EP0524062B2 - Procédé de réalisation d'une charge de rouleaux de matériaux compressibles - Google Patents
Procédé de réalisation d'une charge de rouleaux de matériaux compressibles Download PDFInfo
- Publication number
- EP0524062B2 EP0524062B2 EP92401975A EP92401975A EP0524062B2 EP 0524062 B2 EP0524062 B2 EP 0524062B2 EP 92401975 A EP92401975 A EP 92401975A EP 92401975 A EP92401975 A EP 92401975A EP 0524062 B2 EP0524062 B2 EP 0524062B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- modules
- compression
- rolls
- stack
- rollers
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 title claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 51
- 230000006835 compression Effects 0.000 claims abstract description 50
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011491 glass wool Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920006302 stretch film Polymers 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Classifications
-
- 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
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
- B65B13/20—Means for compressing or compacting bundles prior to bundling
Definitions
- the present invention relates to packaging compressible materials, and in particular insulating felts of glass wool or other wool mineral, and more specifically aims to achieve palletizable loads of reduced size facilitating transport and storage of such products.
- Light fibrous insulating materials are generally packed in the compressed state under the form of rolls closed by unitary packages paper belt or envelope type plastic material, mainly based on polyethylene, heat shrunk. To decrease the cost of transport operations, especially during loading and unloading, and to simplify storage, these rolls are usually assembled in batches on pallets. In practice, the size of these must be compatible with dimensions of the means of transport, trucks or most often, railroad cars. These latter also limit the total height of the palletized load, which must therefore ultimately comply a fairly strict template into which a reduced number of rollers.
- the invention relates to a new solution for compact a load of rollers of material compressible, and in particular of fibrous material insulator, or, of course the same thing, for increase the number of rollers per load, and this while preserving the quality of the material, taking care in particular not to create deformations permanent ones remaining during the unpacking of the rolls, even after a relatively long storage period long, for example a few months.
- Temporary vertical compression can be very important, and in any case correspond to a compression mismatch well above the limit of elastic compression of the material which, remember, is already very strongly compressed during the roll-up phase.
- the compression can for example temporarily lower the height load at a height between 50 % and 80% of the initial height, the duration of the compression phase being adjusted accordingly, and shorter as the compression temporary exercise is high.
- the stack must be kept to the dimensions obtained after it has relaxed; for that we can use a strapping machine which will places two or three links, for example in terms of plastic.
- Another solution is to carry out a wrapping with plastic stretch film, the charge then being protected from the weather and can therefore be stored in the open air.
- the stack of rollers is preferably limited to three layers, but several charges, two at all least, can be layered before step of setting up links, taking care of course the axes of the rollers are properly aligned to prevent the weight of the upper layers does not degrade the lower layers.
- a device capable of implementing the method according to the invention includes a stacking station layers of rollers, a compression station vertical, possibly a rotation station 90 ° from the stack, an installation station links and a transporter to move the stack from one post to another.
- the compression station can be for example constituted by a pressure plate suspended from the by means of a hoist above a conveyor strip for inserting and removing batteries. Such a compression station can be inserted in an existing packaging line without disruption of it.
- the post compression consists of a hydraulic table lifting the load to come and press it against a fixed flat pressure plate, the table is then substituting for the carrier.
- the pressure plate is not strictly flat but has an extra thickness in its central part, constituting a kind of punch which increases locally and in particular to plumb with the rollers in the middle of each module, compression force. This allows a good alignment of the rollers of the same module which, when fitting the belt, have a certain tendency to have an arc, the roller of the middle playing a role of keystone.
- FIG. 1 represents a diagram in perspective of a compression station of a device according to the invention.
- rollers and more particularly rollers of glass wool-based felts are for example obtained by operating according to the processes described by the requests for Patent FR-A-2,553,744, EP-A-238,393 or EP-A-294 320, or any other process capable of producing a winding with such uniform compression as possible over the entire length of the strip coiled felt, so as to lead to formation of turns, all of the same thickness, including for the first coils which constitute the core of the roller and also its most brittle.
- a glass wool felt can withstand compression ratios of 4 or more, which means that the thickness of the wound tape is less than a quarter of the initial thickness, initial thickness which is found when the strip is held.
- all rolls are products with identical diameters, whatever either the thickness of the strip, so as to preserve dimensions and weight substantially constant, which simplifies their packaging. Thereafter and to fix the ideas, it will be done reference to a typical roller from 400 mm to 410 mm in diameter and 1200 mm long, but it goes from the process according to the invention can be applied to rollers of different diameters. Of the number of rolls per module or per load and half load can of course be changed and adapted to each particular case without leaving the part of the invention.
- the rolls wrapped each in a shrink polyethylene film in the heat, or more simply in kraft paper are associated in modules of five, each module being belted.
- the rollers are lying side by side, arranged in the same alignment.
- This belt is under tension and deforms so the rollers which, from cylindrical, become ovoids, with their largest dimension according to the vertical.
- the module has a height of the order of 445 mm and a length of 1495 - 1500 mm, which indicates a slight crushing on the coast.
- the modules are superimposed, as shown in Figure 1, where schematically a stack made up of three modules 1, of five rollers retained by a belt 2 retracted. Because this belt compresses slightly rollers, upper generators rolls of a given module - or respectively the lower generators - are actually not strictly coplanar but define an arched curve, a roller - most often the central roller - playing a key role. This phenomenon can be annoying to the extent that the more the loads carried are parallelepiped and less will be their size. A shape adapted from the pressure plate according to the invention allows to remedy this problem perfectly as it will be shown later.
- the stack of three modules thus formed has therefore a height between 1330 and 1340 mm. It is transported for example by a transporter belt 3 to the compression station. This compressor station is protected by side grids 4, whose role is simply ensuring the safety of line personnel conditioning which can be brought to work on the conveyor belt.
- the essential organ is a pressure plate 5, here constituted by a block of reinforced concrete weighing 3 tonnes, supported by a metal frame in commercial profiles.
- the pressure plate 5 is moved by means a hoist 6 capable of moving the platform to slow or fast speed (e.g. at a speed about 1 m / min at the time of compression and 4 m / min during the approach cycles and platform lift).
- Hoist 6 is supported by a metal frame 7 which also plays a guide role of the pressure plate 5 provided with a sliding guide system on the posts the frame, and which also supports the transporter with band 3 to compensate for its deformation due to compression forces.
- the set also includes a device by locking the pressure plate 5 in the high position, this device being for example constituted by bars 8 on which come abut the heels 9 associated with the pressure plate 5 thus prohibiting his descent.
- this bars 8 are separated by a nice 10 manually controlled in the case here represented, but which can also be enslaved in automatic operation by presence detectors of a charge.
- the pressure plate 5 has in its part central, facing the rollers in the middle of the pile, an extra thickness forming a kind of punch, which allows to bring flat the different modules.
- the pressure plate 5 is lowered and crushes the pile so as to bring its height to a value, for example, between 950 and 1000 mm.
- Such vertical compression is partially offset by an increase the length of the modules which, depending on the case, reaches 30 to 50 mm.
- Such compression of rollers which is added to the compression of the felt made during the winding, is in itself perfectly inadmissible and would lead inevitably significant degradation of the felt, with a loss of thickness recovery, if it was maintained for a period of time relatively long. Nevertheless, it appeared that such degradation does not occur if this time period is short enough.
- this compression is maintained for a period which is not less than 15 seconds nor more than 40 seconds and preferably between 20 and 30 seconds. If we choose to compress again plus the load, for example by means of a tray heavier presser, this compression time will preferably be reduced a little. In the otherwise, it can be extended, although this solution is generally not preferred because it leads to a slower pace of production.
- the battery is then evacuated then rotated 90 ° by a suitable tilting device, so that place the rollers upright.
- Another identical stack is then formed and, by means of a device gripping, for example of the pliers type, the two piles are placed one on the other on a pallet, ensuring that the rollers of the top row be aligned lower rollers.
- the charge thus constituted is permanently maintained in good condition by wrapping using a plastic stretch film. This wrapping compensates for a loosening possible a little too important charges, without compressing them more (the rollers expand due to loosening, not swelling, in other words the air evacuated between the rollers during compression does not re-enter in the battery during the expansion phase).
- the invention allows to significantly improve the load factor of the means of transport (railway wagons or trucks), the charges being of a reduced bulk.
- the invention is in no way limited to the proposed embodiment and that it can be chose different variants: thus, the modules may not be glued but held by a any binding.
- the battery can also be maintained before the compression by wrapping, which then makes the belts of the modules useless.
- the mobile pressure plate can be replaced by a fixed tray associated with a table hydraulic.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Basic Packing Technique (AREA)
- Press Drives And Press Lines (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Treatment Of Fiber Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Heat Treatment Of Articles (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Primary Cells (AREA)
Description
- constituer des modules formés chacun d'une couche de rouleaux placés côte à côte, les uns au contact des autres,
- superposer plusieurs modules en pile, les rouleaux étant disposés couchés (voir EP-A-220 980 constituant l'art antérieur le plus proche), ledit procédé étant caractérisé par les étapes supplémentaires suivantes :
- comprimer cet ensemble dès modules superposés dans le sens de l'empilement des modules, la compression ramenant l'épaisseur de l'ensemble à une hauteur correspondant à un taux de compression du feutre, constituant le matériau compressible, supérieur au taux de compression correspondant à sa limite élastique,
- arrêter la compression pour laisser se relâcher cet ensemble,
- mettre en place des liens pour maítriser la pile de modules aux dimensions obtenues.
Claims (9)
- Procédé de réalisation d'une charge de rouleaux de matériaux compressibles comportant les étapes suivantes :constituer des modules formés chacun d'une couche de rouleaux placés côte à côte, les uns au contact des autres,superposer plusieurs modules en pile, les rouleaux étant disposés couchés, ledit procédé étant caractérisé par les étapes supplémentaires suivantes :comprimer cet ensemble des modules superposés dans le sens de l'empilement des modules, la compression ramenant l'épaisseur de l'ensemble à une hauteur correspondant à un taux de compression du feutre, constituant le matériau compressible, supérieur au taux de compression correspondant à sa limite élastique,arrêter la compression pour laisser se relâcher cet ensemble,mettre en place des liens pour maítriser la pile de modules aux dimensions obtenues.
- Procédé selon la revendication 1, caractérisé en ce qu'avant de mettre en place les liens, on tourne ledit ensemble de manière à disposer les rouleaux debout.
- Procédé selon la revendication 1 ou la revendication 2, caractérisé en ce que la compression est maintenue pendant une durée qui n'est pas inférieure à 15 secondes ni supérieure à 40 secondes.
- Procédé selon une des revendications 1 à 3, caractérisé en ce qu'on superpose deux piles de rouleaux avant d'effectuer la mise en place des liens.
- Procédé selon une des revendications 1 à 4, caractérisé en ce que les modules sont ceinturés.
- Procédé selon la revendication 5 , caractérisé en ce que la pile de modules est solidarisée par collage en chauffant les ceintures.
- Procédé selon une des revendications 1 à 4, caractérisé en ce que la pile de module est solidarisée par un liage.
- Procédé selon une des revendications 1 à 4, caractérisé en ce que la pile de modules est banderolée.
- Procédé selon une des revendications 1 à 8, caractérisé en ce que la compression exercée est plus forte au centre.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9108863 | 1991-07-15 | ||
FR9108863A FR2679200B1 (fr) | 1991-07-15 | 1991-07-15 | Procede de realisation d'une charge de rouleaux de materiaux compressibles et dispositif de mise en óoeuvre. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0524062A1 EP0524062A1 (fr) | 1993-01-20 |
EP0524062B1 EP0524062B1 (fr) | 1995-12-06 |
EP0524062B2 true EP0524062B2 (fr) | 1998-09-09 |
Family
ID=9415074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92401975A Expired - Lifetime EP0524062B2 (fr) | 1991-07-15 | 1992-07-09 | Procédé de réalisation d'une charge de rouleaux de matériaux compressibles |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0524062B2 (fr) |
AT (1) | ATE131122T1 (fr) |
DE (1) | DE69206506T3 (fr) |
ES (1) | ES2083121T5 (fr) |
FI (1) | FI98903C (fr) |
FR (1) | FR2679200B1 (fr) |
NO (1) | NO303535B1 (fr) |
TR (1) | TR27366A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1015523A3 (fr) * | 2003-05-22 | 2005-05-03 | Knauf Insulation S A | Paquets de rouleaux et leur procede de fabrication. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4524683A (en) * | 1984-01-09 | 1985-06-25 | Parker Tobacco Company, Inc. | Method of improving the handling of tobacco |
FR2587682B1 (fr) * | 1985-09-25 | 1987-12-18 | Saint Gobain Isover | Constitution de fardeaux d'isolants thermiques fibreux |
DE3772969D1 (de) * | 1987-03-13 | 1991-10-17 | Gunze Kk | Apparat zum zusammendruecken eines signaturenstapels. |
-
1991
- 1991-07-15 FR FR9108863A patent/FR2679200B1/fr not_active Expired - Fee Related
-
1992
- 1992-07-09 EP EP92401975A patent/EP0524062B2/fr not_active Expired - Lifetime
- 1992-07-09 AT AT92401975T patent/ATE131122T1/de not_active IP Right Cessation
- 1992-07-09 ES ES92401975T patent/ES2083121T5/es not_active Expired - Lifetime
- 1992-07-09 DE DE69206506T patent/DE69206506T3/de not_active Expired - Fee Related
- 1992-07-14 NO NO922773A patent/NO303535B1/no not_active IP Right Cessation
- 1992-07-14 FI FI923230A patent/FI98903C/fi active
- 1992-07-15 TR TR00686/92A patent/TR27366A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NO922773D0 (no) | 1992-07-14 |
ES2083121T3 (es) | 1996-04-01 |
ATE131122T1 (de) | 1995-12-15 |
FR2679200B1 (fr) | 1993-10-22 |
DE69206506T2 (de) | 1996-07-18 |
FI923230A (fi) | 1993-01-16 |
DE69206506T3 (de) | 1999-05-27 |
NO303535B1 (no) | 1998-07-27 |
ES2083121T5 (es) | 1999-01-01 |
FI98903B (fi) | 1997-05-30 |
EP0524062B1 (fr) | 1995-12-06 |
FI98903C (fi) | 1997-09-10 |
EP0524062A1 (fr) | 1993-01-20 |
NO922773L (no) | 1993-01-18 |
DE69206506D1 (de) | 1996-01-18 |
TR27366A (tr) | 1995-01-17 |
FI923230A0 (fi) | 1992-07-14 |
FR2679200A1 (fr) | 1993-01-22 |
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