APPLICATOR WITH PLUNGER HAVING MOVABLE RANGE RESTRICTED BY RESISTANCE STRUCTURE
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United States of America Patent
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Issued Date -
Jan 19, 2017
app pub date -
Jul 11, 2016
filing date -
Jul 14, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An applicator that is less expensive than those according to the related art and in which a plunger does not easily slip out of a cylindrical syringe. A cylindrical syringe and a plunger are each molded from a resin material. A resistance structure is provided between the inner peripheral surface of the cylindrical syringe and the outer peripheral surface of a pressing portion of the plunger. The resistance structure is configured to act as resistance to movement of the pressing portion when the pressing portion is moved toward a cartridge fitting portion beyond a predetermined position and to movement of the pressing portion when the pressing portion is moved from the side of the cartridge fitting portion toward an end of the cylindrical syringe opposite to the cartridge fitting portion beyond the predetermined position.
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