B - Operations – Transporting – 31 – F
Patent
B - Operations, Transporting
31
F
B31F 1/10 (2006.01)
Patent
CA 2319156
A rolling installation for making creases in a web of material, such as cardboard, comprising a pair of rotary rollers (1, 2), each of which is mounted at its two ends in bearings and each of which is provided with roll surfaces by means of which the rollers are rollable with respect to one another leaving a gap (7) between the roll surfaces, one of which rollers is provided with at least one ridge and the other of which is provided with at least one groove, and the rollers are synchronised such that at the location of the gap each ridge is opposite a groove. Multiple parallel ridges (11) are provided on the one roller and corresponding multiple parallel grooves (13) are provided on the other roller in order to form multiple parallel creases in the web of material, at the location of which creases a rounded corner can be formed.
L'invention concerne une installation de cylindres servant à produire des plis dans une bande de matière, tel que du carton, et comportant deux cylindres rotatifs (1, 2). Chaque cylindre est monté à ses deux extrémités dans des paliers, et comporte des surfaces de cylindre qui permettent aux cylindres de rouler l'un par rapport à l'autre en laissant un espace (7) entre les surfaces de cylindre. L'un des cylindres comporte au moins une cannelure, et l'autre comporte au moins un sillon, les cylindres étant synchronisés de telle sorte qu'à l'emplacement de l'espace, chaque cannelure est opposée à un sillon. De multiples cannelures (11) parallèles sont prévues sur un cylindre, et de multiples sillons (13) parallèles correspondants sont prévus sur l'autre cylindre pour permettre de former de multiples plis parallèles dans la bande de matière; un angle arrondi peut être formé à l'endroit où se trouvent ces plis.
Koitek Gunther Hans
Madern Jean Henry Robert
Madern Graveerindustrie En Gereedschappenfabriek B.v.
Mccarthy Tetrault Llp
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