Sectional construction strip, more particularly sectional...

E - Fixed Constructions – 06 – B

Patent

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18/644, 108/73

E06B 1/26 (2006.01) B29C 31/00 (2006.01) B29C 47/02 (2006.01) B29C 47/06 (2006.01) B29C 70/02 (2006.01) B29C 70/56 (2006.01) B29C 70/66 (2006.01) E06B 3/22 (2006.01) E06B 3/20 (2006.01)

Patent

CA 1126584

Abstract of the disclosure A moulded strip, particularly for use in window frames or the like, of the type of a core section made of a plastic matrix with tiny cavities disposed within a generally tubular shell of PVC or the like. The core is composed of a matrix of polymerized methylmethacrylate cross-linked to the tubular shell and having tiny hollow silicate spheres as a filler. The invention presents the improvement of combining a high mechanical strength with a substantially reduced shrinkage of the core, due to an improved bond between the core and the shell.

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