PERFORATING TOOL

Organization Name

Inventor(s)

PERFORATING TOOL

This abstract first appeared for US patent application 18888161 titled 'PERFORATING TOOL

Original Abstract Submitted

The perforating tool includes: a shaft portion that is pierced through the sealing film and has a rod shape extending from a front end side to a base end side; and a large diameter portion that is formed at a front end portion of the shaft portion, the large diameter portion having a diameter of a circumcircle, which circumscribes an outer shape of a traverse cross section orthogonal to an axial direction, greater than a diameter of a circumcircle, which circumscribes an outer shape of the traverse cross section of the shaft portion, wherein, a length from a front end of the shaft portion to an end portion of the large diameter portion on the base end side is shorter than a maximum insertion depth of the shaft portion into the container.