Global Patent Index - EP 1608475 B1

EP 1608475 B1 20060830 - METHOD FOR PRODUCING HOLLOW GRINDING BODIES

Title (en)

METHOD FOR PRODUCING HOLLOW GRINDING BODIES

Title (de)

VERFAHREN ZUR HERSTELLUNG VON HOHLEN MAHLKÖRPERN

Title (fr)

PROCEDE DE FABRICATION D'ELEMENTS BROYEURS CREUX

Publication

EP 1608475 B1 20060830 (DE)

Application

EP 04718959 A 20040310

Priority

  • EP 2004002462 W 20040310
  • EP 03006652 A 20030325
  • EP 04718959 A 20040310

Abstract (en)

[origin: EP1462195A1] Preparation of hollow grinding bodies for material to be ground (MG) including a casting mold with a hollow space, arrangement of the casting core in the hollow space to give an intermediate space for the MG, introduction of casting core holding elements, application of an envelope to each of these, casting of the MG in the hollow space, where the envelopes consist of a metallic material which can be melted with the MG. An independent claim is included for a grinding body such that an intermediate layer is formed between the envelopes and holding elements (6).

IPC 8 full level

B22D 25/02 (2006.01); B02C 17/20 (2006.01)

CPC (source: EP US)

B02C 17/20 (2013.01 - EP US); B22D 25/02 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 1462195 A1 20040929; CN 100346905 C 20071107; CN 1767916 A 20060503; DE 502004001353 D1 20061012; EP 1608475 A1 20051228; EP 1608475 B1 20060830; US 2006243413 A1 20061102; US 7316258 B2 20080108; WO 2004085097 A1 20041007; ZA 200506996 B 20060726

DOCDB simple family (application)

EP 03006652 A 20030325; CN 200480007883 A 20040310; DE 502004001353 T 20040310; EP 04718959 A 20040310; EP 2004002462 W 20040310; US 55059405 A 20050923; ZA 200506996 A 20050831