Expandable file holder

摘要

The file holder is closed on two or three sides and is made from a single one piece blank. The bottom corners of the file holder are reinforced to avoid popping out when filled to capacity. The blank may be used to make a file folder or a mailer.

主权项

1. An expandable file holder comprising
a back panel of rectangular shape; a front panel extending from a bottom edge of said back panel and folded over said back panel with a top edge thereof spaced inwardly from a top edge of said back panel to define a mouth of an open pocket therebetween, said front panel having a horizontally disposed score line spaced from a bottom edge of said back panel dividing said front panel into a first rectangular section extending from said back panel and only a second rectangular section of smaller width than said first rectangular section extending from said first rectangular section, said first rectangular section having an angular score line at each respective longitudinal end thereof to define a triangular tab; a pair of side flaps, each said side flap extending from a side edge of said back panel and having a vertical score line dividing said side flap into a first section extending from said back panel and a second section; and adhesive means securing said second section of each said flap directly to said front panel.