Global Patent Index - EP 1237679 A2

EP 1237679 A2 2002-09-11 - ABRASIVE SURFACE AND ARTICLE AND METHODS FOR MAKING THEM

Title (en)

ABRASIVE SURFACE AND ARTICLE AND METHODS FOR MAKING THEM

Title (de)

SCHLEIFOBERFLÄCHE UND -ARTIKEL UND DEREN HESTELLUNGSVERFAHREN

Title (fr)

SURFACE ET ARTICLE ABRASIFS ET LEURS PROCEDES DE FABRICATION

Publication

EP 1237679 A2 (EN)

Application

EP 00986502 A

Priority

  • US 0034245 W
  • US 17215199 P

Abstract (en)

[origin: WO0143918A2] A method for making an abrasive material comprising a plurality of hard particles (75) providing the abrasive quality distributed in a retaining matrix for holding the particles in place, the method comprising the steps of placing a mask (50) having openings therein against a carrier (75) capable of supporting a plurality of the particles, providing an affixing capability to an outer side of the mask remote from the carrier to which hard particles will adhere, applying a plurality of hard particles to the outer side of the mask so that a portion of the particles pass through the openings of the mask and form a pattern of the particles on the carrier corresponding to the openings of the mask and another portion of the particles adhere to the mask, separating the mask containing the hard particles adhered to it from the carrier leaving the pattern of the particles on the carrier, at least partially surrounding the particles on the carrier with a retaining matrix material, and heating the retaining matrix material to cause the material to form a retaining matrix that holds the particles in the pattern.

[origin: WO0143918A2] A method for making an abrasive material comprising a plurality of hard particles providing the abrasive quality distributed in a retaining matrix for holding the particles in place, the method comprising the steps of placing a mask having openings therein against a carrier capable of supporting a plurality of the particles, providing an affixing capability to an outer side of the mask remote from the carrier to which hard particles will adhere, applying a plurality of hard particles to the outer side of the mask so that a portion of the particles pass through the openings of the mask and form a pattern of the particles on the carrier corresponding to the openings of the mask and another portion of the particles adhere to the mask, separating the mask containing the hard particles adhered to it from the carrier leaving the pattern of the particles on the carrier, at least partially surrounding the particles on the carrier with a retaining matrix material, and heating the retaining matrix material to cause the material to form a retaining matrix that holds the particles in the pattern.

IPC 1-7 (main, further and additional classification)

B24D 3/00

IPC 8 full level (invention and additional information)

B24D 3/00 (2006.01); B24D 3/06 (2006.01); B24D 11/00 (2006.01)

CPC (invention and additional information)

B24D 11/00 (2013.01)

Citation (search report)

See references of WO 0143918A3

Designated contracting state (EPC)

AT BE CH DE FR GB LI

EPO simple patent family

WO 0143918 A2 20010621; WO 0143918 A3 20020328; WO 0143918 A9 20020516; AU 2273001 A 20010625; BR 0016466 A 20030401; BR 0016466 B1 20090811; CN 1188253 C 20050209; CN 1420810 A 20030528; DE 60041926 D1 20090514; EP 1237679 A2 20020911; EP 1237679 B1 20090401; JP 2003516871 A 20030520; JP 4426148 B2 20100303; KR 100537474 B1 20051219; KR 20030028449 A 20030408; TW 467809 B 20011211

INPADOC legal status


2016-11-30 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2009-04-01 [REG GB FG4D] EUROPEAN PATENT GRANTED

2008-04-09 [17Q] FIRST EXAMINATION REPORT

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2004-05-19 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION)

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2002-09-11 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

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