US4465731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal camouflage for military objects
Assignee: Individual
•
Filing: 1983-06-27
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Granted: 1984-08-14
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Expires: 2003-06-27
Abstract
Abstract A camouflage material whose convective heat exchange pattern simulates the thermal properties of a natural background and having a non planar surface comprising a mesh support, a conductive layer on said support and an outer layer on said conductive layer containing metallic material and having an emissivity in the wave length of far infrared of about 20 to 70% and wherein said outer layer comprises a synthetic foam layer.
Inventors
- 👤 Gunter Pusch
- 👤 Dieter E. Aisslinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:02
CPC Classifications
F; F41; F41H; F41H3/00; F41H3/02; Y; Y10; Y10S; Y10S428/00; Y10S428/919; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
99 words
A camouflage material whose convective heat exchange pattern simulates the thermal properties of a natural background and having a non planar surface comprising a mesh support, a conductive layer on said support, said conductive layer having a conductivity of 2 to 50 ohms per square and an outer layer on said conductive layer containing metallic material and having an emissivity in the wave length of far infrared of about 20 to 70%, and wherein the ratio of the width of the space between two filaments to the width of each filament in the mesh is about 1 to 3.
Claim 2
Dependent Claim
99 words
A camouflage material whose convective heat exchange pattern simulates the thermal properties of a natural background and having a non planar surface comprising a mesh support, a conductive layer on said support, said conductive layer having a conductivity of 2 to 50 ohms per square and an outer layer on said conductive layer containing metallic material and having an emissivity in the wave length of far infrared of about 20 to 70%, and wherein the ratio of the width of the space between two filaments to the width of each filament in the mesh is about 1 to 3.
Claim 3
Dependent Claim
16 words
The camouflage material of claim 1, wherein said outer layer comprises an open-cell synthetic foam layer.
Claim 4
Dependent Claim
28 words
The camouflage material of claim 2, wherein said foam layer comprises a material selected from the group consisting of polyurethane, polyolefins, polyvinyl chloride, polyethers, polyesters, polystyrene and polyacrylates.
Claim 5
Dependent Claim
16 words
The camouflage material of claim 1, wherein said outer layer comprises a paint applied in patches.
Claim 6
Dependent Claim
51 words
The camouflage material of claim 4, wherein said paint comprises pigments to obtain color in the visible part of the spectrum which also functions in the near infrared region of the spectrum, metal pigments to reflect in the far infrared region and a binder which is substantially transparent to infrared radiation.
Claim 7
Dependent Claim
10 words
The camouflage material of claim 1, having an embossed surface.
Claim 8
Dependent Claim
12 words
The camouflage material of claim 1, having patches of fabric attached thereto.
Claim 9
Dependent Claim
46 words
The camouflage material of claim 7, wherein said patches of fabric comprise a textile material, a conductive layer on said textile material and a paint having an emissivity in the wave length of far infrared of about 20 to 70% on both sides of said material.
Claim 10
Dependent Claim
10 words
The camouflage material of claim 4, having an embossed surface.
Claim 11
Dependent Claim
10 words
The camouflage material of claim 1, further comprising radiation fins.
Claim 12
Dependent Claim
10 words
The camouflage material of claim 9, further comprising radiation fins.
Claim 13
Dependent Claim
57 words
The camouflage material of claim 1, wherein at least part of the filaments of the mesh have a width of about 0.2 to 0.5 mm and comprise a yarn obtained by lamination of aluminum foil having a thickness of about 6 to 20 μm between polyester films each having a thickness of about 6 to 20 μm.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-08-14 | 1988-02-13 | 1988-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-14 | 1992-02-13 | 1992-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-14 | 1996-02-13 | 1996-08-14 | $7700.00 | Window Closed / Lapsed |