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(11)

EP 3 066 381 A2

(12)

(88) Date of publication A3: 20.08.2015 (43) Date of publication: 14.09.2016 Bulletin 2016/37 (21) Application number: 14799310.9 (22) Date of filing: 04.11.2014

(51) International Patent Classification (IPC):  F21S 8/02(2006.01) F21V 7/00(2006.01) F21V 33/00(2006.01) F21Y 101/00(2016.01) (86) International application number: PCT/US2014/063909 (87) International publication number: WO 2015/066703 (07.05.2015 Gazette 2015/18)

(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 (30) Priority: 04.11.2013 US 201314071630 04.11.2013 US 201314071636 (71) Applicants: Armstrong World Industries, Inc. Lancaster, Pennsylvania 17603 (US) Goldeneye, Inc San Diego, CA 92131 (US)

(72) Inventors: LIVESAY, William R. San Diego, California 92131 (US) ZIMMERMAN, Scott M. Basking Ridge, New Jersey 07920 (US) ROSS, Richard L. Del Mar, California 92014 (US) DEANDA, Eduardo San Diego, California 92111 (US) PATTERSON, Brian Lewisberry, Pennsylvania 17339 (US) MYERS, Jere W. Washington Boro, Pennsylvania 17582 (US) (74) Representative: Jenkins, Peter David  Page White & Farrer Bedford House John Street London WC1N 2BF London WC1N 2BF (GB)