Tubular core with polymer plies

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 1/08 (2006.01) B29C 53/56 (2006.01) B29C 53/58 (2006.01) B65H 75/10 (2006.01)

Patent

CA 2545447

A tubular core and associated method of manufacture are provided. The tubular core includes at least one inner ply and at least two plastic plies disposed thereon. The inner ply, which can be paper or plastic, has an inner surface upon which identifying indicia are printed, for example, before the tube is formed and while the inner ply is in a flat configuration. The first and second plastic plies are disposed on the inner ply and adhered so that the second plastic ply substantially covers the inner ply and the first plastic ply.

L'invention concerne un noyau tubulaire et un procédé de fabrication associé. Le noyau tubulaire comprend au moins une couche intérieure et au moins deux couches plastiques disposées dessus. La couche intérieure, qui peut être en papier ou en plastique, présente une surface intérieure sur laquelle des marques d'identification sont imprimées, par exemple, avant que le tube ne soit formé et tant que la couche intérieure est dans une configuration à plat. Les première et seconde couches plastiques sont disposées sur la couche intérieure et collées de sorte que la seconde couche plastique recouvre sensiblement la couche intérieure et la première couche plastique.

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