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US 2003/0194282 A1Published application
Tool bit for clamshell lathe
OwnerRichard Majerusinventor
Life of this patent
Estimating the term…
Abstract
A tool bit for a clamshell machining lathe for cutting and finishing pipes, including a base, neck and top surface. The base of the tool bit is shaped to fit into the slide block of the lathe. The cutting edge of the tool bit creates a chip which is then spilt into three different parts by a central rib running along the top surface of the tool bit. The chips then run along an arcuate notch as they fall away from the tool bit so as not to interfere with the cutting of the pipe.
Claims8
A cutting tool bit for a clamshell lathe comprising:
- a) a block of tool steel having a rectangular cross section along the length thereof, the block having a base portion, and a top portion, where a width dimension of the base portion is greater than a width dimension of the top portion;
- b) an arcuate recess formed across the width dimension of the top portion and extending a predetermined distance along a length dimension of the top portion from a top surface of the top portion to create a cutting edge;
- and
- c) a central rib projecting out from the top surface of the top portion and extending from the cutting edge substantially an entire depth dimension of the top portion.
1 more element
Dependencies are inferred from the claim text.