Patent ID: 6347810
Filing Date: 2002-02-19
Classification: B42F

Abstract:
A file apparatus comprising:a spine having a first longitudinal side and a second longitudinal side; a first lateral face extending from said first longitudinal side, said first lateral face having an end opposite said first longitudinal side; a second lateral face extending from said second longitudinal side, said second lateral face having an end opposite said second longitudinal side, the ends being shaped to form respective convergent wings; a closing means formed on the ends for securing one of said first and second lateral faces in a closed position relative to the other of said first and second lateral faces; and a first plurality of reinforcing ribs formed on at least one of said first and second lateral faces, said first plurality of reinforcing ribs extending transversely to the longitudinal sides and extending along said convergent wings, said first plurality of reinforcing ribs extending parallel to each other, said first plurality of reinforcing ribs extending uninterruptedly over said spine and onto the other of said first and second lateral faces.