Combination plastic spiral forming machine and semi-automatic plastic spiral binding machine

  • US 6,726,426 B2
  • Filed: 08/10/2002
  • Issued: 04/27/2004
  • Est. Priority Date: 04/21/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. A combination in line plastic spiral coil forming and binding machine comprising:

  • a coil forming machine for heating, forming and cutting discrete segments of hot binding coils at a first higher temperature, said discrete segments being of a length required for a particular book being bound;

    a binding machine for binding said discrete segments into holes of the book being bound; and

    means for carrying said segments of hot binding coils from said coil forming machine to said binding machine under conditions in ambient air, said carrying means providing sufficient duration of travel time to provide enough slow cooling time in said ambient air to bring the temperature of said binding coils down to close to room temperature and a solid, non-brittle state.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×