WO2014044534A1 - Système d'acheminement de corps de sac - Google Patents

Système d'acheminement de corps de sac Download PDF

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Publication number
WO2014044534A1
WO2014044534A1 PCT/EP2013/068309 EP2013068309W WO2014044534A1 WO 2014044534 A1 WO2014044534 A1 WO 2014044534A1 EP 2013068309 W EP2013068309 W EP 2013068309W WO 2014044534 A1 WO2014044534 A1 WO 2014044534A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag body
transport
transport direction
air
plastic
Prior art date
Application number
PCT/EP2013/068309
Other languages
German (de)
English (en)
Inventor
Hannes Grill
Original Assignee
Starlinger & Co Gesellschaft M.B.H.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Starlinger & Co Gesellschaft M.B.H. filed Critical Starlinger & Co Gesellschaft M.B.H.
Priority to CN201380049506.5A priority Critical patent/CN104812559B/zh
Publication of WO2014044534A1 publication Critical patent/WO2014044534A1/fr
Priority to PH12015500559A priority patent/PH12015500559A1/en
Priority to IN3294DEN2015 priority patent/IN2015DN03294A/en

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
    • 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
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/04—Feeding sheets or blanks
    • 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
    • B31B2150/003—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
    • 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/003—Opening or distending 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement

Definitions

  • the invention relates to a device for conveying tubular bag body, which bag body preferably comprise a fabric made of stretched plastic tapes or a plastic film or a composite of the fabric and the film, with a transport device on which the bag body transportable with adjacent hose walls with a transport speed in a transport direction are, and with at least one arranged in the transport direction along the transport guide rail.
  • Chest bags also called cross-bottom bags, are bags of cuboidal shape which are made in bag making machines by providing tubular bag bodies whose end portions are opened and folded into cross bottoms. The bag bodies are guided lying flat when folding through the clothing plant, so that the tube walls of each tubular bag body abut each other, especially at the end portions of the tubular bag body.
  • the two tube walls of each hose body are separated at its end and separated from each other by 180 °, wherein usually one of the two tube walls is folded with the help of a spreading as a side flap on itself, creating an open bottom, in which the another hose wall forms a second side flap.
  • valve sheets can be inserted, which are formed by further folding operations into a valve, through which the bags can be filled by means of a filler neck
  • the overlapping bottom side flaps are glued or welded depending on the material Alternatively, or in addition, bottom cover sheets can be placed on the overlapping bottom side flaps and glued or welded thereto.
  • the bottom opening device with the aid of which the two tube walls are separated from each other at the end region of the tubular bag body, is designed according to this document as a pneumatic bottom opening device, in which opposite suction devices are provided with respect to the material layers to be separated, which engage the tube walls of the bag body and in the Sequence be moved apart, whereby the tube walls are separated from each other, so that a spreading tool can intervene therebetween.
  • the quality of a box bag depends essentially on the geometrically exact design of the floors. That is, the triangular corner envelopes approximate as closely as possible the shape of an isosceles triangle and the bottom side flaps must be formed so that their side edges in the state of the open bottom are parallel to a bottom center line and thus parallel to each other. Only when the bottom side flaps have these parallel to the bottom center line extending side edges, it is again possible to strike them overlapping each other parallel to the bottom center line. And only if the turning of the Bodenrawklappen done geometrically accurate, the finished sack bottom has a rectangular shape, which makes the bag well processed and stackable. Defaced floors are often leaky and lack the necessary strength.
  • the present invention is therefore based on the object to overcome the above-described disadvantages of the prior art.
  • the production of box sacks with geometrically correctly folded cross bottoms of excellent geometric quality and high machine speed is to be made possible with the invention.
  • the present invention solves this problem by further development of the device described above for conveying tubular bag body by the guide bar is equipped with a compressed air channel and the compressed air channel fed air nozzles, wherein the air nozzles are oriented so that they are substantially transversely to the transport direction of the tubular bag body generate directed airflow.
  • the compressed air duct is connected to a compressed air source.
  • the generated air flow can be between the guided over the guide rail portions of the bag body and the transport device or located between the transport device and the bag body sections pads create a negative pressure that presses the blown portions of the bag body against the transport device or against the support.
  • This fixation of the sections of the bag body transversely to the transport direction nevertheless allows the bag body to slide and take place in the transport direction over the guide strip and optionally the supports, while the tube body is transported in the transport direction.
  • a mechanically robust embodiment of the guide strip according to the invention comprises a tube, preferably with a round cross-section, in which the compressed air duct extends, wherein the air nozzles extend from the compressed air duct through the pipe wall.
  • the air nozzles In order to achieve the most uniform air flow over the length of the guide bar, it is provided to form the air nozzles as a plurality of air passage holes or as longitudinal slot dies.
  • the guide strip has a support which extends over its length and which is essentially parallel to the bag The air streams generated air nozzles is aligned.
  • the outer surfaces of the guide bar should be smooth. This applies to all parts of the guide rail, in particular the pipe and the support.
  • the generation of the air flow can lead to disturbing whistling noises.
  • whistling noises can be prevented or at least alleviated if the guide rail is equipped with an air swirling element disposed on the outside of the guide rail adjacent to the air nozzles. It is achieved a particularly good suppression of whistling when the Luftverwirbelungselement is arranged on the support.
  • the inventors have further found that whistling noises are particularly well suppressed when the air swirling element is configured as a strip of textile material, in particular a woven or nonwoven fabric, or a brush with a plurality of hairs.
  • the present invention is particularly well suited for use with tubular bag bodies of stretched plastic tape or plastic film or composites of said materials, wherein the plastic materials are selected from polyethylene, polypropylene or PET and optionally have a coating of plastic.
  • plastic materials are selected from polyethylene, polypropylene or PET and optionally have a coating of plastic.
  • Figure 1 shows two guide rails according to the invention over a transport device in cross section.
  • FIG. 3 shows a section of a first variant of the guide strip according to the invention in side view
  • FIG. 4 shows a section of a second variant of the inventive guide strip in side view.
  • Fig. 5 to Fig. 7 are schematic perspective views of the process of opening a sack bottom in a Sackkonfedictionierstrom, in which the fiction, contemporary device for conveying tubular bag body is incorporated with the guide strips according to the invention.
  • the conveyor device 1 comprises a transport device 2, which in this example is configured as a conveyor belt on which the bag bodies 10 are transported with adjoining tube walls 10a, 10b at a transport speed V (see FIG. 2) in a transport direction T (see FIG. 2) , An end region of the tube walls 10a, 10b of the bag body 10 has already been opened and is held in position by means of two guide strips 30 arranged in the transport direction T above the transport device 2 during transport of the bag body 10 on the transport device 2.
  • the two guide rails 30, 30 are arranged parallel to each other.
  • each guide strip 30 has a tube 35 in the axial direction extending compressed air channel 31 which is connected to a compressed air source, not shown. From the compressed air duct 31 fed air nozzles 32 in the form of a plurality of small through holes (see also Fig. 3) extending from the compressed air passage 31 laterally through the pipe wall through to the outside.
  • the compressed air in the compressed air channel 31 generates an outwardly from the through holes to the outside air flow L, which is directed transversely to the transport direction T.
  • Each guide rail 30 has a support 34 extending along its length, which is aligned substantially parallel to the air flow L generated by the air nozzles. Due to the flow velocity of the air flow L arises between the respective support 34th and the respective open end portions of the tube walls 10 a, 10 b, a negative pressure, which presses the end portions of the tube walls 10 a, 10 b in the direction of the support 34. The negative pressure is sufficiently high to keep the end regions of the tube walls 10a, 10b in a defined position with respect to the support 34.
  • the negative pressure is low enough so that the end regions of the tube walls 10a, 10b can slide along the supports 34 and over the outer surface of the tube 35, while the bag body 10 is transported in the transport direction T.
  • the tube walls 10a, 10b can reliably slide over the guide bar 30, the outer surfaces of the guide bar 30 are smooth.
  • the parts of the guide strip 30 may be formed of metal, eg steel, in particular spring steel, or an aluminum alloy, and / or plastic and / or ceramic.
  • the air nozzles 32 in the form of a plurality of small through-holes and longitudinal slot nozzles 37 may be formed in the tube 35, as shown in the longitudinal view of Fig. 4.
  • the guide rail 30 is provided with an air swirling element 33 arranged in the vicinity of the air nozzles 32, 37, which extends directly to the pipe 35 in the longitudinal direction of the guide rail 30 on the supports 34. It has been found that whistling noises are particularly well suppressed when the Heilverwirungsungselement 33 is configured as a strip of textile material, in particular a woven or nonwoven fabric, or as a brush with a plurality of hair.
  • the present invention is particularly well suited for use with tubular bag bodies of stretched plastic tape or plastic film or composites of said materials, wherein the plastic materials are selected from polyethylene, polypropylene or PET and optionally have a coating of plastic.
  • plastic materials are selected from polyethylene, polypropylene or PET and optionally have a coating of plastic.
  • FIGS. 5 to 7 show schematic perspective views of the process of opening a sack bottom in a bag making machine
  • the advantageous use of the device 1 according to the invention for conveying is made more tubular Sack body with the guide rails 30 according to the invention in such a system explained in more detail.
  • FIG. 5 shows a bottom opening station of the bag making machine into which the conveyor device 1 according to the invention is integrated.
  • the conveyor device 1 has a transport device 2 in the form of a conveyor belt and moves continuously at a transport speed V in a transport direction T.
  • On the transport device 2 are tubular bag bodies 10 flat with their longitudinal extent transversely to the transport direction T, wherein the tube walls 10a, 10b abut each other ,
  • the bag body 10 are secured on the conveyor belt by means not shown holding means against slipping.
  • Such retaining means include e.g. Bars of ferromagnetic material, which are placed on the bag bodies 10 and are attracted to the conveyor belt from the bottom of the conveyor belt with magnets that move together with the conveyor belt, thereby pressing the intermediate bag body 10 to the conveyor belt.
  • the conveyor belt is formed as a perforated conveyor belt, wherein from the underside of the conveyor belt, a vacuum is applied, which sucks the bag body 10 to the conveyor belt.
  • the tubular bag body 10 are made for example of fabric of stretched plastic tape.
  • the plastic tapes may comprise a polyethylene or polypropylene material or PET.
  • the fabric has a plastic coating.
  • the tubular bag body 10 may alternatively be made of plastic film or a composite of plastic fabric and plastic film.
  • the tubular bag body 10 has two opposite open end portions 10e, 10f, of which the end portion 10e is to be formed into a cross bottom.
  • the end portion 10f may also be formed into a cross bottom in the same manner as the end portion 10e to produce a box bag or box valve bag.
  • the end region 10e has been folded substantially 90 ° upwards and is in position between two guide strips 30 arranged in the transport direction T above the transport device 2 during the transport of the bag body 10 on the transport device 2 held.
  • the two guide rails 30, 30 are arranged parallel to each other.
  • FIG each guide rail 30 a extending in a tube 35 in the axial direction compressed air passage 31 which is connected to a compressed air source.
  • suction devices 13, 14, which are movable back and forth transversely to the transport direction T, the two tube walls 10a, 10b are pulled away from each other and thereby the end region 10e of the bag body 10 is opened.
  • the suction devices 13, 14 are movable in addition to their Querverfahrhus with the transport speed V in the transport direction T, so that the tube walls 10 a, 10 b are not distorted during opening.
  • the sequence is such that the two suction devices 13, 14 are brought into contact with the first tube wall 10a or the second tube wall 10b from opposite sides in the end region 10e.
  • a vacuum is switched on so that the first suction device 13 sucks in the first tube layer 10a and the second suction device 14 sucks in the first tube layer 10b.
  • the suction devices 13, 14 move synchronously with the transport device 2 at the transport speed V in the transporting direction T.
  • the two suction devices 13, 14 start to move away from one another transversely to the transport direction V, in each case pulling a hose wall 10a, 10b with them and thereby opening the end region 10e of the tubular bag body 10.
  • FIG. 5 shows the end region 10e of the tubular bag body 10 in the opened state, in which a free space 10g is formed between the tube walls 10a, 10b.
  • a free space 10g is formed between the tube walls 10a, 10b.
  • the vacuum has been switched off by the suction devices 13, 14 and the two suction devices 13, 14 have disengaged from the hose walls 10a, 10b and can therefore be moved upstream against the transport direction T to open the end of the next bag body.
  • the open end region 10e has a geometrically largely undefined shape.
  • a spreading tool 21 is inserted into the clearance 10g of the opened end portion 10e, whereby the spreading tool 21 moves in a circular arc (arrow P3) into the opened end portion 10e.
  • the sheet movement of the spreading tool 21 has a directed in the transport direction T movement component with respect to the transport speed V higher relative speed.
  • the spreading tool 21 is driven by a circulating toothed belt 25, wherein the toothed belt 25 is aligned by two toothed belt pulleys 26, 27 in the transport direction T.
  • one of the pulleys 26, 27 is connected to a controllable drive, so that synchronized with the clock in which the bag body 10 run through the bottom opening device 1, the spreading tool 21 with respect to the transport speed V can be accelerated and delayed.
  • Fig. 6 it can be seen that the arcuate movement of the spreading tool 21, after it has passed around the pulley 26, has gone into a translational movement in the transport direction T by being pulled from the lower run of the toothed belt 25. Due to the still higher relative speed with respect to the transport speed T, the spreading tool 21 moves faster than the bag body 10 and therefore runs against the inside of the tubular bag body at a front part of the opened end portion 10e, whereby the spreading tool 21 forms the front part of the end portion 10e is spread to a front corner envelope 10j having the shape of a substantially isosceles triangle.
  • Fig. 6 shows the state in which the front corner envelope 10j has been completely formed by the spreading tool 21.
  • Figs. It can also be seen in this illustration that the isosceles triangular shape of the front Eckeinschlags lOj is positioned symmetrically to a center line M of the open end region lOe. This center line M lies exactly between the two guide rails 30.
  • the spreading tool 21 forms the front triangular Eckumschlag lOj, it folds at the same time a front portion of the first tube wall 10a around the one guide bar 30 back on itself.
  • the spreading tool 21 folds a front portion of the second tube wall 10b about the other guide bar 30 substantially in its original position in the plane of the bag body 10.
  • the spreading tool 21 is moved rearwardly out of the front corner envelope 10j by relative delaying its movement relative to the transport speed T, continuing the folding of the tube walls 10a, 10b and thus forming the bottom side flaps 10u, 10t from the two tube layers 10a, 10b progresses.
  • the tip 10s of the front corner turn 10j has come to a presser 28 which initially holds the top 10s and successively the entire front corner turn 10j in the defined shape and prevents the corner turn lOj unfolded again.
  • the pressing device 28 is formed with a pressure belt, which is aligned in the transport direction T.
  • FIG. 7 shows a process state in which the spreading tool 21 has been moved in the open end region 10e of the tubular bag body 10 in the transport direction T with a reduced or negative speed V2R relative to the transport speed V, until it is against the - in the transport direction T - rear portion 10h of the open end portion 10e has accumulated, thereby spreading the rear portion 10h to a rear corner envelope 10p in the form of a substantially isosceles triangle.
  • the formation of the two bottom side flaps lOu, 10t is completed.
  • the laterally folded-over bottom side flaps 10U, 10t are fixed in a defined position by the guide strips 30, while the bag body moves in the transport direction T.
  • This fixation is generated by the air flow L, which creates a negative pressure between the supports 34 and the bottom side flaps 10u, 10t, which presses the bottom side flaps 10u, 10t against the supports 34, while the bag body 10 is transported in the transport direction T.
  • the bottom side flaps lOu, 10t remain in their fixed position until they reach the pressing device 28, where the guide strips 30 end and thus the air flow L ends.
  • the center line M of the bottom fold is protected against slipping.
  • the fixing of the opened bottom side flaps 10u, 10t and the center line M facilitates the formation of geometrically exact corner envelopes 10j, 10p by the spreading tool 21. Since the guide strips 30 extend to the pressing device 28, the bottom side flaps 10u, 10t remain fixed during the entire bottom forming process. This ensures a correct geometric design of the sack bottoms. Whistling sounds generated during the generation of the airflow L are minimized by the air swirling elements 33 and thus the noise pollution for the personnel is considerably reduced.

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  • Making Paper Articles (AREA)

Abstract

L'invention concerne un système (1) d'acheminement de corps de sac (10) en forme de tube flexible qui présentent de préférence une toile constituée de bandelettes de matière plastique orientées ou un film en matière plastique, ou un composite de ladite toile et dudit film, le système comprenant un dispositif de transport (2) sur lequel les corps de sac (10) dont les parois de tube (10a, 10b) sont superposées peuvent être transportés à une vitesse de transport (V) dans une direction de transport (T), et au moins une barre de guidage (30) agencée le long du dispositif de transport (2) dans la direction de transport (T). La barre de guidage (30) comporte un canal d'air comprimé (31) et des buses d'air (32, 37) alimentées par le canal d'air comprimé et orientées de telle manière qu'elles produisent un flux d'air (L) orienté sensiblement transversalement à la direction de transport (T).
PCT/EP2013/068309 2012-09-24 2013-09-04 Système d'acheminement de corps de sac WO2014044534A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201380049506.5A CN104812559B (zh) 2012-09-24 2013-09-04 用于袋体的输送装置
PH12015500559A PH12015500559A1 (en) 2012-09-24 2015-03-13 Conveying device for bag bodies
IN3294DEN2015 IN2015DN03294A (fr) 2012-09-24 2015-04-20

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12185667.8A EP2711165B1 (fr) 2012-09-24 2012-09-24 Dispositif d'acheminement pour corps de sachet
EP12185667.8 2012-09-24

Publications (1)

Publication Number Publication Date
WO2014044534A1 true WO2014044534A1 (fr) 2014-03-27

Family

ID=47002663

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/068309 WO2014044534A1 (fr) 2012-09-24 2013-09-04 Système d'acheminement de corps de sac

Country Status (6)

Country Link
EP (1) EP2711165B1 (fr)
CN (1) CN104812559B (fr)
ES (1) ES2599846T3 (fr)
IN (1) IN2015DN03294A (fr)
PH (1) PH12015500559A1 (fr)
WO (1) WO2014044534A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021151621A1 (fr) * 2020-01-29 2021-08-05 Windmöller & Hölscher Kg Dispositif permettant de produire des replis d'angle sur des corps de sacs tubulaires

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2441574A1 (fr) * 2010-10-14 2012-04-18 Starlinger & Co Gesellschaft m.b.H. Procédé et dispositif de développement de sols ouverts sur des zones d'extrémité de corps de sachets tubulaires

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ289183B6 (cs) 1995-01-25 2001-11-14 Windmöller & Hölscher Zařízení na vytahování konců plochých hadicových odřezků
JP2870446B2 (ja) * 1995-04-25 1999-03-17 サンスター技研株式会社 内袋を装填した円筒容器
JP2987622B2 (ja) * 1998-05-15 1999-12-06 株式会社ヤマガタグラビヤ 製袋方法
DE102006060110A1 (de) * 2006-12-20 2008-06-26 Krones Ag Luftförderer für Behältnisse
DE102009000893B4 (de) * 2008-07-31 2015-03-19 Windmöller & Hölscher Kg Verfahren und Vorrichtung zum Transport von flachen Werkstücken
CN201456452U (zh) * 2009-05-27 2010-05-12 上海紫宏机械有限公司 一种用于制袋机的双通道输送装置
CN202213228U (zh) * 2011-09-15 2012-05-09 江苏万乐复合材料有限公司 用于包装袋加工机的内膜袋配送机构

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2441574A1 (fr) * 2010-10-14 2012-04-18 Starlinger & Co Gesellschaft m.b.H. Procédé et dispositif de développement de sols ouverts sur des zones d'extrémité de corps de sachets tubulaires

Also Published As

Publication number Publication date
PH12015500559B1 (en) 2015-05-11
CN104812559B (zh) 2017-03-08
ES2599846T3 (es) 2017-02-03
EP2711165B1 (fr) 2016-07-27
PH12015500559A1 (en) 2015-05-11
IN2015DN03294A (fr) 2015-10-09
CN104812559A (zh) 2015-07-29
EP2711165A1 (fr) 2014-03-26

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