Method and apparatus for judging crushes of can body

Details Method and apparatus for judging crushes of can body Method and apparatus for judging crushes of can body

1990-08-02

1992-10-27

Noland, Tom

Measuring and testing

Surface and cutting edge testing

73821, 100 99, G01B 734

Patent

active

051579642

ABSTRACT:
A double seamer; included a chuck and a lifter plate vertically aligned with each other. Seaming rolls are set near the chuck. When a can body wall with a lid is clamped between said chuck and lifter plate, the spring pressure of a resilient member supporting the lifter plate is measured and if the measured value is less than a predetermined value, the can body wall is judged to have been crushed. The seamer is included with a ring cam plate having a high spot and a low spot. The high spot is provided with a load bearing member and a load cell installed underneath the load bearing member such that the spring pressure is measured when a cam roll set at the lower end of a lifter plate support member is in contact with the load bearing member.

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