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bulldog clip : ウィキペディア英語版 | bulldog clip
A bulldog clip is a device for temporarily but firmly binding sheets of paper together. It consists of a rectangular sheet of springy steel curved into a cylinder, with two flat steel strips inserted to form combined handles and jaws. The user presses the two handles together, causing the jaws to open against the force of the spring, then inserts a stack of papers and releases the handles. The spring forces the jaws together, gripping the papers firmly. A Bulldog clip combined with a suitable piece of board makes a clipboard. ==History and trademark== ''BULLDOG'' is a registered trademark of Brandsley Limited which is licensed to Faire Bros & Co Limited. Its registration as a trademark in the United Kingdom dates back to 1944.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「bulldog clip」の詳細全文を読む
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