Document Type and Number:
Japanese Patent JP3025226
PROBLEM TO BE SOLVED: To provide a spout equipped with function preventing the reinjection of content after use with respect to a housing member housing the content.
SOLUTION: The valve 20 engaged with the engaging part 15 of the communication port 7a of a spout main body 1 is housed. The valve 20 is equipped with the first stopper 22 engageable with the engaging part 15, a flow part allowing ink to flow in a housing member when an injection needle 50 is thrust in the valve 20 in order to inject ink at first in such a case that a valve 10 is engaged with the first stopper 22, a second stopper 25 preventing the slip-off from the engaging part 15 when the injection needle 50 is pushed in toward the housing member, the third stopper 27 formed between the first and second stoppers 22, 25 to prevent the return of the valve 20 and the groove 30 formed between the second and third stoppers 25, 27 and allowing ink to flow only in a minute amt. when a suction needle is thrusted in and the ink is sucked.
January 21, 2000
November 04, 1997
NIPPON KIMU KK
B41J2/175; B65D47/02; B65D49/02; B41J2/175; B65D47/00; B65D49/00; (IPC1-7): B41J2/175; B65D47/02; B65D49/02