US20160001909A1 - Packaging machine and method for filling open bags - Google Patents
Packaging machine and method for filling open bags Download PDFInfo
- Publication number
- US20160001909A1 US20160001909A1 US14/771,128 US201414771128A US2016001909A1 US 20160001909 A1 US20160001909 A1 US 20160001909A1 US 201414771128 A US201414771128 A US 201414771128A US 2016001909 A1 US2016001909 A1 US 2016001909A1
- Authority
- US
- United States
- Prior art keywords
- bag
- open
- mouth
- filling
- seam
- 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.)
- Abandoned
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 130
- 238000005429 filling process Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 38
- 239000010410 layer Substances 0.000 claims description 26
- 239000011247 coating layer Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 description 12
- 230000008901 benefit Effects 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000013590 bulk material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/14—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for incorporating, or forming and incorporating, handles or suspension means in packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
- B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
- B29C65/224—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip being a resistive ribbon, a resistive band or a resistive strip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/347—General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients
- B29C66/3472—General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients in the plane of the joint, e.g. along the joint line in the plane of the joint or perpendicular to the joint line in the plane of the joint
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
- B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
- B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
- B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/729—Textile or other fibrous material made from plastics
- B29C66/7292—Textile or other fibrous material made from plastics coated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/81463—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/822—Transmission mechanisms
- B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8324—Joining or pressing tools pivoting around one axis
- B29C66/83241—Joining or pressing tools pivoting around one axis cooperating pivoting tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/849—Packaging machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
- B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
- B29C66/91423—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools using joining tools having different temperature zones or using several joining tools with different temperatures
-
- 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
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/02—Machines characterised by the incorporation of means for making the 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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
- B65B51/146—Closing bags
-
- 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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
-
- 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
- B65B7/00—Closing containers or receptacles after filling
- B65B7/02—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
- B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- 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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B2051/105—Heat seal temperature control
Definitions
- the present invention relates to a packaging machine and a method for filling gusseted open-mouth bags and to an open-mouth bag.
- Gusseted open-mouth bags are either fed to this packaging machine prefabricated or else the bags are manufactured in the packaging machine itself or else in a device disposed upstream of, or assigned to, the packaging machine.
- For manufacturing the open-mouth bags in particular tubular material is rolled off a roll of tubing and a section of tubular material of a predetermined length is cut off and provided with a bottom seam prior to filling the open-mouth bag through the filling end on top which is still open. After the filling process the filling end is sealed shut.
- Packaging machines which form the open-mouth bag in the machine itself and thereafter close it, are also referred to as Form-Fill-Seal machines (FFS machines).
- the tubular material employed tends to be plastic tubular sheets. Its advantage is good water tightness.
- open-mouth bags showing increased rupture strength to prevent the bag walls from tearing.
- These walls consist for example of tissue material of interwoven, frequently stretched, film strips.
- tissue bags are also called ribbon tissue bags.
- the film strips may consist of materials such as HDPE, LDPE, or PP (polypropylene) which show comparatively high strength.
- the tissue may be provided with coating on the inside and/or outside prior to manufacturing the tubular sheets, since absent coating it is not possible to ensure dustproof or airtight sealing at each single tissue mesh.
- Gusseted open-mouth bags of tubular sheet tend to be provided with corner welds for improved stacking capabilities to allow a square shape for the filled open-mouth bag.
- corner welds for improved stacking capabilities to allow a square shape for the filled open-mouth bag.
- One possible solution for providing grasping recesses is to increase the welding temperature so that not only the inner layers of the open-mouth ribbon tissue bags are connected with one another but that the ribbon tissue layers fuse with one another.
- the drawback of this solution is that these weld seams are hard and brittle. In the case of shock-like loads the weld seams may tear open and product may thus escape.
- packaging machines are provided to process different bag materials adapted to current requirements and to alternate between processing e.g. PE film and ribbon tissue.
- a packaging machine serves for filling product and in particular for filling bulk goods into gusseted, open-mouth bags.
- the packaging machine comprises at least one filling device for filling the open-mouth bags through one filling end.
- At least one closing device is provided with which the filling end can be sealed at least substantially completely tight after the filling process by means of at least one weld seam in the transverse direction.
- At least one additional welding device is provided.
- the additional welding device is suitable and configured to place in the gussets of the open-mouth bags two additional holding seam spaced apart from one another in the transverse direction. These additional holding seams serve in particular to provide a grip or grasping means for holding the filled open-mouth bags. Moreover the appearance is enhanced.
- the additional holding seams are placed approximately parallel to the weld seam.
- the additional weld seam is preferably disposed and configured so that the additional holding seams are placed approximately parallel or parallel to the weld seam.
- the additional welding device and the closing device closing the filling end are in particular disposed approximately parallel or parallel to one another.
- An angle between the weld seam and the additional holding seam is preferably less than 20° and in particular less than 10° and particularly preferably less than 5°.
- the additional holding seam is oriented transverse to a longitudinal edge of the open-mouth bag and is preferably oriented approximately perpendicular to the longitudinal edge of the open-mouth bag.
- An additional holding seam extends transverse to a longitudinal edge of the open-mouth bag and does not intersect the weld seam.
- the packaging machine according to the invention has many advantages.
- the packaging machine according to the invention is very versatile and can be used for a great variety of bag materials.
- a selection device for selecting a bag material is preferably provided. Then the additional welding device can be activated in dependence on the bag material selected. When a bag material does not require the additional welding device, selecting the respective bag material deactivates the additional welding device.
- the selection device may for example select a conventional, for example polyethylene film, bag material so as to enable conventional processing.
- the additional welding device is activated so as to place additional holding seams in the open-mouth bag gussets prior to or after sealing the filling end of the open-mouth bag. Since the closing device already seals the open-mouth bag by a weld seam to be entirely tight, the holding seams may fulfill the function of a grasping means. When placing the holding seams it is not necessary to provide not too brittle holding seams.
- the holding seams are as a rule subjected to static loads namely, as the user takes the filled open-mouth bag by the ends for example to transfer it to the shopping cart or to transport it to the place of application, there are as a rule no dynamic loads on the holding seams. It is dynamic loads which are critical in particular on brittle joints. Filled product is prevented from escaping from the interior of the open-mouth bag by the weld seam of the closing device, which may be configured for dynamic loads as well.
- the packaging machine is in particular intended for bagging bulk goods.
- the packaging machine preferably comprises a machine frame which may be designated as the sum total of all the load-bearing components of the packaging machine.
- the machine frame tends to have attached to it metal sheets or sheet-type materials constituting a housing to enclose the packaging machine versus the exterior.
- the machine frame may fulfill the function of a housing.
- the filling device is suitable and configured to fill open-mouth bags in one filling process
- the open-mouth bags comprising a bag body having two ends enclosed by a bag wall which bag body extends over a length between the two ends and has a width transverse thereto, and where one of the ends is the bottom end and the other of the ends is the filling end, and where a central section of the bag body is provided with a front and a rear bag wall, while the gussets are provided with two front and two rear bag walls each.
- the two front bag walls are in particular joined in the side regions at the gussets by way of a front corner weld seam and the two rear bag walls are joined by a rear corner weld seam to enable a square shape of the filling end of the bag body after the filling process.
- the corner weld seams extend at an angle to the longitudinal edge of the open-mouth bag in particular from a longitudinal edge to a side edge.
- the additional welding device is configured to generate a welding temperature that is at least 40 Kelvin higher in the region of the gussets than that at the welding device for welding the filling end in the region of the gussets.
- the closing device also generates a welding temperature that is preferably at least 40 Kelvin higher than in a central section of the open-mouth bag since in the region of the gussets, four layers are welded to one another and therefore more energy is required.
- the additional welding device generates a welding temperature that is in particular at least 60 Kelvin and preferably at least 80 Kelvin higher than the closing device generates in the central section of the open-mouth bag.
- the high welding temperature for generating the holding seams ensures that not only the surface layers of the bag material are fused on but for example inserted tissue layers if any are fused on as well.
- the additional welding device comprises two laterally spaced apart welding jaws and/or welding jaws.
- the welding jaws are configured separately, each generating a holding seam in the open-mouth bag gussets.
- the welding jaws of the additional welding device show varying cross sections and/or coatings over their width to generate different temperatures over the width of the welding jaws.
- the welding jaws extend transverse to the longitudinal direction of the open-mouth bag over at least part of the depth of the gussets.
- the welding jaws of the additional welding device comprise in particular a width that is less than the depth of the gussets of the open-mouth bags intended for filling. This means that as a rule the holding seams do not extend over the entire depth of the gussets. This allows to ensure that even if the open-mouth bags are slightly displaced laterally the holding seams are welded only in the region of the gussets.
- the welding jaws are designed such that the welding temperature generated in the sections lying outwardly is lower than it is in at least one section lying further inwardly. This is to ensure that in the outwardly sections the holding seam is less brittle than further inwardly. This provides an elastic region of the holding seam so as to considerably reduce the risk of the holding seam tearing open starting from the side edge of the open-mouth bag.
- the holding seam which may be brittle, can better withstand even dynamic loads and stresses e.g. in the initial moments of pulling when being gripped.
- the additional welding device comprises at least over the bag width a continuous welding strip which in the region of the gussets shows a higher electric resistance than it does in a central section between the gussets.
- the electric resistance of the welding strip across the depth of the gussets is preferably higher in an outer section than in an inner section.
- the welding strip is in particular configured such that in a central section between the gussets no weld seam or just a weak weld seam is generated while in the regions of the gussets a considerably stronger weld seam is generated which joins all of the gusset layers together.
- the fact that the electric resistance of the welding strip is lower in an outer section of the holding seam provides for enhanced elasticity of the edge of the holding seam.
- the electric resistance of the welding strip or also of the welding jaws may be adjusted by means of different cross sections and/or different coatings. For example coatings of different materials and in different thicknesses may be applied to accordingly influence the resistance of the welding jaw or of the welding strip.
- a lower resistance causes the local welding temperature to decrease so that the weld seam may be influenced accordingly.
- the welding temperature in the outer section is in particular more than 20 Kelvin and in particular more than 40 Kelvin lower than in the inner section of the holding seam.
- the welding temperature within the holding seam lies in a range in which ribbon tissue can be fused on.
- the welding jaws and the welding strip respectively may be heated periodically or continuously.
- the welding jaw may be configured as a welding block.
- At least one corner welding device is provided which is suitable and configured to place corner weld seams in the gussets at least at the filling end.
- corner weld seams only two gusset layers are joined to one another.
- a bag former is provided which is suitable and configured for manufacturing and separating open-mouth bags from a tubular sheet.
- the method according to the invention serves for filling products and in particular bulk goods into gusseted open-mouth bags, the open-mouth bags being filled by means of a filling device through a filling end. After the filling process the filling end is sealed at least substantially entirely tight by means of a weld seam in the transverse direction.
- An additional welding device inserts in the gussets of the open-mouth bags at least two additional holding seams which are laterally spaced apart in the transverse direction and oriented approximately parallel to the weld seam.
- the method according to the invention has many advantages since it provides grasping means for holding the filled open-mouth bag by the holding seams placed in the gussets.
- the optical appearance of the finished, filled open-mouth bags is also enhanced.
- the elasticity of the additional holding seams is particularly preferred for the elasticity of the additional holding seams to increase outwardly.
- the holding seam shows higher elasticity where the fingers or the hand of a user grasp the filled open-mouth bag, and thus it shows higher load resistance also to dynamic loads so that the holding seam is prevented from tearing.
- the holding seam should tear, the filled open-mouth bag remains closed as a rule.
- a selection device may be used for selecting the bag material.
- the additional welding device is activated in dependence on the bag material selected.
- the additional welding device may be activated or deactivated by way of the selection device so as to allow processing a great variety of gusseted bag types.
- the open-mouth bag comprises a bag body having two ends with the bag body extending over a length between the two ends and having a width transverse thereto.
- the bag body is enclosed by a bag wall.
- One of the ends is the bottom end or the bag bottom and the other end is the filling end.
- At least the filling end of the bag body is provided with gussets in side regions in the bag wall so that the filling end of the bag body is provided with front and rear bag walls in a central section of the bag body while the gussets in the side regions are provided with two each of front and rear bag walls.
- the bottom end is at least substantially closed and the filling end is at least substantially completely closed over the entire width by at least one weld seam in the transverse direction.
- At least the filling end is provided at least in the side regions in the gussets with at least one additional holding seam in the transverse direction oriented approximately parallel to the weld seam with which all of the two front bag walls and the two rear bag walls are connected.
- the open-mouth bag according to the invention has many advantages since other than reliable function it also provides convenient holding seams.
- This holding seam is in particular configured as a weld seam and it may also be referred to as a welded holding seam.
- the holding seams provide a convenient grip or gripping recess for the fingers to hold the bag body.
- the two front bag walls are connected with one another in the side regions by way of a front weld seam
- the two rear bag walls are connected with one another by way of a rear corner weld seam to enable a square shape of the filling end of the bag body.
- the two ends of the open-mouth bag are each provided with a corner weld seam so as to achieve a square shape of the entire filled open-mouth bag.
- the two ends are each provided with at least one additional holding seam in each of the two side regions of the gussets.
- a total of four holding seams is provided namely, one at each of the four corners of the filled open-mouth bag. Every holding seam is in particular configured as a weld seam.
- the additional holding seams preferably comprise in the transverse direction of the bag body at least two seam sections of different intensity. This means that every holding seam comprises at least two seam sections of different intensities and/or elasticities. Preferably the additional holding seam shows higher elasticity toward the side edge of the bag body. This can be realized by generating the seam section intended to be closer to the side edge of the bag body at a lower welding temperature than the seam section of the additional holding seam provided farther to the rear.
- the additional holding seam is provided closer to the filling end than is the weld seam for closing the filling end.
- the advantage of this is that the additional holding seam is provided in a region blocked off from the filled product. Then the filled product cannot escape even if the holding seam should tear.
- the additional weld seam for closing the filling end, closer to the filling end than the holding seam. This is possible in particular if the additional weld seam is located within the region blocked off by the corner weld seam and does not intersect the corner weld seam. Then even if the holding seam, which may be brittle, should tear, any product filled in the open-mouth bag cannot escape outwardly. The region of the holding seam is blocked off from the bag interior by way of the corner weld seam.
- the bag wall of the bag body consists in an outer layer, e.g. of ribbon tissue, and at least one coating layer joined thereto.
- the coating layer is disposed on the interior of the bag body.
- the coating layers of the front and rear bag walls are welded to one another by the weld seam for closing the filling mouth. In particular only the coating layers of the front and rear bag walls are welded to one another in this place.
- the ribbon tissue of each of the two front and the two rear bag walls are fused with one another by the additional holding seam at least to a considerable part to form a joint weld seam.
- the joint weld seam is preferably only provided in the region of the gussets.
- FIG. 1 a schematic side view of a packaging machine according to the invention
- FIG. 2 the additional welding device of the packaging machine according to FIG. 1 ;
- FIG. 3 a schematic side view of the closing device and the additional welding device
- FIG. 4 a schematic top view of a closed, gusseted open-mouth bag
- FIG. 5 an enlarged corner of the open-mouth bag of FIG. 4 ;
- FIG. 6 another closed open-mouth bag
- FIG. 7 the structure of a bag material
- FIG. 8 a schematic, perspective view of a filled open-mouth bag.
- the packaging machine 30 illustrated in FIG. 1 in a schematic cross section serves for filling open-mouth bags 1 with product 8 .
- This product may for example be the bulk material including particles 44 illustrated schematically near the top in the product feeder 54 . Or else it is possible to fill other product 8 such as liquid or pasty products into the bags 1 .
- the packaging machine 30 is configured as an FFS packaging machine and comprises a film reservoir 31 with at least one roll of tubing.
- the film reservoir 31 contains rolled up tubular sheet 32 that serves for manufacturing the bags 1 .
- Open-mouth bags 1 can be manufactured as needed by providing a film reservoir 31 containing one or more rolls of tubing.
- the length of the bags is in particular variably adaptable and it can readily be adapted to the currently desired filled quantity.
- the tubular sheet 32 that was unwound from the film roll of the film reservoir 31 is conveyed through the film store 33 to the interior of the packaging machine 30 and is conveyed to the corner welding device 34 .
- the corner welding device 34 can place corner welds as needed which are shown as corner weld seams 29 a for example in FIG. 4 .
- corner weld seams or corner welds 29 a give the filled open-mouth bag 1 its square shape so that the bag is readily stackable in an optically appealing way.
- the tubular sheet 32 with the corner weld seams in the gussets 20 proceeds to the bag length equalizer 36 which serves to synchronize the clocked operation of the packaging machine 30 .
- the bag length equalizer 36 allows to evenly, continuously unwind the film roll of the film reservoir 31 while allowing clocked operation for manufacturing the open-mouth bags 1 and for filling and subsequently closing the open-mouth bags 1 in the interior of the packaging machine.
- the film drive 37 serves to transport the tubular sheet 32 and it may concurrently capture travel data so that the control device 57 of the packaging machine 30 is at all times provided with information about the position of each of the tube lengths relative to the film roll.
- the tubular sheet 32 is fed to the closing device 42 where first the tubular sheet is clamped by means of the clamping mechanism 35 before (see FIG. 2 ) the welding jaws 38 produce sealing in the tubular sheet 32 for a bottom closure.
- the weld seam 5 extends in the transverse direction 24 over the width 7 of the open-mouth bag 1 .
- the selection device 58 serves to select the bag material 12 .
- the additional welding device 59 is activated or deactivated in dependence on the selection. Or else, automatic identification of the bag material 12 or external signal transmission may be provided.
- FIG. 2 is an enlarged illustration showing that a cutting knife 39 is provided to sever the tubular sheet in the region of the second end 4 of the bag being made, when the weld seam 5 has been made at the bottom end or bag bottom 3 and prior to indexing the tubular material forward.
- the bag configured as an open-mouth bag 1 is now already provided with a bag bottom 3 and at its upper end or filling end 4 it is provided with a filling mouth 11 .
- the filling mouth 11 may extend over the entire width 7 of the bag. Or else it is possible for the filling mouth 11 to virtually substantially only extend over the central section 10 between the gussets 20 if the gusset regions are welded off by way of corner weld seams 29 a , 29 b.
- weld seam 5 at the bag bottom 3 may be cooled by means of a cooling device 43 to obtain sufficient stability while providing for high throughput.
- a shuttle transporter 45 conveys the bag 1 further by means of the pivotal swing arms and a bag opener 40 opens it.
- the bag 1 is appended by the filling mouth 11 to the filling device 53 respectively its filling spout 53 and is filled with product 8 out of the product feeder 54 .
- Filling may be performed by way of a net process where a certain quantity of product is weighed before it is fed to the open-mouth bag. Other filling methods are likewise conceivable.
- the open-mouth bag 1 is conveyed via the shuttle transporter 45 to the closing device 55 which in turn is provided with a clamping mechanism 35 and welding jaws 38 .
- the filling end or second end 4 of the open-mouth bag 1 is closed by way of a weld seam 5 respectively a top seam 41 .
- the weld seam 5 in turn extends in the transverse direction 24 preferably over the entire width 7 of the bag 1 and at least over the width of the filling mouth, enabling tight sealing of the bag interior.
- the closing device 55 illustrated in FIG. 2 comprises a clamping mechanism 35 for clamping the bag wall 2 a , 2 b , and a welding device with welding jaws 38 for welding the filling mouth 11 or welding the filling end 4 after the filling process is completed.
- the welding jaws 38 which may be configured as welding strips, extend over more than the entire width 7 of the filled open-mouth bag so as to allow to close the open-mouth bag 1 continuously and completely. It is also possible to manufacture a number of adjacent or parallel weld seams.
- the additional welding device 59 comprising welding jaws 60 and 61 .
- the welding jaws 61 are disposed behind the welding jaws 60 and therefore not visible in the view of FIG. 2 .
- the welding jaws 60 and 61 are spaced apart from one another in the transverse direction 24 of the open-mouth bag 1 so that both the welding jaws 60 and the welding jaws 61 are provided in the regions 25 of the gussets 20 (see FIG. 4 ).
- the welding jaws 38 of the closing device 55 serve to seal the open-mouth bag 1 tight while the welding jaws 60 and 61 of the additional welding devices 59 serve to provide the bag ends with holding seams 22 and 23 which provide a grip 15 and grasping means at the bag ends.
- the closing device 42 is analogous in structure.
- FIG. 3 shows a simplistic front view of the closing device 55 in which the continuous welding jaw 38 and also the welding jaws 60 and 61 of the additional welding devices 59 are clearly recognizable.
- the welding jaw 38 for closing the filling end 4 of the open-mouth bag 1 extends over more than the width 7 of the open-mouth bag 1
- the welding jaws 60 and 61 are both provided within the respective regions 25 of the gussets 20 .
- the welding jaws 60 and 61 each show the same width 62 and they are divided over their width 62 in different welding sections 66 and 67 and optionally 68 .
- outer sections 66 are provided toward the outer edge, sections 67 are disposed further inwardly.
- the welding temperature obtained in the sections 67 is markedly higher than in the outer sections 66 . It is possible to subdivide the outer sections 66 further in sub-sections as is indicated in FIG. 3 to allow continuous or smooth transitions.
- the outer section 66 shows the substantial difference from the further inwardly section 67 that the welding temperature is considerably reduced in the outer section 66 . While the welding temperature provided in section 67 is particularly high so as to result in fusing all the four layers of the bag wall, the welding temperature in the outer sections 66 is considerably reduced. This results in enhanced elasticity of the weld seam at the outer end of the holding seams 22 and 23 . The enhanced elasticity of the holding seams 22 and 23 at the outer edge provides the grip 15 with strength for dynamic loads also. The risk of tearing starting from the outer edge is effectively reduced. In analogy the welding temperature in the optional section 68 may be provided lower as well.
- the welding jaws 60 and 61 each extend only inwardly of the region 25 of the gussets 20 . It is also possible to employ continuous welding strips extending over the entire width 7 of the open-mouth bag 1 . Then, suitable cross sections and/or coatings and/or materials of the welding strip 65 , which is optionally likewise continuous, take care that no weld seam is generated in the central section 10 . It is the purpose of the holding seams 22 and 23 to provide the regions blocked off by corner welds 29 a and 29 b with fusing seams which may be made brittle or even very brittle.
- FIG. 4 shows a top view of a schematically illustrated open-mouth bag 1 extending from a first end 3 to a second end 4 over a length 6 .
- the open-mouth bag 1 shows a width 7 in the transverse direction 24 .
- the first end respectively the bottom end 3 is provided with a weld seam 5 closing the bottom.
- the second end 4 is provided with a weld seam 5 configured as a top seam 41 which tightly seals the filling end 11 .
- All of the four corners of the open-mouth bag 1 are provided with corner welds 29 a , 29 b in the gussets 20 which achieve a square shape of the filled open-mouth bag 1 .
- Holding seams 22 and 23 are disposed in the regions 25 of the gussets 20 between the ends 3 , 4 of the bag and the weld seams 5 .
- the holding seams 22 and 23 extend transverse to the longitudinal direction 64 and in this case they are provided only in the region of the gussets 20 . This is why the width 62 of the holding seams 22 and 23 is less than the depth 21 of the gussets 20 .
- the holding seams 22 and 23 are oriented approximately parallel as a rule and in this case, parallel to the weld seams 5 .
- the holding seams 22 and 23 are located farther outwardly than the weld seams 5 . Due to this the weld seams 5 tightly seal the open-mouth bag 1 .
- the holding seams 22 and 23 provide grips.
- the holding seams 22 and 23 may be more brittle than the weld seams 5 . Since the holding seams 22 and 23 are located farther outwardly, the interior of the sealed open-mouth bag 1 remains sealed even if any of the holding seams 22 and 23 should tear.
- the bag body 8 comprises a longitudinal face 28 and a transverse face and is enclosed by a front bag wall 2 a and a rear bag wall 2 b (not visible in FIG. 4 ).
- the four corners of the bag body 9 are provided with grips or grasping means 15 which are formed by the holding seams 22 and 23 . While the weld seams 5 only extend through two layers at the ends 3 and 4 in the region 25 of the gussets 20 , the holding seams 22 and 23 are generated by welding temperatures which cause all the four layers of the bag wall 2 a , 2 b to join one another and in particular at least partially fuse with one another in this place.
- FIG. 5 shows an enlarged section of the top right corner of the open-mouth bag 1 from the illustration in FIG. 4 .
- the holding seam 22 only extends inside the region 25 of the gusset 20 and presently only within the region blocked off by the corner weld seam 29 a .
- the holding seam 22 is provided with a variety of welding sections 26 and 27 and optionally 27 a with the outermost section 27 near the outer wall and near the side edge 28 showing higher elasticity than the farther inwardly welding section 26 .
- the different elasticities are generated by different welding temperatures with the welding temperatures applied being lower in the region of the welding section 27 than in the region of the welding section 26 .
- the holding seam 22 represents a grip 15 at the region of the open-mouth bag 1 that is blocked off by the corner weld seams 29 a , 29 b.
- the holding seam 22 is disposed closer to the end 4 of the open-mouth bag 1 than is the weld seam 5 sealing the interior.
- FIG. 6 shows another exemplary embodiment illustrating the open-mouth bag from its rear face. This is why the illustration according to FIG. 6 shows the rear corner weld seams 29 b and the rear bag wall 2 b while the front corner weld seams 29 a are not visible.
- the open-mouth bag 1 again shows gussets 20 in the respective regions 25 and a central section 10 .
- the filled open-mouth bag 1 is sealed at the first end 3 and at the second end 4 by a weld seam 5 each.
- Holding seams 22 and 23 firmly interconnect the four layers of the bag walls 2 a , 2 b and thus provide grips at the corners of the open-mouth bag 1 .
- the holding seams 22 and 23 shown are spaced farther from the ends 3 , 4 than are the weld seams 5 sealing the interior.
- FIG. 7 shows a simplistic view of a section of the bag wall of an open-mouth bag 1 .
- the bag material 12 of the open-mouth bag 1 consists of an outer layer 14 , e.g. ribbon tissue 14 made of film strips 13 .
- An illustration, enlarged for clarity, shows between the film strips 13 free spaces which are sealed by a coating layer 19 on the inside surface 16 of the outer layer 14 respectively of the ribbon tissue.
- An open-mouth bag 1 of ribbon tissue 14 so manufactured shows high stability under load and is also suitable to be welded due to the coating layer 19 on the inside surface 16 .
- FIG. 8 shows a filled open-mouth bag 1 extending from an end 3 to an end 4 .
- the gussets 20 are folded open due to the filled product and thus they are virtually non-existent.
- the ends 3 , 4 are provided with weld seams 5 for welding the open-mouth bag 1 .
- Holding seams 22 and 23 serve to provide grips 15 at the four corners of the open-mouth bag 1 .
- the invention provides an advantageous packaging machine 30 which, e.g. by way of a selection device 58 , can select the bag material 12 for the open-mouth bags 1 to be filled.
- a selection device 58 can select the bag material 12 for the open-mouth bags 1 to be filled.
- an additional welding device 59 is activated which for example when filling product 8 into open-mouth bags of ribbon tissue 14 provides for manufacturing grips 15 or grasping means at the corners of the filled open-mouth bags 1 so as to allow convenient transport and also provide an attractive appearance since the corners do not protrude from the bag body 9 .
- the bag material 12 processed does not require the additional welding device 59 , it may be deactivated.
- the additional welding device may be activated or deactivated, if the weld seam 5 already ensures interconnection of all the four layers in the regions 25 .
- the invention provides an advantageous packaging machine and an advantageous method for filling product into open-mouth bags, and an advantageous open-mouth bag.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102013003223.7A DE102013003223A1 (de) | 2013-02-27 | 2013-02-27 | Packmaschine und Verfahren zum Füllen von Offensäcken |
DE102013003223.7 | 2013-02-27 | ||
PCT/EP2014/053775 WO2014131811A1 (de) | 2013-02-27 | 2014-02-26 | Packmaschine und verfahren zum füllen von offensäcken |
Publications (1)
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US20160001909A1 true US20160001909A1 (en) | 2016-01-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/771,128 Abandoned US20160001909A1 (en) | 2013-02-27 | 2014-02-26 | Packaging machine and method for filling open bags |
Country Status (7)
Country | Link |
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US (1) | US20160001909A1 (de) |
EP (1) | EP2961660B1 (de) |
CN (1) | CN105143053B (de) |
CA (1) | CA2902434A1 (de) |
DE (1) | DE102013003223A1 (de) |
ES (1) | ES2645523T3 (de) |
WO (1) | WO2014131811A1 (de) |
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WO2019211398A1 (de) * | 2018-05-03 | 2019-11-07 | Haver & Boecker Ohg | Vorrichtung und verfahren zum abfüllen von schüttgütern in offensäcke |
US10625890B2 (en) | 2014-09-24 | 2020-04-21 | Haver & Boecker Ohg | Device and method for filling open bags |
US11491734B2 (en) * | 2019-03-07 | 2022-11-08 | Vestel Elektronik Sanayi Ve Ticaret A.S. | Bag-sealing apparatus and method |
CN117842469A (zh) * | 2024-03-07 | 2024-04-09 | 诸城兴贸玉米开发有限公司 | 一种淀粉糖生产用封装设备 |
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Cited By (5)
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US10625890B2 (en) | 2014-09-24 | 2020-04-21 | Haver & Boecker Ohg | Device and method for filling open bags |
WO2019211398A1 (de) * | 2018-05-03 | 2019-11-07 | Haver & Boecker Ohg | Vorrichtung und verfahren zum abfüllen von schüttgütern in offensäcke |
US20210188469A1 (en) * | 2018-05-03 | 2021-06-24 | Haver & Boecker Ohg | Device and method for packaging bulk materials in open bags |
US11491734B2 (en) * | 2019-03-07 | 2022-11-08 | Vestel Elektronik Sanayi Ve Ticaret A.S. | Bag-sealing apparatus and method |
CN117842469A (zh) * | 2024-03-07 | 2024-04-09 | 诸城兴贸玉米开发有限公司 | 一种淀粉糖生产用封装设备 |
Also Published As
Publication number | Publication date |
---|---|
DE102013003223A1 (de) | 2014-08-28 |
CN105143053B (zh) | 2017-12-05 |
ES2645523T3 (es) | 2017-12-05 |
WO2014131811A1 (de) | 2014-09-04 |
EP2961660A1 (de) | 2016-01-06 |
CA2902434A1 (en) | 2014-09-04 |
EP2961660B1 (de) | 2017-08-09 |
CN105143053A (zh) | 2015-12-09 |
WO2014131811A9 (de) | 2014-10-23 |
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