| 摘要 |
An improvement in an apparatus for measuring the lifter pressure of a seamer for doubly seaming a can end to a can barrel by clamping a body of the apparatus between a lifter plate and a seaming chuck and elongating the body to a predetermined extent, wherein the sensing of oil hydraulic pressure, transmission of oil hydraulic pressure to a pressure gauge and pointer display of the pressure are changed respectively into the sensing of pressure by a load cell, transmission of the pressure as an electric signal and digital display of the pressure. |
