Wire-bound product and method for manufacturing the same
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United States of America Patent
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Oct 8, 2013
Grant Date -
May 5, 2011
app pub date -
Nov 4, 2010
filing date -
Nov 4, 2009
priority date (Note) -
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Abstract
A wire-bound product using a double type laminated paper board and a method for manufacturing the same are disclosed. The wire-bound product employs a structure in which inner paper sheets are turned over in the rightward and leftward directions on front plates of a frame, instead a structure in which a plurality of inner paper sheets is turned over toward the rear surface of a frame, thereby allowing a user to see both surfaces of the inner paper sheets. Further, rear plates of the frame are inserted into various positions of a spring to support the front plates, thereby allowing a standing angle of the front plates of the frame to be adjustable.
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