(19)

(11)

EP 2 215 300 A2

(12)

(88) Date of publication A3: 16.07.2009 (43) Date of publication: 11.08.2010 Bulletin 2010/32 (21) Application number: 08843275.2 (22) Date of filing: 20.10.2008

(51) International Patent Classification (IPC):  D06F 35/00(2006.01) (86) International application number: PCT/JP2008/002971 (87) International publication number: WO 2009/054120 (30.04.2009 Gazette 2009/18)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 22.10.2007 JP 2007274237 (71) Applicant: Panasonic Electric Works Co., Ltd Kadoma-shi Osaka 571-8686 (JP)	(72) Inventors: NAKADA, Takayuki Kadoma-shi Osaka 571-8686 (JP) SUDA, Hiroshi Kadoma-shi Osaka 571-8686 (JP) MACHI, Masaharu Kadoma-shi Osaka 571-8686 (JP) (74) Representative: Appelt, Christian W.  Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München 80336 München (DE)