WO2002096756A1 - Procede de realisation d'une unite d'emballage et/ou de transport pour materiaux isolants en forme de plaques constitues de fibres minerales, unite d'emballage et/ou de transport, et plaque de materiau isolant - Google Patents

Procede de realisation d'une unite d'emballage et/ou de transport pour materiaux isolants en forme de plaques constitues de fibres minerales, unite d'emballage et/ou de transport, et plaque de materiau isolant Download PDF

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Publication number
WO2002096756A1
WO2002096756A1 PCT/EP2002/005345 EP0205345W WO02096756A1 WO 2002096756 A1 WO2002096756 A1 WO 2002096756A1 EP 0205345 W EP0205345 W EP 0205345W WO 02096756 A1 WO02096756 A1 WO 02096756A1
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WO
WIPO (PCT)
Prior art keywords
stack
insulation
packaging
transport unit
insulation board
Prior art date
Application number
PCT/EP2002/005345
Other languages
German (de)
English (en)
Inventor
Gerd-Rüdiger Klose
Original Assignee
Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg
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
Priority claimed from DE10146765A external-priority patent/DE10146765B4/de
Application filed by Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg filed Critical Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg
Priority to DE50201175T priority Critical patent/DE50201175D1/de
Priority to AT02743015T priority patent/ATE277818T1/de
Priority to EP02743015A priority patent/EP1390262B1/fr
Publication of WO2002096756A1 publication Critical patent/WO2002096756A1/fr

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Classifications

    • 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
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/08—Wrappers shrunk by heat or under tension, e.g. stretch films or films tensioned by compressed articles
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • B65D75/56—Handles or other suspension means
    • B65D75/566—Hand holes or suspension apertures
    • 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
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00006—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
    • B65D2571/00067—Local maintaining elements, e.g. partial packaging, shrink packaging, shrink small bands
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00006—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
    • B65D2571/00104—Forms or jigs for use in making the load
    • 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
    • B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/52—Details
    • B65D2575/54—Cards, coupons, or other inserts or accessories
    • B65D2575/56—Handles or other suspension means
    • B65D2575/565—Handles or other suspension means means explicitly used for suspending
    • 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
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/46—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for bricks, tiles or building blocks

Definitions

  • the invention relates to a method for producing a packaging and / or transport unit for plate-shaped insulating materials made of mineral fibers, in particular stone and / or glass fibers, in which several insulating material panels are arranged with their large surface area next to one another and combined into a stack, the surfaces of the Insulation boards in the stack are aligned horizontally and / or vertically and the insulation boards of the stack are surrounded with a covering and compressed.
  • the invention further relates to a packaging and / or transport unit for plate-shaped insulating materials made of mineral fibers, in particular stone and / or glass fibers, which are combined into a stack and surrounded by a covering, the large surfaces of the insulating material plates in the stack being adjacent to one another in vertical and / or horizontal alignment.
  • the invention relates to an insulation board in the form of a parallelepiped of mineral fibers, in particular stone and / or glass fibers, for use in a packaging and / or transport unit according to one of claims 23 to 37 and / or for use in a method according to a of claims 1 to 22, wherein the parallelepiped has two spaced-apart and parallel to each other large surfaces and for this purpose essentially rectangular narrow sides.
  • Mineral wool insulation materials consist of glassy solidified mineral fibers which are principally connected to one another at points with small amounts of a binder, usually a thermosetting plastic.
  • the mineral fibers are obtained from a melt that is defibrated in a defibration unit.
  • high proportions of organic matter must be minimized in order to achieve the non-combustible classification according to DIN 4101 Part 1 if possible.
  • an elastic-resilient behavior of the individual mineral fibers within the Insulation is retained.
  • the lower limit of the binder content is characterized by the achievement of the strength properties required for use and handling, such as compressive and tensile strength.
  • impregnating agents are also added in amounts of approx. 0.1 - approx. 0.4 mass%.
  • Glass wool fibers are made from silicate melts with a relatively high alkali content, possibly also boron oxides, in such a way that the melt is passed through the fine wall openings of a rotating body. This results in relatively long and smooth mineral fibers, which are provided with binders and impregnants on an air-permeable conveyor belt.
  • the specific output of such a defibration unit is low at a few hundred kilograms of mineral fibers per hour, so that several units together with the associated chutes are arranged one behind the other on a production line.
  • An endless fiber web drawn off from the defibration units is removed more or less quickly in accordance with the desired thickness and bulk density.
  • the binder fixing the structure of the insulating material to be produced is hardened in a hardening furnace in which hot air is passed through the fiber web.
  • the hardened fiber web is then trimmed laterally and, for example, cut into two webs in the middle, from which insulating boards with a certain length, for example half the line width and any widths, can be separated almost without loss.
  • insulation felts are manufactured as a further essential form of delivery, which can be rolled up in winding stations.
  • Insulating felts have low bulk densities between approx. 8 to approx. 27 kg / m 3 and, if necessary, low binder proportions. Since the mineral fibers in the procedure described above lie flat on top of each other due to their shape and the pick-up technique used, the connection of the mineral fibers parallel to the large surfaces of the mineral fiber web is in principle much stronger than at right angles to it.
  • Insulating materials with this structure consequently have a very low transverse tensile strength and can only transmit low shear forces, which, for example, makes it easier to roll up such insulating felts. It is also very important that these insulation felts can be compressed with very little force without permanent damage to the structure and naturally only develop low restoring forces.
  • Insulating felts made of glass fibers are compressed during the winding process by up to approx. 80% of their original material thickness, whereby the restoring forces are so low that polyethylene foils with a very low material thickness of, for example, approx. 100 - 120 ⁇ m can be used to cover a wound insulating felt made from glass fibers , Such films can withstand the dynamic forces that occur when handling the covered insulating felts.
  • the restoring force of the compressed insulation felts is sufficiently large that the insulation felt regains its nominal thickness and thus its starting material thickness again after removal of the covering, even after a few months of storage.
  • the permissible limit deviation of the measured mean value of a sample from the specified nominal thickness is + 15 here mm and - 5%, in addition there are permissible deviations of the measured single value of the sample from the mean value of ⁇ 10 mm
  • the measurement continues the thickness only under a load of 0.05 kN / m 2 . A local falling below the nominal thickness due to the winding technology and within the wound insulation felt due to locally higher compression as well as creep and relaxation behavior that generally occurs during longer storage periods therefore have little technical impact and therefore do not constitute a serious sales obstacle.
  • the high compression of the insulation felt represents a very significant advantage in the storage of the insulation felt in the manufacturing plant, at the trading company and on the construction site. At the same time, this entails significant cost reductions in the transport of the light but voluminous insulation felt made of mineral fibers ,
  • insulation felts are not possible or only possible to a limited extent.
  • manufacturers of insulating materials made of mineral fibers therefore also offer the insulating felts insulating boards, which are characterized by more exact dimensions and which can generally place higher demands on the dimensional stability.
  • the permissible tolerances for insulation boards made of mineral fibers of application type W according to DIN 18165-1 "Thermal insulation materials, not pressure-resistant, e.g. for walls, ceilings and roofs" are significantly narrower than for application type WL and are only + 5mm or + 6 for the mean value of the sample % or - 1 mm; plus individual value deviations of ⁇ 5 mm.
  • the load for the thickness measurements is 0.1 kN / m 2 and there is no upsetting of the plate to be tested for relaxation.
  • a large number of insulation boards are combined to form a stack, the stack of insulation boards being provided with a covering and forming a packaging and / or transport unit.
  • the insulation boards in the packaging and / or transport unit are also subject to compression, which is primarily caused by the wrapping.
  • the compression of the insulation boards is lower than that of insulation felts and usually reaches a compression level of approx. 20 - 50% of the original material thickness.
  • Insulation boards are made with a slight excess thickness to ensure that to compensate for the subsequent compression and the creep and relaxation effects that occur during storage. The degree of possible non-destructive compression decreases with increasing bulk density.
  • Insulating materials made of stone fibers are less easy to compress than insulating materials made of glass fibers, since they have clearly different structures, which are essentially shown in the swirled shape of the short stone fibers, with the stone fibers already on the way from the Aggregate the defibration machine to the conveyor belt to form flakes. Because of this behavior, despite being opposite
  • the insulation materials made from it show, for example, very narrow fluctuations in raw density across the width of the production line and the height of the fiber web.
  • the arrangement of the individual mineral fibers within the fiber web is clearly different. With the insulation materials in question here with rel. With a low bulk density, the mineral fibers are arranged in the production direction at flat angles, occasionally at semi-steep angles to the large surfaces. On In contrast, a cross-section of the production direction shows a supposedly horizontal storage. Furthermore, the connection between the original layers of the primary fleece is generally weaker than between the individual mineral fibers within the same layer. The reasons for this are the reduction in the adhesive capacity of the binder in the surfaces of the primary fleece due to drying, loss of binder to the transport devices and also the presence of weakly bound or almost binder-free flat mineral fiber agglomerations.
  • the bulk density of insulation made of stone fibers can be reduced to approx. 22 - 25 kg / m 3 , whereby it should be noted that the net fiber mass in these insulation materials is only approx. 70%, the remaining shares are the finest unbound non-fibrous components, but they do not impair the mechanical properties.
  • the borders are fluid and are constantly being pushed by technical developments.
  • Rolling up the insulation felts is only possible if the structure is changed by rolling over once in the area of influence of a roller by loosening the bond, partially destroying the bandage or the mineral fibers.
  • the driven roller acts from above on the insulation felt conveyed on a belt. Since the insulation felts generally have a greater length than the usable width of the production systems, the conveyor and reel-up are identical. However, the action of the roller, which is often underdimensioned due to space constraints or due to lack of knowledge of the interrelationships, usually means that the surface of the insulating material that expands again after passing through the roller tears open, of course, preferably at the weak zones present.
  • a material-appropriate elasticization of fiber webs is described in DE 199 04 167 C1.
  • a device used for this purpose consists of a belt system which performs repeated increasing compressions and controlled decompressions of the fiber web or the insulating felt.
  • the insulation felt or the fibrous web is therefore spread evenly over the entire transverse cut elasticized, so that no damage occurs both when rolling up and unrolling.
  • Insulation boards made of stone fibers are manufactured with the usual dimensions of 1 or 1, 2 m length x 0.6 or 0.625 m width in thicknesses of approx. 20 - approx. 240 mm. These insulation boards are combined into packaging units which, for handling reasons, have a weight of max. 20 kg and limited to heights of approx. 40 to approx. 60 cm.
  • the insulation boards which are combined in a stack and with their large surfaces lying next to one another and having a vertical and / or horizontal orientation with respect to the large surfaces, are initially lengthened an envelope, for example in the form of a tensile film made of plastics, paper; Composite films of paper and plastics, metal, paper and / or plastics; Nonwovens made from natural or synthetic fibers or similar suitable materials. Films made of polyethylene, in particular in the form of shrink films, are used very frequently.
  • the stack is now compressed so far that, taking into account the expansion or the play of the casing, the packaging unit ultimately has the desired degree of compression in height.
  • the deformations of the insulation panels that occur in the process decrease very greatly from the outside inwards.
  • the ends of the wrapping are now connected to one another in a force-locking manner, and welded to one another in the case of thermoplastic films.
  • the wrapping must now be placed around the compressed stack of insulation boards in a form-fitting manner in order to avoid a strong increase in the pre-compression and thus irreversible damage to the structure of the insulation boards.
  • the covering on the end faces must protrude, better still be led around the edges in order to protect the edges of the insulation boards.
  • the wrapping can be shrunk completely or in suitable zones by means of thermal energy.
  • the plates arranged on the outside of the stack are significantly compressed and deformed.
  • the insulation panels arranged in the middle area of the stack are hardly or only deformed in the elastic range when the stack is compressed, these insulation panels may force the two exterior insulation panels between themselves and the covering, in particular if the storage time is long.
  • the result is irreversible changes in shape and regular shortfalls in the nominal thickness of all insulation boards of the stack, but especially of the two outer boards.
  • the insulation boards as well as the insulation felts can be manufactured from the outset with excess thickness. However, this reduces the economic efficiency of the manufacturing process without reliably eliminating the disadvantages.
  • the invention is based on the object of specifying a method for producing a packaging and / or transport unit, such a packaging and / or transport unit and an insulation board, in which or in which the aforementioned Disadvantages are avoided and in particular a packaging and / or transport unit that is easy to handle and provided with sufficient stability is formed.
  • the solution to this problem provides, in a method according to the invention, that the individual insulation boards of a stack are compressed before being arranged in the stack and then decompressed in a guided manner, so that the tension built up by the covering in the stack is applied to all of the insulation boards arranged and elasticized in the stack is distributed substantially evenly.
  • the insulation panels are elasticized by at least one compression acting on their large surfaces, so that a tension built up by the wrapping in the stack onto all those arranged and elasticized in the stack
  • the parallelepiped is particularly in the area of its large Particularly in the area of its large surface, it is compressed and preferably additionally decompressed in such a way that there is an elasticity which, when several parallelepipeds are arranged in a stack surrounded by an envelope, enables a uniform stress distribution of the compressive stress applied by the envelope in the stack to the individual parallelepipeds.
  • the method according to the invention allows insulation boards, in particular made of stone fibers, to be compressed uniformly without irreversible deformations in the packaging and / or transport unit.
  • the structure of the insulation boards is subjected to a compression, preferably repeated several times, which may increase with each further step, with subsequent decompression over the entire volume of the insulation board and loosened evenly so that no serious internal breaks or cracks occur in the insulation board, essentially, however, the forces required for deformation over the height decrease significantly.
  • the elasticization can be effectively supported by an additional longitudinal compression of the insulation board in the area of the decompression zone.
  • the conveying speed between an upper and a lower belt or corresponding rollers for acting on the large surfaces can be different.
  • the resulting shift between the upper and lower large surface of an insulation board should be limited to approx. 5 - 50 mm in relation to the 1 m length of the insulation board, depending on the thickness of the insulation board.
  • the method according to the invention can be carried out with devices which are equipped with rollers. Due to the possibility of additionally using height-adjustable rollers, the insulation boards with their linear zones of weakness can be conveyed through the system perpendicular to the roller axes, i.e.
  • the insulation panels have significantly higher tensile strengths in the surface zones and corresponding tensile and flexural tensile strengths.
  • the resistance to longitudinal compression in this direction of conveyance is significantly higher, so that the degree of compression here has to be narrowly limited or carefully graded in order to avoid destruction.
  • the throughput of the device provided for the method according to the invention for the elasticization of the insulating boards corresponds to the production output of the manufacturing plant for insulating boards provided for the production, so that the additional elasticization of the insulating boards does not result in a significant increase in the manufacturing costs.
  • a discontinuous device is suitable for a particularly gentle elasticization of insulation boards, in particular at the upper limit of the raw density range in question, in which two or more insulation boards are moved onto a lifting table and are subjected to one or more compression and decompression cycles between two pressure stamps.
  • This device can be operated, for example, with a frequency of up to several hearts, so that it is particularly suitable for producing insulating boards with different degrees of elasticity in regular alternation.
  • Mechanical elasticization cannot, of course, have a selective effect on the differently rigid volume units within the insulation board to be elasticized. In order to avoid accidental destruction of the structure, the action is gradually increased if possible and repeated relatively often.
  • thermosetting binder acts on the thermosetting binder and thus reduces the rigidity, in particular of the clod-like volume units rich in binder. This results in a more even and faster reaction of the structure to mechanical action.
  • water vapor can be pressed or sucked directly behind a hardening furnace through the still warm insulation panels. These plates are then mechanically elasticized.
  • the insulation panels behind the hardening furnace are again not cooled, but stacked warm, for example on pallets.
  • the autoclaves are usually operated in pairs in order to use each other's waste heat. Due to the hydrothermal treatment, the insulation boards are initially damp, but dry themselves after a short period of storage or are dried with the help of air drawn through them.
  • the elasticized insulation boards are stacked on top of one another according to the size of the desired packaging units. Although the forces required for compression have now been significantly reduced, the insulation materials do not behave like a continuum, i.e. the compression is different over the thickness of each individual insulation board and thus to a greater extent over the height of the stack. This effect is countered by combining insulation boards with different levels of elasticity in one stack.
  • the insulation panels lying inside the stack are more elasticized than the insulation panels arranged further out, in particular than the two insulation panels arranged in the edge of the stack. This initially reduces the deformation forces required when compressing the packaging and / or transport unit and subsequently also the internal stresses in the packaging and / or transport unit. The pressure on the outer insulation boards is reduced and thus the degree of deformation of these insulation boards.
  • the external insulation boards can be designed with a higher bulk density.
  • the stack is then coated with foils made of plastics such as polyethylene, polypropylene, polyvinyl chloride, PA, paper, composite paper foils with metal or plastics, and non-diffusion nonwovens made of thermoplastic mineral fibers.
  • the thicknesses of the thermoplastic films are approx. 70 - 120 ⁇ m.
  • the wrapping usually takes place around the longitudinal axis of the stack. It should extend well beyond the edges of the stack to allow free expansion to avoid individual areas, especially the ends of the insulation boards.
  • the stackability and the visual appearance of the packaging and / or transport unit are significantly improved if the wrapping is guided around the front ends of the insulation boards.
  • the stack can be provided with one or in each case an externally arranged, inherently rigid cover layer made of, for example, cardboard or plastic molded parts, which lead around the longitudinal edges.
  • cover layer made of, for example, cardboard or plastic molded parts, which lead around the longitudinal edges.
  • These top layers can be reduced to longitudinal corner protection brackets.
  • the corner protection brackets are put on, glued or clipped on.
  • the stack is now compressed together with the wrapping that is still open. Then the ends of the sheathing are non-positively connected. In order to compensate for the play in the wrapping, the stack can be compressed to the desired extent.
  • the ends of shrink-film sheets can be welded together.
  • the covering can then be shrunk on by a thermal treatment, in particular the in
  • the foils damaged by the welding in the microstructural area along the weld seams are easily torn open. Suitable foils with sufficient overlap must be glued here. Alternatively, the more or less compressed stacks are inserted into tubular films, which naturally do not have any welded or glued seams.
  • Thermoplastic films expand over time under tension.
  • the wrappings are wrapped with tear-resistant tapes, shrink-wrapped or glued or covered with tear-resistant adhesive tapes for better recycling.
  • the packaging and / or transport units are placed on edge, if possible, to avoid additional loads e.g. to avoid in large containers. Since the sides of the insulation panels are not elasticized, this results in a stable position of the individual packaging and / or transport unit.
  • the approx. 6 - approx. 20 kg, preferably approx. 8 - 13 kg heavy packaging and / or transport units have handles. This prevents the packaging and / or transport units from being damaged when improperly tampered with in the partially open end faces, so that the packaging and / or transport units available on the market offer an unsightly sight, which is a sales obstacle even when the technical Properties of the insulation boards are not affected.
  • At least one tear-resistant broad band is shrunk or glued onto the covering in the longitudinal direction of the insulation boards or the stack.
  • Adhesive tapes are also suitable for this. With the aid of these tapes, which are arranged, for example, in the region of the partially open end faces, the packaging and / or transport unit can be gripped in the region of the end faces without there being any risk of damage to the wrapping in this region.
  • the handles or carrying aids prevent the packaging and / or transport unit from being ground over the floor, in particular on construction sites, as a result of which the strongly tensioned casings are damaged and quickly damaged in the event of external damage, for example when touching scaffolding parts opens up and the stack falls apart. remedy creates the attachment of the carrying aids on the narrow sides of the packaging and / or transport unit, which are favorably reduced by the compression.
  • Each flap can be reinforced by cardboard strips loosely inserted, but also fully or partially on or glued in or thicker foils, preferably in the area of the central engagement hole or slot. Likewise, one or both cover layers can be extended around one of the two side surfaces up to these tabs.
  • the carrying aids can be attached to both ends of the packaging and / or transport units.
  • the tab is arranged off-center, for example in the vicinity of one of the large surfaces of the packaging and / or transport unit.
  • these can also be arranged offset from one another.
  • Figure 1 is an insulation board in perspective view.
  • FIG. 2 shows a first embodiment of an elasticizing device for an insulation board according to FIG. 1 in a side view
  • FIG. 3 shows a second embodiment of a device for the elasticization of an insulation board according to FIG. 1;
  • FIG. 4 shows a diagram with compression and decompression cycles for the elasticization of an insulation board according to FIG. 1;
  • FIG. 5 shows a packaging and / or transport unit for insulation panels according to FIG. 1 in a view
  • FIG. 6 shows the packaging and / or transport unit according to FIG. 5 in a sectional side view
  • FIG. 8 shows the packaging and / or transport unit according to FIG. 7 in a second position during its manufacture
  • FIGS. 5 to 9 shows an alternative embodiment of a packaging and / or transport unit according to FIGS. 5 to 9 in a perspective view
  • 11 shows a further alternative embodiment of a packaging and / or transport unit according to FIGS. 5 to 9 in a perspective view.
  • An insulation board 1 shown in FIG. 1 is designed as a parallelepiped and has two large surfaces 2 aligned parallel to one another and spaced apart from one another, the longitudinal sides 3 arranged at right angles to the large surfaces 2 and at right angles to the large surfaces
  • the narrow sides 4 determine the width of the insulation board 1 and run during the production process of such insulation board 1 at right angles to the conveying direction of the insulation board 1, while the long sides
  • the insulation board 1 consists of mineral fibers, which are obtained in a process known per se from a silicate melt in a defibration unit and are then deposited on a conveyor device with the addition of binders and impregnating agents.
  • the mineral fibers form a primary fleece on this conveying device, which is leveled to a secondary fleece in further processing stations.
  • the insulation panels 1 are produced from this secondary fleece, which can be compressed in further processing stages and cut at the longitudinal edges.
  • the arrangement of the individual fibers is significantly different within the secondary fleece. Essentially, the individual fibers in the secondary nonwovens in question with a relatively low bulk density in the production direction are arranged at flat angles, sometimes at semi-steep angles to the large surfaces 2. An arrangement of the individual fibers in horizontal storage is shown perpendicular to the production direction. In FIG. 1, interfaces 5 of the layers of the original primary fleece can be seen.
  • the insulation board 1 shown in Figure 1 is to be elasticized for reasons to be explained below. For this purpose, a device 6 shown in FIG. 2 is provided for the elasticization of the insulation board 1.
  • Each set of rollers 8, 10 is divided into a compression zone and a decompression zone.
  • the compression zone is characterized by two sections 12 and 13, the distance between the rollers 9, 11 of the roller sets 8, 10 decreasing in the direction of the arrow in section 12 and the distance of these rollers 9, 11 being kept at one size in section 13 which essentially corresponds to the distance between the last two rollers 9, 11 of the section 12.
  • the insulation board 1 is thus compressed from its original material thickness in the first section 12 to a reduced material thickness.
  • the compression of the insulation board 1 is maintained.
  • the decompression zone then adjoins the second section 13 of the compression zone with a section 14 in which the compressed insulation board 1 is checked and relaxed to its original material thickness. Due to a reduced rotational speed of the rollers 9 and 11 in the section 14 compared to the rotational speed of the rollers 9 and 11 in the roller sets 8 and 10 of the sections 12 and 13, a longitudinal compression of the insulation board 1 is also carried out.
  • the insulation board 1 is elasticized by the device 6 described above.
  • the rollers 9 and 11 are arranged height-adjustable in storage racks, not shown, so that insulation boards 1 of different material thickness can be processed, or insulation boards 1 of the same material thickness can be elasticized differently by different compressions and decompressions.
  • the elasticization of the insulation boards 1 is due to the fact that the linear zones of weakness of the insulation boards 1 are aligned transversely to the axes of the rollers 9 and 11 and thus mostly run in the longitudinal direction of the insulation boards 1. In this direction, the insulation panels 1 have a significantly higher tensile strength in the areas of the large surfaces 2 and corresponding tensile and bending tensile strengths in their structure.
  • the resistance of the insulation panels 1 to longitudinal compression in this direction is significantly higher, so that the degree of longitudinal compression must be narrowly limited and carefully graded in order to avoid destruction. Due to the individual arrangement of the rollers 9 and 11 relative to the central axis of the insulation board 1, the large surfaces 2 can also be loosened.
  • the device 6 described above enables a continuous elasticization of insulation boards 1, so that such a device 6 can be integrated loss-free in existing production systems.
  • FIG. 1 An alternative embodiment of a device 6 for the elasticization of insulation boards 1 is shown in FIG.
  • This device 6 is used for a particularly gentle elasticization of insulation panels 1, in particular at the upper limit of the raw density range in question. It is a discontinuously operating device 6 in which at least one, but advantageously two or more insulation panels 1 on a lifting table 15 side by side are arranged and then subjected to one or more compression and guided decompression cycles with a support 16 opposite the lifting table 15.
  • the lifting table 15, which is arranged in the region of a conveyor belt 17, is arranged such that it can be moved in height relative to the conveyor belt 17 via a hydraulic or pneumatic cylinder 18.
  • the support 16 is via a further hydraulic or pneumatic cylinder 19 in their distance from the lifting table 15 can be changed, so that on the one hand it is ensured that the desired number of insulating boards 1 can be arranged between the lifting table 15 and the support 16 and on the other hand the necessary compression and decompression on the insulating boards via a pulsating movement of the pneumatic cylinders 18 and 19 1 is transferable.
  • the movement of the support 16 and the lifting table 15 can take place, for example, at a frequency of up to several Hertz.
  • the device 6 according to FIG. 3 is particularly suitable for forming the insulating boards 1 in alternation with different degrees of elasticity.
  • FIG. 4 shows an example of compression and decompression cycles as they are advantageously carried out on insulation boards 1.
  • the compression cycles are shown in the lower area of the diagram with the arrow K and the decompression cycles in the upper area of the diagram with the letter D.
  • the purpose of the above-described elasticization of the insulation boards 1 is that the insulation boards 1 in a packaging and / or
  • Transport unit can be arranged, which consists of a number of insulation panels 1, which are arranged to form a stack 20, the insulation panels 1 with their large surfaces 2 can be arranged horizontally or vertically in the stack 20. There is also the possibility of providing a combination of the horizontal and vertical arrangement of the insulation boards 1 in the stack 20.
  • This stack 20 is surrounded by an envelope 21, which consists of a shrink film.
  • the casing 22 is designed such that it completely surrounds the insulation boards 1 in the stack 20 by the shrinking process and at the same time applies pressure. If the insulation panels 1 are elasticized in accordance with the above description, the insulation panels 1 are compressed uniformly in the packaging and / or transport unit, so that damage and plastic deformations, in particular on the external insulation panels 1, due to excessive compression and rigidity of the internal insulation panels 1 are avoided.
  • FIGS. 5 to 10 Corresponding packaging and / or transport units are shown in FIGS. 5 to 10.
  • FIGS. 5 and 6 show a packaging and / or transport unit with a stack 20 of insulating boards 1 vertically aligned with their large surfaces 2.
  • the wrapping 21 lies over the entire surface on both large surfaces 2 of the external insulating boards 1 and also extends over the The entirety of the long sides 3 of the insulation panels 1 arranged in the stack 20.
  • two film sections 22 and 23 forming the envelope 21 are welded to one another, so that on the one hand a shorter connecting strap 24 and on the other hand a longer connecting strap 25 are formed.
  • the connecting flap 25 has a first weld seam 26 directly above the stack 20 and a second weld seam 27 at its free end, with reinforcing elements, for example plastic or cardboard strips, being able to be inserted into the weld seams 26, 27.
  • an incision 28 is cut in the middle as a handle opening between the weld seams 26 and 27.
  • Circular holes 29 are arranged on both sides of the incision 28 and are used, for example, to be able to hang the packaging and / or transport unit on the frame side.
  • these holes 29 are provided to give the handling person an opportunity to specifically grasp the packaging and / or transport unit and, for example, to pull it down from a stack of several packaging and / or transport units.
  • FIGS. 7 to 9 schematically show the manufacture of a packaging and / or transport unit in three steps.
  • Figure 7 shows the stack 20 consisting of four insulation boards 1, which are arranged with their large surfaces 2 adjacent to each other.
  • the stack 20 rests on a section 23 of the casing 1 and is covered on the upper side with a section 22 of the casing 21.
  • the stack 20 is compressed together with the covering 21 by pressure on the large surfaces 2 of the external insulation panels 1 until the sections 22 and 23 of the covering 21 according to FIG. 9 in the region of their ends which overlap in the longitudinal direction of the insulation panels 1 can be welded to the connecting straps 24 and 25.
  • This process can be accompanied by a shrinking process of the casing 21.
  • FIGS. 10 and 11 show further embodiments of a packaging and / or transport unit, which in turn have a stack 20 of a plurality of insulation boards 1 and a wrapping 21 consisting of a thermoplastic film.
  • the insulation boards 1 are aligned with one another with their large surfaces 2 and surrounded with the casing 21 in accordance with the above description in accordance with the arrangement in FIGS. 7 to 9.
  • the embodiment according to FIG. 10 has a supplementary, tear-resistant band 30 running in the longitudinal direction of the insulation panels 1, for example made of plastic, which completely surrounds the stack 20 and the envelope 21.
  • the tape 30 can be shrunk or glued to the sheath 21.
  • the task of the band 30 is to compensate for any expansion of the casing 21 due to the tensile stress.
  • the belt 30 significantly improves the stability of the packaging and / or transport unit, so that, for example, thinner foils can also be used as wrapping 21.
  • FIG. 11 shows a packaging and / or transport unit according to FIG. 10, but in which the stack 20 and the wrapping 21 are surrounded by two bands which run transversely to the longitudinal extent of the insulation panels 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Buffer Packaging (AREA)

Abstract

La présente invention concerne un procédé de réalisation d'une unité d'emballage et/ou de transport pour matériaux isolants en forme de plaques constitués de fibres minérales, plusieurs plaques de matériau isolant étant disposées de sorte que leurs grandes surfaces sont superposées, et formant ainsi une pile, et les surfaces des plaques de matériau isolant de la pile étant dirigées horizontalement et/ou verticalement, et les plaques de matériau isolant de la pile étant conditionnées en étant entourées d'un emballage et comprimées. Cette invention concerne également une unité d'emballage et/ou de transport destinée à des matériaux isolants sous forme de plaques constitués de fibres minérales, qui sont conditionnées sous la forme d'une pile et entourées d'un emballage, les grandes surfaces des plaques de matériau isolant de la pile étant superposées et dirigées horizontalement et/ou verticalement. L'invention a pour objet la mise au point d'un procédé de réalisation d'une unité d'emballage et/ou de transport et/ou la mise au point d'une unité d'emballage et/ou de transport correspondante, permettant notamment d'obtenir une unité d'emballage et/ou de transport ayant une bonne maniabilité et une stabilité suffisante. A cet effet, les plaques de matériau isolant individuelles d'une pile sont comprimées avec leur placement dans la pile, puis décomprimées de manière contrôlée de sorte que la tension imposée par l'emballage à la pile est répartie de manière sensiblement homogène sur toutes les plaques de matériau isolant rendues élastiques et disposées dans la pile.
PCT/EP2002/005345 2001-05-26 2002-05-15 Procede de realisation d'une unite d'emballage et/ou de transport pour materiaux isolants en forme de plaques constitues de fibres minerales, unite d'emballage et/ou de transport, et plaque de materiau isolant WO2002096756A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50201175T DE50201175D1 (de) 2001-05-26 2002-05-15 Verfahren zur herstellung einer verpackungs- und/oder transporteinheit für plattenförmige dämmstoffe aus mineralfasern, verpackungs- und/oder transporteinheit sowie dämmstoffplatte
AT02743015T ATE277818T1 (de) 2001-05-26 2002-05-15 Verfahren zur herstellung einer verpackungs- und/oder transporteinheit für plattenförmige dämmstoffe aus mineralfasern, verpackungs- und/oder transporteinheit sowie dämmstoffplatte
EP02743015A EP1390262B1 (fr) 2001-05-26 2002-05-15 Procede de realisation d'une unite d'emballage et/ou de transport pour materiaux isolants en forme de plaques constitues de fibres minerales, unite d'emballage et/ou de transport, et plaque de materiau isolant

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10125806.2 2001-05-26
DE10125806 2001-05-26
DE10146765A DE10146765B4 (de) 2001-05-26 2001-09-22 Verfahren zur Herstellung einer Verpackungs- oder Transporteinheit für plattenförmige Dämmstoffe aus Mineralfasern, Verpackungs- oder Transporteinheit sowie Dämmstoffplatte
DE10146765.6 2001-09-22

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WO2002096756A1 true WO2002096756A1 (fr) 2002-12-05

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Country Status (3)

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EP (1) EP1390262B1 (fr)
AT (1) ATE277818T1 (fr)
WO (1) WO2002096756A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110088004A (zh) * 2016-12-20 2019-08-02 易希提卫生与保健公司 压缩薄棉纸捆束的方法
EP1448828B2 (fr) † 2001-11-14 2020-04-08 Rockwool International A/S Matelas en fibres minérales
EP3765674B1 (fr) * 2018-04-04 2023-12-27 Rockwool A/S Barrière de sécurité de laine minérale remplissable avec un fluide

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3499261A (en) * 1968-04-26 1970-03-10 Owens Corning Fiberglass Corp Method and apparatus for handling and packaging material
US3908539A (en) * 1974-09-13 1975-09-30 Patco Packing Ltd Apparatus for automatically stacking and compressing batts of compressible material
NL8401630A (nl) * 1984-05-22 1985-12-16 Boral Ind En Handelsondernemin Werkwijze voor het verpakken van uit samendrukbaar materiaal bestaande matten.
US4799350A (en) * 1981-07-31 1989-01-24 Isover Saint-Gobain Process for packaging panels of a compressible material and the packages produced by this process
EP0618148A1 (fr) * 1993-03-30 1994-10-05 The Procter & Gamble Company Conditionnement compact comprenant une pile d'articles flexibles dans un manchon

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3499261A (en) * 1968-04-26 1970-03-10 Owens Corning Fiberglass Corp Method and apparatus for handling and packaging material
US3908539A (en) * 1974-09-13 1975-09-30 Patco Packing Ltd Apparatus for automatically stacking and compressing batts of compressible material
US4799350A (en) * 1981-07-31 1989-01-24 Isover Saint-Gobain Process for packaging panels of a compressible material and the packages produced by this process
NL8401630A (nl) * 1984-05-22 1985-12-16 Boral Ind En Handelsondernemin Werkwijze voor het verpakken van uit samendrukbaar materiaal bestaande matten.
EP0618148A1 (fr) * 1993-03-30 1994-10-05 The Procter & Gamble Company Conditionnement compact comprenant une pile d'articles flexibles dans un manchon

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1448828B2 (fr) † 2001-11-14 2020-04-08 Rockwool International A/S Matelas en fibres minérales
CN110088004A (zh) * 2016-12-20 2019-08-02 易希提卫生与保健公司 压缩薄棉纸捆束的方法
US11247794B2 (en) 2016-12-20 2022-02-15 Essity Hygiene And Health Aktiebolag Method of compressing tissue bundles
EP3765674B1 (fr) * 2018-04-04 2023-12-27 Rockwool A/S Barrière de sécurité de laine minérale remplissable avec un fluide

Also Published As

Publication number Publication date
ATE277818T1 (de) 2004-10-15
EP1390262A1 (fr) 2004-02-25
EP1390262B1 (fr) 2004-09-29

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