| 摘要 |
PURPOSE: A buckle is provided to reduce the waste of material consumed during a manufacturing process, to achieve mass production thereof, and to simplify an injection molding process. CONSTITUTION: The buckle comprises a hook plate(10) to be tightly installed on a cover sheet of a bag. The hook plate is provided with a bottom hook(12') protruded downward from an exit edge thereof, and the bottom hook is formed with a recess(12") on the rear surface. A hook plate(20) designed to be inserted through an insertion passage between the hook plate and the cover sheet of the bag has a drilled hook hole(22) behind a tip plate(21), and an acute protrusion(22") is protruded from a front edge(22') of the hook hole to be engaged with the recess of the bottom hook.
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