Web-winding core

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 75/10 (2006.01) B65H 75/18 (2006.01)

Patent

CA 2632002

A web-winding core (1) is disclosed. The core comprises a tubular wall and longitudinal ribs (2) extending radially inward from the wall. It is formed from a fibre reinforced polymeric composite material. The polymeric material is typically anisotropic and has the required strengths in specific directions by design orientation of the reinforcing fibres. It may have reinforcing fibres disposed substantially parallel to the longitudinal axis of the core, fibres disposed within the longitudinal ribs, fibres substantially perpendicular to the longitudinal axis of the core and/or fibres disposed at least one angle other than 90~ to the longitudinal axis of the core. The reinforcing fibres may include one or more of glass, carbon, aromatic polyamide such as Aramid, other polymeric, natural (of vegetable origin) and/or metallic fibres.

La présente invention concerne une broche d~enrouleuse de voile (1). La broche comprend une paroi tubulaire et des nervures longitudinales (2) s~étendant radialement vers l~intérieur depuis la paroi. Ladite broche est formée dans un matériau composite polymère renforcé par des fibres. Le matériau polymère est généralement anisotrope et présente les résistances nécessaires dans des directions spécifiques de par la conception orientée des fibres de renforcement. Il peut contenir des fibres de renforcement disposées essentiellement parallèlement à l~axe longitudinal de la broche, des fibres disposées dans les nervures longitudinales, des fibres disposées essentiellement perpendiculairement à l~axe longitudinal de la broche et/ou des fibres disposées selon au moins un angle différent de 90° par rapport à l~axe longitudinal de la broche. Les fibres de renforcement peuvent inclure un ou plusieurs des éléments sélectionnés parmi le verre, le carbone, un polyamide aromatique tel que l~Aramide et d~autres fibres polymères, naturelles (d~origine végétale) et/ou métalliques.

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