| 摘要 |
A suction cap device includes a cap member which is formed of an elastic member, which is formed to have a recessed portion, and which has a suction port formed in a bottom surface of the cap member to be located inside of the recessed portion; a suction mechanism which communicates with the suction port; and a cap protector which is accommodated in the recessed portion of the cap member, and which prevents the cap member from being deformed when a pressure inside the recessed portion is decreased. In a liquid flow passage formed in the cap protector, a lead-in port formed in the cap protector has a diameter which is greater than a diameter of a lead-out port formed in the cap protector. With this, it is possible to quickly discharge a liquid received in the cap member.
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