EARS-BORED EARRING USING SHAPE MEMORY ALLOY

摘要

An ear-boring earring is provided, which is easily detachable and prevents injury of the earlobe or the nape of the neck. An ear-boring earring(100) comprises: a decoration part(110) for expressing the decoration beauty; a decoration part holder(120) fixing the decoration part; a penetration pin which is combined with the decoration part holder in order to pass through the prescribed part of the ear and is made of shape memory alloy; a hollow member(160) which is formed in the circumference portion of the penetration pin so that the penetration pin can be inserted and has the pipe shape changing the penetration pin in the linear type; and a shape memory bending portion(140) maintaining the bending state corresponding to the prescribed temperature.