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US 10,500,646 B2Granted
Tube peeling witness groove methods and apparatus
AssigneeGeorg Fischer Central Plastics LLC
InventorsMichael D. Smith, Steven W. Vanantwerp
Life of this patent
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Abstract
A tube scraping tool comprises: a handle; and a blade, carried by the handle. The tool has first and second laterally spaced apart portions for engaging the tube outer diameter (OD) surface during a drawing of the tool along the tube. The blade has a cutting edge trailing the first and second portions during the drawing and laterally between the first and second portions.
Claims9
A tube scraping tool comprising:
- a handle;
- and
- a blade, carried by the handle,
- wherein:
- the tool has first and second laterally spaced apart portions for engaging the tube outer diameter (OD) surface during a drawing of the tool along the tube, wherein the underside of the handle is formed of a generally channel-like section having first and second side rails and having a base surface;
- the first and second portions are respective first and second leading portions of the respective first and second side rails;
- the first and second side rails have respective first and second trailing portions;
- the blade has a cutting edge positioned to trail the first and second leading portions during the drawing and laterally between the first and second side rails;
- and
- the first and second leading portions are higher than the first and second trailing portions.
7 more elements
Dependencies are inferred from the claim text.