Abrasive tools and methods for forming same
AssigneeSaint-Gobain Abrasives, Inc./Saint-Gobain Abrasifs
InventorsNan Y. Pacella, Lawrence J. Lavallee, Jr., Michael K. Montgomery, Katherine M. Sahlin
Life of this patent
Estimating the term…
Abstract
An abrasive tool can include a bonded abrasive including a body and a barrier layer bonded to a major surface of the body. The body can include abrasive particles contained within a bond material. The barrier material can include a metal-containing film. In an embodiment, the barrier layer may further include a polymer-containing film. In another embodiment, the barrier layer may include a biaxially oriented material. The abrasive tool may be formed such that the barrier layer is formed in-situ with the formation of the bonded abrasive.
Claims20
An abrasive tool comprising:
- a bonded abrasive including a body comprising abrasive particles contained within a bond material;
- and
- a barrier layer bonded to at least a major surface of the body, the barrier layer comprising a metal-containing film and further comprising a first polymer-containing film including biaxially-oriented nylon, a second polymer-containing film including polyethylene, a third polymer-containing film including polyethylene, and a fourth polymer-containing film including co-extruded polyethylene, wherein the metal-containing film includes foil.
An abrasive tool comprising:
- a bonded abrasive including a body comprising:
- abrasive particles contained within a bond material;
- a first major surface and a second major surface opposite the first major surface;
- and
- a peripheral surface extending between the first major surface and the second major surface,
- wherein a barrier layer is bonded directly to the first major surface and the second major surface;
- and
- wherein the barrier layer comprises a metal-containing film, a first polymer-containing film including a biaxially-oriented material, a second polymer-containing film, and a third polymer-containing film including polyethylene,
- wherein the metal containing film is disposed between the second and the third polymer-containing films.
A method of forming an abrasive article comprising:
- forming a barrier layer in-situ with the formation of a bonded abrasive including a body comprising abrasive particles contained within a bond material comprising an organic material,
- the barrier layer comprising a metal-containing film and further comprising a first polymer-containing biaxially-oriented nylon, a second polymer-containing film including polyethylene, a third polymer-containing film including polyethylene, and a fourth polymer-containing film including co-extruded polyethylene, wherein the metal-containing film includes foil.
Dependencies are inferred from the claim text.