EP3710242A1 - Pile de sacs flexibles, procédé et machine de fabrication de ladite pile - Google Patents
Pile de sacs flexibles, procédé et machine de fabrication de ladite pileInfo
- Publication number
- EP3710242A1 EP3710242A1 EP18800172.1A EP18800172A EP3710242A1 EP 3710242 A1 EP3710242 A1 EP 3710242A1 EP 18800172 A EP18800172 A EP 18800172A EP 3710242 A1 EP3710242 A1 EP 3710242A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- bag
- layer
- stack
- bags
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B31B70/92—Delivering
- B31B70/98—Delivering in stacks or bundles
- B31B70/988—Assembling or block-forming of bags; Loading bags on a mandrel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
-
- 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
- B65D33/001—Blocks, stacks or like assemblies of bags
-
- 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
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/1691—End- or aperture-closing arrangements or devices using adhesive applied to attached closure elements
-
- 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
- B31B2150/003—Flexible containers made from sheets or blanks, e.g. from flattened tubes made from tubular sheets
-
- 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
- B31B2150/10—Flexible containers made from sheets or blanks, e.g. from flattened tubes the longitudinal axes of the containers being parallel to the direction in which the sheets or blanks are fed
-
- 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
- B31B2160/102—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents obtained from essentially rectangular sheets
-
- 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
- B31B2170/10—Construction of flexible containers interconnected
Definitions
- the invention relates to packaging bags of flexible material such as paper or plastic film, or an assembly of both, the bags being assembled as a stack. It also relates to a method and a machine provided for the manufacture of said bags and their stacking.
- Such a bag comprises a first wall and a second wall interconnected directly or by means of bellows in a longitudinal direction.
- the first wall is extended by a first leg protruding from the second wall.
- a second tab from the second end is folded, turned over and glued to the first wall to form a bottom and thus close the end of the bag.
- the second tab is also in the extension of the first wall, so that when the two tabs are folded, they are folded on the second wall, leaving free the first wall.
- a clutch bag Envelopes are also made in the same way. Subsequently, the term "pouch bag” will also refer to an envelope.
- the first tab on the second wall is expected to stick to close the bag or envelope.
- One of the techniques used consists in providing a layer of glue on the second wall and protecting it with a protective strip of silicone paper so as to be anti-adherent. In use, the protective strip is removed and the first tab is folded and applied against the adhesive layer so as to close the end of the bag or envelope.
- a technique consisting in forming a casing from a continuous sheet of roll, separating sections from this casing and closing one end of the section to form the bag.
- the hose may also be made of a plastic part, for example transparent, assembled by gluing with the paper by covering the respective edges.
- Document FR 786 579 shows several examples of this technique.
- the paper web is provided at regular intervals with transverse perforation lines.
- the hose is formed by folding each edge over the central portion and gluing together the two edges along a central junction.
- the thus formed and flattened hose passes between a pair of drive rollers which drive the hose at a constant speed.
- the hose passes between a pair of separation rollers rotating with a peripheral speed greater than that of the drive rollers before being driven to a folding device.
- One of the rollers of the pair of separation rollers is recessed over a large part of its periphery so as to come into contact with the other roller only intermittently.
- the hose is tensioned between the drive rollers and the separation rollers so as to obtain the separation of a section from the hose at the perforations, provided in such a way that the first tab is formed in the extension of the first wall towards the rear of the section and the second tab remains at the front of the casing in the extension of the second wall.
- This second leg will be found on the next section.
- the front part of the section which has just been separated is then grasped by the folding device.
- the second tab is glued and folded by the folding device to close the front portion of the section.
- the folding device brings the completed bag upright to a table on which the bags accumulate and forms a stack of free bags between them.
- the stack of bags is intended for manual use, which meets most of the demand. However, some uses require significant productivity. In the case of bags to close, provided with an adhesive protected by a peelable tape, seizure of the tape can only be manual and is delicate. In addition, it is necessary to evacuate the band which forms a waste.
- the invention aims to provide a stack of bags to close which allows productive use. It is another objective to provide a method and a machine for producing such a stack of bags.
- the subject of the invention is a stack of flexible bags, each bag having a first flexible wall extended by a first tab at a first end of the bag and a second flexible wall adjacent to the first wall and of which protrudes beyond the first leg, the cell being characterized in that it comprises connecting means between each bag, the connecting means comprising a release layer on the first wall of a first bag and a bonding layer of adhesive temporary with the release layer and which also adheres to the second wall of the bag adjacent to the first bag, the adhesive layer being able to stick the first tab on the second wall after detaching the bag from the stack.
- Such a pile of bags opens new perspectives to facilitate repetitive packaging operations.
- removal of a bag from the end of the stack makes it possible to release the layer of glue by detaching it from the release layer.
- the bag is then directly usable, without having any specific operation to do to release the layer of glue.
- the bag can be closed by applying the first tab to the glue layer.
- by pulling the bag out of the pile it causes the spacing of the first and second wall, which achieves the opening of the bag which is then ready to see the object to be packaged, possibly even before being detached from the pile.
- the glue is, for example, a pressure-sensitive acrylic glue supplied by Henkel under the name Euromelt 707 or Technomelt EM 707, or Technomelt PS 8707.
- Other glues from the same supplier are also adapted, for example Technomelt Henkel PS 578. This glue is applicable to hot between 150 and 180 ° C.
- the release layer is typically based of a silicone polymer.
- the release layer is carried by a band attached to the first wall. It is thus expected to form the release layer on a substrate which is deposited and bonded to the wall of the bag. There is thus a large choice of release layer and is placed on the surface just needed, the quality of the first wall is maintained on most of its surface.
- the release layer extends over the entire surface of the first wall. This exempts operation and device for depositing the band.
- the stack of bags comprises separators separating a predetermined number of bags.
- separators can be used as a support for easy handling of the stack.
- the adhesive layer is made with a repositionable adhesive. The bag can then be opened and closed several times by the user.
- the adhesive layer is made with a definitive glue. A security closure of the bag is thus made, the opening necessitating tearing the bag.
- the invention also relates to a bag manufacturing method for forming a stack as described above, wherein a hose is formed with a strip of flexible material, a portion of the casing is separated at the front of the casing forming a first lug at the rear of the hose portion, the first lug extending a first wall of the portion beyond the end of a second wall adjacent to the first wall, forming a bag with each portion of hose in closing the front of the hose portion, and forming a stack of bags, the first wall of a first bag being against the second wall of a second adjacent bag connected to the first bag by connecting means, characterized in that what is deposited before stacking on the first wall of the first bag a non-stick layer and a layer of adhesive on the second wall of the second bag providing a temporary connection with the release layer and thus forming the connecting means, the adhesive layer being able
- the bag is closed by gluing a second tab from the second wall to the first wall, the adhesive layer is deposited on the release layer before formation of the stack, and transfer the layer of glue on the second wall of the adjacent bag during formation of the stack.
- This configuration concerns bags whose legs are in the extension of different walls.
- the wall opposite to that extended by the second leg is the first wall which must receive the release layer.
- glue it is not possible to glue the second wall upstream of the drum, because the bags are supported by the second wall during transport. The adhesive layer would inevitably come into contact with rolls or strips used for this transport, which would achieve the bonding bags on these items and is not acceptable.
- a strip comprising a fixing layer, a substrate, the release layer and the adhesive layer is deposited on the first wall, the strip being deposited on the first wall on the side of the fixing layer.
- the release of the release layer and the adhesive layer are performed simultaneously, which allows the use of a single device for removing the release layer and the adhesive layer.
- the strip is prepared specifically for the application, by depositing on the substrate the fixing layer on one side, and the adhesive layer on the other side which carries the release layer.
- This strip is handled by anti-adhered treated rolls which come into contact with the face carrying the adhesive layer and which deposits the strip on the wall of the bag.
- the adhesion properties are chosen so that the strip remains adhered to the wall by the fixing layer and that the adhesive layer is detached from the rollers which carry it and remains on the strip.
- the adhesive layer is protected by a silicone protection sheet which makes it possible to press on the strip during removal and which is removed just after.
- a strip comprising a fixing layer, a substrate and the release layer is deposited on the first wall, and the layer of adhesive is deposited in a subsequent step on the release layer.
- the bag is closed by gluing a second tab from the first wall to the second wall, the adhesive layer is deposited on the second wall and the release layer on the first wall. wall, the layer of glue and the release layer being joined during the formation of the stack.
- This embodiment relates to pouches or envelopes.
- the release of the release layer can be done on the flexible material strip before the formation of the hose, or on the hose before the separation thereof in section or on the sections.
- the removal of the adhesive layer can be made just upstream of the folding device, by the folding device itself modified upstream or downstream of the folding.
- the adhesive layer is deposited downstream of the closure of the bottom of the bag.
- the invention also relates to a flexible bag making machine comprising a hose forming device for forming a hose from a flexible material strip, a separating device for separating a portion of the hose at the front of the hose. forming a first leg at the rear of the hose portion, the first tab extending a first wall of the portion beyond the end of a second wall adjacent to the first wall, a bottom forming device to form a bag with each portion of casing by closing the front of the casing portion, and a stacking device to form a stack of bags, the first wall of a first bag being against the second wall of a second bag adjacent, the machine being characterized in that it comprises first depositing means for depositing on the first wall of the first bag a non-stick layer and second depositing means to deposit a layer of glue on the second wall of the second bag so that the glue layer is opposite the release layer when the bags are stacked.
- Figure 1 is a perspective view of a bag stack according to a first embodiment of the invention
- Figure 2 is a view similar to Figure 1 of a stack of bags according to a second embodiment
- Figure 3 is a view of an isolated bag of the stack of Figure 1, seen from the side of the first face
- Figure 4 is a view of the bag of Figure 3, seen from the side of the second face
- Figure 5 is a schematic view of a machine for manufacturing a stack of bags according to the first embodiment of the invention
- Figure 6 is a partial sectional view of the stack of Figure 1
- Figure 7 is a view similar to Figure 5 of a machine for manufacturing a stack of bags according to the second embodiment of the invention.
- FIG. 1 A stack P of flexible bags 10 according to a first embodiment of the invention is shown in FIG. 1.
- Each bag 10 of the stack P comprises, as shown in FIGS. 3 and 4, a first flexible wall 11 extended by a first tab 13 at a first 101 of the ends of the bag 10 and a second flexible wall 12 adjacent to the first wall 11 and from which the first tab 13 extends.
- the bag 10 further comprises a second tab 14 issuing from the second wall 12 folded and glued on the first wall 11 to close the bag 10 at the second end 102, opposite to the first end 101, as shown in Figure 3.
- the battery P comprises connecting means 9 between each bag 10.
- These connecting means 9 comprise a non-stick layer 91 on the first wall 11 a first bag 10, as shown in FIG. 3, and a layer of glue 92 providing a temporary connection with the release layer 91 and which also adheres to the second wall 12 of the bag 10 adjacent to the first bag 10, as shown in FIG. 4.
- the adhesive layer 92 is able to bond the first tab 13 to the second wall 12 after detaching the bag 10 from the stack P in order to close the first end 101 of the bag 10.
- the release layer 91 is for example carried by a strip rappor tée on the first wall 11, as shown in Figure 6.
- the battery P ' comprises separators S separating a predetermined number of bags 10', as shown in FIG. 2. Each separator is fixed by gluing on one of the bags which 'surrounded.
- the adhesive layer 92 can be made with a repositionable adhesive or with a permanent glue.
- a pile making machine P of bags 10, as shown in FIG. 5, comprises, in a manner known per se, a station 4 for forming a hose 1 from a strip of a material such as blank or preprinted paper, aluminum or plastic film or the like or a mixture of these materials.
- the strip of material la is unwound from a reel on a reel, not shown. It can be printed beforehand or at the exit of the reel.
- the hose 1 is formed with or without bellows, but this feature does not affect the invention.
- the machine then comprises successively, in the conveying direction of the hose 1 indicated by the arrow F1, a pair of holding rollers 3, a pair of tearing rollers 6, a bottom forming station 7 and then a stacking station 8 for form the stack P of bags 10.
- the China further comprises first depositing means 2 for depositing the release layer 91 and second depositing means 5.
- the first depositing means 2 are for example provided for depositing a strip 93 of silicone self-adhesive paper, that is, that is to say having a fixing layer 930 which is brought into contact with the casing 1 to be deposited therein.
- glue is first deposited on the hose, then the silicone band 93 is deposited on the glued area to be glued, the non-stick face 91 remaining apparent.
- GB390455 shows an example of a method of removing a paper reinforcement on a hose which can be used here for removing the non-stick strip.
- the strip 93 comprises, for example, the attachment layer 930, a substrate 931 and the release layer 91, the strip 93 being deposited on the first wall 11 on the side of the fixing layer 930.
- the second depositing means 5 are provided for depositing a layer of adhesive 92 on the silicone strip, that is to say on the release layer 91.
- the operation of the machine is now described in outline, the detail of the manufacture of a bag 10 is already known.
- the strip of material the hose is unwound, provided with transverse perforation lines at regular intervals and then formed in casing 1.
- the casing 1 receives the adhesive layer 91 by the first depositing means 2 on a first wall 11 of the casing then is separated into sections lb at the front of the hose 1 by the combination of the action of the pairs of holding rollers 3 and tearers 6, in a manner known per se.
- the separation is carried out along the lines of perforations which have been provided so that the first flexible wall 11 of the hose 1, in the upper part, is extended by a first tab 13 at a first 101 of the ends of the bag 10 towards the rear portion of the section, and a second lug 14 extends the second wall 12, the lower portion of the casing at the second end 102 towards the front of the section.
- a layer of adhesive 92 is deposited on the release layer 91 by the second depositing means 5.
- the second tab 14 is folded over the first wall 11 and glued to close the bag 10 by the bottom forming device 7.
- the bags 10 arrive on the stacking station 8 where they are stopped in a vertical position, the first wall 11 of the bag 10 which arrives placing along the second wall 12 of the bag 10 which preceded it.
- the adhesive layer 92 carried by the release layer 91 comes into contact with the second wall 12 of the previous bag 10 and adheres to it.
- the battery P according to the invention is thus constituted.
- the bags 10 ' are of the envelope type, also called pouch, that is to say that the two tabs extend the first wall, as shown in Figure 2.
- the first wall is in the lower position, and the second wall 12' in the upper position.
- the machine as shown in FIG. 7, is modified by the insertion of an additional pair of rollers 6 'between the pairs of holding rolls 3 and tearing rollers 6, and an additional tearing step removes waste. at the first end 101 of the hose section lb to form the first tab 13 'in extension of the first wall in the lower position.
- the first depositing means 2 ' operate on the first wall, therefore in the lower position, to deposit the release layer 91, while the second depositing means 5' always act in the upper part, to deposit the layer of glue 92 on the second wall 12 '.
- the bag 10 'arrives on the stacking station the bag 10' above has its first wall 11, provided with the release layer 91, which is assembled with the adhesive layer 92 on the second wall 12 'of the bag 10 'which arrives to form the connecting means 9.
- the separators S are deposited on the bag downstream of the bottom forming device 7 by third depositing means 50.
- the invention is not limited to the embodiments which have been described by way of example.
- the second removal means could be integrated with the bottom-forming device 7 in order to deposit the layer of glue 92 at the most. later in the course of the bag 10.
- the first removal means 2 could be placed after the tearing rollers 6 or also integrated in the bottom forming device 7.
- the strip that is deposited on the first wall 11 may comprise the fixing layer 930, the substrate 931, the non-stick layer 91 and the adhesive layer 92, the strip being deposited on the first wall 11 on the side of the fixing layer.
- a protective sheet which is removed after the removal of the strip on the section of hose.
- the bags presented are flat, but they could equally well be provided with side gussets, formed during the formation of the hose.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1771221A FR3073449B1 (fr) | 2017-11-16 | 2017-11-16 | Pile de sacs flexibles, procede et machine de fabrication de ladite pile |
| PCT/EP2018/080932 WO2019096738A1 (fr) | 2017-11-16 | 2018-11-12 | Pile de sacs flexibles, procédé et machine de fabrication de ladite pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3710242A1 true EP3710242A1 (fr) | 2020-09-23 |
| EP3710242B1 EP3710242B1 (fr) | 2024-04-10 |
Family
ID=60955367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18800172.1A Active EP3710242B1 (fr) | 2017-11-16 | 2018-11-12 | Procédé et machine de fabrication de pile de sacs |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11738532B2 (fr) |
| EP (1) | EP3710242B1 (fr) |
| FR (1) | FR3073449B1 (fr) |
| WO (1) | WO2019096738A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020225675A1 (fr) * | 2019-05-03 | 2020-11-12 | Deenova S.R.L. | Emballage conçu pour soutenir au moins un produit, en particulier un produit pharmaceutique |
| DE102021102528A1 (de) * | 2021-02-03 | 2022-08-04 | Fm Marketing Gmbh | Fernsteuerungs-Verpackung und ein Verfahren zu deren Herstellung |
| US20260103311A1 (en) * | 2024-10-15 | 2026-04-16 | Patrick Molina | Food package with an auxiliary pouch for the collection of waste |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB390455A (en) | 1932-11-09 | 1933-04-06 | Holweg Const Mec | Process and apparatus for attaching patches of material to a web |
| FR786579A (fr) | 1934-06-26 | 1935-09-05 | Holweg Const Mec | Procédé et dispositifs pour la fabrication de sacs plats |
| FR1270400A (fr) * | 1960-10-13 | 1961-08-25 | Holweg Const Mec | Machine pour la fabrication en continu de sacs et sachets plats |
| US4502599A (en) * | 1984-04-02 | 1985-03-05 | Minnesota Mining And Manufacturing Company | Package and method of packaging resealable plastic bags |
| JPH0232952A (ja) * | 1988-07-18 | 1990-02-02 | Asahi Chem Ind Co Ltd | 封緘片付袋 |
| US6142302A (en) * | 1999-09-10 | 2000-11-07 | Better Bags, Inc. | Self-opening bag stack and method of producing same |
| JP2002308295A (ja) * | 2001-04-12 | 2002-10-23 | Taisei Kako Kk | 積層した舌片付き袋 |
-
2017
- 2017-11-16 FR FR1771221A patent/FR3073449B1/fr active Active
-
2018
- 2018-11-12 WO PCT/EP2018/080932 patent/WO2019096738A1/fr not_active Ceased
- 2018-11-12 US US16/763,598 patent/US11738532B2/en active Active
- 2018-11-12 EP EP18800172.1A patent/EP3710242B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019096738A1 (fr) | 2019-05-23 |
| FR3073449B1 (fr) | 2019-11-08 |
| EP3710242B1 (fr) | 2024-04-10 |
| US11738532B2 (en) | 2023-08-29 |
| US20200361171A1 (en) | 2020-11-19 |
| FR3073449A1 (fr) | 2019-05-17 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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