Machine and process for binding of books for lay flat look
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United States of America Patent
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app pub date -
Nov 23, 2012
filing date -
Oct 11, 2012
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Abstract
A method of binding plurality of pages such that the pages lie flat when book is open which comprise of creating window cut or window slit on the page at a space parallel to the spine of book, die hole punching between the window slit and spine, accomplishing v shaped spine, and stapling between the die hole punching and window slit and a machine which has assembly to window cut, die hole punch and staple resulting in step binding.
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