Method And Apparatus For Forming Sheet Metal

Author:  Hodges, H. T. et al
Source:  US Patent 3,000,425
Doc ID:  1961003
Year of Publication:  1961
Abstract:  
This invention relates to metal forming, and particularly to a new method and apparatus for bending sheet metal. The primary object is to provide a method for forming sheet metal by means of which slight and/or unusual curves can be made in the sheet without destroying inherent physical characteristics of the original sheet or unduly damaging the appearance of the surfaces thereof.