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US 7,841,927 B2Granted
Hybrid fiber-foam buffing pad
Assignee3M Innovative Properties Company
InventorsAaron C. Krause, Saul D. Denenberg
Life of this patent
Estimating the term…
Abstract
A buffing pad primarily for automobiles includes a foam layer and filaments of textile material interspersed throughout the foam layer and extending passed or exposed at the working surface of the pad. The filaments are needle punched through the foam layer. The filaments may be felt fiber such as wool fiber, cotton fiber, or the like.
Claims15
A buffing pad for polishing surfaces comprising:
- a generally circular layer of foam material having a working face;
- filaments of textile material extending through said foam material and extending beyond said working face, and
- means for securing said pad to a rotary power buffer.
A buffing pad for polishing surfaces comprising:
- a generally circular layer of foam material having a working face;
- filaments of textile material interspersed throughout said foam material and extending beyond said working face, and
- means for securing said pad to a rotary power buffer.
A buffing pad for polishing surfaces comprising:
- a combination of a foam material and filaments of textile material, said foam material having a working face and said filaments extending beyond said working face, and
- means for securing said pad to a rotary power buffer.
Dependencies are inferred from the claim text.