C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
354/21
C03B 9/41 (2006.01) G01M 3/26 (2006.01) G01M 3/32 (2006.01)
Patent
CA 1182563
DUAL HEAD GAUGER APPARATUS WITH AUTOMATIC ADJUSTMENT FOR PRESSURE VARIATION Abstract An apparatus for testing containers, such as beverage bottles which will be capped or otherwise closed by a vacuum seal, and for rejecting those containers which do not meet the requirements of a container which can be ef- fectively sealed by a cap or other closure. Containers to be tested move on a conveyor to a test station where the container opening is covered by a test fixture having a nozzle surrounded by a sealing disphragm. A metered volume of air is injected into the container through the nozzle, and the retention of pressure in the container is sensed. A defect in the sealing surface is detected by an unac- ceptably rapid leakage of air past the diaphragm, and the defective container is ejected from the conveyor. The apparatus also tests the internal dimensions of the con- tainer opening by projecting a gauge into the opening.
415114
Emhart Glass S.a.
Gowling Lafleur Henderson Llp
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