Tamper-evident seal for envelope and method of making same

Details Tamper-evident seal for envelope and method of making same Tamper-evident seal for envelope and method of making same

B - Operations, Transporting

65

D

220/33, 93/62

B65D 33/14 (2006.01) B65D 33/34 (2006.01) G09F 3/03 (2006.01)

Patent

CA 1330330

ABSTRACT A tamper-evident seal for a plastic envelope with a pocket and closing flap having an adhesive sealing means and a tamper-evident layer(s) between the sealing means and plastic pocket for visually determining when tampering has occurred, said means becoming disrupted and visually distorted when a tamper attempt has been made on the flap of the envelope and another tamper-evident layer(s) on the region of the plastic material where the seal is to be made.

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