Crank for bicycle and method for manufacturing the same
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United States of America Patent
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Aug 21, 2012
Grant Date -
Jul 2, 2009
app pub date -
Dec 17, 2008
filing date -
Dec 28, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed are a method for manufacturing a crank for a bicycle by bonding structural members to each other with an adhesive comprising; a step for applying the adhesive in a line-like or dot-like form in correspondence with an intervention region of the adhesive; a step for disposing a fabric in correspondence with the intervention region of the adhesive; a step for expanding the adhesive applied in a line-like or dot-like form in the fabric; and a step for bonding the structural members to each other with the adhesive expanded in the fabric, and a crank for a bicycle manufactured by the method. When the crank for a bicycle is manufactured by bonding the structural members to each other with the adhesive, the adhesive can be applied easily at a high accuracy and a good repeatability, variations of application condition and amount of used adhesive can be suppressed, and variation in quality can be suppressed.
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