Inspection machine for plastic bottles

Details Inspection machine for plastic bottles Inspection machine for plastic bottles

1988-04-18

1989-08-01

Noland, Tom

Measuring and testing

Inspecting

73 492, 250223B, 356428, G01B 1100, G01B 1102, G01M 332, G01D 2102

Patent

active

048524158

ABSTRACT:
An inspection machine for plastic bottles has a turn table rotatable about a vertical axis, and a plurality of inspection stations to receive the bottles to be inspected. Output signals from sensors are fed to evaluation electronics provided on the turntable itself. Each station has a plate on which a bottle can be rotated as a result of rotation of the turntable. During inspection each bottle executes an orbital movement about the vertical axis of the turntable and at the same time a rotation about the axis of bottle itself as a result of which each bottle is inspected more than once for perpendicularity of the bottom of the bottle and its neck as well. Volume and pressure tightness as well as height of the bottle and bottle color are also inspected.

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