Process and apparatus for the production of expanded grids (US Patent 5461761)

Patent number: 5461761 Granted: 1995-10-31 Filed: 1993-11-24 Inventors: Bruno Knopfli (Allschwil, CH); Ulrich Buhlmann (Biel-Benken, CH) Assignees: Kuhni AG. (Allschwil, CH)

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