EP 0925151 A1 19990630 - ABRASIVE ARTICLE AND METHOD OF MAKING
Title (en)
ABRASIVE ARTICLE AND METHOD OF MAKING
Title (de)
Abrasiver Gegenstand und Verfahren zu seiner Herstellung.
Title (fr)
ARTICLE ABRASIF ET SON PROCEDE DE FABRICATION
Publication
Application
Priority
US 9614570 W 19960911
Abstract (en)
[origin: WO9810896A1] This invention pertains to an abrasive article comprising preci sely shaped particles. The abrasive article may be a coated abrasive article, a bonded abrasive or a nonwoven abrasive article. The precisely shaped particles may further comprise abrasive grits, fillers, grinding aids and lubricants. The precisely shaped particles can be made according to the following method: (a) providing a production tool having a three-dimensional body which has at least one continuous surface, said surface containing at least one opening formed in said continuous surface, said at least one opening providing access to a cavity in said three-dimensional body; (b) providing a dispensing means capable of introducing a binder precursor comprising a thermosetting resin into said at least one cavity through said at least one opening; (c) providing a means, within a curing zone, for at least partially curing said binder precursor; (d) introducing said binder precursor into at least a portion of said at least one cavity; (e) continuously moving said at least one cavity through said curing zone to at least partially cure said binder precursor to provide a solidified, handleable binder having a shape corresponding to that portion of the cavity into which the binder precursor has been introduced; (f) removing said binder from said at least one cavity; and (g) converting said binder to form a precisely shaped particle. Steps (f) and (g) may be conducted simultaneously. The particles can be bonded together to form a shaped mass, e.g., a wheel; alternatively, the particles can be bonded to a backing to form a coated abrasive article; or the particles can be bonded into a fibrous, nonwoven substrate to form a non-woven abrasive article.
IPC 1-7
IPC 8 full level
B24D 3/02 (2006.01); B24D 3/28 (2006.01); B24D 3/34 (2006.01); B24D 11/00 (2006.01); B24D 11/02 (2006.01); C08J 5/14 (2006.01)
CPC (source: EP)
B24D 3/28 (2013.01); B24D 3/34 (2013.01); B24D 3/344 (2013.01); B24D 11/00 (2013.01); B24D 11/001 (2013.01)
Citation (search report)
See references of WO 9810896A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
WO 9810896 A1 19980319; AU 7108396 A 19980402; BR 9612737 A 19990824; CA 2264872 A1 19980319; DE 69629054 D1 20030814; DE 69629054 T2 20040422; DE 69637418 D1 20080313; DE 69637418 T2 20090122; EP 0925151 A1 19990630; EP 0925151 B1 20030709; EP 1038637 A2 20000927; EP 1038637 A3 20011212; EP 1038637 B1 20080123; JP 2001500068 A 20010109; ZA 977477 B 19990222
DOCDB simple family (application)
US 9614570 W 19960911; AU 7108396 A 19960911; BR 9612737 A 19960911; CA 2264872 A 19960911; DE 69629054 T 19960911; DE 69637418 T 19960911; EP 96932205 A 19960911; EP 99125307 A 19960911; JP 51358798 A 19960911; ZA 977477 A 19970820