A - Human Necessities – 41 – H
Patent
A - Human Necessities
41
H
A41H 33/00 (2006.01) A41D 27/20 (2006.01) D05B 35/04 (2006.01)
Patent
CA 2355253
The invention relates to a method for folding or re-folding pockets with round edge sections and to a device for carrying out said method. The round folding slider elements (9; 53) are provided with concave folding edges (49; 54) and are moved or designed in such a way that the ends (50, 51; 55) thereof move forward one after the other or simultaneously in relation to the center area of the concave folding edges.The transition areas between the round and straight edge sections of the pockets undergo a particularly intensive form of folding in order to obtain an even folding edge on all sides.
L'invention concerne un procédé pour plier normalement ou plier en rond des poches présentant des sections de bord rondes, ainsi qu'un dispositif permettant la mise en oeuvre de ce procédé. Les coulisseaux de pliage en rond (9; 53), qui sont pourvus de bords de pliage concaves (49; 54), soit sont déplacés, soit sont formés de telle sorte que leurs extrémités (50, 51; 55) avancent soit l'une après l'autre, soit simultanément, par rapport à la zone centrale des bords de pliage concaves (49; 54). De cette façon, la zone de transmission entre les sections de bord de poche rondes et droites est soumise à un effet de pliage particulièrement intensif, ce qui permet d'obtenir un bord de pli de poche régulier à tous égards.
Handte Werner
Pfleger Herbert
Zinssmeister Axel
G.m. Pfaff Aktiengesellschaft In Insolvenz
Robic
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