Books – strips – and leaves – Book – element thereof – or accessory therefor
Patent
1988-10-12
1990-03-27
Bell, Paul A.
Books, strips, and leaves
Book, element thereof, or accessory therefor
281 211, 281 40, 281 36, 281 51, 412 6, 412 8, B42D 500, B42C 900
Patent
active
049114751
ABSTRACT:
A book having a binding wherein the pages thereof are bound together by two or more transverse segments of adhesive spaced apart by one or more segments devoid of adhesive or other means for restraining movement. The cover of the book is formed by a unitary sheet of flexible material having a spine section intermediate and intergral with the front and back cover sections. The front section of the cover is secured to the first page of the book block while the back section of the cover is secured to the last page of the book block thereby leaving the spine section of the cover unattached from the book block and spaced apart therefrom. Upon opening the book to a page, the spine of the book block bends in a concave manner and the segments along the spinal edge of the opened page which are devoid of adhesive, bow or wedge outward over the opposite page preventing the pages from turning and maintaining the book in a flat position.
REFERENCES:
patent: 2277265 (1942-03-01), Zahniser
patent: 2314087 (1943-03-01), Heller
patent: 2523860 (1950-09-01), Budden
patent: 2914318 (1959-11-01), McGarvey et al.
patent: 3570071 (1971-03-01), Wardell
patent: 4299410 (1981-11-01), Jukola
patent: 4371194 (1983-02-01), Wang et al.
patent: 4471976 (1984-09-01), Giulie
Bell Paul A.
Wolf David
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