Binder unit for stapled booklets

Books – strips – and leaves – Book – element thereof – or accessory therefor – Binding

Patent

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Details

402 14, 85 49, B42D 100

Patent

active

040079503

ABSTRACT:
A binder unit for stapled booklets is provided, having an edge member joining the front and back covers of the booklet wherein the edge member has a space in which the terminal ends of the staples are concealed. The space may be empty or it may be occupied by a easily compressible material such as foam plastic.

REFERENCES:
patent: 1371739 (1921-03-01), Dawson
patent: 1410000 (1922-03-01), Dawson
patent: 2000357 (1935-05-01), Smith
patent: 3188114 (1965-06-01), O'Brien et al.
patent: 3347565 (1967-10-01), Konkel
patent: 3631297 (1971-12-01), Conner

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