WO2016005284A1 - Verfahren und vorrichtung zum herstellen von säcken oder beuteln sowie säcke oder beutel - Google Patents
Verfahren und vorrichtung zum herstellen von säcken oder beuteln sowie säcke oder beutel Download PDFInfo
- Publication number
- WO2016005284A1 WO2016005284A1 PCT/EP2015/065213 EP2015065213W WO2016005284A1 WO 2016005284 A1 WO2016005284 A1 WO 2016005284A1 EP 2015065213 W EP2015065213 W EP 2015065213W WO 2016005284 A1 WO2016005284 A1 WO 2016005284A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vents
- flat
- tubular web
- bags
- sacks
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/02—Means for moving the cutting member into its operative position for cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/24—Perforating by needles or pins
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/01—Ventilation or drainage of bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
-
- 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
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
-
- 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
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
- B31B2150/0014—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom having their openings facing transversally to the direction of movement
-
- 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
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
- B31B2150/0016—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom made from already formed bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
-
- 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
- B31B2170/00—Construction of flexible containers
- B31B2170/20—Construction of flexible containers having multi-layered walls, e.g. laminated or lined
-
- 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
- B31B70/006—Controlling; Regulating; Measuring; Safety measures
-
- 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
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/146—Cutting, e.g. perforating, punching, slitting or trimming using tools mounted on a drum
Definitions
- the invention relates to a method for producing sacks or bags according to the preamble of patent claim 1, an apparatus for producing sacks or bags according to the preamble of claim 9 and a bag or bag according to the preamble of claim 20.
- Vents are characterized by the fact that the air from the bag interior can penetrate to the outside. At the same time the vents are small enough so that no moisture can enter from outside into the bag. This is usually the case when the vents are smaller than 0.8 mm in diameter.
- the Vent holes are usually introduced as a surface perforation the flat or tubular web or sections thereof.
- Microperforations for example with a density of 13 vents per square centimeter (cm 3 ), and nanoperforations, for example with a density of 64 vents per square centimeter (cm 3 ), can often be distinguished from each other.
- the perforations may be formed with substantially conical needles or with substantially cylindrical needles.
- a bag or a bag comprises as essential components a front wall, a rear wall, and one or two molded bottoms, wherein in the case of two molded bottoms of a bottom of the bag usually comprises a valve to fill the bag over it can.
- areas of at least one folded edge, in particular areas of the subsequent floors, that is to be molded are provided with reduced-diameter ventilation openings.
- Reduced here is compared to the diameters of the ventilation holes in the sack front wall and / or The diameter of the vent openings in the bag front wall and / or in the sack rear wall is less than 800 micrometers ( ⁇ ), in particular less than 100 micrometers ( ⁇ ), preferably less than 50 micrometers ( ⁇ )
- the areas of the front and / or rear wall adjoining the floor may also be provided with reduced diameter vent openings .
- the transition area from a floor to the adjoining front and / or rear wall may have reduced diameter vent openings This transition is usually defined by the fold edge present there.
- the areas of the folding edges that connect the bag front wall and the bag rear wall with each other can be provided with vents with reduced diameter.
- the invention is based on the finding that the tissue is significantly weakened by the introduction of the vent holes, so that the nominal tear strength of the fabric is reduced. This weakening is further reinforced at the folded edges, in particular at the folded edges of the bottom. Such fold edges are often unavoidable. In particular, when forming cross or block bottom bags such fold edges are generated. The laying flat of a hose leads to folded edges, which represent weak points. The strength of the bags can be significantly increased by the above-described inventive measure.
- the strength of the sack in particular in the region of the folded edges, can be increased particularly strongly.
- the disadvantage of the conventional manufacturing method is that the vents facilitate a penetration of the thermal energy to the tissue, so that it loses its strength in particular. This applies in particular when using an air flow as an energy source, since this is additionally injected into the vents.
- the flat or tubular web seen in the transport direction (x) of the flat or tubular web at least 0.3 cm, in particular at least 0.5 cm in front and behind later be formed fold edges of the subsequent floors with vents with reduced diameter.
- the later bag receives as many vents as possible, so that a high venting performance is achieved, which is particularly advantageous when filling with a product-air mixture.
- an adaptation to the bag length and / or the floor size is required.
- the ventilation openings are produced with a needle roller.
- This can roll on the flat or tubular web or sections thereof.
- the needle roller can be removed from the flat or tubular web.
- a rolling needle roller is a very low-wear way to create vents.
- it is equally effective if, instead of moving the needle roller, the flat or tubular web moves toward or away from the needle roller becomes. It depends on a relative movement of the needle roller and the flat or tubular web.
- the needle roller for the regions may also be provided with smaller needles or recesses in the needle stock. It is advantageous that a mechanism can be saved. This variant is advantageous if a rare or no change in the bag size (bag length) occurs. If a change in the bag size is desired, the needle roller is usually also replaced.
- a synchronization of the introduction of vents with a reduced diameter and the print image, which is often applied to the flat or tubular web prior to bag production is provided.
- at least one sensor element is provided, which scans the printed image or parts thereof or other elements characterizing the position of the printed image on the tubular web.
- the signal is fed to a control device, which controls the perforation tool in such a way that the vents of reduced diameter assume a fixed position relative to the printed image. This position is often determined by the fact that the subsequent soil occupies a defined position relative to the printed image.
- FIG. 1 schematic diagram of a device for generating
- FIG. 2 variant of the device according to FIG. 1
- FIG. 1 shows a device 100 for providing a tubular web 101 with ventilation openings, which are not visible in the view of FIG.
- the device 100 is integrated, for example, in a device for producing sacks from a roll with a tubular web.
- the installation location of the device is preferably between the unwinding device and the device for separating the tubular web into pieces of hose.
- the transport direction is the direction in which the longitudinal axis of the hose is directed.
- the tube web 101 is guided over a rotatably mounted in the machine frame 102 transport roller 103, which is preferably covered with an elastic material.
- a needle roller 104 is provided on its outer circumferential surface with a large number of needles 105, so that the tube web 101, can be provided with vents almost in its full width.
- the areas near the folding edges are preferably recessed in order not to weaken these weaknesses additionally by the needling.
- the needle roller 104 is rotatably mounted in at least one carriage 106, which is displaceable along the frame-fixed rails 107 relative to the tube web 101.
- the first end 109 of a connecting rod 108 is rotatably mounted on the carriage, the second end 1 10 rotatably with a Handrail 1 1 1 is connected.
- the latter is in turn rotatably connected to a frame-fixed counter bearing 1 12.
- a roller 1 15 is rotatably mounted, which is pressed against the cam roller 1 14 with a pneumatic or hydraulic cylinder 1 13 which is pivotally connected to the machine frame 102.
- the cam roller 1 14 is rotated by a rotary drive, not shown in rotation. Now, if the cam 1 16 of the cam roller 1 14 hits the roller 1 15, so this is pushed back against the force of the cylinder 1 13. Due to the kinematics of the carriage 106 and thus the needle roller 104 is now removed from the tube web. Depending on the height of the cam while the needles 105 can be completely removed from the tube web 101, so that now no vent holes arise.
- the cam can be made shorter or longer in the circumferential direction of the cam roller 14.
- the cam roller can also be driven non-uniformly.
- the largest distance of the cam to the fulcrum of the Nußelrolle 1 14 determines whether and how deep the needles 105 still penetrate into the tube web 101 and thus, to what extent the diameter of the vent holes is reduced compared to the original diameter.
- the cam roller 1 14 is eccentrically mounted in a disc 120, which in turn is rotatable relative to the machine frame. By a rotation of the disc 120 can be adjusted via the already described operative connection of the cam roller with the needle roller, the basic position of the needle roller to the tube web and thus the basic diameter of the vents.
- the diameter of the ventilation openings in the tubular web can be varied such that the areas of the later folded edges are damaged as little as possible, so that the durability of the later manufactured from the sections of the tube web bags is improved.
- FIG. 2 now shows a variant of the device according to FIG. 1.
- the needle roller 104 is not mounted in a rail movable on rails, but rotatably mounted in a pivot arm 130.
- This pivot arm is pivotally connected via a bearing 131 to the machine frame. All other device components shown in FIG. 2 correspond to those of FIG. 1.
- a further, not shown variant is based on the device according to FIG 2. It is provided that the pivot arm 130 is moved directly from a drive without the interposition of kinematics. A position-controlled drive can provide a sufficiently large force to create vents.
- the transport roller 103 can be moved.
- the same device components are used in the same functional context, as described in connection with Figures 1 and 2 with respect to the needle roller.
- FIG. 3 shows a bag 300 according to the invention.
- This comprises a fabric of polyolefinic threads or narrow strips which has been stretched before weaving. Such a fabric is characterized by a high tensile strength in all load directions.
- Preferred polyolefin for this application is polypropylene.
- the fabric is additionally provided with a coating which serves different purposes. The role of the coating for producing a bag will be described with reference to FIG.
- the coating which is produced by applying a liquefied plastic on a flat or tubular web of fabric, serves in addition to the better printability of the web and the later moisture protection of the product.
- the coating usually comprises polypropylene or polyethylene.
- vent holes 302 are introduced into the bag front wall 301 and / or in the non-visible sack rear wall, which are shown exaggerated for clarity. In practice, these are much smaller openings, which are present in large numbers.
- the bag 300 comprises at both ends in each case a bottom 303, 304, one of which is equipped with a filling valve, which, however, is not shown.
- Each bottom is preferably of the type cross bottom and is covered with a cover sheet 305. It can be seen that the bottoms are not in the same or in a parallel plane of the bag front wall 301, but for example perpendicular thereto.
- the transition is formed by a folded edge over which, however, the ventilation openings can extend. In a filled bag, these folded edges are no longer pronounced, but represent a weak point during the filling process.
- a strong influence on the stability of the bag 300 has the folded edges 306, which mark the transition from the bag front wall or bag back wall to the ground in the finished bag. Between the two folded edges 306, a bottom cover sheet is arranged, which was preferably secured by hot air sealing. It can be seen from the two bottoms that the areas A and B are kept free of ventilation openings in front of and behind the folding edges 306, the areas A and B advantageously have a width (seen in the tube longitudinal direction) of at least 0.3 cm and preferably at least 0.5 cm up. In this way, the folded edges are as little as possible loaded, so that their stability is as large as possible. It can also be seen from the bottom 303 that below the bottom cover sheet 305 vent openings can definitely be arranged without the stability of the bags being reduced.
- one of Be provided ventilation openings freely held area may be provided adjacent to the bag longitudinal edges 307, which generally extend parallel to the main direction of the bag 300. These areas may be provided on the bag front wall 301 and / or on the non-visible sack rear wall.
- the width C of this area, which is free of vents, is again preferably at least 0.3 cm, in particular at least 0.5 cm.
- FIG. 4 illustrates in its parts a to d the method for producing a bag. It can be seen which areas of the later bag are provided with vent holes with a reduced diameter.
- the part 4a) shows a tube section 400, whose front wall 401 can be seen and which is already provided with vent holes 402.
- the dotted lines 403 represent the later folding edges 430 of the floor and are accordingly not provided with ventilation holes.
- part 4b) it can now be seen that parts of the front wall 401 has been knocked back at their ends, resulting in bottom rectangles 410 and triangular pockets 41 1.
- parts of the rear wall 412 can now be seen.
- the tabs 421 of the front wall and 422 of the rear wall, each located between the folding edges 403 and the end of the piece of tubing, have now been folded back to close the bottom.
- a bottom cover sheet 431 has been attached to the closed trays by hot air sealing.
- the folding edges 430 would be particularly damaged if the hot air could penetrate into the tissue due to the vents and could damage the tissue at this point, for example by the filling and transport of the filled sack. This is avoided by providing vents of reduced diameter relative to the vents in the front and / or rear walls 401, 412.
- FIG. 5 now schematically shows an overall machine 501 for producing sacks comprising a coated fabric of stretched polyolefinic material.
- the tube web 502 is fed to the overall machine 501. This is done advantageously by unwinding the one Winding 503 forming fabric tube in a unwinding device 504. Subsequently, the tube 502 can experience the so-called opening in the opening station 505.
- the fabric tube is guided around an inner tool, which separates the two layers from each other, so that the layers, if they were glued together in one of the manufacturing steps of the hose, separate. Only with separate layers can it be ensured that the following production steps can be carried out properly. Afterwards, the separate material layers of the hose are put back on top of each other.
- the fabric tube is then fed to the cross cutter 506, which separates the fabric tube into individual pieces of hose.
- the web cutting station is preceded by a web storage, not shown, which allows to withdraw the tubular web from the unwinding device at a uniform speed, but advance or-pull in the cross-cutting station intermittently.
- Such track storage are known in the form of dancers.
- both ends of each tube piece are opened and the so-called ground rectangles are laid.
- a valve is placed on one of the two open ends and fastened.
- the open bottoms are now closed in the bottom closure station 510, with two tabs placed one upon the other and permanently sealed together by hot air sealing get connected.
- the conclusion of the actual Sackherstellreaes forms the application of a ground cover sheet on the floors in the cover sheet 51 1.
- the cover sheets can also be welded.
- the finished bags are then placed on the bag stack 512 and transported away from there on unspecified manner.
- a device 520 for providing the tubular web with ventilation openings can advantageously be integrated into the overall machine 501 behind the unwinding device 504 and before the cross-cutting device 506.
- the device 520 can be provided as an optional unit which can operate independently of the overall machine and need not be connected to it. There must be only a sufficiently large amount of space available.
- a device for providing pieces of hose with ventilation openings can also take place in or after the transfer station 507.
- a needle roller may be provided, which extends in the axial direction between the folded edges 403 and whose axis of rotation is parallel to the tube longitudinal axes. This is a particularly simple variant of a device according to the invention, since here the distance of the needle roller to the tube pieces does not have to be changed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Making Paper Articles (AREA)
- Bag Frames (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15734349.2A EP3177442B1 (de) | 2014-07-07 | 2015-07-03 | Verfahren und vorrichtung zum herstellen von säcken oder beuteln sowie säcke oder beutel |
ES15734349.2T ES2690841T3 (es) | 2014-07-07 | 2015-07-03 | Procedimiento y dispositivo para la producción de sacos o bolsas, así como sacos o bolsas |
BR112016027688-4A BR112016027688B1 (pt) | 2014-07-07 | 2015-07-03 | Processo e dispositivo para produção de sacos ou sacolas com aberturas de ventilação e saco ou sacola com aberturas de ventilação |
CN201580037103.8A CN107073734B (zh) | 2014-07-07 | 2015-07-03 | 用于制造口袋或囊袋的方法和装置以及口袋或囊袋 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014213178 | 2014-07-07 | ||
DEDE102014213178.2 | 2014-07-07 | ||
DE102014213381 | 2014-07-09 | ||
DEDE102014213381.5 | 2014-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016005284A1 true WO2016005284A1 (de) | 2016-01-14 |
Family
ID=53485262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/065213 WO2016005284A1 (de) | 2014-07-07 | 2015-07-03 | Verfahren und vorrichtung zum herstellen von säcken oder beuteln sowie säcke oder beutel |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3177442B1 (de) |
CN (1) | CN107073734B (de) |
BR (1) | BR112016027688B1 (de) |
DE (1) | DE202015002947U1 (de) |
ES (1) | ES2690841T3 (de) |
TR (1) | TR201815545T4 (de) |
WO (1) | WO2016005284A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202015002947U1 (de) * | 2014-07-07 | 2015-06-10 | Windmöller & Hölscher Kg | Vorrichtung zum Herstellen von Säcken oder Beuteln sowie Säcke oder Beutel |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4167131A (en) * | 1978-05-18 | 1979-09-11 | Union Camp Corporation | Skip perforator |
EP0776741A1 (de) * | 1995-11-28 | 1997-06-04 | WindmÀ¶ller & Hölscher | Nadelwalzenordnung mit mehreren Nadelwalzen zur Perforierung einer durchlaufenden Materialbahn |
DE10318959A1 (de) * | 2003-04-26 | 2004-12-02 | Windmöller & Hölscher Kg | Vorrichtung zur Perforation einer durchlaufenden Materialbahn |
US20070087096A1 (en) * | 2004-05-27 | 2007-04-19 | Nazir Mir | Packaging material and method for microwave and steam cooking of food products |
WO2010060444A1 (en) * | 2008-11-26 | 2010-06-03 | Karatzis S.A. | Packaging bag |
WO2010141467A1 (en) * | 2009-06-01 | 2010-12-09 | Kraft Foods Global Brands Llc | Vented package |
DE102009036556A1 (de) * | 2009-08-10 | 2011-02-17 | Windmöller & Hölscher Kg | Verfahren und Vorrichtung zur Herstellung eines Sacks oder eines Beutels mit Vliesmaterial sowie Sack oder Beutel, welcher Vliesmaterial umfasst |
DE202015002947U1 (de) * | 2014-07-07 | 2015-06-10 | Windmöller & Hölscher Kg | Vorrichtung zum Herstellen von Säcken oder Beuteln sowie Säcke oder Beutel |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6045838A (en) * | 1998-08-10 | 2000-04-04 | Davis; Harold L. | Grape handling and storage bag |
JP2003011988A (ja) * | 2001-06-28 | 2003-01-15 | Shinano Baiyodo Kk | 上面通気性プラスチック重包装袋 |
CN203111759U (zh) * | 2013-03-07 | 2013-08-07 | 国家农产品保鲜工程技术研究中心(天津) | 一种蒜薹贮藏用保鲜袋 |
-
2015
- 2015-04-23 DE DE202015002947.7U patent/DE202015002947U1/de active Active
- 2015-07-03 TR TR2018/15545T patent/TR201815545T4/tr unknown
- 2015-07-03 EP EP15734349.2A patent/EP3177442B1/de active Active
- 2015-07-03 BR BR112016027688-4A patent/BR112016027688B1/pt active IP Right Grant
- 2015-07-03 WO PCT/EP2015/065213 patent/WO2016005284A1/de active Application Filing
- 2015-07-03 CN CN201580037103.8A patent/CN107073734B/zh active Active
- 2015-07-03 ES ES15734349.2T patent/ES2690841T3/es active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4167131A (en) * | 1978-05-18 | 1979-09-11 | Union Camp Corporation | Skip perforator |
EP0776741A1 (de) * | 1995-11-28 | 1997-06-04 | WindmÀ¶ller & Hölscher | Nadelwalzenordnung mit mehreren Nadelwalzen zur Perforierung einer durchlaufenden Materialbahn |
DE10318959A1 (de) * | 2003-04-26 | 2004-12-02 | Windmöller & Hölscher Kg | Vorrichtung zur Perforation einer durchlaufenden Materialbahn |
US20070087096A1 (en) * | 2004-05-27 | 2007-04-19 | Nazir Mir | Packaging material and method for microwave and steam cooking of food products |
WO2010060444A1 (en) * | 2008-11-26 | 2010-06-03 | Karatzis S.A. | Packaging bag |
WO2010141467A1 (en) * | 2009-06-01 | 2010-12-09 | Kraft Foods Global Brands Llc | Vented package |
DE102009036556A1 (de) * | 2009-08-10 | 2011-02-17 | Windmöller & Hölscher Kg | Verfahren und Vorrichtung zur Herstellung eines Sacks oder eines Beutels mit Vliesmaterial sowie Sack oder Beutel, welcher Vliesmaterial umfasst |
DE202015002947U1 (de) * | 2014-07-07 | 2015-06-10 | Windmöller & Hölscher Kg | Vorrichtung zum Herstellen von Säcken oder Beuteln sowie Säcke oder Beutel |
Also Published As
Publication number | Publication date |
---|---|
ES2690841T3 (es) | 2018-11-22 |
TR201815545T4 (tr) | 2018-11-21 |
EP3177442B1 (de) | 2018-09-19 |
CN107073734A (zh) | 2017-08-18 |
CN107073734B (zh) | 2019-11-05 |
EP3177442A1 (de) | 2017-06-14 |
BR112016027688B1 (pt) | 2021-04-06 |
DE202015002947U1 (de) | 2015-06-10 |
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