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Yagyu Rubber Co., Ltd. Patents
Assignee:
Yagyu Rubber Co., Ltd.
Address:
Nagoya, JP
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
6511621 Method for injection-molding a propeller fan January 28, 2003
A method for injection-molding a plastics propeller fan by using a fixed-side mold section and movable-side mold section, comprises the steps of providing a movable core at an area corresponding to a thicker portion of a blade section of the propeller fan; after a predetermined amount of

 
 
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