WO2002010021A2 - Verfahren und vorrichtung zum verpacken eines blockes aud einem komprimierbaren material sowie verpackter block - Google Patents
Verfahren und vorrichtung zum verpacken eines blockes aud einem komprimierbaren material sowie verpackter block Download PDFInfo
- Publication number
- WO2002010021A2 WO2002010021A2 PCT/EP2001/008971 EP0108971W WO0210021A2 WO 2002010021 A2 WO2002010021 A2 WO 2002010021A2 EP 0108971 W EP0108971 W EP 0108971W WO 0210021 A2 WO0210021 A2 WO 0210021A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- block
- film
- packaging
- film web
- packaging device
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
- B65B63/02—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for compressing or compacting articles or materials prior to wrapping or insertion in containers or receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
- B65B9/026—Enclosing successive articles, or quantities of material between opposed webs the webs forming a curtain
Definitions
- the invention relates to a method for packaging a block of a compressible material according to the preamble of claim 1 and to a corresponding device for packaging the block according to the preamble of claim 5 and the block packed with a method and device.
- Such methods and devices are used in particular for blocks of material which consist of an airlaid material and which are intended for further processing into hygiene articles.
- Such a block of material is known for example from DE 299 10 039 U1.
- This block of material consists of a paneled sheet of material that is divided and perforated into several adjacent layers of strips. The ends of the individual strip layers are sewn in a special way to form a continuous strip.
- the block of material is compressed in a certain size and pushed into a plastic bag in this compressed state.
- the material block After manual gluing of the plastic bag, the material block is relieved, whereby it expands so that it presses extensively against the inner wall of the plastic bag. In this state, the block of material has a relatively low transport volume and a high level of stability.
- Another disadvantage is that only a limited length of plastic tubing can be used, which is why it is used up in a very short time. This requires frequent interruption of the otherwise continuous packaging process.
- such a plastic cover is relatively expensive.
- this process also has a major technical disadvantage. For example, a push-in force is required which divides up on the tapered insertion tube and which pushes the hygiene articles into the tube with the larger force component and at the same time ensures the compression of the hygiene articles with the smaller force component. Larger blocks of material cannot be adequately compressed. However, an increase in the total insertion force would damage the hygiene articles.
- the invention is therefore based on the object of developing a generic method for packaging a block from a compressible material, which enables the use of large compression forces and a continuous process.
- the object of the invention is also to create a corresponding, packaged block.
- the procedural task is solved by the features of claim 1. Design options for the method result from subclaims 2 to 7.
- the invention eliminates the disadvantages of the prior art mentioned.
- the particular advantage of the invention resides in the extremely rational construction of the device, which fits very well into the preceding manufacturing process. This is primarily due to the fact that the direction in which the block of material is packaged corresponds to the previous direction of transport of the block of material. In addition, expensive and unwieldy film bags or film sleeves are not used, as is generally known, but a simple and cheap film web. This film web can be built up very well transversely to the conveying direction of the material block. As a result, two design variants can be implemented in a very simple manner, depending on the type of existing prefabrication system, by either moving the stretched film web against the standing material block or the material block against the standing film web. It is of course also possible to move the block of material and the transverse film web against each other in the same way.
- the invention comprises two embodiments.
- the film web is pulled over the block of material, and in the second embodiment, the film block is pushed through a curtain formed by the film web.
- the device for packaging a compressible block of material can be adapted in a modified form to a wide variety of production facilities. This extends the area of application of this device.
- FIG. 8 shows a schematic side view of a device according to the invention.
- FIG. 9 a top view of FIG. 8.
- the device essentially consists of a compression device 1 and a packaging device 2 for a material block 3 made of an airlaid material.
- the compression device 1 is at the end of a transport path, not shown, which is symbolized here only by an arrow.
- This compression device 1 consists of a frame 4 with a frame base 5, a plurality of frame columns 6 and an upper frame plate 7.
- a hydraulic cylinder unit 8 is anchored to the upper frame plate 7 with a cylinder 9 and a piston rod 10.
- the printing unit 11 is composed of a lower and fixed pressure plate 12 and an upper pressure plate 13 which is movable to a limited extent with the piston rod 9.
- the lower pressure plate 12 and the upper pressure plate 13 two lower angle pressure rails 14 and two upper angle pressure rails 15 are arranged in the transport direction of the material block 3, which are adapted with their respective two legs to the position and size of the four body edges of the material block 3 pointing in the transport direction.
- the two lower angular pressure rails 14 and the two upper angular pressure rails 15 are designed to be vertically movable relative to one another and to the lower pressure plate 12 and the upper pressure plate 13.
- the two lower angular pressure rails 14 are movable relative to the lower and fixed pressure plate 12 by a distance from one another, which forms a lower free space 16 in the upper position of the lower angular pressure rails 14, as shown in FIGS. 6 and 7.
- the upper angular pressure rails 15 are movable relative to the upper pressure plate 13 by a height distance which forms a maximum upper free space 17.
- the printing unit 11 is additionally equipped with a clamping device, not shown, which fixes the two lower angular pressure rails 14 relative to the two upper angular clamping rails 15 in such a way that the compressed material block 3 can be raised without being relaxed.
- This clamping device is preferably designed hydraulically.
- the packaging device 2 includes a film tensioning unit 18, a film welding unit 19 and a travel unit 20, which are arranged after the compression device 1 in this order.
- the foal tensioning unit 18 consists of a lower pivot bearing for a film roll 21 and an upper tensioning roll 22 for a film web 23, the width of which is matched to the width of the material block 3.
- the tensioning roller 22 is under such a pretension that the film web 23 can be displaced out of its vertical starting position under a horizontal load and returns to its vertical starting position when such a load is removed.
- These two pairs of rollers 24, 25 as well as the film roller 21 and the tensioning roller 22 are preferably mounted on the frame 4 of the compression device 1.
- the travel unit 20 mainly consists of a frame 26 and a travel slide 27.
- This travel slide 27 has, on its side facing the compression device 1, a lower removal gripper 28 and an upper removal gripper 29, the height of which is matched to the height of the material block 3 ,
- the upper removal gripper 29 is also designed to be vertically movable and is connected to a drive device, not shown.
- the length of the two removal grippers 28, 29 and the position and the length of the travel path of the travel carriage 27 are designed such that the two removal grippers 28, 29 engage in the one end position of the travel unit 20 in the printing unit 11 of the compression device 1 and the material block 3 in grasp its entire depth and are completely extended from the printing unit 11 in the other end position.
- the two removal grippers 28, 29 are made from a flat material and have cross-sectional dimensions that allow each to be inserted between the two adjacent angled pressure rails 14, 15.
- Both the lower removal gripper 28 and the upper removal gripper 29 carry at their respective free ends facing the film web 23 a transverse film push rod 30 which grips the film web 23 in its entire width.
- These two film push rods 30 are to compensate for the material thickness of the angular pressure rails 14, 15 each fixed by a certain amount below the lower removal gripper 28 and above the upper removal gripper 29.
- This foil welding unit 19 is equipped with two vertically displaceable welding bars 31 which span the entire width of the foil web 23 and which in their starting position are outside of the effective area of the travel unit 20 and which contact each other in their working position.
- One of the welding bars 31 is equipped with an additional separating wire which extends over the entire length of the welding bar 31 and which runs in the middle of the welding bar 31.
- the separating wire is arranged in such a plane to the heating surface of the welding bar 31 that the film web 23 is first welded and then separated within the welded surface.
- the use of other welding technologies is equally possible.
- the material block 3 is conveyed to the position shown, where it is on the two lower angle pressure rails
- the pressure unit 11 is then activated, as a result of which the two upper angle pressure rails 15 move downward and exert pressure on the material block 3 until the material block 3 is sufficiently compressed. This position can be seen from FIG. 4.
- the clamping device (not shown) is then actuated, which fix the two lower angle pressure rails 14 and the two upper angle pressure rails 15 against one another. Now the pressure unit 11 is relieved and moved apart upwards. First, the upper pressure plate 13 lifts from the two upper angle pressure rails
- the travel carriage 27 of the travel unit 20 then moves into the opened printing unit 11. 7, the lower removal gripper 28 with its film push rod 30 is pushed into the lower free space 16 and the upper removal gripper 29 with its film push rod 30 into the upper free space 17. During this displacement movement, the two film push rods 30 grip the film web 23 and pull them into the two free spaces 16 and 17 with the help of the two pairs of rollers 24, 25. Then the upper removal gripper 29 moves downward and clamps the material block 3 between the two removal grippers 28, 29. The clamping device for the lower and upper angular pressure rails 14, 15 then relaxes and releases the material block 3, so that the carriage 27 of the moving unit 20 with the partially wrapped material block 3 returns to its starting position, as shown in FIG. 3.
- the film web 23 is always kept taut by the pretensioning of the tensioning roller 22.
- the two welding bars 31 move towards one another and pull the film web 23 with them until both welding bars 31 lie on top of one another and clamp the double film web 23.
- the two superimposed foil webs 23 are welded by pressure and heat and subsequently separated by the separating wire in the middle of the weld seam.
- the material block 3 is thus completely wrapped around and welded in by a piece of film web cut out of the film web 23 and the cut film web 23 is welded again to a continuous film web 23.
- FIGS. 8 and 9 show from left to right a compression device 110, a subsequent packaging device 112 and a further, subsequent station on the right-hand side in FIGS. 8 and 9, which could be referred to as a second packaging device, here for differentiation but as a winding device 114 should be referred to.
- the compression device 110 has a narrow, relatively high tower with a rectangular base plate 116 and a total of four towering columns 118 at the four corners.
- a frame-fixed, pressure-resistant conveyor belt 120 is arranged in the lower region between the columns 118.
- This conveyor belt can be, for example, a plate belt made of articulated aluminum plates.
- the conveying direction runs from left to right in FIGS. 8 and 9, that is to say from the compression device 110 to the packaging device 112.
- the compression device 110 has an upper conveyor belt 122, which essentially corresponds to the lower conveyor belt 120, but can be moved in the vertical direction on the frame, more precisely on the columns 118 of the frame.
- guides 124, 126 are provided on the columns 118, and on both sides of the frame, i.e.
- FIGS. 8 and 9 there are vertically arranged rotatable threaded spindles 128 which are received by spindle nuts 130 which are attached to the upper conveyor belt 122 are attached.
- the threaded spindles 128 are mounted in the upper and lower connecting struts 132, 134, which in each case connect the lateral columns 118 located one behind the other in the conveying direction of the conveyor belts 120, 122 in the upper and lower regions.
- On the upper connecting struts 132 there is mounted a connecting shaft 136 running transversely to the conveying direction, which can be rotated by an electric motor 138 and is otherwise in drive engagement with the two threaded spindles 128 via an angular gear (not shown in detail).
- the rotation of the electric motor 138 thus leads to a rotation of the threaded spindles 128, which are synchronized via the connecting shaft 136, and thus to the raising and lowering of the upper, pressure-resistant conveyor belt 122.
- the packaging device 112 connects to the compression device 110.
- the packaging device also has a base plate 140 and four columns 142, 144, 146, 148 in the four corner regions of the rectangular base plate 140.
- feed devices which allow the formation of a vertical film web curtain in front of the input side with the aid of film webs fed from above and below.
- feed devices include in particular upper and lower deflection rollers 150, 152, 154, 156.
- the two film webs are drawn off from material rolls 160, 162, not shown in FIG. 8, which roll according to FIG . 9 are located to the side of the packaging device 112 and are deflected via the inclined deflection rollers 150, 152.
- the belt conveyor 164 can also be a plate belt, for example made of aluminum plates. In any case, it is designed to be pressure-resistant.
- the belt conveyor 164 cooperates with an upper belt conveyor 166 which can be lowered and raised with respect to the lower belt conveyor 164.
- the upper belt conveyor 166 is suspended by means of threaded spindles 168, 170 on the lateral upper longitudinal bars 172, 174 of the frame of the packaging device 112. Rotation of the threaded spindles 168, 170 enables the upper belt conveyor 166 to be raised and lowered.
- the upper belt conveyor 166 is set in such a way that the compression and compression obtained in the compression device 110 are also retained in the packaging device 112.
- the compression device 110 and the packaging device 112 operate as follows.
- a stack of parts to be packaged for example so-called non-woven materials for the production of diapers, sanitary napkins, etc.
- the upper belt conveyor 122 is lowered and the stack is compressed so that the air is removed from the stack and the packaging volume is reduced.
- the two belt conveyors 120, 122 are then set in motion so that the compressed stack is pushed from left to right to the input side of the packaging device 112.
- the vertical curtain which is formed by the upper and lower film webs, which were welded in a previous step approximately at a medium height between the two belt conveyors on the left and right of the curtain. Due to the compressed stack conveyed to the right in FIGS. 8 and 9, the curtain is taken from the two film webs to the right into the space between the two belt conveyors 164, 166 of the packaging device 112 and at the same time is pulled off the two supply rolls.
- the film webs tapering from above and below are gripped by upper and lower deflecting rollers 176, 178, which can be moved vertically up and down on guides 180.
- the guides 180 are located directly on the input side of the packaging device on lateral vertical supports 182. After the two film webs have been brought together from the upper and lower rolls at a medium height, they are welded to one another by a welding and cutting device, not shown in detail, and so on severed that they are connected on the one hand on the back of the expiring stack of materials and on the other hand remain connected as the curtain described. Now the next stack of materials can be pushed against the curtain.
- the film web described so far consists of a relatively high-quality material, for example 100 ⁇ m thick. It has the function of absorbing the entire restoring force of the material stacks resulting from the compression. This film web does not necessarily have to cover the entire width of the material stack. The function of the film web shown does not consist in completely covering the material stack against dust, moisture and other conti ination, but merely in absorbing the restoring force.
- the packaging of the material which is necessary for hygienic reasons, takes place according to the invention in a further station which, in the present context, follows the packaging device and is to be referred to as a winding device 114.
- the winding device 114 is only indicated schematically. It has the function of wrapping an inexpensive, thinner film material perpendicular to the film web used in the packaging station, transversely to the transport direction, around the material stack. This can be done by rotating the material stack about an axis running parallel to the conveying direction or by guiding a film web around the material stack in a satellite-like manner. Winding devices of this type are known in many embodiments and are not the subject of the present invention.
- part of the invention is the idea of packaging a hygienically packaged, compressed, essentially cuboid-shaped material stack made of resilient material by first wrapping a film web of expensive, high-tensile material around the material stack in one direction and then in the other around 90 ° to shift a cheaper, thinner, less tensile film material onto the material stack in such a way that a largely tight hygienic seal is achieved.
- a delivery table 184 Downstream of the winding device 114 there is a delivery table 184, from which the wrapped material stacks can be removed by hand or with the aid of a forklift or transferred to a conveyor (not shown).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01965163A EP1305216A2 (de) | 2000-08-02 | 2001-08-02 | Verfahren und vorrichtung zum verpacken eines blockes aus einem komprimierbaren material sowie verpackter block |
AU2001285864A AU2001285864A1 (en) | 2000-08-02 | 2001-08-02 | Method and device for packaging a block consisting of compressible material, and a packaged block |
CA002386084A CA2386084A1 (en) | 2000-08-02 | 2001-08-02 | Method for packaging a block consisting of compressible material, a device for carrying out said method and a correspondingly packaged block |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10037625 | 2000-08-02 | ||
DE10037625.8 | 2000-08-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002010021A2 true WO2002010021A2 (de) | 2002-02-07 |
WO2002010021A3 WO2002010021A3 (de) | 2002-07-25 |
Family
ID=7651058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/008971 WO2002010021A2 (de) | 2000-08-02 | 2001-08-02 | Verfahren und vorrichtung zum verpacken eines blockes aud einem komprimierbaren material sowie verpackter block |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1305216A2 (de) |
CN (1) | CN1404453A (de) |
AU (1) | AU2001285864A1 (de) |
CA (1) | CA2386084A1 (de) |
WO (1) | WO2002010021A2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1566337A1 (de) * | 2004-02-20 | 2005-08-24 | Rockwool International A/S | Vorrichtung und Verpackungsverfahren für die Verpackung von Mineralwollprodukte, und Mineralwollverpackung |
EP1619128A1 (de) | 2004-07-10 | 2006-01-25 | Kaibel & Sieber GmbH Maschinen- und Anlagenbau | Vorrichtung zum Pressen und Verpacken |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102951325B (zh) * | 2012-12-06 | 2015-06-17 | 广西京桂香料有限公司 | 桂皮压装机 |
CN104176296B (zh) * | 2014-08-11 | 2015-12-02 | 安徽省安国渔具有限公司 | 一种渔网捆扎用收紧机 |
CN107600589A (zh) * | 2017-10-27 | 2018-01-19 | 重庆恒茂包装制品有限公司 | 自动包裹机以及全自动系统 |
CN108750241B (zh) * | 2018-07-13 | 2024-01-26 | 榆林学院 | 一种沟槽凸轮垃圾压缩打包装置及方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29910039U1 (de) | 1999-04-24 | 1999-10-07 | GEVAS Verpackungsmaschinen GmbH, 33790 Halle | Materialblock aus einer abgetafelten Warenbahn |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3848398A (en) * | 1973-05-08 | 1974-11-19 | P Suhr | Apparatus for wrapping compressible articles |
ES2108860T3 (es) * | 1993-03-30 | 1998-01-01 | Procter & Gamble | Pilas enfajadas para el empaquetamiento compacto de articulos flexibles. |
DE19833795C2 (de) * | 1998-02-18 | 2001-04-19 | Tech Entwicklungen Dr Becker G | Verfahren und Einrichtung zum kontinuierlichen Verpacken von Vliesmatten |
-
2001
- 2001-08-02 AU AU2001285864A patent/AU2001285864A1/en not_active Abandoned
- 2001-08-02 WO PCT/EP2001/008971 patent/WO2002010021A2/de not_active Application Discontinuation
- 2001-08-02 EP EP01965163A patent/EP1305216A2/de not_active Withdrawn
- 2001-08-02 CA CA002386084A patent/CA2386084A1/en not_active Abandoned
- 2001-08-02 CN CN 01802281 patent/CN1404453A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29910039U1 (de) | 1999-04-24 | 1999-10-07 | GEVAS Verpackungsmaschinen GmbH, 33790 Halle | Materialblock aus einer abgetafelten Warenbahn |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1566337A1 (de) * | 2004-02-20 | 2005-08-24 | Rockwool International A/S | Vorrichtung und Verpackungsverfahren für die Verpackung von Mineralwollprodukte, und Mineralwollverpackung |
WO2005080208A1 (en) * | 2004-02-20 | 2005-09-01 | Rockwool International A/S | Apparatus and method for packaging mineral wool products and a mineral wool package |
US7823368B2 (en) | 2004-02-20 | 2010-11-02 | Rockwool International A/S | Apparatus for packaging mineral wool products |
EP1619128A1 (de) | 2004-07-10 | 2006-01-25 | Kaibel & Sieber GmbH Maschinen- und Anlagenbau | Vorrichtung zum Pressen und Verpacken |
DE102004033491A1 (de) * | 2004-07-10 | 2006-02-02 | Kaibel & Sieber Gmbh Maschinen- Und Anlagenbau | Vorrichtung zum Pressen von mindestens einem Fasermaterialkörper mit geringem Raumgewicht |
DE102004033491B4 (de) * | 2004-07-10 | 2010-01-28 | Kaibel & Sieber Gmbh Maschinen- Und Anlagenbau | Vorrichtung zum Pressen von mindestens einem Fasermaterialkörper mit geringem Raumgewicht |
Also Published As
Publication number | Publication date |
---|---|
EP1305216A2 (de) | 2003-05-02 |
CN1404453A (zh) | 2003-03-19 |
CA2386084A1 (en) | 2002-03-28 |
AU2001285864A1 (en) | 2002-02-13 |
WO2002010021A3 (de) | 2002-07-25 |
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