(19)
(11) EP 2 546 433 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.11.2015 Bulletin 2015/47

(43) Date of publication A2:
16.01.2013 Bulletin 2013/03

(21) Application number: 12176398.1

(22) Date of filing: 13.07.2012
(51) International Patent Classification (IPC): 
E04F 13/08(2006.01)
E04C 2/20(2006.01)
 E04F 13/18(2006.01)
(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: 13.07.2011 GB 201111994
29.09.2011 GB 201116785

(71) Applicant: Douglass, James Edward
Ryton-on-Dunsmore, Warwickshire CV8 3EJ (GB)

(72) Inventor:
  • Douglass, James Edward
    Ryton-on-Dunsmore, Warwickshire CV8 3EJ (GB)

(74) Representative: ip21 Ltd 
Central Formalities Department Lakeside 300 Old Chapel Way
Broadland Business Park Norwich Norfolk NR7 0WG
Broadland Business Park Norwich Norfolk NR7 0WG (GB)

   


(54) Composite cladding boards


(57) A cladding board (7, 13, 16, 17) comprises a side with a tongue (9, 23) and a side with a groove (10) or cut-out portion (21) to facilitate the attachment of the cladding board to another such cladding board; wherein said board incorporates a backing layer (2, 8, 19) of primarily rigid foamed plastics material; and a further layer (3, 11, 14, 15, 18) located over said backing layer being primarily of an elastomer; said groove or cut-out portion being of exposed rigid foamed plastics material without any elastomer covering being provided in said groove or cut-out portion; wherein said further layer (3, 11, 14, 15, 18) has greater inherent flexibility than said backing layer (2, 8, 19).







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Search report