causing an elastic force when being bent. The protrusions are arranged to position the device or a part of the device inside the pipe. The protrusions have blades arranged to grind the inner surface of the pipe, while the spindle is being rotated.
Claims8
A device for grinding a pipe from inside, comprising:
- a spindle arranged to be rotated, the device further comprises protrusions fastened to the spindle, the protrusions comprising a strip causing an elastic force when being bent, the protrusions being arranged to position the device or a part of the device inside the pipe, and the protrusions comprising blades arranged to grind an inner surface of the pipe, while the spindle is being rotated;
- and
- the protrusion comprises an elongated support profile, a cross-section of the support profile comprising a height direction (h1) and a width direction (w1), the cross-section of the support profile has at least one portion having, a greatest dimension of which in the width direction (w1) is greater than a corresponding greatest dimension that an uppermost portion positioned above the at least one portion in the height direction (h1) has in the width direction (w1), the support profile is lockable in a groove having a corresponding cross-section.
Dependencies are inferred from the claim text.