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EP 3 204 569 A1

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(43) Date of publication: 16.08.2017 Bulletin 2017/33 (21) Application number: 15849650.5 (22) Date of filing: 07.10.2015

(51) International Patent Classification (IPC):  E04C 2/20(2006.01) E04F 10/02(2006.01) D03D 1/00(2006.01) E04C 2/32(2006.01) E04H 15/54(2006.01) (86) International application number: PCT/US2015/054521 (87) International publication number: WO 2016/057689 (14.04.2016 Gazette 2016/15)

(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: 07.10.2014 US 201462060732 P (71) Applicant: Saint-Gobain Performance Plastics Corporation Solon, OH 44139 (US)	(72) Inventors: FAN, Hua Windham, New Hampshire 03087 (US) LUSSIER, Michael J. Hooksett, New Hampshire 03106 (US) CUSHMAN, Michael P. Williamstown, Massachusetts 01267 (US) BUSS, Gerard T. Bedford, New Hampshire 03110 (US) DEMERS, Marie J. Dover, New Hampshire 03820 (US) (74) Representative: Zimmermann & Partner Patentanwälte mbB  Postfach 330 920 80069 München 80069 München (DE)