Enforcement structure of a file folder

Details Enforcement structure of a file folder Enforcement structure of a file folder

1998-01-20

1999-03-23

Pascua, Jes F.

Envelopes, wrappers, and paperboard boxes

File folder or file envelope

Including closure

229 671, 24 6711, B65D 2712

Patent

active

058848363

ABSTRACT:
A file folder includes a base plate and a clamping member. The base plate has three folding lines defined in parallel in one of two sides thereof so as to define a first, a second, and a third part, wherein an opening is defined through the first and the second part. The third part is folded downwardly along the third folding line and has a tongue extending foldably upward from a free edge thereof. A plurality of corrugated units are formed to integrally connect a root portion of the tongue and the third part. The clamping member has a lower portion thereof attached to an underside of the base plate and a upper potion thereof inserted into the opening. The upper portion of the clamping member has an engaging member formed by reversely folding a free edge thereof so as to engage with the tongue of the base plate such that a pile of document is able to be clamped between the third part and the base plate.

REFERENCES:
patent: 3099269 (1963-07-01), Sorensen
patent: 5226676 (1993-07-01), Su
patent: 5285952 (1994-02-01), Ho
patent: 5639016 (1997-06-01), Ho
patent: 5692670 (1997-12-01), Ho

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