Process and apparatus for the production of expanded grids

Details Process and apparatus for the production of expanded grids Process and apparatus for the production of expanded grids

1993-11-24

1995-10-31

Hughes, S. Thomas

Metal working

Expanded metal making

72234, B21D 3104, B21D 4700

Patent

active

054617618

ABSTRACT:
A sheet-metal strip provided with mutually staggered cuts is conveyed continuously at a first speed through a first conveying apparatus (23) and at a second speed, increased as related to the first speed, through a second conveying apparatus (24). Thereby, the strip section (21) freely traveling between the first and second conveying apparatus (23, 24) is stretched with the formation of a three-dimensional expanded grid structure. The process permits a continuous, rapid production of expanded grids of high precision and uniformity, especially with regard to mesh width and grid height.

REFERENCES:
patent: 3455135 (1969-07-01), Allen
patent: 3570086 (1971-03-01), Stone
patent: 4105724 (1978-08-01), Talbot
patent: 4305187 (1981-12-01), Iwamura et al.
patent: 4921118 (1990-05-01), Gass
patent: 5063647 (1991-11-01), Rohrer et al.
patent: 5199142 (1993-04-01), Davis

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