Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1979-05-31
1982-01-05
Bell, J. Karl
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
135 14V, 428919, 343 18R, A45F 112, F41H 300
Patent
active
043088821
ABSTRACT:
Tents with one or more walls for military use that provide protection against modern sight and IR-optical search methods, in which plastic-coated metallized cloth is used as a material for the tent walls and roofs. The outer side of the outermost tent wall is provided with known camouflage paints. The inner side of the outer cloth layer as well as the outsides and insides of the inner cloth layers are provided with only one color that is practically impervious to the infrared portion of the spectrum of about 3 to 20 .mu.m.
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patent: 4064305 (1977-12-01), Wallin
patent: 4142015 (1979-02-01), Bienz
Hoffmann Alexander
Pusch Gunter
Bell J. Karl
Meller Michael N.
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