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US 2018/0354092 A1Published application
Cold sanding of thermoplastic workpieces
AssigneeGM Global Technology Operations LLC
InventorMatthew E. Carroll
Life of this patent
Estimating the term…
Abstract
A method includes: (a) actively cooling an outer surface of a workpiece until the outer surface reaches a predetermined surface temperature; and (b) sanding the outer surface of the workpiece when the outer surface of the workpiece has reached the predetermined surface temperature.
Claims19
A method, comprising:
- Actively cooling an outer surface of a workpiece until the outer surface reaches a predetermined surface temperature, wherein the workpiece includes a thermoplastic polyolefin;
- and
- sanding the outer surface of the workpiece when the outer surface of the workpiece has reached the predetermined surface temperature.
A method, comprising:
- actively cooling an outer surface of a workpiece until the outer surface reaches a predetermined surface temperature, wherein the predetermined surface temperature is less than 68 degrees Fahrenheit, the workpiece includes a thermoplastic polyolefin, the thermoplastic polyolefin includes a polypropylene matrix and rubber particles, and the rubber particles are dispersed throughout the polypropylene matrix;
- and
- sanding the outer surface of the workpiece when the outer surface of the workpiece has reached the predetermined surface temperature.
Dependencies are inferred from the claim text.