| 摘要 |
A pump device for containers, said pump (33) comprising a suction portion (34) which is inserted into the container and opened, an operable portion which is exposed to the outside of the container, a bag being provided to surround said suction portion, said bag containing contents for being loaded into the container, wherein said suction portion (34) is cylindrical in shape, and while a concaved or convexed portion (38) is formed around said suction portion, said concaved or convexed portion is made to run in the longitudinal direction, and a plurality of suction orifices (40) is formed in the end (39) of the suction portion, said orifice being open to the lateral surface. <IMAGE> |
