Method for producing a clamping member of a hair clip, the clamping member, and a hair clip including two clamping members
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United States of America Patent
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Mar 27, 2018
Issued Date -
N/A
app pub date -
Dec 28, 2015
filing date -
Dec 28, 2015
priority date (Note) -
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Abstract
A method for producing a clamping member of a hair clip includes filling a plastic material into a cavity defined by a fixed mold and a movable mold, forming a clamping member. The plastic material in rectilinear passages and grooves in the movable mold form teeth on a clamping portion of the clamping member. Then, the movable mold disengages from the fixed mold with the clamping member remaining on the movable mold. Next, the clamping member is moved away from the movable mold by a distance. The plastic material in each groove becomes an elongated section. Before the plastic material completely cures, the clamping member completely disengages from the movable mold. The elongated section of each tooth bends downwards due to gravitational force and completely cures to form a hooked section. The remaining portion of each tooth forms a rectilinear section interconnected between the hooked section and the clamping portion.
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