Embossing and adhesive printing process

B - Operations – Transporting – 05 – D

Patent

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Details

B05D 1/28 (2006.01) B05D 3/12 (2006.01) B05D 5/10 (2006.01) B29C 59/04 (2006.01) C09J 5/00 (2006.01) C09J 7/02 (2006.01)

Patent

CA 2484795

An embossing and adhesive application process including the steps of: applying an adhesive to a first patterned embossing roll which is engaged with a second patterned embossing roll having a complementary pattern to the first embossing roll; passing a web of sheet material between the first and second embossing rolls at a tangential line speed to simultaneously emboss the web and direct the adhesive against the web; and splitting the adhesive such that at least some of the adhesive remains on the first embossing roll and some of the adhesive remains on the web to form an adhesive pattern between embossments on the web.

La présente invention concerne un procédé d'embossage et d'application d'adhésif comportant plusieurs opérations. On commence par appliquer un adhésif sur un rouleau embosseur portant un motif au contact d'un deuxième rouleau embosseur portant un motif complémentaire du premier rouleau embosseur. On fait ensuite défiler la feuille en continu entre les deux rouleaux embosseur en respectant leur vitesse linéaire tangentielle de façon à pouvoir embosser la feuille en continu tout en dirigeant l'adhésif contre elle. Il ne reste plus qu'à séparer l'adhésif de façon qu'une partie au moins de l'adhésif reste sur le premier rouleau embosseur, et qu'une partie de l'adhésif reste sur la feuille en continu de façon à former un motif d'adhésif entre les embossages marquant la feuille en continu.

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