US4473826A — Arrangement broad-band camouflaging of military t…

Claim 1

Independent Claim 84 words

Camouflaging net for military targets effective in the spectral range from visible light to radar waves comprising in sequence (a) a fabric texture base; (b) a soft plastic coating on said base; (c) a metallic layer adhering to said coating; and (d) a paint layer thereon which layers (c) and (d) have in combination an emission factor in the 3 to 5 μm spectral region of between 50 to 90% and in the 8 to 14 μm spectral region of between 60 and 95%.

Claim 2

Dependent Claim 84 words

Camouflaging net for military targets effective in the spectral range from visible light to radar waves comprising in sequence (a) a fabric texture base; (b) a soft plastic coating on said base; (c) a metallic layer adhering to said coating; and (d) a paint layer thereon which layers (c) and (d) have in combination an emission factor in the 3 to 5 μm spectral region of between 50 to 90% and in the 8 to 14 μm spectral region of between 60 and 95%.

Claim 3

Dependent Claim 34 words

Camouflaging net as in claim 1, wherein there is also provided a thin paint layer between said layers (c) and (d) to protect the metal layer and as a primer for subsequent paint layers.

Claim 4

Dependent Claim 17 words

Camouflage net as in cliam 2, wherein the fabric texture base (a) is made of a polyamide.

Claim 5

Dependent Claim 17 words

Camouflage net as in cliam 2, wherein the fabric texture base (a) is made of a polyamide.

Claim 6

Dependent Claim 15 words

Camouflage net as in claim 3, wherein the soft plastic coating (b) is polyvinyl chloride.

Claim 7

Dependent Claim 12 words

Camouflage net as in claim 4, wherein the metal layer is aluminum.

Claim 8

Dependent Claim 13 words

Camouflage net as in claim 5, wherein the aluminum layer is vapor deposited.

Claim 9

Dependent Claim 23 words

Camouflage net as in claim 6, wherein the paint has pigments therein that correspond from the visible and near infrared region to chlorphyl.

Claim 10

Dependent Claim 26 words

Camouflaging net as in claim 1, wherein there is also added a thin layer of ultraviolet reflecting paint that is transparent to all other spectral regions.

Claim 11

Dependent Claim 175 words

Camouflage arrangement for exhaust gas-type heat emitting military targets comprising the combination of a camouflaging net produced of (a) a fabric texture base; (b) a soft plastic coating on said base; (c) a metallic layer adhering to said coating; and (d) a paint layer thereon which layers (c) and (d) have in combination an emission factor in the 3 to 5 μm spectral region of between 50 to 90% and in the 8 to 14 μm spectral region of between 60 and 95% for reducing emission and/or remission contrast of a target towards a natural background; each layer of said net affecting part of said total electromagnetic spectrum; said layers being arranged such that camouflaging of a single layer does not destroy remaining layers; with heat-reduction carpets for reducing temperature contrast between target and backgrond of targets with elevated temperatures; and means for further reducing temperature contrast of heat-producing objects by blowing off hot gases by laminar flows of cold air in channels to prevent the warming of the camouflaging net by said hot gases.

Claim 12

Dependent Claim 175 words

Camouflage arrangement for exhaust gas-type heat emitting military targets comprising the combination of a camouflaging net produced of (a) a fabric texture base; (b) a soft plastic coating on said base; (c) a metallic layer adhering to said coating; and (d) a paint layer thereon which layers (c) and (d) have in combination an emission factor in the 3 to 5 μm spectral region of between 50 to 90% and in the 8 to 14 μm spectral region of between 60 and 95% for reducing emission and/or remission contrast of a target towards a natural background; each layer of said net affecting part of said total electromagnetic spectrum; said layers being arranged such that camouflaging of a single layer does not destroy remaining layers; with heat-reduction carpets for reducing temperature contrast between target and backgrond of targets with elevated temperatures; and means for further reducing temperature contrast of heat-producing objects by blowing off hot gases by laminar flows of cold air in channels to prevent the warming of the camouflaging net by said hot gases.

Claim 13

Dependent Claim 25 words

Camouflage arrangement as in claim 9, wherein said camouflage net comprises a combination of a plurality of layers sealed at an edge and being inflatable.

Claim 14

Dependent Claim 61 words

Camouflage arrangement as in claim 9, wherein said camouflage net comprises a plurality of sealed layers having an intermediate space with the two outside layers having camouflaging paint, inside layers of said carpet having thin plastic foils metallized on both sides; and light fabric nets in said intermediate space of said layers having a mesh width of a plurality of millimeters.

Claim 15

Dependent Claim 32 words

Camouflage arrangement as in claim 9, wherein said net on the side which is facing the heat emitting target is covered with an IR-transparent paint for the wavelength region of λ=2-14 μm.

Claim 16

Independent Claim 193 words

A method for camouflaging military targets in the spectral range of electromagnetic radiation from ultraviolet light to radar waves by contrast reduction between target and background, comprising the steps of: (i) reducing emission and/or remission contrast of a target towards a natural background by applying camouflaging nets comprising applying in sequence: (a) a fabric texture base; (b) a soft plastic coating on said base; (c) a metallic layer adhering to said coating; and (d) a paint layer thereon which layers (c) and (d) have in combination an emission factor in the 3 to 5 μm spectral region of between 50 to 90% and in the 8 to 14 μm spectral region of between 60 and 95% each layer of said texture affecting part of said total electromagnetic spectrum; arranging said layers such that camouflaging effect of a single layer does not destroy the remaining layers; (ii) reducing the temperature contrast between target and background of targets with elevated temperatures by heat-reduction carpets; (iii) reducing further temperature contrast of heat-producing objects by blowing off hot gases by laminar flows of cold air in channels for preventing warming of camouflaging nets by said hot gases.

Claim 17

Independent Claim 193 words

A method for camouflaging military targets in the spectral range of electromagnetic radiation from ultraviolet light to radar waves by contrast reduction between target and background, comprising the steps of: (i) reducing emission and/or remission contrast of a target towards a natural background by applying camouflaging nets comprising applying in sequence: (a) a fabric texture base; (b) a soft plastic coating on said base; (c) a metallic layer adhering to said coating; and (d) a paint layer thereon which layers (c) and (d) have in combination an emission factor in the 3 to 5 μm spectral region of between 50 to 90% and in the 8 to 14 μm spectral region of between 60 and 95% each layer of said texture affecting part of said total electromagnetic spectrum; arranging said layers such that camouflaging effect of a single layer does not destroy the remaining layers; (ii) reducing the temperature contrast between target and background of targets with elevated temperatures by heat-reduction carpets; (iii) reducing further temperature contrast of heat-producing objects by blowing off hot gases by laminar flows of cold air in channels for preventing warming of camouflaging nets by said hot gases.

Claim 18

Dependent Claim 51 words

A method as defined in claim 13, comprising covering hot areas of military targets by heat-reduction carpets, at a distance of a few inches so as to allow air circulation beneath said carpets, with camouflaging nets being applied above said carpets during sunlight so as to prevent additional heating by sunlight.

Claim 19

Dependent Claim 22 words

A method as in claim 13 comprising employing camouflage nets having metal-like reflecting properties with a surface resistivity of some 10 ohms/square.

Claim 20

Dependent Claim 26 words

A method as defined in claim 13, comprising sucking in cold air for surrounding hot gases so as to cool the bottom side of said carpets.

Claim 21

Dependent Claim 24 words

A method as defined in claim 13, comprising carrying the hot air stream, surrounded by cold air, through a turnable and tiltable channel therefor.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1987-09-25	1988-03-26	1988-09-25	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1991-09-25	1992-03-26	1992-09-25	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1995-09-25	1996-03-26	1996-09-25	$7700.00	Window Closed / Lapsed

Arrangement broad-band camouflaging of military targets

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag