Semi-automatic plastic spiral binding machine

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

2006-09-08

2008-08-05

Banks, Derris H (Department: 3725)

Bookbinding: process and apparatus

Apparatus

Edge binding apparatus

Reexamination Certificate

active

07407356

ABSTRACT:
A book binding machine has a page-forming mode and a spiral-binding mode, where a curved inexpensive piece of binding spiral coil or a convex member form a collection of pages being bound into a concavity on the spine of the pages to be bound with a proper pitch angle to accept insertion of a plastic spiral binding coil. An optional pivoting page-forming carriage and an optional pivoting cutter/crimper are respectively movable between engaged and disengaged positions. The book forming bar is optionally moved out of the way in an intermediate position while the spiral is spun into the perforations. Then the brackets place the cutter bar in position. Pulsed air is preferably used to operate the vibrator and the exhaust pulsed air is fed to a page aerating manifold to keep pages from clinging to each other prior to the sheets being clamped before insertion of the plastic spiral coil.

REFERENCES:
patent: 5569012 (1996-10-01), Kosasa et al.
patent: 5785479 (1998-07-01), Battisti et al.
patent: 6036423 (2000-03-01), Westra et al.

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