EP0423481B1 - Dispositif pour déposer des sacs avec fond collé - Google Patents
Dispositif pour déposer des sacs avec fond collé Download PDFInfo
- Publication number
- EP0423481B1 EP0423481B1 EP90117412A EP90117412A EP0423481B1 EP 0423481 B1 EP0423481 B1 EP 0423481B1 EP 90117412 A EP90117412 A EP 90117412A EP 90117412 A EP90117412 A EP 90117412A EP 0423481 B1 EP0423481 B1 EP 0423481B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressing
- belts
- delivery device
- cylinders
- bags
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
- B31B70/626—Arrangements for permitting the glue to set
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
- Y10T156/1702—For plural parts or plural areas of single part
- Y10T156/1712—Indefinite or running length work
- Y10T156/1741—Progressive continuous bonding press [e.g., roll couples]
Definitions
- the glued bottoms of sacks must be pressed together immediately after they have been manufactured in order to prevent the bottom folds from erecting while loosening the bonds and to achieve well-glued bottoms by pressing the bottom areas.
- the double belt conveyors consisting of press belts are provided for sack stacks formed from the sacks just produced, in which the press belts compress the stacks in the region of the bottoms. Since the pressing must be maintained for a sufficiently long time, the double belt conveyors which compress the stack must have a considerable length, which leads to an undesirably long construction of the systems for the production of the bags.
- DE-C-313 866 discloses a device of the type specified at the outset, which, however, does not serve to put down bags provided with glued bottoms, but rather to dry the flap edges of envelopes provided with adhesive.
- all the press belts are wrapped in the strands of a single double belt conveyor, with successive press cylinders being wrapped in an S-shape.
- S-shaped wrap has the result that the two strands of the double belt conveyor are alternately inside and outside. Since the outer sections of the conveying strands revolve at a higher speed than the inner ones, there are relative displacements between the two edges of the double belt conveyor during the run over the press cylinders, which lead to an undesirable distortion of the scaled objects one above the other.
- the object of the invention is therefore to ensure a distortion-free conveyance of the overlapping sacks during their conveyance from the feed station to the discharge station.
- two pairs of press cylinders wrapped with endless press belts, each with an S-shaped conveying path, are provided.
- This arrangement allows sections of the press section to be arranged in several planes, which leads to an additional reduction in the overall length.
- the pairs of press cylinders are expediently arranged approximately symmetrically to a vertical plane parallel to the press cylinder axes. Two press cylinders of the two pairs of press cylinders can each be arranged closer and further away from the plane of symmetry.
- the conveyance of shingled sacks one above the other by a double belt conveyor with endless upper and lower runs, which run over two spaced-apart deflection cylinders, is known per se from DE-PS 530 526.
- the two strands of the double belt conveyor form a straight conveyor section on which the strands run at different speeds because the outer strands are given a higher speed when circulating via the deflecting cylinders. Due to the relative speed between the two conveying strands of the double belt conveyor, the bag scale is pulled apart, so that the distances and the position of the individual bags in the stream of shingles change in an indefinable manner.
- the press belts of the double belt conveyors rotate at least one downstream press cylinder at a higher speed than they correspond to a previous press cylinder. Due to this higher speed, the scales overlapping sacks are pulled apart with an evenly increasing scale distance, so that any The sacks should not be stuck together.
- the press cylinder rotating at higher speed is preceded by a double belt conveyor consisting of press belts with a straight conveying path.
- the press belt forming the lower run of the straight conveyor section expediently wraps around the following press cylinder as the inside belt, the upper or outer press belts of the straight conveyor section and the following press cylinder being separated from one another. This prevents the press belts of the double belt conveyor from rotating in the area of the straight conveyor section at different speeds relative to one another.
- the last pair of press cylinders expediently rotate at a higher speed.
- each separate press belts are provided, each of which is assigned to the bottom parts with a different number of layers.
- This configuration takes into account the fact that the outer parts of each bottom have fewer layers, for example only two layers, while the bottom part overlapping a sack wall is thicker around the layers of the two sack walls.
- the first cylinder 2 is for the most part wrapped in a drivable pair of belts 6, which is extended to an infeed belt 6 '.
- the pair of belts 6 acts as a pair of infeed belts 6 '
- the latter is another drivable pair of belts 7 assigned so that the shingled stream entering in the direction of arrow A passes between the pairs of belts 6 'and 7.
- the pair of belts 8 is guided by the guide rollers 9, of which the roller can be shifted in the direction of arrow B in 9 'to change the web tension.
- the stream passes between the two pairs of belts 10 and 11 which largely surround the cylinder 3, the pair of belts 11 being driven and resting directly on the cylinder 3.
- the guide roller 12 ' can be moved in the direction of arrow C to change the non-driven pair of belts 10.
- the pin 13 of the guide roller 12 ' is held in a longitudinal groove 14, so that the position of the guide roller 12' can be changed via a piston-cylinder unit 15.
- the belt pair 23 directly surrounding the cylinder 5 is also driven, while the outer belt pair 24 runs freely.
- the guide roller 25 can be displaced in the direction of arrow D from the guide rollers of this outer pair of bands 24 in order to change the tension of the outer pair of bands 24.
- the press cylinder 5 outgoing scale stream is then discharged via further belts 26.
- the belt pairs 6 and 11 wrapping around the cylinders 2 and 3 are driven at the same speed, while the inner belt pairs 16 and 23 directly wrapping around the cylinders 4 and 5 are driven at a slightly higher speed than the belt pairs 6 and 11.
- This measure has the effect that the scale spacing of the scale flow running off from the cylinder 3 is increased in a precisely defined manner as soon as the scale flow enters the belt pairs 16 and 17.
- the pair of belts 18 consists of two belts
- the outer non-driven belt pair partially wrapping around the cylinder 4 consists of four individual belts 18 'to 18' '''.
- the embodiment according to FIG. 3 has the advantage that the web tensions of the belts 18 'to 18' '''can be set individually, depending on the thickness of the floor. This is because it consists of four layers in the area of the belts 18 '' and 18 '' ', while it consists of only two layers in the area of the belts 18' and 18 ''''. In the case of very thin material, this difference is not very serious, so that an embodiment according to FIG. 2 can be chosen.
- FIG. 3 it is necessary to provide several piston-cylinder units 22. Even if FIGS. 2 and 3 relate only to the press cylinder 4, it is of course also conceivable to design the outer belt pairs of the cylinders 2, 3 and 5 accordingly.
- FIG. 4 are based on the wider tapes of the pair of tapes 18 each from even narrower tapes 30, which are located only in the area of the outer floor parts with a smaller number of layers, so that this floor area is also subjected to a pressure which corresponds approximately to that of the inner floor area, which is due to the covered Sack walls have a larger number of layers.
- press belts of higher tension or additional press belts are provided for the outer floor areas, these are subjected to a lower pressure because of the smaller number of layers. It is therefore possible to choose press belts which have such a great elasticity that, despite the different number of layers of the two floor parts, they apply approximately the same pressure to the entire floor area.
Landscapes
- Making Paper Articles (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Structure Of Belt Conveyors (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Claims (13)
- Dispositif pour déposer des sacs pourvus de fonds collés avec au moins un convoyeur à bande double comprimant les zones de fond des sacs par ses bandes de pression sans fin qui, avec ses bandes de pression sans fin superposées dans des plans verticaux et transportant entre elles les sacs qui se chevauchent à la manière d'écailles, entourent partiellement au moins deux cylindres de compression (2, 3) avec un trajet de transport en forme de S, ou lorsqu'il y a plus que deux cylindres de compression (2 à 5), avec un trajet de transport plusieurs fois en forme de S, caractérisé en ce que chacun des cylindres de compression (2, 3; 4, 5) est pourvu de bandes de pression propres (10, 11; 7, 8; 23, 24; 16, 18), que les extrémités d'émission des convoyeurs à bande double constitués des bandes de pression (10, 11; 7, 8; 23, 24; 16, 18) du cylindre de compression précédent (2, 4) transmettent les sacs qui se chevauchent à la manière d'écailles à la fente d'entrée du convoyeur à bande double du cylindre de compression (3, 5) suivant, et en ce que les bandes de pression respectivement extérieures (10, 8, 24, 18) du ou des convoyeurs à bande double ne sont pas entraînés.
- Dispositif de dépôt selon la revendication 1, caractérisé en ce que sont prévues deux paires de cylindres de compression (2, 3; 4, 5) entourés par des bandes de pression sans fin (10, 11; 7, 8; 23, 24; 16, 18) avec un trajet de transport respectivement en forme de S.
- Dispositif de dépôt selon la revendication 1 ou 2, caractérisé en ce que les paires de cylindres de compression (2, 3; 4, 5) sont disposés à peu près symétriquement à un plan vertical, parallèle aux axes de cylindre de compression.
- Dispositif de dépôt selon la revendication 3, caractérisé en ce que deux cylindres de compression (2, 5; 3, 4) respectivement des deux paires de cylindres de compression sont disposés plus proches et plus éloignés respectivement, au plan de symétrie.
- Dispositif de dépôt selon l'une des revendications 1 à 3, caractérisé en ce que les bandes de pression des convoyeurs à bande double (10, 11; 16, 18; 23, 24) au moins d'un cylindre de compression (3, 4, 5) placé à la suite tourne à une vitesse plus élevée qu'un cylindre de compression qui précède.
- Dispositif de dépôt selon la revendication 5, caractérisé en ce qu'on a placé devant le cylindre de compression (4) tournant à une vitesse plus élevée un convoyeur à bande double constitué de bandes de pression (16, 17) avec un trajet de transport rectiligne.
- Dispositif de dépôt selon la revendication 6, caractérisé en ce que la bande de pression (16) formant le brin inférieur du trajet de transport rectiligne entoure comme bande se trouvant à l'intérieur le cylindre de compression (4) suivant, et en ce que les bandes de pression supérieures ou extérieures (17, 18) du trajet de transport rectiligne et du cylindre de compression suivant (4) sont séparés les unes des autres.
- Dispositif de dépôt selon l'une des revendications précédentes, caractérisé en ce que parmi deux paires de cylindres de compression (2, 3; 4, 5), la dernière paire de cylindres de compression (4, 5) tourne à une vitesse plus élevée.
- Dispositif de dépôt selon l'une des revendications 1 à 8, caractérisé en ce que les bandes de pression (10, 11; 7, 8; 23, 24; 16, 18) sont disposées respectivement seulement au voisinage des deux fonds des sacs.
- Dispositif de dépôt selon l'une des revendications 1 à 9, caractérisé en ce que sont prévus dans les zones de fond des sacs respectivement deux bandes de pression extérieures séparées l'une de l'autre (18', 18''; 18''', 18'''') qui sont associées respectivement seulement aux parties de fond dont le nombre de couches diffère.
- Dispositif de dépôt selon la revendication 9, caractérisé en ce que les bandes de pression (18) recouvrant au moins partiellement les zones de fond latérales des sacs transportés en position transversale sont pourvues d'une paire de bandes de pression additionnelles (30) tournant avec celles-ci et exerçant une pression sur celles-ci qui se trouvent seulement au voisinage des parties de fond extérieures présentant un nombre de couches inférieure.
- Dispositif de dépôt selon la revendication 9, caractérisé en ce que la tension de chacune des bandes de pression (8, 10, 18, 24) peut être réglé indépendamment de la tension des autres bandes de pression afin d'obtenir une pression sensiblement égale sur toute la largeur de fond.
- Dispositif de dépôt selon l'une des revendications précédentes, caractérisé en ce que les bandes de pression (10, 11; 7, 8; 23, 24; 16, 18) présentent une élasticité suffisante pour s'appliquer avec une pression sensiblement égale sur les zones de fond d'un nombre de couches inégale.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3934879 | 1989-10-19 | ||
DE3934879 | 1989-10-19 | ||
DE4002156A DE4002156A1 (de) | 1989-10-19 | 1990-01-25 | Ablegevorrichtung fuer mit geklebten boeden versehene saecke |
DE4002156 | 1990-01-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0423481A1 EP0423481A1 (fr) | 1991-04-24 |
EP0423481B1 true EP0423481B1 (fr) | 1994-04-13 |
Family
ID=25886259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90117412A Expired - Lifetime EP0423481B1 (fr) | 1989-10-19 | 1990-09-10 | Dispositif pour déposer des sacs avec fond collé |
Country Status (8)
Country | Link |
---|---|
US (1) | US5131973A (fr) |
EP (1) | EP0423481B1 (fr) |
JP (1) | JP3103585B2 (fr) |
BR (1) | BR9005246A (fr) |
CA (1) | CA2026859C (fr) |
DE (2) | DE4002156A1 (fr) |
ES (1) | ES2051426T3 (fr) |
RU (1) | RU2018450C1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2714328B1 (fr) * | 1993-12-24 | 1996-02-16 | Picardie Lainiere | Presse a contrecoller |
JPH0741996U (ja) * | 1993-12-28 | 1995-07-21 | 東日本旅客鉄道株式会社 | 端子板および端子板に取付ける保安器 |
DE19739042A1 (de) * | 1997-09-05 | 1999-03-11 | Kannegiesser H Gmbh Co | Verfahren und Vorrichtung zum Verbinden flexibler Flächengebilde |
DE10054254A1 (de) * | 2000-11-02 | 2002-05-16 | Windmoeller & Hoelscher | Vorrichtung zum Pressen der mit Klebstoff verklebten Bereiche kontinuierlich geförderter flacher Gegenstände |
JP2003102770A (ja) * | 2001-09-28 | 2003-04-08 | Johnson & Johnson Kk | シール装置 |
CA2495331C (fr) * | 2002-08-20 | 2010-03-23 | Ferag Ag | Dispositif pour travailler sur des objets plats, en particulier pour emballer des produits imprimes |
DE10337216A1 (de) * | 2003-08-13 | 2005-03-17 | Windmöller & Hölscher Kg | Verpressvorrichtung für mit geklebten Böden versehene Säcke |
RU2374152C2 (ru) * | 2004-06-02 | 2009-11-27 | Фераг Аг | Способ и устройство для упаковки плоских объектов |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE313866C (fr) * | 1900-01-01 | |||
DE211597C (fr) * | 1900-01-01 | |||
DE1066854B (de) * | 1959-10-08 | Erwin Behn Verpackungsbedarf G.m.b.H., Krefeld | Verfahren zum Trocknen von beleimten Kreuzbodensäcken aus Papier od. ä. Stoff | |
US1676005A (en) * | 1928-07-03 | Gumming machine | ||
DE442805C (de) * | 1924-06-16 | 1927-04-08 | Spicers Ltd | Maschine zum Gummieren von faecherartig ausgebreitet zwischen Foerderbaendern dem Klebstoffzubringer zugefuehrten und an der Trockenvorrichtung vorbeizufuehrenden Briefumschlaegen |
DE511159C (de) * | 1925-11-07 | 1930-10-27 | Alfred Winkler | Vorrichtung zum Trocknen von geklebten Flachbeuteln |
CH138330A (de) * | 1928-03-17 | 1930-02-28 | Hesser Ag Maschf | Einrichtung zum fortlaufenden Trocknen von auf eine Papierbahn aufgebrachten Lackstellen, insbesondere für die Herstellung von Fensterbriefumschlägen. |
DE530526C (de) | 1930-03-23 | 1931-07-30 | Windmoeller & Hoelscher G M B | Ablegevorrichtung an Papiersackmaschinen |
US2032503A (en) * | 1932-05-02 | 1936-03-03 | John A Rosmait | Process and apparatus for sealing paper bags |
US2119951A (en) * | 1936-02-20 | 1938-06-07 | Dunnebier Max | Process and apparatus for the manufacture of envelopes, bags, and similar articles |
US2242799A (en) * | 1936-09-24 | 1941-05-20 | Edmund B Moore | Heat sealing envelope machine |
GB762264A (en) * | 1954-11-16 | 1956-11-28 | Alfred Windmoller | A method of, and apparatus for, making bags from tubing of thermoplastic or thermoplastic-coated material |
US3107984A (en) * | 1961-04-04 | 1963-10-22 | Smithe Machine Co Inc F L | High speed dryer |
DE1298873B (de) | 1967-05-22 | 1969-07-03 | Miag Muehlenbau & Ind Gmbh | Anlage zum Herstellen von Saecken |
US4488928A (en) * | 1983-05-16 | 1984-12-18 | Kimberly-Clark Corporation | Method and apparatus for forming soft, bulky absorbent webs and resulting product |
-
1990
- 1990-01-25 DE DE4002156A patent/DE4002156A1/de not_active Withdrawn
- 1990-09-10 DE DE59005347T patent/DE59005347D1/de not_active Expired - Lifetime
- 1990-09-10 EP EP90117412A patent/EP0423481B1/fr not_active Expired - Lifetime
- 1990-09-10 ES ES90117412T patent/ES2051426T3/es not_active Expired - Lifetime
- 1990-10-03 CA CA002026859A patent/CA2026859C/fr not_active Expired - Lifetime
- 1990-10-09 JP JP02272066A patent/JP3103585B2/ja not_active Expired - Lifetime
- 1990-10-18 BR BR909005246A patent/BR9005246A/pt not_active IP Right Cessation
- 1990-10-18 RU SU904831259A patent/RU2018450C1/ru active
- 1990-10-19 US US07/599,798 patent/US5131973A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH03164235A (ja) | 1991-07-16 |
DE4002156A1 (de) | 1991-05-02 |
BR9005246A (pt) | 1991-09-17 |
CA2026859A1 (fr) | 1991-04-20 |
EP0423481A1 (fr) | 1991-04-24 |
RU2018450C1 (ru) | 1994-08-30 |
JP3103585B2 (ja) | 2000-10-30 |
DE59005347D1 (de) | 1994-05-19 |
US5131973A (en) | 1992-07-21 |
ES2051426T3 (es) | 1994-06-16 |
CA2026859C (fr) | 1995-03-28 |
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