Title:
MANUFACTURE OF EXPANDED GRID AND ITS DEVICE
Document Type and Number:
Japanese Patent JP3448831
Kind Code:
B2
Abstract:
PURPOSE: To rapidly continuously manufacture an expanded rigid having high precision and uniformity, especially with regard to mesh and grid height.
CONSTITUTION: A sheet metal strip provided with mutually staggered cuts is conveyed continuously at a first speed through a first conveying means 23 and at a second speed faster than the first speed through a second conveying means 24. Thus, the strip part 21 freely traveling between the first and second conveying means 23, 24 is stretched to form a three-dimensional expanded grid.
Inventors:
Bruno Knetupfri
Ulrich Bjühlmann
Ulrich Bjühlmann
Application Number:
JP32952893A
Publication Date:
September 22, 2003
Filing Date:
November 19, 1993
Export Citation:
Assignee:
Kiyuni Actien Gezershyaft
International Classes:
B21D28/36; B21D31/04; (IPC1-7): B21D31/04
Domestic Patent References:
| JP6114028A | ||||
| JP6330130A | ||||
| JP6363538A |
Attorney, Agent or Firm:
Osamu Nakahira