B - Operations – Transporting – 31 – D
Patent
B - Operations, Transporting
31
D
B31D 3/00 (2006.01) B31D 3/02 (2006.01) B21D 47/00 (2006.01)
Patent
CA 2366504
The invention relates to a folded honeycomb structure and to a method and device for producing said folded honeycomb structure from a corrugated core web. The folded honeycomb structure has a number of adjacent corrugated core strips which lie in one plane and are interconnected by cover layer strips. Said cover layer strips are folded about 180° and are perpendicular to said plane. According to the inventive method for producing the folded honeycomb structure, interconnected corrugated core strips are produced first by making a number of longitudinal scores in a corrugated core web. These corrugated core strips are then alternately rotated through 90° respectively so that the cover layer strips fold and the folded honeycomb structure is formed. The device corresponding to this method consists of a number of rotating blades for making the longitudinal scores and a number of guiding elements for rotating the interconnecting corrugated core strips.
L'invention concerne une structure en nid d'abeille plissée, ainsi qu'un procédé et un dispositif qui permettent de fabriquer ladite alvéole à partir d'une feuille intérieure ondulée. L'alvéole comporte une pluralité de bandes ondulées disposées adjacentes dans un seul plan, reliées les unes aux autres par des bandes de couverture repliées à 180 DEG et perpendiculaires audit plan. Selon le procédé, on fabrique d'abord des bandes ondulées assemblées en découpant une pluralité d'incisions longitudinales dans une feuille intérieure ondulée; puis on fait tourner une bande sur deux de 90 DEG , de façon à replier les bandes de protection et à former la structure en nid d'abeille plissée. Le dispositif de l'invention comprend une pluralité de lames rotatives, qui permettent de découper les incisions longitudinales, et une pluralité d'éléments de guidage, qui font tourner les bandes ondulées assemblées.
Pflug Jochen
Verpoest Ignace
K.u. Leuven Research & Development
Pflug Jochen
Smart & Biggar
LandOfFree
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