(19)
(11) EP 1 074 345 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.10.2002 Bulletin 2002/42

(43) Date of publication A2:
07.02.2001 Bulletin 2001/06

(21) Application number: 00306275.9

(22) Date of filing: 24.07.2000
(51) International Patent Classification (IPC)7: B24D 5/12, B24D 18/00
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 05.08.1999 GB 9918357

(71) Applicant: Marcrist International Limited
Doncaster DN3 1QR (GB)

(72) Inventors:
  • Halbeisen, Mario, c/o Marcrist Holdings Limited
    Doncaster DN3 1QR (GB)
  • Brown, Michael John William,c/oMarcrist Hold. Ltd.
    Doncaster DN3 1QR (GB)

(74) Representative: Loven, Keith James et al
Loven & Co Quantum House 30 Tentercroft Street
Lincoln LN5 7DB
Lincoln LN5 7DB (GB)

   


(54) Rotary abrasive cutting disc


(57) A method of making a rotary cutting disc comprises forming a metal support member (1), shaping at least one compacted body (4) of powdered material containing abrasive particles so as to enclose at least a portion of the periphery of the support member, and heating the body or bodies to sinter the powdered material and bond the or each body to the periphery of the support member, and then locally applying heat to at least a portion of the external junction between the or each body and the support member to form a weld (6).






Search report