Books – strips – and leaves – Book – element thereof – or accessory therefor – Binding
Patent
1983-05-26
1985-05-28
Bell, Paul A.
Books, strips, and leaves
Book, element thereof, or accessory therefor
Binding
281 31, 412 3, B42D 104, B42D 318, B42C 700
Patent
active
045196290
ABSTRACT:
Improved spiral bound notebook and folder construction is disclosed which is formed from an integral blank of flexible sheet material. The folder includes a pair of hingedly interconnected opposed cover panels, a pocket-forming panel hingedly connected along an edge of one of the cover panels and a closure flap hingedly extending from the outer edge of the other cover panel. The pocket forming panel includes one edge portion which is adapted to be folded in superposed relation along one side of the hinge line which interconnects the two cover panels. The folder also includes another flap portion which overlays the other side of the hinge line. The folder is punched to provide wire holes on opposite sides of said hinge line through the cover panels, superposed edge portion of the pocket forming panel and the other flap portion of the folder. A continuous wire is helically wound through the wire holes in the folder and through corresponding wire holes or perforations disposed along the inner edge of a pad of loose leaf notebook paper.
REFERENCES:
patent: 1440936 (1923-01-01), Shepard
patent: 3680969 (1972-08-01), Gorman
patent: 4420112 (1983-12-01), Cline
Bell Paul A.
Dennison National Company
Heyrana Sr. Paul M.
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