Seal testable container structure

Details Seal testable container structure Seal testable container structure

1991-08-07

1992-10-20

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

73 493, 73 52, 220359, G01M 336, B65D 134

Patent

active

051563290

ABSTRACT:
Methods and systems for testing the seals of container lids to the top portion of container bodies are provided. Testing the integrity of the seal is achieved by injecting fluid under pressure under the lid portion of the container and detecting if the lid bulges outwardly with respect to its at-rest position prior to injecting fluid. A container adapted to having the seal tested for leakage is also provided.

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"More Surety for the Seal," Packaging Digest, pp. 6,28 (Mar. 1989).
Confidential Materials Submitted Pursuant to M.P.E.P. .sctn.724.02.
Rice, J., "Packaging QC Prepares `get in the groove`", Food Processing, Mar. 1989.

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