Structure for book cover
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United States of America Patent
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Sep 14, 2010
Grant Date -
Feb 21, 2008
app pub date -
Aug 16, 2006
filing date -
Aug 16, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved structure for book cover includes a cover layer, a left positioning plate and a right positioning plate, wherein the left and the right positioning plates are disposed above the cover layer and the edges of the cover layer can be folded inwardly for being adhered or stitched at the edges of the left and the right positioning plates, and the left and the right positioning plates respectively have a protruded left binding portion and a protruded right binding portion which both have plural holes corresponding to each other for fixing loose leaf papers between the left and the right positioning plates directly by a spiral so as to form a book. Through the improved structure of book cover in the present invention, the manufacturing process can be simplified and the cost of labor and material can be saved.
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