Semi-automatic plastic spiral binding machine

Details Semi-automatic plastic spiral binding machine Semi-automatic plastic spiral binding machine

B - Operations, Transporting

42

B

B42B 5/12 (2006.01)

Patent

CA 2235189

A binding machine for spirally binding a sheaf of papers into a book uses an adjustable speed drive to rotate a flexible plastic spiral element into respective holes in the book. The book has a plurality of holes in a row adjacent one edge of the book to receive the leading edge of the spiral bonding elements. A cylindrically shaped mandrel is spaced apart from a glidable block. The plastic pre-formed spiral binding element is fed onto the mandrel from the distal end thereof, with the leading edge of the binding element facing and spaced apart from the book. A spring is mounted on the slidable x>lock for engaging and adjustably press the spiral binding element on the mandrel so that the upper portion of the binding element is spaced from the top of the mandrel.

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