Stock material or miscellaneous articles – Structurally defined web or sheet
Patent
1998-05-08
1999-09-21
Weisberger, Richard
Stock material or miscellaneous articles
Structurally defined web or sheet
428113, 428332, 428592, 267 92, 267182, F16F 304, B32B 500
Patent
active
059551712
ABSTRACT:
Described is a particular procedure to make structures from longitudinal helical metal strips, the same are adecuate to conform different objects, such as plates, planks, sheets, tubes, shafts, etc. and they are porous, flexible, highly resistant and with great ability to absorb the different applications to which they may be subjected, i.e. mechanical, caloric, sound, etc. The procedure consists in stinging the entangled metal strips, each metal strip with its adyacent, until "layers" are formed, and these, in turn, are entangled to each other until a structure is formed, which gaps determining the porosity will be at least the same size than the thickness of the filament constituting the metal strip. The layers may be formed by metal strips made of any type of material (metallic, synthetic, etc.) and they may be combined among them. The invention describes a mathematical calculation that allows to determine the behavior of the structure obtained once the material and thickness, as well as the diameter and the pitch of the respective helical coils, is determined.
REFERENCES:
patent: 3649000 (1972-03-01), Desy
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