Patent ID: 6068298
Filing Date: 2000-05-30
Classification: B42F

Abstract:
A rectangular loose-leaf sheet for a transparency storage book, said loose-leaf sheet being adapted to hold a transparency thereon and having a binding strip unit with at least one binding hole formed therethrough, wherein the improvement comprises said loose-leaf sheet is formed from a single paper sheet, and has a transparency receiving side, a binding side that is formed with said binding strip unit, a clamping side that is formed with a first fold line, and a blocking side, which is adjacent to said clamping side and which is formed with a second fold line that is perpendicular to said first fold line, thereby defining a rectangular sheet portion among said transparency receiving side, said binding side, said first fold line and said second fold line, said clamping side being folded inwardly along said first fold line to form a clamping strip and being adapted to clamp said transparency between said rectangular sheet portion and said clamping strip, said blocking side being folded inwardly along said second fold line to form a blocking strip that is adapted to prevent slipping of said transparency outwardly from said blocking side, whereby said binding strip unit, said clamping strip and said blocking strip are arranged in a U-shape, which is adapted to confine said transparency therein.