Indirect contact container measurement

Details Indirect contact container measurement Indirect contact container measurement

2005-07-19

2005-07-19

Larkin, Daniel S. (Department: 2856)

Measuring and testing

With fluid pressure

Leakage

C073S045100, C073S045400, C073S052000

Reexamination Certificate

active

06918285

ABSTRACT:
Apparatus and methods for in-line testing of the internal pressure of flexible containers traveling along a production line at high speeds. The apparatus inspects semi-rigid plastic and thin-walled liquid filled containers by analyzing the output from a load cell that indirectly measures the reaction force applied to a container through the intermediary of a load cell roller that, in turn, supports a flexible belt that directly contacts containers while moving them through an inspection station without interrupting the flow of the production line. Containers are contacted only by a flexible portion of a conveyor belt to minimize structural and aesthetic damage to them that might otherwise occur during the inspection process.

REFERENCES:
patent: 4800932 (1989-01-01), Masuda et al.
patent: 4862732 (1989-09-01), Raymond et al.
patent: 5767392 (1998-06-01), Belcher et al.
patent: 6427524 (2002-08-01), Raspante et al.

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