(19)
(11) EP 3 122 227 A1

(12)

(43) Date of publication:
01.02.2017 Bulletin 2017/05

(21) Application number: 15714732.3

(22) Date of filing: 19.03.2015
(51) International Patent Classification (IPC): 
A47L 13/16(2006.01)
A47L 13/257(2006.01)
(86) International application number:
PCT/US2015/021449
(87) International publication number:
WO 2015/148256 (01.10.2015 Gazette 2015/39)
(84) Designated Contracting States:
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 States:
BA ME
Designated Validation States:
MA

(30) Priority: 25.03.2014 US 201461970003 P

(71) Applicant: 3M Innovative Properties Company
St. Paul, MN 55133-3427 (US)

(72) Inventors:
  • DAVELOOSE, Paul N.
    Saint Paul, Minnesota 55133-3427 (US)
  • CHAFFEE, Matthew D.
    Saint Paul, Minnesota 55133-3427 (US)
  • COLE, Matthew S.
    Saint Paul, Minnesota 55133-3427 (US)
  • SCHELHAAS, Verlin W.
    Saint Paul, Minnesota 55133-3427 (US)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstrasse 3
81675 München
81675 München (DE)

   


(54) A CONTINUOUSLY CURVING CLEANING ELEMENT AND METHOD OF MAKING