WO1991019950A1 - Thermal and visual camouflage - Google Patents
Thermal and visual camouflage Download PDFInfo
- Publication number
- WO1991019950A1 WO1991019950A1 PCT/SE1991/000432 SE9100432W WO9119950A1 WO 1991019950 A1 WO1991019950 A1 WO 1991019950A1 SE 9100432 W SE9100432 W SE 9100432W WO 9119950 A1 WO9119950 A1 WO 9119950A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pieces
- masking
- camouflage
- emission
- material pieces
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H3/00—Camouflage, i.e. means or methods for concealment or disguise
- F41H3/02—Flexible, e.g. fabric covers, e.g. screens, nets characterised by their material or structure
Definitions
- the present invention relates to means for creating thermal camouflage of irregular emission pattern as a supplement to camouflage within the visual and near infra-red region of the spectrum.
- One object of the invention is to provide simple camou ⁇ flaging means which in addition to possessing good camouflage properties within the visual and near infra ⁇ red region will also provide satisfactory thermal camouflage protection, i.e. will have the ability to hide heat-radiating objects from discovery by thermo- cameras, or at least make such discovery difficult.
- said means consist of a supplementary kit which comprises material pieces of arbitrary config ⁇ uration intended for attachment in any desired pattern to existing masking material, such as a net, tarpaulin, covers and the like, said material pieces having an emission coefficient which differs substantially from the emission coefficient of the masking material, preferably by a coefficient difference of at least about 0.3.
- an existing masking material which may consist of a net framework having attached thereto so-called garnishing material made, for in ⁇ stance, from leaf-cut, softened PVC-foil or the like having a high emission coefficient of 0.90 or higher for instance, into an irregular emission pattern, by attaching material pieces of low-emissivity over the highly emissive garnishi material, it is possible to achieve with the inventive camouflaging means effective masking of the radiation-emitting object within the visual, near infra-red and thermal region of the radiation spectrum.
- the material pieces are preferably in the form of laminates which comprise at least one internal, lowly- emissive metal layer, for instance an aluminium layer, whose outer surfaces exhibit a pigmented masking layer which is transparent to radiation within the thermal region, for instance polyethylene.
- the laminates may also include a reinforcing layer, so as to impart the requisite mechanical strength to said laminate.
- the material pieces preferably have an irregular con- figuration and an area of about 1-2 m 2.
- the material pieces are fastened onto existing masking or camouflage material, for instance a net, in a desired irregular pattern, with the aid of appropriate fasteners or by gluing or welding.
- the mate- rial pieces may be provided with so-called leaf-cuts or eyelid cuts, so as to give the material pieces a three dimensional, irregular pattern.
- the total area of the material pieces will preferably be about 30-40% of the total area of the masking material.
- the invention also relates to masking material for camouflaging objects against detection within the visual, near infra-red and thermal region, wherein a material body which includes visual and near infra-red camouflaging garnishing material is augmented with a plurality of material pieces which are attached in a desired pattern on the material body and which have any desired configuration and an emission coefficient which differs by at least about 0.3 from the emission coef ⁇ ficient of the remainder of the masking material.
- the masking material may comprise a net, a cloth, a tar- paulin, a cover or the like.
- a masking net 10 which com ⁇ prises a net framework, not shown in detail, on which conventional masking garnishing is attached to provide camouflage within the visual and near infra-red region.
- This garnishing may consist of pieces of fabric, strips or pieces of camouflage-pigmented foil material, for example PVC, having a relatively high emission coeffi- cients e >0.90.
- the material pieces 12 suitably consist of a laminate of one or more metal layers, a stiffening reinforcement and an outermost thermally transparent layer which exhibits a dull camouflage colour.
- the material pieces will preferably have an emission coefficient e of about 0.4-0.6.
- the material pieces 12 have any desired and varying configuration and are attached to the net 10 by means of appropriate fasteners 14, in the pattern desired.
- six material pieces 12 are fastened to the net 10 by means of a plurality of clamps 14, such that the material pieces 12 will cover an area equal to about 30-40% of the net area, so as to provide an appropriate masking effect against thermal radiation.
- Each material piece will preferably have an
- the material pieces may be leaf-cut and/or eyelid cut in a conventional manner, such as to obtain a three dimensionally irregular pattern of said material pieces.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Laminated Bodies (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU80051/91A AU650021B2 (en) | 1990-06-14 | 1991-06-14 | Thermal and visual camouflage |
CA002083142A CA2083142A1 (en) | 1990-06-14 | 1991-06-14 | Thermal and visual camouflage |
JP91510966A JPH05507789A (en) | 1990-06-14 | 1991-06-14 | Thermal and visual camouflage means |
FI925367A FI925367A (en) | 1990-06-14 | 1992-11-26 | TERMISKT OCH VISUELLT CAMOUFLAGE |
NO924813A NO176494C (en) | 1990-06-14 | 1992-12-11 | Camouflage Material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9002115-5 | 1990-06-14 | ||
SE9002115A SE9002115L (en) | 1990-06-14 | 1990-06-14 | Means for camouflage |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991019950A1 true WO1991019950A1 (en) | 1991-12-26 |
Family
ID=20379765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1991/000432 WO1991019950A1 (en) | 1990-06-14 | 1991-06-14 | Thermal and visual camouflage |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0533784A1 (en) |
JP (1) | JPH05507789A (en) |
AU (1) | AU650021B2 (en) |
CA (1) | CA2083142A1 (en) |
FI (1) | FI925367A (en) |
NO (1) | NO176494C (en) |
PT (1) | PT97972A (en) |
SE (1) | SE9002115L (en) |
WO (1) | WO1991019950A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6619180B1 (en) * | 2002-10-24 | 2003-09-16 | United Defense Lp | Tri-bar armor and signature reduction design |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0129744A2 (en) * | 1983-06-27 | 1985-01-02 | Günter Dr.-Ing. Pusch | Camouflage material for camouflaging military targets |
SE444979B (en) * | 1983-01-14 | 1986-05-20 | Diab Barracuda Ab | Thermal camouflage with high transmissivity on the outer layer in the areas 3-5 UM and 8-14 UM |
-
1990
- 1990-06-14 SE SE9002115A patent/SE9002115L/en unknown
-
1991
- 1991-06-14 AU AU80051/91A patent/AU650021B2/en not_active Ceased
- 1991-06-14 PT PT9797291A patent/PT97972A/en not_active Application Discontinuation
- 1991-06-14 EP EP19910911372 patent/EP0533784A1/en not_active Ceased
- 1991-06-14 WO PCT/SE1991/000432 patent/WO1991019950A1/en not_active Application Discontinuation
- 1991-06-14 JP JP91510966A patent/JPH05507789A/en active Pending
- 1991-06-14 CA CA002083142A patent/CA2083142A1/en not_active Abandoned
-
1992
- 1992-11-26 FI FI925367A patent/FI925367A/en not_active Application Discontinuation
- 1992-12-11 NO NO924813A patent/NO176494C/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE444979B (en) * | 1983-01-14 | 1986-05-20 | Diab Barracuda Ab | Thermal camouflage with high transmissivity on the outer layer in the areas 3-5 UM and 8-14 UM |
EP0129744A2 (en) * | 1983-06-27 | 1985-01-02 | Günter Dr.-Ing. Pusch | Camouflage material for camouflaging military targets |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6619180B1 (en) * | 2002-10-24 | 2003-09-16 | United Defense Lp | Tri-bar armor and signature reduction design |
Also Published As
Publication number | Publication date |
---|---|
JPH05507789A (en) | 1993-11-04 |
PT97972A (en) | 1993-08-31 |
FI925367A0 (en) | 1992-11-26 |
FI925367A (en) | 1992-11-26 |
AU650021B2 (en) | 1994-06-09 |
SE9002115L (en) | 1991-12-15 |
AU8005191A (en) | 1992-01-07 |
CA2083142A1 (en) | 1991-12-15 |
NO176494C (en) | 1995-04-19 |
NO924813D0 (en) | 1992-12-11 |
EP0533784A1 (en) | 1993-03-31 |
SE9002115D0 (en) | 1990-06-14 |
NO924813L (en) | 1992-12-14 |
NO176494B (en) | 1995-01-02 |
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