I have recently received information from an associate whom has just returned from the 2008 ConExpo. During the Expo he was approached by several people enquiring as to the extruded plastic rebar support ( bar chairs ) he was he using in an exhibit. He was queried as to where he obtained these...
My business partner has designed and patented a pneumatic tool to tie reinforcing bar as used in the construction industry. However we do not know if we are require to comply with any American Standards or Codes in regard to pneumatic tools.