Method of binding sheet stack having mounting hole

Details Method of binding sheet stack having mounting hole Method of binding sheet stack having mounting hole

2010-01-06

2010-11-23

Ross, Dana (Department: 3725)

Bookbinding: process and apparatus

Process

Of edge fastening

Reexamination Certificate

active

07837422

ABSTRACT:
A method of binding a sheet stack having a mounting hole includes the steps of: slidably inserting two fastening arms into the mounting hole of the sheet stack at a top side thereof until a first binding portion of a binding body is biased against the top side of the sheet stack at an edge portion thereof; adjustably bending a second binding portion of the binding body to bias against a bottom side of the sheet stack at the edge portion thereof with respect to a thickness of the sheet stack; aligning an elongated guiding slot of the binding body with the mounting slot; and bending the fastening arms for resting on the bottom side of the sheet stack to reinforce the edge portion of the sheet stack being securely sandwiched between the first and second binding portions of the binding body.

REFERENCES:
patent: 1257631 (1918-02-01), Nielsen et al.
patent: 1466347 (1923-08-01), Washburne
patent: 2609580 (1952-09-01), Dixon
patent: 4749427 (1988-06-01), Pitts et al.

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