Expandable binder

Details Expandable binder Expandable binder

1997-04-23

1999-04-13

Fridie, Jr., Willmon

Books, strips, and leaves

Book or leaf holder

229 623, 281 29, B42D 300

Patent

active

058935851

ABSTRACT:
A binder cover with a spine or binding section which has a pleated expandable center section with a first folding section and a second folding section on either side and each connected to the binder cover. The first folding section and the second folding section define a channel to receive the documents to be contained within the binder. Fasteners, such as staples, are positionable through the first folding section and the second folding section to secure the documents therein. The fasteners may include, for example, staples, thread, cable, posts and screws, clamps or glue. Adhesive is available to secure the first folding section in its second or closed position and the second folding section in its second or closed position.

REFERENCES:
patent: 4284227 (1981-08-01), Corey
patent: 4790474 (1988-12-01), Mitsuyama
patent: 5174606 (1992-12-01), Hune
patent: 5433481 (1995-07-01), Corbishley

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