Buffing pad
AssigneeMinnesota Mining and Manufacturing Company
InventorJames Foster
Life of this patent
Estimating the term…
Abstract
A buffing pad adapted to be releasably engaged with a buffing apparatus having a hookface type attachment surface and a method of making the same are taught.
Claims14
A disc-shaped buffing pad laminate having one side adapted to be releasably engaged with a buffing apparatus having a hook-face attachment surface and an opposite side for buffing, said buffing pad laminate comprising a non-woven buffing layer comprising crimped fibers having a fiber thickness of up to 11 dtex and a fiber length of from 40 to 200 mm, a non-woven attachment layer comprising crimped fibers having a fiber thickness greater than 11 dtex and a fiber length of at least 40 mm, wherein said buffing layer and said attachment layer are secured together by intermingling fibers of said buffing layer with fibers of said attachment layer, said buffing pad having a diameter of from 50 to 200 mm, said buffing pad having a density of from 0.1 to 0.3 g/cm.sup.3, and said buffing pad having a thickness of from 3 to 8 mm.
A disc-shaped buffing pad laminate having one side adapted to be releasably engaged with a buffing apparatus having a hook-face attachment surface and an opposite side for buffing, said buffing pad laminate consisting essentially of a non-woven buffing layer consisting essentially of crimped fibers having a fiber thickness of up to 11 dtex and a fiber length of from 40 to 200 mm, a non-woven attachment layer consisting essentially of crimped fibers having a fiber thickness greater than 11 dtex and a fiber length of at least 40 mm, wherein said buffing layer and said attachment layer are secured together by intermingling fibers of said buffing layer with fibers of said attachment layer, said buffing pad having a diameter of from 50 to 200 mm, said buffing pad having a density of from 0.1 to 0.3 g/cm.sup.3, and said buffing pad having a thickness of from 3 to 8 mm.
Dependencies are inferred from the claim text.