Global Patent Index - EP 0839606 A3

EP 0839606 A3 2000-09-27 - A honing tool and super-high precision finishing method using said honing tool

Title (en)

A honing tool and super-high precision finishing method using said honing tool

Title (de)

Honwerkzeug und hochpräzise Feinstbearbeitungsverfahren unter Verwendung dieses Honwerkzeuges

Title (fr)

Outil de rodage et procédé de finition à haute précision utilisant ce rodoir

Publication

EP 0839606 A3 (EN)

Application

EP 98200011 A

Priority

  • EP 98200011 A
  • EP 90911698 A

Abstract (en)

[origin: EP0839606A2] The invention relates to a honing tool for carrying out honing working of a work with high accuracy and super precision finishing method using the honing tool. The honing tool is mainly constituted by a pilot section (5), a rough grinding section (7), a finish grinding section (10) and a correction section (13). The honing tool is sent at rapid speed while being reciprocated little, and the machining working and correction finishing of the straightness are carried out thereby the honing working is carried out. According to the invention, the machining working efficiency and the working accuracy can be improved, and the honing finishing with high straightness becomes possible. <IMAGE>

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

B24B 33/02; B24B 33/08

IPC 8 full level (invention and additional information)

B24B 33/08 (2006.01)

CPC (invention and additional information)

B24B 33/083 (2013.01)

Citation (search report)

  • [Y] DE 4439381 A1 19960509 - NAGEL MASCH WERKZEUG [DE]
  • [A] US 4223485 A 19800923 - LARGETEAU PIERRE A
  • [Y] PATENT ABSTRACTS OF JAPAN vol. 004, no. 041 (M - 005) 29 March 1980 (1980-03-29)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 011, no. 157 (M - 590) 21 May 1987 (1987-05-21)

Designated contracting state (EPC)

CH DE FR GB IT LI

EPO simple patent family

EP 0839606 A2 19980506; EP 0839606 A3 20000927

INPADOC legal status


2004-03-10 [18R] REFUSED

- Ref Legal Event Code: 18R

- Effective date: 20031017

2001-05-30 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010411

2001-02-14 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001215

2000-09-27 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): CH DE FR GB IT LI

2000-09-27 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- Free Format Text: 7B 24B 33/02 A, 7B 24B 33/08 B

1998-09-02 [RIN1] INVENTOR (CORRECTION)

- Ref Legal Event Code: RIN1

- Inventor name: HIGASHIKAWA, KATSUTOSHI

1998-05-06 [AC] DIVISIONAL APPLICATION (ART. 76) OF:

- Ref Legal Event Code: AC

- Ref Document Number: 610498

- Country of Ref Document: EP

1998-05-06 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): CH DE FR GB IT LI