Global Patent Index - EP 0768133 A3

EP 0768133 A3 19981111 - Method of reforming surface of cast product

Title (en)

Method of reforming surface of cast product

Title (de)

Verfahren zum Verbessern der Oberfläche eines Gusswerkstückes

Title (fr)

Procédé pour améliorer la surface d'un objet coulée

Publication

EP 0768133 A3 19981111 (EN)

Application

EP 96307172 A 19961001

Priority

  • JP 28935595 A 19951009
  • JP 16984296 A 19960628

Abstract (en)

[origin: EP0768133A2] An intermediate material is formed by coating at least a half of the surface of a function selecting material having at least one of physical property values that are different from those of a casting metal material forming a cast product with a coating metal material and the casting metal material is cast together with the intermediate material to form a composite body in casting the product.

IPC 1-7

B22D 19/08

IPC 8 full level

B22D 19/08 (2006.01); C22C 1/10 (2006.01)

CPC (source: EP KR)

B22D 17/00 (2013.01 - KR); B22D 19/08 (2013.01 - EP); C22C 1/1036 (2013.01 - EP); C22C 1/1042 (2013.01 - EP)

Citation (search report)

  • [XY] US 3945423 A 19760323 - HANNIG CHRISTOPH
  • [X] US 5184662 A 19930209 - QUICK NATHANIEL R [US], et al
  • [XY] PATENT ABSTRACTS OF JAPAN vol. 014, no. 057 (C - 0684) 2 February 1990 (1990-02-02)
  • [X] PATENT ABSTRACTS OF JAPAN vol. 006, no. 257 (C - 140) 16 December 1982 (1982-12-16)
  • [Y] PATENT ABSTRACTS OF JAPAN vol. 015, no. 021 (M - 1070) 17 January 1991 (1991-01-17)
  • [X] PATENT ABSTRACTS OF JAPAN vol. 018, no. 538 (M - 1686) 13 October 1994 (1994-10-13)
  • [X] PATENT ABSTRACTS OF JAPAN vol. 014, no. 323 (M - 0997) 11 July 1990 (1990-07-11)
  • [X] DATABASE WPI Section Ch Week 7433, Derwent World Patents Index; Class M14, AN 74-59130V, XP002077503
  • [X] PATENT ABSTRACTS OF JAPAN vol. 018, no. 547 (C - 1262) 19 October 1994 (1994-10-19)
  • [DA] PATENT ABSTRACTS OF JAPAN vol. 095, no. 008 29 September 1995 (1995-09-29)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0768133 A2 19970416; EP 0768133 A3 19981111; EP 0768133 B1 20011205; DE 69617600 D1 20020117; DE 69617600 T2 20020725; KR 100447898 B1 20041116; KR 980000705 A 19980330

DOCDB simple family (application)

EP 96307172 A 19961001; DE 69617600 T 19961001; KR 19960044638 A 19961008