CA2366240A1 - Universal camouflage material for camouflage clothing and for camouflage - Google Patents

Universal camouflage material for camouflage clothing and for camouflage Download PDF

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Publication number
CA2366240A1
CA2366240A1 CA002366240A CA2366240A CA2366240A1 CA 2366240 A1 CA2366240 A1 CA 2366240A1 CA 002366240 A CA002366240 A CA 002366240A CA 2366240 A CA2366240 A CA 2366240A CA 2366240 A1 CA2366240 A1 CA 2366240A1
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CA
Canada
Prior art keywords
camouflage
layer
clothing
item
camouflaged
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.)
Abandoned
Application number
CA002366240A
Other languages
French (fr)
Inventor
Willi Bechtold
Adrian Wenger
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.)
LANZ-ANLIKER AG
Forbo Stamoid AG
Original Assignee
Individual
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
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Publication of CA2366240A1 publication Critical patent/CA2366240A1/en
Abandoned legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/02Overalls, e.g. bodysuits or bib overalls
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • A41D31/14Air permeable, i.e. capable of being penetrated by gases
    • A41D31/145Air permeable, i.e. capable of being penetrated by gases using layered materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/028Net structure, e.g. spaced apart filaments bonded at the crossing points
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/06Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H3/00Camouflage, i.e. means or methods for concealment or disguise
    • F41H3/02Flexible, e.g. fabric covers, e.g. screens, nets characterised by their material or structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/005Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using woven or wound filaments; impregnated nets or clothes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00Condition, form or state of the layers or laminate
    • B32B2305/38Meshes, lattices or nets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2437/00Clothing

Abstract

The invention relates to novel camouflage means for the camouflage of object s having a low or increased temperature, whereby said means can be used in a universal manner. A camouflage layer is preferably provided for the visible spectrum, i.e. the near, middle and far infrared and the radar wave spectrum . The camouflage layer (11) is provided with an adornment (15) that comprises a toothing structure (14). Furthermore, a camouflage material is provided whic h comprises at least one first layer for camouflage, preferably for the visibl e spectrum, i.e. the near, middle and far infrared and the radar wave spectrum . Said camouflage material also comprises at least one second layer for fixedl y holding the first layer.

Description

~ OOFORO110WOP
Forbo Universal camouflage material for camouflaged clothing and for camouflaging The invention relates to a camouflage layer, a camouflage material and a camouflaged item of clothing as claimed in the features of claims 1, 8 and 18, preferably for camouflage for the visible spectrum, the near-infrared, the mid-infrared and the far-infrared, and the radar wavelength spectrum.
Various camouflage layers are known, which are used for camouflaging different objects in the wavelength bands referred to above. In this case, these camouflage layers generally have a metal coating and a facing, which are intended to allow camouflaging both in the infrared spectrum and in the radar wavelength spectrum. Such camouflage layers are used, in particular, for capes or camouflaged covers. They are not generally suitable, however, for use in, for example, camouflaged suits or other items of clothing.
The prior art includes camouflage layers for camouflaging items of clothing, which camouflage layers are intended to provide camouflaging not only in the visible and infrared spectral bands but also in the radar wavelength band, and are in the form of imitations of shrubbery or leaves, of appropriate color. The described camouflage layers are available, for example, from Custom Concealment, Inc. and Teledyne Brown Engineering.
A particular disadvantage of the known camouflage layers is that the widely~spaced rats' tails or leaves impede the mobility of the wearer in the field while, furthermore, they are comparatively heavy and, moreover, cannot be packed up in a volume to fit a rucksack, or can be packed up in this way only with great difficulty. It has also been found that the camouflage layers which can be found in the prior art allow only inadequate camouflage in fact .and in particular against the infrared nightsight equipment which is nowadays readily commercially available.
The invention is thus based on the object of providing a universally useable camouflage layer, and universally useable camouflage material, which avoids the above disadantages while improving the camouflage effect, in particular in the infrared and radar bands.
This object is achieved in a highly surprising manner just by the features of claims 1 and 8.
By providing a camouflage layer for camouflaging, preferably for the visible spectrum, the near-infrared, mid-infrared and the far-infrared and the radar wavelength spectrum, wherein the camouflage layer has a facing and the facing comprises a toothed structure, and if, furthermore, a camouflage material is provided which has at least one first layer for camouflaging, preferably for the visible spectrum, the near-infrared, the mid-infrared and the far-infrared and the radar wavelength spectrum, and comprises at least one second layer to hold the first layer in a defined manner, camouflage media which can be used universally are provided for the first time for camouflaging not only cold or unheated objects but also heated, warmer objects.
In this context, reference is also made to Patent Application 198 16 707.5-15, whose complete contents are included here by way of reference.
The term facing for the purposes of the invention means a pattern cut into the camouflage layer.
In particular, the claimed camouflage layer has the advantage that, by laying the 'toothed structure such that it is stressed in tension, the tooth system is expanded from its closed form, with the inner tooth system being raised from the outer tooth system, or vice versa. The process of raising them from one another is achieved, inter alia, by the teeth being connected to one another at defined points and, as a result of this, being rotated or twisted relative to one another, in particular at the connection points.
_ Accordingly, the cuts which are made to form the facing or tooth system according to the invention may also be referred to as having a meandering shape.
The process of raising the tooth system can, however, also be achieved by the camouflage layer being bent, for example, at one edge or on some other body which is not flat, as a result of which the teeth are likewise raised relative to one another and with respect to the cut surface. The facing raising effect described above achieves two aims, in particular, in a highly advantageous manner. These aims are, firstly, an improvement in visual camouflaging, in that the raising of the teeth simulates natural branches and foliage and, secondly, the different extents to which the tooth system is raised, as a rule, make it possible to achieve different reflection angles, for example for radar beams, thus considerably improving the scattering effect of the camouflage layer. Furthermore, the process of raising and resetting the tooth system, depending on the camouflage layer position and the extent to which the camouflage layer is stretched, can be used to achieve better air flow through the camouflage layer according to the invention. This is because, for example, simply by buttoning onto the camouflage layer according to the invention, the opening and closing of the tooth system causes air to flow to an increased extent from the underneath of the camouflage layer, which in some circumstances is warmer, to above it, thus achieving temperature compensation.
In a further advantageous development of the subject-matter of the invention, the teeth in the toothed structure have a mushroom-like shape. In particular, the mushroom shape has the advantage that the mushroom head produces a comparatively large reflective area. Furthermore, the mutually engaging teeth are connected to one another via the respective lower surfaces of the mushroom heads in a simple way.
In addition, it has been found in practice that the mushroom-head structure also has a positive effect on the thermal properties of the camouflage layer, since the swirling of the air which this can produce on the surface of the camouflage layer ensures, in particular, that air is carried away better.
The air flow rate through the camouflage layer is thus improved. As a consequence of this, it is virtually impossible for, for example warmer objects located underneath it, to influence the temperature of the camouflage layer. The camouflaging capability is thus virtually uninfluenced by the temperature of the camouflaged objects. Furthermore, the improved dissipation of heat, as is obvious to a person skilled in the art, also achieves faster matching to changing weather conditions. Different tooth structures may, of course, also be used. Such tooth structures may, for example, also be tooth systems with spherical heads.
In this case, it has been found to be particularly advantageous with the camouflage layer according to the invention for the camouflage layer to comprise a polar fabric, a metal layer applied to the fabric, a polar polymer primer applied to the metal layer, and a camouflage topcoat applied to the primer.
The advantage of such a refinement of the camouflage layer is, in particular, due to the fact that the metal layer results in the primer penetrating through to the polar fabric. Such a penetrating arrangement is thus possible, according to the invention, since the fabric that is used and the primer that is used are both polar polymers. In this case, the polar polymers are chemically bonded to one another. In consequence, the metal which is applied directly onto the polar fabric is sheathed roughly in the form of a film to a greater extent than with a purely adhesive effect, and it is protected against both mechanical and chemical separation as well as being dissolved or washed out. In order to achieve such a surface bond, the polar polymer primer is used as a type of protective layer for the metal layer, which is preferably vapor-deposited. This primer is transparent, or at least partially transparent, in the infrared band: According to the invention, the fine fabric structure is optimally transferred to the metal layer, so that a large number of scattering dipoles are formed on the fabric surface, which lead to the camouflage layer having an optimum scattering effect. Furthermore, the way in which the layers engage in one another results in the fabric structure and the layer structure being solidified.
For strength reasons, it has been found to be useful for the fabric of the camouflage layer to preferably use a polar polyester. This is because polyester is particularly suitable due to a high level of chemical resistance and due to high strength in the fabric.
If the camouflage layer comprises a fabric composed of cotton or viscose staple, then adhesion of the metal layer on the fabric is advantageously achieved by the microporosity of the viscose staple or cotton. In this case, the metal layer is held firmly by channels in the threads or fibers.
The antenna effect described above is also advantageously influenced if, during .the manufacture of the polyester fabric for the camouflage layer, this fabric is produced with a titer of 280 dtex, a 1/1 binding cloth and a warp thread setting of preferably 17.5 threads/cm and a weft of 18.5 threads/cm which, of course, can be defined via these production parameters.
The parameters quoted above also offer the advantage that the camouflage layer according to the invention is comparatively light in weight. This~means that it can be used to produce entire overalls whose mass may even be less than approximately 2 kg.
Owing to its low thermal capacity, its heat dissipation capability and its high reflective or scattering capability, the camouflage layer structure described above also and in a particularly advantgeous manner has a very low intrinsic signature. In this _' - 6 -context, the term intrinsic signature for the purposes of the invention means the extent to which the reflection or emission characteristic of the camouflaged body differs from the changing reflection or emission characteristic of the natural environment.
For the camouflage layer according to the invention, this discrepancy is scarcely detectable, being about t2°C. It is thus now virtually impossible to resolve, in the time domain, the object camouflaged according to the invention by measurements at different times, for . example with different sunlight levels or in different weather conditions.
In an advantageous development of the subject matter of the invention, the camouflage layer furthermore comprises a microbiocide, which offers the advantage that it acts in a physiologically safe manner against both bacteria and mold. In this context the term safe should be understood as meaning that the legally stipulated load levels are complied with, so that personnel can come into contact with the camouflage layer even over a lengthy period of time.
Tetrachloro(methylsulfonate)pyridine has in this case been proven to be a demonstrably suitable microbiocide for complying with the national requirements. However, tetrachloropyridine furthermore also has the advantage that it has particularly good characteristics, in particular, in conjunction with the polymers that are used.
A further advantageous embodiment according to the invention comprises, inter alia, the camouflage layer described above having at least one associated second layer in order to hold the camouflage layer in a defined manner. The advantage of such a combination is, inter alia, that this increases the tearing strength of the camouflage layer. Furthermore, the connection between the camouflage layer and the second layer allows intermediate spaces to be created which at least provide a certain air cushion, so that the heat emitted from an object to be camouflaged is not transmitted _ _ 7 _ directly to the camouflage layer, or is transmitted to it only in a reduced form. The thermal insulation resulting from this accordingly prevents the camouflage layer from being matched to the temperature of the body to be camouflaged, and thus contributes to its delocalization.
In an advantageous development of the subject-matter of the invention, the first camouflage layer is connected to the second layer via a quilted seam. The yarn used in this case is likewise preferably composed of high-strength polyester. The advantage of such a connection is, in particular, that, while being matched to the facing structure, the second layer can be specifically and securely attached to the camouflage layer. In this case, possible hazardous material vapors which would occur, for example, if the layers were bonded, are avoided, and the sewing does not limit the camouflage effect.
Stepping the camouflage layer with respect to the second layer allows volumes to be formed between the camouflage layer and the second layer in a highly advantageous manner, which volumes, as already described above, provide a certain amount of air separation and can thus act, in the form of air buffers, as thermal reservoirs or buffer zones and/or insulation buffers.
In one preferred embodiment, toothed structures which preferably lie parallel to one another and are separated by non-meandering areas are located on the camouflage layer. The quilted seams in this case likewise run parallel to one another in the areas without any facing and, accordingly, likewise lie parallel to one another. The stepped width of the camouflage layer and of the second layer are, however, in this case matched to one another so that the spreading capability, described above, of the toothed structure and the positive camouflage effects associated with it are retained. However, conversely, this also means that a yield limit can be defined over the second layer, which advantageously contributes to the camouflage layer not tearing, even when severely loaded, when the camouflage material according to the invention is stretched. In this case, the stepped area of the second layer is the area which is located between two seams, and is larger than the corresponding area of the camouflage layer. The width difference which results in this way then essentially governs the stretching range or the yield limit of the camouflage layer.
The stepping described above and the creation of buffer zones linked to it have, in addition to the already-mentioned advantages, the highly positive characteristic that the stepped volume areas cannot be changed by stretching, pressing or by the camouflage material being placed on a surface, so that this results in a pumping effect which promotes the air flow through the camouflage material and air convection and thus, for example, can lead to improved dissipation of heated air from underneath the camouflage material. The buffer zones that are provided, in particular in conjunction with the facing already described above, also offer ideal air movement characteristics which essentially prevent any buildup of heat in the air under the camouflage material according to the invention.
In a further highly advantageous development of the subject-matter of the invention, the second layer comprises a mesh fabric. In this case, the size of the openings in the mesh is preferably designed such that, firstly, the pumping effect defined above is retained and, secondly, however, the air permeability through the camouflage material is enhanced, so that the air flow rate, and thus the thermal dissipation through the camouflage material, are even further increased. The mesh fabric has a particularly positively noticeable effect in conjunction with the pumping effect, for example, when the camouflage material is used for a camouflaged item of clothing. Since a person who is _ g _ wearing camouflaged clothing cut from the camouflage material according to the invention is generally always moving in some way and, in the process, the camouflaged clothing is pressed against the body in a changing manner, heated air close to the body can be transported quickly and simply out of the camouflaged clothing by particular use of the pumping effect according to the invention. Essentially, it is possible to avoid heat building up under the camouflaged item of clothing, and any heating of the camouflage fabric resulting from this. In this case, the described swirling caused by the facing in the form of mushrooms also has a particularly positive effect.
In one specially preferred embodiment of the camouflage material according to the invention, the first layer has domed regions, facing away from the second layer, between the quilted seams. In an advantageous manner, the domed regions are produced by the stiffness of the camouflage material itself. This camouflage material is preferably intended for camouflaging personnel. With stepped camouflage material, the distance between the quilted seams along the second layer is approximately half the distance at which the quilted seams were produced. The self-stressing or folding of the camouflage material achieved in this way advantageously results in the capability to increase the heat dissipation or heat supplied by convection. The domed regions which run parallel to the quilted seams may be roughly in the form of arcs. However, the invention also covers a camouflage material in which the domed regions have areas which meet one another at an acute angle between the quilted seams. With such a camouflage material, the areas which are at the same time limb areas of a triangle each contain the facing structure. According to the invention, the composition and/or the production process allow/allows domed regions or folds of different geometries to be produced between the quilted seams.

_ - 1~ -In principle, various materials, such as cotton, may be used for the mesh fabric. However, polyester has advantageously been found to be particularly suitable, owing to its high load capacity or strength.
As already mentioned above, the camouflage material according to the invention is particularly suitable for 'use in a camouflaged item of clothing according to the invention. In this case, it is possible to use not only the said pumping effect usefully, but also the characteristic of the camouflage layer that the toothed structure is designed in such a way that the teeth, or the mushroom-shaped teeth, are also spread apart from one another on curved surfaces and, in the process, can produce their camouflaging capability completely, in particular in the visible band and in the radar band.
In this case, the camouflage material can be used in a preferred manner for tailoring an integral camouflaged item of clothing or a suit comprising trousers and a jacket, thus allowing essentially whole-body camouflaging to be achieved. To assist the camouflage effect, and/or to make it perfect, the camouflaged item of clothing according to the invention has separately tailored areas. Such areas are located essentially wherever the body can be expected to produce an increased amount of heat.
As a consequence of this, the integral camouflaged item of clothing according to the invention, or the suit according to the invention, has a bridging area in the armpit area which prevents the buildup of heat that frequently occurs there from happening, while air convection also takes place in this area. These bridging areas have a shape similar to a triangle in the make-up of the integral or two-piece camouflaged item of clothing according to the invention, which shape extends in the form of a wedge into the armpit area and thus, in a highly advantageous manner, creates a thermal link or coupling between the chest area and the arm area.
In order furthermore to prevent heat from being transmitted to the suit when the suit is being worn, cushioning (which provides thermal insulation as an intermediate layer between the body and the suit) is introduced wherever the suit is in relatively close contact with the body owing to the physiognomy. Such inserts are particularly advantageous where said areas coincide with areas of the body from which increased heat emission can be expected.
Without any adverse effects on the camouflaging capability of the camouflaged item of clothing according to the invention, this item of clothing comprises a comprehensive zip fastener system, which preferably extends to the head and/or the upper body and/or the legs and/or the arms of the integral or two-piece camouflaged item of clothing. In particular, this zip fastener system firstly makes it easier to put the camouflaged item of clothing on when, as is generally the case, the camouflaged item of clothing is put on while wearing clothes underneath and, secondly, the zip fasteners are used to fold up and to tie the camouflaged item of clothing in such a way that it can be carried like a rucksack. The size of the folded-up camouflaged item of clothing is, in this case, so compact, however, that it can also very easily be accommodated in a rucksack. Using the camouflage material according to the invention, the camouflaged item of clothing has a mass of only approximately 2 kg.
In a further preferred further development of the camouflaged item of clothing, the so-called cords, which are preferably fitted to the camouflaged item of clothing at the ends of the arms and legs and in the chest are have two functions, corresponding to those of the zip fasteners. In this case, the cords represent a cord tightening system using which both the width and the length of the foot ends and leg ends of the camouflaged clothing can be reduced, so that the cut of the integral or two-piece camouflaged item of clothing can be matched to different body sizes. However, their double function can also be used to tie the camouflaged item of clothing up in a compact form. One particularly preferred camouflaged item of clothing according to the present invention is distinguished by the fact that the camouflage material is fitted flat to the mesh fabric in an armpit area and/or on the insides of the leg areas. This results in the particular advantage that the person wearing the camouflaged item of clothing can move without making any noise.
The invention likewise provides a camouflaged item of clothing which is cut as a poncho or cape. In this case, a hood section is likewise connected, either permanently or detachably, to the poncho. The camouflaged poncho advantageously has a fastening system in the chest area, which fastening system may be in the form of a zip fastener or a Velcro-type fastener, or may also be row of buttons.
In a further advantageous development of the camouflaged item of clothing according to the invention, this item of clothing has access openings which can be closed and via which it is possible to access the clothing located underneath and, for example, pockets in it.
The invention will be described in the following text using preferred exemplary embodiments and with reference to the attached drawings, in which:
Figure la shows a detail of the front view of the camouflage material according to the invention, in unstressed state, Figure 1b shows the mushroom structure of the facing, Figure lc shows a cross-sectional illustration at right angles to the stepped webs of the camouflage material according to the invention, Figure 1d shows the camouflage material according to the invention and as shown in Figure la, in the stretched state, Figure 1e shows a further embodiment of the camouflage material according to the invention, illustrated in perspective, Figure 2a shows a front view of one half of a camouflaged item of clothing according to the invention, Figure 2b shows a rear view of one half of the camouflaged item of clothing according to the invention and as shown in Figure 2b, Figure 2c shows a detail of the shoulder part of the camouflaged item of clothing according to the invention, Figure 2d shows a front view of a portion of the two part version of a camouflaged item of clothing according to the invention, Figure 2e shows a partial front view of a further embodiment of the camouflaged item of clothing according to the invention.
Figures la to 1e will in this case be referred to first of all. Figure la shows a detail of the camouflage material 1 according to the invention, in an unstressed state. The camouflage material 1 comprises an outer material layer 11 and an inner material layer 12, which points toward the object to be camouflaged, see Figure 1. The two material layers 11, 12 are connected to one another by means of seams 13, producing a camouflage material 1 with a stepped appearance. The stepping forms a web structure or fields on the camouflage material. In this case, the cut facing 15 of the camouflage layer 11 runs in the webs . The cut pattern of the facing 15 forms a toothed pattern 14. In this case, the teeth~l6 are shaped like mushrooms. In order to illustrate this situation, reference should be made to Figure 1b, in which the mushroom-shaped inner tooth system 16b and outer tooth system 16a are shaded. In this case, the inner tooth system 16b, which is formed from a chain of mushroom teeth which alternately project upward and downward, engages in the outer tooth system 16a. The inner tooth system 16b and the outer tooth system 16a do not just engage in one another, however, but are also connected to one another at points at the junction or connecting points 17. In the illustrative sense, these are precisely those points at which the lower faces of the mushroom heads 16c come to rest above the toothed system.
It can be seen from Figure lc that the inner material layer 12 is stepped with respect to the outer camouflage layer 11 in such a way that, when not stretched, that is to say when no prestress is applied to the camouflage material 1 at right angles to the seams, the inner material layer 12 forms a domed region between the seams. The size of the domed region in this case governs the air buffer which is formed between the camouflage layer~and the inner layer. Furthermore, the yield limit d+x and the possible stretching width x are defined over the stepped width of the inner layer 12.
The inner layer 12 in this case preferably has a honeycomb or mesh fabric composed of polyester in order to allow air to pass through the camouflage material 1 better.
When the camouflage material 1 is in the unstretched state, Figure la, the structure 14, which is toothed like mushrooms, is essentially in the same plane as the material layer 11. If a force is now applied transversely with respect to the seams 13, then the outer tooth system 16a is pulled outward in the direction of the seams 13. In this case, a driving effect is also produced on the inner tooth system 16b, via the connection points 17. However, since this acts on the inner tooth system 16b from both sides, the width of said inner tooth system 16b is stretched. The stretching of the inner tooth system 16b is, however, in this case shorter than the overall stretching process, so that, for compensation, the mushroom heads 16c of the inner tooth system 16b and of the outer tooth system 16a are raised and lifted from their planar position.

'_ - 15 -The mushroom heads 16c are also raised when the _ camouflage material is held, for example, on an oblique edge, and the mushroom heads are in this way lifted out of the plane of the camouflage material. In order to allow these two effects to be achieved to the same extent, it is important that the junction points 17 be chosen to be of the right size so that, firstly, it is possible for the heads 16c to twist with respect to one another and, secondly, the stiffness of the connection is not excessive, so that mutual raising remains possible on bending.
Figure 1d shows the camouflage material 1 in a state where it is stretched by x transversely with respect to the quilted seam. As can be seen, the mushroom-like toothed structure 14 has ceased to be closed, that is to say it has raised itself outward.
However, what cannot be seen from the figure is the important fact that, due to the stretching process, the stepped spatial buffer has changed its size, as a result of which a type of pumping effect occurs, which conveys the air faster through the camouflage net according to the invention.
A further embodiment of the camouflage material 1 according to the invention, shown in Figure 1e, has domed regions 18, folded into a triangular shape, between the quilted seams 13. In this case, the limbs 18a and 18b of the domed regions 18 each intersect in a fold 18c, like a ridge and running parallel to the quilted seams 13. Distances 19 between the quilted seams 13, measured along the inner layer 12 which is preferably in the form of a large-mesh fabric, correspond approximately to half the sum of the widths of the limbs 18a and 18b. The domed regions 18 and the inner layer 12 each surround cavities 19, used for ventilation, between the quilted seams 13.
The following text refers to Figures 2a to 2e, with Figures 2a to 2c being to a different scale to that used in Figures 2d and 2e. Figure 2a shows an integral camouflaged item of clothing 2 which is _- - 16 -produced from the camouflage material 1 described above and which allows extraordinary good camouflage not only in the visible band but also in the infrared band and in the radar wavelength spectrum. Figure 2a shows the front view of a part of the camouflaged item of clothing 2 just mentioned. As can be seen from the drawing, the camouflaged item of clothing 2, which is in the form of an overall, comprises a hood part 21, two arm parts 22, only one of which is shown, a trunk part 23 and two leg parts 24, only one of which is shown, once again. The hood part 21, the arm parts 22 and the leg parts 24 are sewn to the trunk part 23, and are thus integrally connected to it.
The hood part 21 has a viewing opening 21a in whose opening edge a cord 21b has been sewn, in such a way that it can move such that it allows the hood width or the field view area to be varied. As is known for such situations, ends of the cord 21b are provided with protection against unraveling and with a cord stopper, to prevent the cord 21b from accidentally being pulled out of the cord guide 21a. As already mentioned, the hood part 21 is preferably sewn to the front part 23 but, if required, it may also be fitted to the trunk part 23 by other devices, for example by means of a Velcro-type fastener or zip fastener, or in some other way.
As can be seen in Figures 2a and 2b, the arm parts 22 are preferably fitted to the trunk part 23 in the same way as that described above for the hood part 21. Where the arm part 22 joins the trunk part 23, the arm part 22 is preferably cut to be particularly wide at the level of the armpit. In this Case, the cut shape fixes a wedged-shaped cutout 26 in the armpit. This produces a thermal bridge between the arm, armpit and body area. Since the camouflage material is guided over the armpit in this way, it is impossible for heat to build up at this particularly warm point, and then to be transferred to the camouflage material, making at least this point visible in an infrared image.

The ends of the arm parts 22 toward the hands have two sewn-on strips 22a, 22b, through each of which a moving cord is passed, with protection against unravelling and with a cord stopper. By folding the ends of the arm parts 22 that are toward the hand inward and pulling on the cords, the length of the arm parts 22 can be matched to the arm length of the person wearing the overall 2. The arm parts 22 furthermore each have a zip fastener 25, which extends from the end opposite the trunk, over the entire length of the lower side of the respective arm part 22 and over the trunk part 23 to the end of the respective leg part 24.
As has already been described above, the leg parts 24 are integrally connected, without any seam, to the trunk part 23 in an advantageous manner. The ends of the leg parts 24 toward the feet have, in the same way as the arm parts 22 described above, two sewn-on strips 24a, 24b, through each of which a cord is passed, with protection against unravelling and a cord ~20 stopper. By folding the ends of the leg parts 24 which face the feet inward and pulling on the cords, the length of the leg parts 24 can also in this case be matched to the leg length of the person wearing the overall 2. Furthermore, in the hip area and on the front of the thigh, the leg parts 24 respectively have an access opening 24c and 24d, in order to reach the pockets in trousers which are worn by a wearer and are located under the overall 2. The access openings can preferably be closed by means of Velcro-type fasteners.
In one preferred embodiment, the camouflage material is fitted flat onto the mesh fabric, preferably being sewn on, on the inside of the leg, approximately in the crotch and in the armpit area.
On the shoulder section, that is to say at the junction between the hood part 21 and the arm parts 22, the trunk part 23 has a shoulder pad 23a, which is in the form of a saddle, can best be seen in Figure 2c, and is preferably composed of highly thermally insulating foam material. The foam material makes it .. _ 18 _ impossible for the body heat developed there to be transmitted directly to the overall 2, which is in very close contact at this point. Foam material is particularly suitable for this purpose since it has no negative effect on the camouflage material pumping effect described above.
Roughly at navel height, the trunk part 23 has a strip 23b incorporated in it, through which a cord can likewise be passed. The ends of the cord are once again provided with protection against unraveling and with a card stopper. The trunk part 23 furthermore has a zip fastener 23c arranged on the front, which extends roughly from the crotch to the hood part 23, in order to make it easier to put the overall 2 on. In this case, the zip fastener system is also used, overall, to improve the way in which the overall 2 is joined together.
In one preferred embodiment, the camouflaged item of clothing 3 which is designed in two parts as a suit and is shown in Figure 2d has face protection 31, which essentially covers the wearer's mouth and nose area. The face protection 31 can in this case be attached to the inner sides of the hood part 21 by a Velcro-type or zip fastener. However, a permanent sewn joint and/or a combination of such a joint with a zip fastener or Velco-type fastener is also conceivable.
The invention also provide s for an additional mesh fabric, preferably made of cotton, to be sewn in in the navel area 33 of a jacket, at the end 34 of the arm part 22 facing the hand and in the neck section 35 of the hood part 21. Such additional mesh fabric is likewise provided at the foot ends 36 and in the lower leg area 37 of trousers 38. Cords 39a to 39e, which are used to match the suit 3 to different sizes, are then connected to the respective additional mesh fabric, for example being threaded in. The cords 39a to 39e are passed through respective openings 40a to 40e to the outside . The appropriate cords can be pulled, to adapt the size, via end pieces 41a to 41e, which are fitted to the cords 39a to 39e.
The invention likewise provides a poncho-like camouflaged item of clothing 4 as shown in Figure 2e.
This camouflaged poncho 4 can preferably be fastened by a row of buttons 41 fitted to the chest section 42.
This camouflaged poncho 4, which has the camouflage material according to the invention on its outside, has access openings 43, fitted at the sides, in the lower chest section 42.
All the advantages described above of the new type of camouflage come to bear in particular when the camouflage material according to the invention is used for camouflaged clothing. Not only is the pumping effect or stretching effect particularly useful when someone is moving, but it has also been found that the natural shapes of the body cause the meandering or mushroom-shaped toothed system 14 to cease to be closed, thus leading to the desired protection.
Finally, it is self-evident that the individual features of the invention may also be used in combinations other than those described.

Claims (27)

-20-
1. A camouflage layer (11) for camouflaging, preferably for the visible spectrum, the near-infrared, the mid-infrared and the far-infrared, and the radar wavelength spectrum, wherein the camouflage layer (11) has a facing (15) and the facing comprises a toothed structure (14).
2. The camouflage layer as claimed in claim 1, wherein the facing section (15) is guided in such a way that the inner tooth system (16b) can be disconnected from the outer tooth system (16a) by stretching and/or bending the camouflage layer.
3. The camouflage layer as claimed in claim 1 or 2, wherein the inner and outer tooth systems (16a) are designed with a mushroom shape.
4. The camouflage layer as claimed in one of claims 1 to 3, wherein the camouflage layer furthermore comprises a polar fabric, a metal layer applied to the fabric, a polar polymer primer applied to the metal layer, and a camouflage topcoat applied to the primer.
5. The camouflage layer as claimed in one of the preceding claims, wherein the camouflage layer (11) comprises a polar fabric composed of a polar polyester.
6. The camouflage layer as claimed in claim 5, wherein the polar polyester fabric has a titer with 280 dtex and a 1/1 binding cloth with a warp thread setting of preferably 17.5 threads/cm and a weft of 18.5 threads/cm.
7. The camouflage layer as claimed in one of the preceding claims, wherein the camouflage layer (11) comprises a physiologically safe microbiocide which is effective against both bacteria and molds.
8. A camouflage material comprising:
- at least one first layer (11) for camouflaging, preferably for the visible spectrum, the near-infrared, the mid-infrared and the far-infrared and the radar wavelength spectrum as claimed in claims 1 to 8 and - at least one second layer (12), for holding the first layer (11) in a defined manner.
9. The camouflage material as claimed in claim 8, wherein the second layer (12) is stepped at predetermined points with respect to the first layer (11).
10. The camouflage material as claimed in claim 8 or 9, wherein variable-volume air-buffer areas can be formed by stepping (13) the first layer (11) with respect to the second layer (12).
11. The camouflage material as claimed in one of claims 8 to 10, wherein a yield limit (x) can be defined for the first layer (11) over the second layer (12).
12. The camouflage material as claimed in one of claims 9 to 11, wherein the facing structure (15) in the first layer (11) runs between quilted seams (13).
13. The camouflage material as claimed in one of claims 9 or 10, wherein the first layer (11) has domed regions (18), facing away from the second layer (12), between the quilted seams (13).
14. The camouflage material as claimed in claim 13, wherein the domed regions (18) have areas (18a, 18b) which meet one another at an acute angle between the quilted seams.
15. The camouflage material as claimed in claim 14, wherein the areas (18a, 18b) each have the facing structure (15).
16. The camouflage material as claimed in one of claims 8 to 15, wherein the second layer (12) comprises a mesh fabric.
17. The camouflage material as claimed in one of claims 8 to 16, wherein the mesh fabric preferably comprises polyester or cotton or comparable materials.
18. A camouflaged item of clothing, wherein said item of clothing comprises a camouflage material as claimed in claims 8 to 17.
19. The camouflaged item of clothing as claimed in claim 18, wherein the camouflaged item of clothing is designed integrally (2) or as a suit (32, 38).
20. The camouflaged item of clothing as claimed in claim l8 or 19, wherein said item of clothing has at least one bridging area (26) for dissipating heated air.
21. The camouflaged item of clothing as claimed in one of claims 18 to 20, wherein said item of clothing has insulation areas (23a) for thermal shielding.
22. The camouflaged item of clothing as claimed in one of claims 18 to 21, wherein said item of clothing has a zip fastener system with zip fasteners (23c, 25) preferably in the head and/or upper body and/or leg and/or arm area, for folding up and for putting on the suit.
23. The camouflaged item of clothing as claimed in one of claims 18 to 22, wherein said item of clothing has a cord system for matching the cut of the camouflaged item of clothing 2 to different body sizes.
24. The camouflaged item of clothing as claimed in one of claims 18 to 23, wherein said item of clothing has closeable access openings (24c, 24d) for accessing clothes worn underneath.
25. The camouflaged item of clothing as claimed in one of claims 18 to 24, wherein said item of clothing comprises a camouflage material as claimed in claim 16 or 17, and wherein the camouflage material is fitted flat onto the mesh fabric in an armpit area and/or on the insides of the leg areas.
26. The camouflaged item of clothing as claimed in claim 18, wherein the item of clothing is in the form of a poncho (4).
27. The camouflaged item of clothing as claimed in claim 26, wherein the item of clothing has access openings (43) and/or at least one fastening system (41).
CA002366240A 1999-03-13 2000-03-13 Universal camouflage material for camouflage clothing and for camouflage Abandoned CA2366240A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19911227.4 1999-03-13
DE19911227A DE19911227A1 (en) 1999-03-13 1999-03-13 Universal camouflage material for camouflage clothing and other purposes
PCT/EP2000/002172 WO2000055566A1 (en) 1999-03-13 2000-03-13 Universal camouflage material for camouflage clothing and for camouflage

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AT (1) ATE246335T1 (en)
AU (1) AU4104800A (en)
CA (1) CA2366240A1 (en)
CH (1) CH694105A5 (en)
CZ (1) CZ294514B6 (en)
DE (2) DE19911227A1 (en)
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JP2016511710A (en) * 2013-01-18 2016-04-21 ダブリュ.エル.ゴア アンド アソシエイツ,インコーポレイティドW.L. Gore & Associates, Incorporated Notched composites for selective multispectral reflection
EP2945796A4 (en) * 2013-01-18 2016-08-10 Gore & Ass Incised composite material for selective, multispectral reflection
US9587913B2 (en) 2013-01-18 2017-03-07 W. L. Gore & Associates, Inc. Incised composite material for selective, multispectral reflection
KR101926909B1 (en) 2013-01-18 2018-12-07 더블유.엘. 고어 앤드 어소시에이트스, 인코포레이티드 Incised composite material for selective, multispectral reflection

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SA00210282B1 (en) 2006-10-02
EP1163485A1 (en) 2001-12-19
IL145084A0 (en) 2002-06-30
EP1163485B1 (en) 2003-07-30
CZ294514B6 (en) 2005-01-12
WO2000055566A1 (en) 2000-09-21
CZ20013226A3 (en) 2002-07-17
SK284740B6 (en) 2005-10-06
DE50003104D1 (en) 2003-09-04
AU4104800A (en) 2000-10-04
CH694105A5 (en) 2004-07-15
DE19911227A1 (en) 2000-09-14
NO20014386L (en) 2001-09-10
NO20014386D0 (en) 2001-09-10
ATE246335T1 (en) 2003-08-15
SK12982001A3 (en) 2002-01-07
TR200102796T2 (en) 2002-02-21

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