| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an inexpensive injection molded dropper having a stable quality without burrs. <P>SOLUTION: The injection molded dropper made of plastic includes: a pipe portion in which a port for sucking and discharging liquid is disposed at one end; and an operation portion which is continued to the other end of the pipe portion, enables self-recovery when pressed and has a hollow inner side. The injection molded dropper further includes a seal portion to which the other end of the operation portion is welded for sealing. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
