Global Patent Index - EP 3231556 A1

EP 3231556 A1 2017-10-18 - BURR REMOVAL DEVICE AND BURR REMOVAL METHOD

Title (en)

BURR REMOVAL DEVICE AND BURR REMOVAL METHOD

Title (de)

ENTGRATUNGSVORRICHTUNG UND ENTGRATUNGSVERFAHREN

Title (fr)

DISPOSITIF D'ÉBAVURAGE ET PROCÉDÉ D'ÉBAVURAGE

Publication

EP 3231556 A1 (EN)

Application

EP 15867853 A

Priority

  • JP 2014247523 A
  • JP 2015092456 A
  • JP 2015080599 W

Abstract (en)

A burr removal method includes: a step of preparing a burr removal device including a processing container and a suction mechanism for generating suction force, and a plurality of objects to be processed; a step of setting the plurality of objects to be processed in the processing container; a step of stirring the plurality of objects to be processed which are set in the processing container; and a step of removing burrs from the plurality of objects to be processed in such a manner that abrasive grains, fed to the plurality of objects to be processed in the stirred state, are accelerated to a predetermined speed by air flow generated by operating the suction mechanism, to thereby contact or collide with the plurality of objects to be processed.

IPC 8 full level (invention and additional information)

B24C 1/00 (2006.01); B24C 3/26 (2006.01); B24C 3/32 (2006.01); B24C 5/00 (2006.01); B24C 9/00 (2006.01)

CPC (invention and additional information)

B24C 1/00 (2013.01); B24C 1/083 (2013.01); B24C 3/26 (2013.01); B24C 3/32 (2013.01); B24C 5/00 (2013.01); B24C 9/00 (2013.01); B24C 9/003 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

EPO simple patent family

EP 3231556 A1 20171018; EP 3231556 A4 20180523; CN 107000161 A 20170801; JP WO2016092975 A1 20170914; KR 20170092623 A 20170811; TW 201628774 A 20160816; WO 2016092975 A1 20160616

INPADOC legal status


2018-03-21 [DAV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (IN ANY COUNTRY) (DELETED)

2018-03-21 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) (DELETED)

2017-10-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20170502

2017-10-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

2017-10-18 [AV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT IN:

- Countries: MA

2017-10-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: BA ME