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1. WO2009050272 - UNIT AND METHOD FOR FINAL FOLDING IN IN-LINE MANUFACTURING OF CORRUGATED BOARD BOXES

Publication Number WO/2009/050272
Publication Date 23.04.2009
International Application No. PCT/EP2008/064050
International Filing Date 17.10.2008
IPC
B31B 1/54 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
1Box, carton, envelope or bag making machinery characterised by performing specific operations
26Folding sheets, blanks, or webs
52by reciprocating or oscillating members, e.g. fingers other than plungers and dies
54operating on moving material
B31B 1/58 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
1Box, carton, envelope or bag making machinery characterised by performing specific operations
26Folding sheets, blanks, or webs
58by moving endless belts
B31B 3/26 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
3Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs
26and having means for folding sheets, blanks, or webs
CPC
B31B 2100/00
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
2100Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
B31B 50/00
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
50Making rigid or semi-rigid containers, e.g. boxes or cartons
B31B 50/26
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
50Making rigid or semi-rigid containers, e.g. boxes or cartons
26Folding sheets, blanks or webs
B31B 50/54
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
50Making rigid or semi-rigid containers, e.g. boxes or cartons
26Folding sheets, blanks or webs
52by reciprocating or oscillating members, e.g. fingers
54operating on moving material
B31B 50/58
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
50Making rigid or semi-rigid containers, e.g. boxes or cartons
26Folding sheets, blanks or webs
58by moving endless belts ; or chains
Applicants
  • BERG INDUSTRIES AB [SE]/[SE] (AllExceptUS)
  • WIKLUND, Lennart [SE]/[SE] (UsOnly)
Inventors
  • WIKLUND, Lennart
Agents
  • AWAPATENT AB
Priority Data
0702323-718.10.2007SE
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) UNIT AND METHOD FOR FINAL FOLDING IN IN-LINE MANUFACTURING OF CORRUGATED BOARD BOXES
(FR) UNITÉ ET PROCÉDÉ DE PLIAGE FINAL DANS UNE CHAÎNE DE FABRICATION DE BOÎTES EN CARTON ONDULÉ
Abstract
(EN)
A folding unit for final folding of the outer panels (55, 56) of a corrugated board sheet (18) in in-line manufacturing of corrugated board boxes, comprising a pair of parallel and laterally displaceable folding beams (1, 2) with a respective endless conveyor belt (3, 4), which extend from the inlet (19) of the folding unit to a pair of press rolls (9, 10) at the outlet (20) of the folding unit. A pair of folding rules (5, 6) are arranged under the respective folding beams (1, 2) and extend from the inlet (19) of the folding unit and towards, but not all the way to, the outlet (20) of the folding unit. A pair of folding bars (33, 34) which are fixedly positioned outside the respective folding rules (5, 6) and at an angle to the respective folding rules are arranged in the front portion of the folding unit, as seen in the transport direction (15) of the corrugated board sheets (18). A pair of folding belts (7, 8) are arranged under a respective folding rule (5, 6) to cooperate therewith and extend from an associated deflecting roller (16) with a vertical axis at the terminal end of the folding bars (33, 34) in the transport direction (15), to an associated deflecting roller (17) with a horizontal axis substantially adjacent the pair of press rolls (9,10). A lifting device (38, 39, 43) is positioned in front of the pair of deflecting rollers (17) and is brought into contact with the folded panels (55, 56) when the front edge (61) of the corrugated board sheet (18) has passed the lifting device (38, 39, 43) and successively lifts them, so that when said front edge (61) is introduced in the nip between the press rolls (9, 10) at least the portion of the panels (55, 56) that is situated between the press rolls (9, 10) and the lifting device (38, 39, 43) has been folded 180°.
(FR)
L'invention concerne une unité de pliage pour le pliage final des panneaux externes (55, 56) d'une feuille de carton ondulé (18) dans une chaîne de fabrication de boîtes en carton ondulé, comprenant une paire de rouleaux de pliage (1, 2) parallèles et déplaçables latéralement ayant chacun une courroie de transporteur sans fin respective (3, 4), qui s'étend depuis l'admission (19) de l'unité de pliage vers une paire de rouleaux presseurs (9, 10) au niveau de l'évacuation (20) de l'unité de pliage. Une paire de règles de pliage (5, 6) est disposée sous les rouleaux de pliage respectifs (1, 2) et s'étend depuis l'admission (19) de l'unité de pliage et en direction de l'évacuation (20) de l'unité de pliage, mais pas sur tout le chemin menant à celle-ci. Une paire de barres de pliage (33, 34) positionnées de manière fixe hors des règles de pliage respectives (5, 6) et formant un angle avec les règles de pliage respectives, est disposée dans la partie avant de l'unité de pliage, comme on peut le voir dans la direction de transport (15) des feuilles de carton ondulé (18). Une paire de courroies de pliage (7, 8) est disposée sous une règle de pliage respective (5, 6) pour coopérer avec celle-ci et s'étend depuis un rouleau déflecteur associé (16) présentant un axe vertical sur l'extrémité terminale des barres de pliage (33, 34) dans la direction de transport (15), vers un rouleau déflecteur associé (17) présentant un axe horizontal sensiblement adjacent à la paire de rouleaux presseurs (9, 10). Un dispositif de levage (38, 39, 43) est positionné en face de la paire de rouleaux déflecteurs (17) et est amené en contact avec les panneaux pliés (55, 56), lorsque le bord avant (61) de la feuille de carton ondulé (18) a dépassé le dispositif de levage (38, 39, 43), et lève successivement ceux-ci, de sorte que lorsque ledit bord avant (61) soit introduit dans l'espacement (55, 56) entre les rouleaux presseurs (9, 10), au moins la partie des panneaux (55, 56) qui est située entre les rouleaux presseurs (9, 10) et le dispositif de levage (38, 39, 43) ayant été pliée à 180°.
Also published as
Latest bibliographic data on file with the International Bureau