EP3362276A1 - Method and machine for manufacturing a bag comprising handles - Google Patents
Method and machine for manufacturing a bag comprising handlesInfo
- Publication number
- EP3362276A1 EP3362276A1 EP16794696.1A EP16794696A EP3362276A1 EP 3362276 A1 EP3362276 A1 EP 3362276A1 EP 16794696 A EP16794696 A EP 16794696A EP 3362276 A1 EP3362276 A1 EP 3362276A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- handle
- laying
- legs
- wall
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000000151 deposition Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 230000007306 turnover Effects 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000004026 adhesive bonding Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 238000004513 sizing Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- B31B70/74—Auxiliary operations
- B31B70/86—Forming integral handles or mounting separate handles
- B31B70/864—Mounting separate handles on bags, sheets or webs
-
- 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
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
-
- 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
- B31B70/74—Auxiliary operations
- B31B70/86—Forming integral handles or mounting separate handles
- B31B70/876—Forming integral handles or mounting separate handles involving application of reinforcement strips or patches; involving reinforcements obtained by folding
-
- 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
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
- B31D1/06—Multiple-step processes for making flat articles ; Making flat articles the articles being handles
-
- 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
Definitions
- the present invention relates to a method and a machine for making bags such as square bottom bags, having flat handles made of folded, cut, glued materials.
- bags provided for customers to take their purchases.
- Such bags are sometimes made of paper, partially or totally, and have a tubular portion open at one end and closed at the other end by a bottom, for example rectangular or square. These bags are called square bottom bags. We donate some of these bags of handles so they can be easily transported.
- the handles are developed on a fixed station. During this elaboration, the legs of the handles are oriented in the direction of travel of the band. The legs are pinched between a cylinder that guides the tape and a segmented transport. The training of the handles is brutal, the handles having to pass from a very low speed to the speed of scrolling of the band very quickly. This insertion of the handles is a cause of limitation of the rate of manufacture of the bags.
- the handle is formed on a rotating drum whose periphery tangents the path of the wall.
- the drum receives along a generatrix a band of previously cut material forming a strap that maintains two points.
- the strap is retained during rotation of the drum so as to fold it close to the holding points in an oblique fold and form the legs of the handle at right angles to a crosspiece held between the two holding points.
- the legs of the handles are folded on themselves by a folding station to form a base, before being deposited and glued by the base on the wall of the bag.
- a blade carried by a folding roll marks the fold on the legs, which causes the bases to rise.
- a folding bar that moves faster than the periphery of the drum causes the bases to fold on the legs.
- Holding means temporarily fix the handle along the wall of the bag, until the user of the bag goes against these holding means to deploy the handle.
- this arrangement does not allow to lay reinforcing sheets since the space normally covered by such sheets is already occupied by the folded handle. Thus, the load admitted by such bags is limited.
- the use of the bag it acts against temporary holding means by removing the handles from one another.
- concentrated traction is exerted especially on the bonding of the base on the wall at the junction with the rest of the handle. This concentration of traction is likely to initiate a rapid tear at this level of either the wall or the bonding.
- the invention therefore aims to provide a method of manufacturing a bag with handles with or without reinforcing sheets for high speeds and a machine implementing such a method.
- the subject of the invention is a method of manufacturing a bag according to which:
- a wall of the bag is passed along a rotary mounted handle-laying drum;
- a grip is attached to the drum, the legs of the handle extending along a perimeter of the drum rearward in the direction of rotation of the drum, the legs being connected by a cross;
- the handle on the wall has the legs forward and crosses back as shown in Figure 7a.
- the legs are stuck to the wall and the sleepers are located beyond the edge of the bag.
- the laying can be done before the separation of the bags, on the inside or outside of the bag.
- the wall is previously cut transversely so that the handles are deposited over these notches, the final cut of the bag being made in the extension of the notches.
- two handle removal stations are placed side by side or longitudinally offset.
- the laying can also be done after the separation of the hose sections, before or after the formation of the bottom on the sections, and in this case typically outside thereof.
- the handle cross-member is grasped by the turning drum tangential to the periphery of the laying drum, the ends of the legs are introduced by means of a blade carried by the turning drum. in a clamp of the laying drum and releasing the cross member by bringing the handle against the periphery of the laying drum.
- the reversal is in the continuity of the rotation of the laying drum and that of the overturning drum. No sudden acceleration is imparted to the handle in this operation, which provides a significant rate.
- the cross member is moved away from the periphery of the laying drum by the turning drum. By grasping the end of the legs, the laying drum drives them past the crossbar which is held by the turning drum, so that the legs pass to the front.
- the reinforcing sheet depositing at least one reinforcing sheet by at least partially covering at least one leg before turning the handle. After turning, the reinforcing sheet will be on the side of the laying drum, then cover the leg or legs being glued to the wall. This technique is applicable for the fitting of handles both inside and outside the bags. The connection of the handle with the wall is thus reinforced.
- the speed of rotation of the laying drum is controlled during a rotation of a lathe to place the handle on velocity of the wall and at the interval separating two successive bags. This allows the process to be used to manufacture bags of variable length, not conditioned by the perimeter of the drum. In the period between two successive poses, the speed of the drum is free and can be slowed to let a longer wall length to make long bags, or accelerated to make short bags. The speed is adjusted again during the exposure period to match the speed of movement of the wall.
- the invention also relates to a bag-making machine with handles comprising means of transport for passing a wall of the bag along a rotary-mounted handle installation drum, hooking means for hanging a handle on the drum, the legs of the handle extending along a perimeter of the drum rearward in the direction of rotation of the drum, the legs being connected by a cross member, the attachment means being configured to deposit the handle on the wall; , characterized in that it comprises a turning drum for turning the handle before removing the handle on the wall and so that the legs are at the front on the laying drum.
- the turning drum is rotatable and tangential to the periphery of the laying drum and comprises a cross clamp to grip the handle by the crosspiece during its passage between the laying drum and the drum and a blade adapted to introduce the end of the legs into a leg clamp of the laying drum, the cross member being configured to release the cross member after the leg nip by the leg clamp, the machine further comprising guiding means for returning the handle against the periphery of the laying drum after the overturning drum and before the installation of the handle.
- the machine comprises a reinforcement sheet deposition station upstream of the overturning drum for depositing at least one reinforcing sheet covering at least partially at least one leg.
- the machine comprises control means for controlling the rotational speed of the laying drum during a rotation of a lathe and placing the handle at the speed of the wall and the interval separating two successive bags .
- the machine comprises a station for forming a hose placed downstream of the laying drum;
- the machine comprises a formation station for a hose placed upstream of the laying drum and a bottom formation station downstream of the laying drum;
- the machine comprises a formation station for a hose placed upstream of a bottom formation station, which is upstream of the laying drum.
- the turning station is completed or replaced by a folding station to fold and fold the legs in two parts one over the other along a fold line, the cross-section part being called strap while that the remaining part is called the base.
- the bonding of the handle on the wall is made by the bases, the crossbar being closer to the bottom.
- the turning station is dismantled or not used.
- the turning station can also be transformed into a folding station, as will be seen later.
- a guide bar is used which moves faster than the periphery of the drum to drive, fold and fold the bases on the shoulder straps.
- a reinforcing sheet laying station is also used, at least partially covering the base of at least one leg before folding the base by gluing the reinforcing sheet on the base and the wall.
- the reinforcing sheet is deposited in a position such that the reinforcing sheet is folded with the bases during the folding operation.
- Such a flap reinforces the tear resistance of the reinforcing sheet in a particularly stressed area.
- FIG. 1 shows a side view of a bag manufacturing machine according to a first embodiment of the invention
- FIG. 2 is a view similar to FIG. 1 of a machine according to a second embodiment of the invention.
- FIG. 2a is a view similar to FIG. 1 of a machine according to a third embodiment of the invention.
- FIG. 3 is a view of detail III of FIG. 1;
- Figures 4a and 7a are perspective views of the laying drum in a position respectively corresponding to that of Figures 4 and 7;
- FIG. 8 shows a side view of a bag making machine according to a fourth embodiment, by not
- FIG. 8a shows a second variant of the first and third embodiments, in which the stations are not opposite one another but offset, as in the second embodiment;
- FIGS. 9 to 1 1 are perspective views of a detail of the machine of Figure 8 according to different phases of manufacture;
- FIG. 12 is a side view of the detail of FIGS. 9 to 11 in a subsequent phase
- FIG. 13 is a perspective view of the hose having received a handle according to the fourth embodiment.
- FIG. 14 is a sectional view of the bag of FIG. 13 along plane XIV-XIV;
- FIGS. 15 and 16 are views similar to FIGS. 9 and 10, respectively, in the manufacture of a bag according to a second variant of the fourth embodiment of the invention.
- Figures 17 and 18 are similar views respectively to Figures 13 and 14 of the bag manufactured according to the method of Figures 15 and 16.
- a bag-making machine comprises, in a manner known per se, a formation station 9 of a casing 1 from a band of a flexible material such as plain or preprinted paper, aluminum or plastic film or the like or a mixture of these materials.
- the strip of material 1a is unwound from a reel on a reel, not shown. It can be printed beforehand or at the exit of the reel.
- the casing 1 is generally formed with bellows, but this feature does not affect the invention which could be implemented on bags without bellows.
- the machine then comprises successively, in the conveying direction of the casing 1, two sizing stations 2, two hand-laying stations 3 according to the invention and facing one another, a cutting station 6 , a bottom formation station 7 and then a stacking station 8.
- the document WO 2013/190208 A1 shows an example of a formation station of the bottom 7.
- the laying stations of the handles 3 comprise laying drums 30 placed next to each other. from each other to deposit handles on both sides of the casing 1, so that the handles will be outside the bag.
- the handles 4 are placed on the strip of material 1a before the formation of the casing 1.
- the machine comprises two hand laying stations 3, arranged in an offset manner both in the direction of the material web 1a and transversely to this direction.
- the handles 4 are placed on the bags already formed at the exit of the folding station 7.
- the two hand-laying stations 3 are placed downstream of the folding station 7, one facing the other.
- the handles are placed after cutting the hose sections but before the formation of the bottom.
- Figure 8a shows two staggered sizing stations each with an individual presser 3a.
- each handle 4 comprises a cross member 40 connecting two legs 41 substantially at right angles, as can be seen in FIG. see for example in Figure 9.
- Each laying drum 30 is rotated so that its peripheral speed is the same that the speed of passage of the casing 1 which passes before him at the time of removal of the handles.
- the station for placing the handles 3 comprises hooking means for hanging the handle 4 on the drum so that the legs 41 of the handle 4 extend along a perimeter of the drum 30 towards the rear in the direction of rotation. drum.
- FIG. 3 it further comprises a dispensing roller 31 for depositing on the drum 30 strips that will form the handles 4 by folding legs 41, in a manner that is not detailed here, optionally a device depositing 33 of reinforcing sheets 5, and a turning drum 37 to turn the handle before removing the handle 4 on the wall and so that the legs 41 are at the front of the laying drum.
- the turning drum 37 counter-rotatably mounted relative to the laying drum, is tangent to the periphery of the laying drum 30 and has a cross-member clamp 370 for gripping the handle by the cross member 40 as it passes between the laying drum.
- the laying station 3 further comprises guide means 38 for returning the handle against the periphery of the laying drum 30 after the turning drum 37 and before the installation of the handle 4 on the wall 1 .
- the gluing station 2 deposits glue on the wall 1 in the zones intended to receive the legs 41 of the handles 4 and the optional reinforcing sheet 5.
- a strap is deposited by the dispensing roller 31 on the laying drum 30 and held thereon by the hooking means which grips the crosspiece 40, during the formation of the handle 4.
- the parts of the strap on either side of the cross member 40 are folded in a fold at 45 ° so as to form the legs 41 at 90 ° relative to the cross 40.
- glue is deposited on the legs 41 by the device 32 and a reinforcing sheet 5 is deposited on the legs 41 of the handle 4.
- the cross member 40 reaches the level of the turning drum 37, the latter is gripped by the cross member 370 thereof, as shown in Figure 4, and released by the attachment means.
- the rotating drum 37 in rotation, carries with it the cross 40, as shown in Figure 5.
- the blade 371 then arrives at the end of the legs 41 and pushes them between jaws of the leg clamp 302. The jaws tighten the end of the legs 41, while the blade 371 is disengaged.
- the cross member 40 is then released by the cross member 370 of the turning drum 37.
- the guide means 38 obstruct the cross member 40 and forces it to come back from the leg clamp 302 which holds the legs 41, as 6 and 7.
- the optional reinforcing sheet 5 is thus placed between the periphery of the laying drum 30 and the legs 41.
- the handle 4 is completely turned over, as shown in Figure 7, and is deposited on the wall 1 which received locally glue.
- Figure 8 shows exclusively the sizing station 2 and the laying station of the handles 3, according to a fourth embodiment using a machine according to the invention.
- This embodiment differs from the three previous ones in that the laying station does not comprise a turning drum 37, but an adhesive application device 32 followed by a folding device.
- the turning drum 37 can be used by neutralizing the clamp 370, and operating the blade 371 with an offset with another clamp 301.
- the same machine can be used to implement the method described above or that which will be described below.
- the legs 41 are divided into two portions along a fold line 410, the cross-member portion 40 being designated shoulder strap 41 1 while the remaining portion is referred to as the base 412.
- Figures 9 to 12 show the drum 30 schematically.
- the laying drum 30 comprises clamps 301 for each of gripping a leg 41 of the handle 4 along the future fold lines 410 between the base 412 and the strap 41 1.
- glue is deposited on the bases 412.
- the station 3 further comprises a folding blade 34 rotatably mounted and a folding bar 35 pivotally mounted along an axis slightly off-center with respect to the axis of the drum 30.
- the function of the folding blade 34 can be achieved by the folding blade 371 of the turning roller 37.
- the folding bar 35 is movably mounted between a recoil position as shown in FIGS. and 10 and a folding position shown in Fig. 12 and dashed lines in Fig. 8.
- the folding blade 34 is configured to form the fold, which also has the effect of lifting the bases 412 after they have passed the right of way. the folding bar 35 in the retracted position, so that the bases 412 are driven by the folding bar 35 in its path to the folding position.
- the path of the folding bar 35 between these two positions is such that the folding bar 35 approaches the surface of the drum 30 as it moves from the retracted position to the folding position.
- the turning drum 37 can fulfill the function of the device 34 by using the folding blade 371 and by neutralizing the cross clamp 370.
- the folding bar 35 can also be removable, thereby converting the same machine into a machine according to the invention.
- the clamp 302 is for example removable and is replaced by the clamp 301 to adapt its position and its functionality.
- the machine further comprises a laying device 33 of reinforcing sheets 5 for depositing a reinforcing sheet 5 on each handle 4, covering the shoulder straps 41 1, as shown in FIG. 9 , between the roll of distribution 31 of the handles 4 and the deflection zone of the folding bar 35.
- the hose 1 passes between the two drums 30 for fitting the handles 4 and runs in the direction of the arrow F1, the drums 30 being rotated synchronously with the hose 1.
- Each delivery roller 31 deposits a strap to form a handle 4 on the drum 30 which then grips the handle 4 by the legs 41 with the clamps 301.
- the cross member 40 is deposited at the front with respect to the direction of rotation of the drum 30.
- the glue application device 32 deposits glue on the bases 412
- the depositing device 33 deposits the reinforcing sheet 5 on the straps 41 1 of the handle 4, as shown in Figure 9.
- the folding blade 34 lifts the bases 412, while the folding bar 35 accelerates to catch the handle 4 by driving the bases 412 with it, so as to fold them on the straps 41 1 by trapping the reinforcing sheet 5, as shown in Figure 1 1.
- the folding bar 35 stops its movement to the folding position, just before the gap 36 between the two drums 30.
- the bases 412 are placed against the shoulder straps 41 1, as shown in FIG. 412 bases and the reinforcing sheet 5 come into contact with the wall 1 on which the bonding is done by pressing, being facing a glued area 10 deposited on the hose previously by the gluing station 2.
- the clamps 301 release the legs 41 so that the handle 4 is transferred to the hose 1.
- a zone glued on the wall comes into contact with the crosspiece 40 and thus hold it against the wall, which forms holding means 42.
- the reinforcing sheet 5 ' is deposited in a position such that it covers the legs 41 on either side of the fold line 410, and therefore both on the bases 412 and on the shoulder straps 41 1, so that it is folded with the bases 412 during the operation folding.
- the rest of the process is identical to the fourth embodiment.
- the resulting bag provides a 5 'backing sheet adhered to the wall of the bag over the height of the bases 412 and a flap 50 which extends beyond the fold line 410, as shown in FIG.
- the folding of the legs 41 is performed on the dispensing roller 31 and not on the drum 30.
- This arrangement allows the handle 4 to have the opposite face once deposited on the wall 1 , in comparison with the mode shown in Figure 3.
- This variant is also applicable to all other embodiments.
- the invention is not limited to the embodiments which have just been described by way of example.
- the backing sheet 5 can be separated to apply in two pieces, one for each base. It can also extend over the entire length of the bases, even beyond or on the contrary below opposite ends to the fold line.
- the handles could be placed side-by-side on the tape before the hose was formed so that the handles would then be inside the bag.
- the machine can be adapted to receive either the overturning drum or the folding station.
- the same machine can be easily modified to change the type of bags produced.
- the machine may also comprise the periphery of the laying drum both the overturning drum and the folding device, in a manner offset by the periphery. It goes without saying that in this configuration, these two devices are not in service simultaneously.
- An inversion station may be interposed between the handgrip station and the hose formation station.
- the inversion station is used to invert the top and bottom of the band 1 a.
- the handles are found on the inside or outside of the bag.
- the handle could be transported by means of transport between the laying drum 30 and the wall 1.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1559858A FR3042436B1 (en) | 2015-10-16 | 2015-10-16 | METHOD AND MACHINE FOR MANUFACTURING A BAG COMPRISING HANDLES |
PCT/FR2016/052623 WO2017064409A1 (en) | 2015-10-16 | 2016-10-11 | Method and machine for manufacturing a bag comprising handles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3362276A1 true EP3362276A1 (en) | 2018-08-22 |
EP3362276B1 EP3362276B1 (en) | 2020-09-23 |
Family
ID=54608890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16794696.1A Active EP3362276B1 (en) | 2015-10-16 | 2016-10-11 | Method and machine for manufacturing a bag comprising handles |
Country Status (4)
Country | Link |
---|---|
US (1) | US10737455B2 (en) |
EP (1) | EP3362276B1 (en) |
FR (1) | FR3042436B1 (en) |
WO (1) | WO2017064409A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3030352B1 (en) * | 2014-12-19 | 2018-09-07 | Holweg Group | METHOD AND MACHINE FOR MANUFACTURING BAGS |
FR3039453B1 (en) * | 2015-07-31 | 2017-08-11 | Holweg Group | MACHINE AND METHOD FOR MANUFACTURING BAGS |
EP3412264B1 (en) * | 2017-06-07 | 2020-01-29 | Ontex BVBA | System and method for tearing off and rolling up a strip of absorbent fiber sheet |
CN109353075B (en) * | 2018-11-22 | 2023-07-21 | 温州临界科技有限公司 | Perforating device for handbag rope threading machine |
Family Cites Families (24)
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US2985355A (en) * | 1952-12-03 | 1961-05-23 | Robert E Read | Bags and method of making bags |
DE1532830B1 (en) * | 1965-09-23 | 1970-09-03 | Holweg Const Mec | Method and machine for the continuous production of carrier bags |
DE1611657B2 (en) * | 1967-12-07 | 1976-07-22 | Fischer & Krecke, 4800 Bielefeld | METHOD AND DEVICE FOR THE CONTINUOUS MANUFACTURING OF CARRYING BAGS WITH CARRYING HANDLES ATTACHED ON THE INSIDE |
GB1272898A (en) * | 1969-10-08 | 1972-05-03 | P & B Agencies Proprietary Ltd | Improvements in or relating to bags |
US3713940A (en) * | 1970-05-01 | 1973-01-30 | Gordon Haugh Packaging Co Ltd | Method for securing handles to sheet material |
DE4238655C2 (en) * | 1992-11-16 | 2002-10-24 | Windmoeller & Hoelscher | Process for making paper bags |
US5447486A (en) * | 1992-11-25 | 1995-09-05 | Fmc Corporation | Maintaining perforation phasing |
US5421802A (en) * | 1993-06-23 | 1995-06-06 | First Brands Corporation | Registration process |
US5421805A (en) * | 1993-10-01 | 1995-06-06 | Bancroft Bag, Inc. | Method and apparatus for producing handled bags |
US5378220A (en) * | 1993-10-26 | 1995-01-03 | Bunn; Robert W. | Method of constructing reusable yard waste container |
US5609556A (en) * | 1994-05-27 | 1997-03-11 | Fischer & Krecke Gmbh & Co. | Method and apparatus for manufacturing bags with strap-shaped carrying handles |
ES2170188T3 (en) * | 1996-09-19 | 2002-08-01 | Fischer & Krecke Gmbh & Co | PROCEDURE AND APPARATUS FOR THE MANUFACTURE OF BAGS WITH TRANSPORTATION HANDLES. |
DE19702144C2 (en) * | 1997-01-22 | 2003-03-13 | Windmoeller & Hoelscher | Method and device for producing bags with handles |
US6117058A (en) * | 1997-06-13 | 2000-09-12 | Cmd Corporation | Bag making machine |
ES2178559B1 (en) * | 2000-08-04 | 2003-09-01 | Daumar Talleres | PERFECTION OF PRODUCT PACKING MACHINES IN MESH BAGS WITH HANDLE. |
WO2004037663A2 (en) * | 2002-10-24 | 2004-05-06 | Lionel Nicholas Mantzivis | Bag with handle |
GB2405373B (en) * | 2003-08-14 | 2005-08-31 | Dempson Packaging Ltd | Method and apparatus for manufacturing handles for bags |
ITBS20050072A1 (en) * | 2005-06-14 | 2006-12-15 | D & C S R L | COMPOSITE MATERIAL, IN PARTICULAR TO CARRY OUT SHOPPING BAGS, BAGS, BAGS, CONTAINERS, BOXES AND SIMILAR FOR THE PACKAGING OR TRANSPORT OF ITEMS |
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NL2008045C2 (en) * | 2011-12-27 | 2013-07-01 | Hendrik Jan Berg | Bag with pre-applied strap handle. |
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FR2992254B1 (en) * | 2012-06-20 | 2014-08-15 | Holweg Sas | MACHINE FOR MANUFACTURING BAGS WITH FLAT BOTTOM. |
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-
2015
- 2015-10-16 FR FR1559858A patent/FR3042436B1/en not_active Expired - Fee Related
-
2016
- 2016-10-11 EP EP16794696.1A patent/EP3362276B1/en active Active
- 2016-10-11 WO PCT/FR2016/052623 patent/WO2017064409A1/en active Application Filing
- 2016-10-11 US US15/768,232 patent/US10737455B2/en active Active
Also Published As
Publication number | Publication date |
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FR3042436A1 (en) | 2017-04-21 |
US20180319115A1 (en) | 2018-11-08 |
EP3362276B1 (en) | 2020-09-23 |
US10737455B2 (en) | 2020-08-11 |
FR3042436B1 (en) | 2017-11-17 |
WO2017064409A1 (en) | 2017-04-20 |
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