Namiki Co., Ltd.
|Namiki Co., Ltd. Patent applications|
|Patent application number||Title||Published|
|20090183488||BALL CHAIN AND METHOD OF MANUFACTURING THE SAME - A ball chain including metal balls with a small wall thickness and can withstand a large tensile load are provided. A method of manufacturing the same includes rounding a piece of metal to form rotation-axis symmetric bodies||07-23-2009|