Interlocking vinyl siding panels and methods of making

E - Fixed Constructions – 04 – D

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E04D 1/00 (2006.01) B29D 99/00 (2010.01) B29C 47/00 (2006.01) B29C 47/90 (2006.01) B29C 53/04 (2006.01)

Patent

CA 1247833

ABSTRACT OF THE DISCLOSURE The attached specification discloses a method of forming interlocking vinyl siding panels. A sheet of vinyl is extruded with a V-shaped bend along one of its edges, and a Z- shaped bend intermediate its edges. The extruded sheet of vinyl is then formed, while in a hot, semi-viscous state into the final siding profile. As the siding profile is formed, the V-shaped bend is formed into a first locking profile and the Z-shaped bend is formed into a second locking profile. The first locking profile is dimensioned for a snap-type engagement with the second locking profile of another similarly formed siding member. The panels so formed, due to the ease with which they can be inter- locked, can be speedily applied to a building by one man working without assistance.

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