EP1497186B1 - Balle de meche pour filtre fortement comprimee et procede de production de cette balle - Google Patents

Balle de meche pour filtre fortement comprimee et procede de production de cette balle Download PDF

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Publication number
EP1497186B1
EP1497186B1 EP03722517A EP03722517A EP1497186B1 EP 1497186 B1 EP1497186 B1 EP 1497186B1 EP 03722517 A EP03722517 A EP 03722517A EP 03722517 A EP03722517 A EP 03722517A EP 1497186 B1 EP1497186 B1 EP 1497186B1
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EP
European Patent Office
Prior art keywords
bale
packaging
film
filter tow
negative pressure
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.)
Revoked
Application number
EP03722517A
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German (de)
English (en)
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EP1497186A2 (fr
Inventor
Dietmar Kern
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cerdia Produktions GmbH
Original Assignee
Rhodia Acetow GmbH
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Application filed by Rhodia Acetow GmbH filed Critical Rhodia Acetow GmbH
Priority to SI200330218T priority Critical patent/SI1497186T1/sl
Publication of EP1497186A2 publication Critical patent/EP1497186A2/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
    • B65B63/02—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for compressing or compacting articles or materials prior to wrapping or insertion in containers or receptacles
    • B65B63/028—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for compressing or compacting articles or materials prior to wrapping or insertion in containers or receptacles by pneumatic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
    • B65B63/02—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for compressing or compacting articles or materials prior to wrapping or insertion in containers or receptacles
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles

Definitions

  • the invention relates to a packaged, high-density bales of filter tow in cuboid shape without disturbing bulges or constrictions on the top and bottom of the bale and a method for its preparation.
  • the tow is deposited in so-called "filling cans".
  • the filter tow is distributed uniformly as a layer over the cross-sectional area of the filling can by changes in the longitudinal and transverse directions of a laying unit. There are so many layers deposited on each other until the filter tow pack has reached the desired mass and height in the filling can. Packing weights of several hundred kilograms are usual in this area.
  • a high-density bale and a method for optimal filling of a filling can and thus avoiding resulting processing problems are described in WO 02/32238 A2.
  • the contents of the jug filled in this way are then pressed in the direction of the superimposed layers.
  • the filter under tension tension pack is still wrapped within the pressing device with packaging material and then the pressing device completely open, so that the packaging material holds the filter tow pack as a so-called bale.
  • Conventional packaging materials are cardboard boxes which are held together mechanically by repackaging or gluing, or plastic fabrics which are closed, for example, by a hook-and-loop fastener.
  • An example of an adhesive package is described in German Utility Model 7635849.1.
  • the invention thus relates to a packaged, highly compressed bales of filter tow in cuboid shape without disturbing bulges or constrictions on the top and bottom of the bale, which is characterized in that a.)
  • the bales have a packing density of at least 300 kg / m 3 , b .
  • the Balten is completely covered with a mechanically self-supporting, elastic packaging material, this material having one or more convective airtight connections, and c.) the top and bottom of the bale are so flat that when the unopened bale is placed on a horizontal Level can be pressed on the top of the bale over a central normal force of 100 N completely flat plate over the bale and at least 90% of the area within the largest rectangle that can be inscribed in by vertical projection of the bale on the printed plate the overhead bale side, inside the egg a rectangle of not more than 40 mm from the flat plate, and d.) the bale has a height of at least approximately 900 mm. It prevails in the
  • bale according to claim 1 is therefore one completely encased in mechanically self-supporting elastic packaging material, this material having one or more convective airtight compounds.
  • the bale according to the invention is a vacuum-packed bale, such as a vacuum packaging, as is well-known to every consumer from daily use. This is not the case.
  • the task is the production of a defined shape.
  • the air-tight packaging has the task during the manufacturing process to absorb pressure gradients on bale - top and bottom and level.
  • Packaging requirements such as the strength of the packaging, air and moisture permeability, etc., could be dispensed with.
  • the bale of the invention keeps its properties even if the previously airtight material would be perforated over a large area after the packaging process. For practical reasons, one will do without such an additional measure.
  • the geometry of the bale according to the invention is described by the feature c.) In claim 1.
  • the distance between the individual points of the overhead bale side can be determined, for example, by using a transparent plate as the plate and determining the distance of the individual points from the plate by means of reflection measurement. Alternatively, any other continuous method of distance measurement can be used.
  • 90% of the surface of the overhead bale side, which lies within the addressed inscribed rectangle have a maximum distance of about 25 mm, in particular a maximum of about 10 mm, to the flat plate.
  • bale packaging it is also possible to produce significantly higher bales, so that the packaging cost is minimized based on the amount of fiber to be packaged.
  • filter tow packaging such large packs have the advantage that when the filter tow is used to make cigarette filters in a filter rod machine, it is rarely necessary to change the bales.
  • the packaging casing is preferably a plastic film.
  • the convective airtight connection as a convective air impermeable executed seam, particularly advantageous as an overlapping seal or fin seam, formed.
  • the film preferably consists of polyethylene, in particular LDPE, or of modified polyethylene (LLDPE) or of a composite film with a polyamide and a polyethylene layer.
  • LDPE low density polyethylene
  • LLDPE modified polyethylene
  • the film may further be provided with stickers having, for example, information regarding the contents of the package.
  • stickers Another possibility for the transmission of information through the packaging is the pressing in of a relief, which is visible through the tight fitting film due to the negative pressure.
  • the relief may also include, for example, a company and / or customer logo.
  • the film preferably has properties that identify it as safe transport packaging.
  • the process for packaging a filter tow bale comprises the following process steps: a.) Providing filter tow in compressed form, b.) Wrapping the compressed filter tow with a packaging wrapper, c.) Airtight sealing of the packaging wrapper, d.) Relieving the wrapped bale and e.) Creating a negative pressure of at least about 0.01 bar relative to the negative pressure within the relieved packaging wrapper.
  • a negative pressure within the packaging envelope which is preferably at least 0.01 bar and, according to a particularly advantageous procedure, 0.15 to 0.7 bar.
  • the generated negative pressure can be maintained within the area enclosed by the wrapper.
  • This negative pressure reduces the pressure exerted internally on the packaging by the flexible material due to the elastic restoring force. For this reason, bulges of the packaged filter tow bale, as are common in the prior art, avoid. This increases the stackability of the packages produced.
  • the reduced internal mechanical pressure on the packaging due to the reduced pressure also reduces the risk of packaging failure. In this way, a higher packing density can be achieved, which leads to the advantage of compact packages and thus reduced storage and transport volumes. In particular, in this way the capacity of containers in which such packaged filter Tows are stored, can be optimally utilized.
  • the provision of the filter Tows in compressed form is generally carried out by means of the known pressing devices.
  • the method according to the invention can be conducted in such a way that the filter tow quantity provided for packaging is first mechanically compressed in the pressing device and then enveloped by the packaging wrapper.
  • the sealing of the packaging casing takes place in this case within the pressing device.
  • auxiliary packaging which may for example consist of retaining clips, the packaging station supplied, where the auxiliary packaging is removed and the envelope of the compressed filter Tows with packaging wrapper and the generation of negative pressure and the airtight sealing of the packaging wrapper be made.
  • This embodiment has the advantage that, since not the entire process is carried out at the location of the pressing device, this has a higher availability.
  • the pressing cycle of shorter duration and there are more degrees of freedom in the application the packaging casing, as the compressed bale is accessible from all sides in the packaging station.
  • the vacuum initially required in the method according to the invention can be obtained in various ways.
  • the negative pressure is generated by expansion of the compressed filter tow material.
  • the external pressure on the packaged material is reduced, so that it expands under the effect of the elastic restoring force within the package. Due to the increase in the volume of the pack, a negative pressure within the area enclosed by the envelope is established.
  • the package size is chosen so that the extent of the compressible filter Tows is not complete, i. that the filter tow within the envelope is still present in the compressed state within the packaging even after its part expansion.
  • This embodiment has the advantage that no additional means are required to generate the negative pressure. It thus represents a particularly cost-effective way.
  • the suction can be carried out, for example, with the help of one or more vacuum pumps. These are first connected on the suction side with the interior of the otherwise airtight sealed packaging, whereupon they are put into operation. After the desired negative pressure has been reached, the pumps are again removed from the packaging separated, wherein the Sauganschlußstellen the packaging wrapper are hermetically sealed again.
  • a negative pressure of about 0.15 bar to 0.7 bar below the ambient pressure is generated.
  • a vacuum in the rough vacuum range which is completely sufficient for the inventive method in general.
  • the selection of the specific range for the negative pressure depends on various parameters, in particular on the type and quantity of the material to be packaged, the desired packing density, the packaging envelope used, etc. Basically, it should be kept in mind that the more compact packaging can be achieved, the stronger the vacuum or the vacuum is. The bulges can be reduced more with increasing negative pressure. However, it must be considered that the times for achieving the negative pressure increase disproportionately, the finer the desired vacuum is.
  • the packaging casing used in the process according to the invention should be selected such that the desired temporal stability of the generated negative pressure and the desired mechanical stability of the packaging are ensured.
  • the desired temporal stability is generally between a few days and several months or even years vary. Accordingly, films with different air permeabilities can be used.
  • the packaging envelope used is preferably a film made of polyethylene or modified polyethylene, for example LLDPE or LDPE.
  • LDPE high pressure, low density polyethylene, the term LLDPE being the short form for low density, linear structure polyethylene.
  • LLDPE high pressure, low density polyethylene
  • Such a film has the advantage that it is a single-grade film, which is also available at low cost.
  • a film of polyethylene has a comparatively low strength, so that it is particularly suitable for smaller packing densities and small amounts to be packaged. Due to the relatively high air permeability of a standard polyethylene film, it is more suitable for applications where the shelf life does not exceed several weeks.
  • a composite film with polyamide and polyethylene can be used with advantage as packaging casing.
  • This is characterized by a particularly low air permeability and high strength, so that the negative pressure over a long period of time can be kept substantially constant.
  • the proportion of polyamide is about 1/3 and the proportion of polyethylene about 2/3.
  • permeability refers to a composition analogous to the ambient air (about 78% N 2 , 21% O 2 , 1% other gases). It depends only on the permeability to oxygen and nitrogen. In addition to films, other airtight materials can be used in the context of the present invention, which meet the above conditions.
  • the water vapor permeability of the film or other wrapping material should preferably below 5 g / (m 2 * d) and in particular below 2 g / (m 2 * d), measured according to DIN 53122 2nd part at 23 ° C and 85% relative Moist, lie.
  • the water vapor permeability is not relevant for the shaping function of the packaging.
  • a package which is not only air-tight but also water-vapor-tight has the advantage that the product moisture of the filter tow is retained by such a package. This is very important for Filter Tow. So the moisture will balance over the bale and no exchange of water vapor with the environment will take place.
  • Polyethylene films of 100 ⁇ m thickness have about a water vapor permeability of 1 g / (m 2 * d).
  • the packaging wrapper or the film should expediently have a breaking force of at least about 10 N / 15 mm, preferably more than 100 N / 15 mm and particularly preferably more than 200 N / 15 mm, measured according to DIN EN ISO 527-3.
  • the stated values relate in each case to the minimum of the tensile strength in the longitudinal and transverse direction of the film.
  • the concrete selection with regard to the tensile strength is to be made depending on whether the film-wrapped bales are repackaged for transport.
  • PE with a tensile strength of 15 to 30 N / 15 mm at 100 ⁇ m thickness
  • PA6 with a tensile strength of 150 to 300 N / 15 mm at 100 ⁇ m thickness can be mentioned.
  • plastic films with air-blocking layers for example made of polyamide, polyester or ethylene-vinyl alcohol copolymer (EVOH), or with metal oxide coating, for example of SiO x , aluminum oxide, etc., and aluminum foils have proved to be particularly advantageous.
  • the listed types of foils are not to be regarded as limiting. Due to the airtightness of the film and a flavor protection, ie a protection against intruding from the outside flavors is guaranteed, which may be advantageous in various packaged goods. For a mechanical stability of the film, a certain toughness of the same important. This is achieved particularly well by polyamide.
  • the sealing layers may be "peelable", i. not be homogeneously sealable.
  • Such an inhomogeneous sealant layer may be prepared in a variety of ways, for example by admixing polybutylene at certain locations in the sealant layer or by sealing polypropylene with LLDPE.
  • Another way of providing an opening aid is to provide a tear strip in the packaging film. This possibility is particularly suitable for films with low toughness.
  • protruding corners or the like may be provided which are intended to be cut open when the package is opened. After cutting the protruding corner, air may enter the interior of the package, loosening the package. Then this can then be easily opened with a foil knife, without the packaging content is damaged.
  • the welding or sealing may take place to form a fin seam, which is known to the person skilled in the art of film processing.
  • This has the advantage of being easy to manufacture from the outside, but its ability to withstand tensile loads is less than that of an overlapping seam.
  • the packaging wrapper or film may be formed, for example, in the form of a one-piece bag.
  • the wrapping of the filter Tows provided in this case is analogous to the packaging of a candy.
  • the film may consist of a bottom, a lid and a circumferential sleeve. In this case, the total length of the connecting seams increases because the individual parts must be joined together.
  • the film package consists of a lid and a bottom, which may be prefabricated, e.g. deep-drawn or barked or the like, are.
  • other suitable ways of forming a film package within the scope of the invention are conceivable.
  • the film used in the method according to the invention preferably has a thickness of about 100 to 400 .mu.m, wherein a range of 200 to 300 .mu.m and in particular from 250 to 300 .mu.m, has been found to be particularly suitable.
  • the exact thickness of the film used will depend on the size and mass of the fibrous material to be packaged, the degree of compression i. from the packing density and the type of film material used. As has already been mentioned above, the film can optionally be chosen somewhat thinner if an additional outer packaging, for example made of cardboard, is used.
  • the compressible filter tow to be packaged is provided in particular in an optimal cuboid shape. As a result, packages can be achieved that are particularly easy to stack and handle and are easy to store.
  • the filter tow which is in the form of cables, the cables are preferably stacked in individual layers; as has already been described in connection with the method according to the prior art.
  • the pressing device 3 which has, for example, a pressing force of 300 to 400 t, the bale is compressed to the desired packing size.
  • the film 2 except for a small area, which serves as a connection point for the suction hose of a vacuum pump 4, for example a rotary vane pump or the like, hermetically sealed.
  • the interior of the area enclosed by the film 2 is then evacuated by means of the vacuum pump 4 to a desired negative pressure. If this is reached, the hose of the vacuum pump is separated from the film and the connection point is hermetically sealed.
  • a vacuum pump if only a small negative pressure is desired, which can be achieved by the expansion of the bale.
  • the pressing device 3 is opened, with the bale partially expanding again, as long as the size of the film packaging permits this.
  • the ready-packed filter tow bales can now be removed from the pressing device and is in a transportable and storable state, as shown in FIG. 1c.
  • the height of the packaged bale depends inter alia on the strength of the vacuum created.
  • FIGS. 2 a and 2 b show a further stage of the method according to the invention, namely the optional provision of the packaged filter tow bale with an outer packaging 5.
  • This can be provided in particular for transport and consist, for example, of lightweight cardboard.
  • Such outer packaging are known in the art and will therefore not be explained in detail here.
  • FIGS. 3a and 3b each show a graph showing the properties of a package produced by the process according to the invention using a film of polyethylene or a composite film of polyethylene and polyamide over time.
  • the polyethylene film of Figure 3a had a gas permeability of about 600 ml / (m 2 * d * bar) while the gas permeability of the composite film of Figure 3b was only about 10 ml / (m 2 * d * bar).
  • the generated negative pressure in the case of the composite film remains substantially constant over several hundred days, as does the bale height.
  • the negative pressure has already decreased by half after just over 100 days, while the bale height increased by more than 10 cm in the same period.
  • a composite film is preferable, despite the higher cost.
  • the bale height can be kept lower, the stronger the vacuum used.
  • three different graphs are shown, the uppermost the achievable bale height depending on the packing size of the bale without the use of a vacuum pump, the mean graph when using an additional vacuum of 0.1 bar and the lower graph using an additional vacuum of 0, 1 bar show.
  • a filter tow of the type 3Y35 with a bale mass of 580 kg was processed at a pressure of 370 t. At these ratios, an additional vacuum of 0.1 bar in about 60 s to produce safe.
  • a composite film of polyethylene and polyamide of a thickness of about 200 microns was used.
  • the film was sealed by hand with the aid of a sealing device, whereby a sleeve part was connected to a cover and base element respectively pre-stamped in the press.
  • the pressing force was always 370 t.
  • the packaging costs could be considerably reduced with the aid of the method according to the invention.
  • a bale of the same mass was wrapped in a package height of 900 mm in a composite film of polyamide and polyethylene and this welded. After opening the pressing device, the height was 970 mm. There was no bale belly in the packaging. About the increase in the volume of the bale Air found there was a vacuum of 0.12 bar corresponding to an absolute pressure of 0.88 bar. This negative pressure was achieved without the aid of a vacuum pump.

Claims (26)

  1. Balle de mèche à filtre fortement comprimée, emballée, sous forme parallélépipédique sans bossage ou rétrécissement gênant sur la face supérieure et la face inférieure de la balle, caractérisée en ce que
    a. la balle comprend une densité de tassement d'au moins 300 kg/m3,
    b. la balle est entièrement enveloppée d'un matériau d'emballage élastique, mécaniquement autoporteur, ce matériau comprenant une ou plusieurs liaisons(s) étanche(s) à l'air par convection,
    c. la face supérieure et la face inférieure de la balle sont si planes qu'en disposant la balle non ouverte sur un plan horizontal, une plaque plane recouvrant entièrement la balle peut être pressée à un effort normal de 100 N agissant au centre sur la face supérieure de la balle et à l'intérieur du plus grand rectangle, qui peut être inscrit dans la projection verticale de la balle sur la plaque compressée, au moins 90% de la surface de la face de la balle tournée vers le haut, qui se situe à l'intérieur du rectangle inscrit, présentent une distance d'approximativement 40 mm maximum par rapport à la plaque plane,
    d. la balle présente une hauteur d'au moins 900 mm, et
    e. une dépression d'au moins 0,01 bar par rapport à la pression extérieure règne dans la balle, du moins après l'emballage.
  2. Balle selon la revendication 1, caractérisée en ce que la balle comprend comme enveloppe d'emballage une feuille dotée d'une résistance à la traction d'au moins 10 N/15 mm (mesurée selon la norme DIN EN ISO 527-3).
  3. Balle selon la revendication 1 ou 2, caractérisée en ce qu'elle comprend un volume tassé supérieur à 0,9 m3 et/ou la densité de tassement s'élève à plus de 350 kg/m3 et notamment à moins de 800 kg/m3.
  4. Balle selon la revendication 1 ou 3, caractérisée en ce qu'elle présente une hauteur d'au moins 970 mm, notamment de 970 à 1200 mm.
  5. Balle selon l'une quelconque des revendications 1 à 4, caractérisée en ce que l'enveloppe d'emballage est une feuille, notamment une feuille en matière plastique.
  6. Balle selon l'une quelconque des revendications précédentes, caractérisée en ce que la liaison étanche à l'air par convection est une soudure imperméable à l'air par convection.
  7. Balle selon la revendication 6, caractérisée en ce que la soudure imperméable à l'air est un joint scellé ou un joint à ailettes à recouvrement.
  8. Balle selon l'une quelconque des revendications précédentes, caractérisée en ce que 90% de la surface de la face de la balle tournée vers le haut, laquelle se situe à l'intérieur du rectangle inscrit, présente une distance de 25 mm maximum, notamment de 10 mm maximum, par rapport à la plaque plane.
  9. Balle selon l'une quelconque des revendications 5 à 8, caractérisée en ce que la feuille est constituée de polyéthylène, notamment de LDPE, ou de polyéthylène modifié (LLDPE).
  10. Balle selon l'une quelconque des revendications 5 à 8, caractérisée en ce que l'enveloppe d'emballage est une feuille composite comprenant une couche de polyamide et une couche de polyéthylène.
  11. Balle selon l'une quelconque des revendications précédentes, caractérisée en ce que l'enveloppe d'emballage présente une épaisseur d'approximativement 100 à 400 µm.
  12. Balle selon l'une quelconque des revendications précédentes, caractérisée en ce que celle-ci comprend un emballage de transport additionnel en carton ou en tissu synthétique et/ou en ce qu'elle est enveloppée additionnellement par des bandes.
  13. Balle selon l'une quelconque des revendications précédentes, caractérisée en ce que la dépression régnant après l'emballage est augmentée d'au moins 0,01 bar par rapport à la pression extérieure.
  14. Procédé d'emballage d'une balle de mèche à filtre, notamment selon l'une quelconque des revendications précédentes, comprenant les étapes de procédé suivantes :
    a. fourniture de la mèche à filtre sous forme comprimée,
    b. enveloppement de 1a mèche à filtre comprimée par une enveloppe d'emballage,
    c. fermeture étanche à l'air de l'enveloppe d'emballage,
    d. déchargement de la balle enveloppée et
    e. génération d'une dépression d'au moins 0,01 bar par rapport à la pression extérieure à l'intérieur de l'enveloppe d'emballage déchargée.
  15. Procédé selon la revendication 14, caractérisé en ce que la dépression est générée par l'expansion propre de la mèche à filtre comprimée.
  16. Procédé selon la revendication 14 ou 15, caractérisé en ce que la dépression est générée en aspirant l'air.
  17. Procédé selon la revendication 16, caractérisé en ce que l'aspiration est réalisée à l'aide d'une pompe à vide.
  18. Procédé selon l'une quelconque des revendications 14 à 17, caractérisé en ce qu'une dépression d'approximativement 0,15 à 0,7 bar, inférieure à la pression ambiante, est générée.
  19. procédé selon la revendication 18, caractérisé en ce qu'une dépression d'approximativement 0,2 à 0,40 bar, inférieure à la pression ambiante, est générée.
  20. Procédé selon l'une quelconque des revendications 14 à 19, caractérisé en ce que l'enveloppe d'emballage est fermée par soudage ou scellage, notamment en formant une soudure superposée ou en formant un cordon de soudure de recouvrement.
  21. Procédé selon l'une quelconque des revendications 14 à 20, caractérisé en ce qu'une feuille comprenant une perméabilité à la vapeur d'eau inférieure à 5 g(m2*d), notamment inférieure à 2 g/(m2*d), mesurée selon la norme DIN 53122 à 23°C et 85% d'humidité relative, est utilisée comme enveloppe d'emballage.
  22. Procédé selon l'une quelconque des revendications 14 à 21, caractérisé en ce qu'une feuille présentant une perméabilité aux gaz de maximum 10 000 cm3/(m2*d*bar), mesurée selon la norme DIN 53380-V à 23°C et 75% d'humidité relative, est utilisée pour l'air comme enveloppe d'emballage.
  23. Procédé selon la revendication 22, caractérisé en ce qu'une feuille présentant une perméabilité aux gaz de 200 cm3 maximum/ (m2*d*bar) notamment de 20 cm3 maximum/ (m2*d*bar), est utilisée comme enveloppe d'emballage.
  24. Procédé selon l'une quelconque des revendications 14 à 23, caractérisé en ce qu'une feuille présentant une résistance à la traction d'au moins 10 N/15 mm, notamment d'au moins 100 N/15 mm, (mesurée selon la norme DIN EN ISO 527-3) est utilisée comme enveloppe d'emballage.
  25. Procédé selon la revendication 24, caractérisé en ce que la résistance à la traction mesure au moins 200 N/15 mm (mesurée selon la norme DIN EN ISO 527-3).
  26. Procédé selon l'une quelconque des revendications 14 à 25, caractérisé en ce que le procédé est commandé de sorte qu'il s'établit une densité de tassement d'au moins 300 kg/m3.
EP03722517A 2002-04-22 2003-04-22 Balle de meche pour filtre fortement comprimee et procede de production de cette balle Revoked EP1497186B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200330218T SI1497186T1 (sl) 2002-04-22 2003-04-22 Mocno stisnjen filtrski stenj in postopek za njegovo izdelavo

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10217840A DE10217840B4 (de) 2002-04-22 2002-04-22 Ballen aus lagenförmig angeordnetem Filter Tow sowie Verfahren zum Verpacken von Filter Tow
DE10217840 2002-04-22
PCT/EP2003/004132 WO2003089309A2 (fr) 2002-04-22 2003-04-22 Balle de meche pour filtre fortement comprimee et procede de production de cette balle

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EP2910477B1 (fr) 2014-02-21 2018-03-28 Celanese Acetate LLC Procédés d'emballage de matériaux fibreux
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CN107161439A (zh) * 2014-03-17 2017-09-15 株式会社克林派特日本 层叠束的捆包方法、捆包体以及用于捆包层叠束的装置
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CN115010512B (zh) * 2022-06-07 2023-10-27 济南圣泉倍进陶瓷过滤器有限公司 一种泡沫陶瓷过滤器及其制备方法

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WO2003089309A3 (fr) 2004-03-18
CN1646391A (zh) 2005-07-27
KR20040104612A (ko) 2004-12-10
DE10217840A1 (de) 2003-11-13
CA2482107A1 (fr) 2003-10-30
CN101041390A (zh) 2007-09-26
CN101041390B (zh) 2010-05-19
RU2004133904A (ru) 2005-07-20
DE20315747U1 (de) 2004-01-22
AU2003229703A1 (en) 2003-11-03
DE10217840B4 (de) 2013-10-17
EP1497186A2 (fr) 2005-01-19
AU2003229703A8 (en) 2003-11-03
DE50302963D1 (de) 2006-05-24
RU2283807C2 (ru) 2006-09-20
CA2482107C (fr) 2009-01-27
PT1497186E (pt) 2006-06-30
MXPA04010471A (es) 2005-02-14
KR100763346B1 (ko) 2007-10-04
DK1497186T3 (da) 2006-05-22
JP2005528096A (ja) 2005-09-22
WO2003089309A2 (fr) 2003-10-30
ATE323029T1 (de) 2006-04-15
CN100355634C (zh) 2007-12-19
ES2256737T3 (es) 2006-07-16
JP3917590B2 (ja) 2007-05-23

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