Flexible bags – Tamper indicating
Patent
1990-03-26
1991-12-31
Marcus, Stephen
Flexible bags
Tamper indicating
383 61, 383 88, 383 84, B65D 3334
Patent
active
050770012
ABSTRACT:
A tamper-evident seal for a plastic envelope with a pocket and closing flap having first adhesive sealing means for sealing the flap to the envelope and a second, tamper-evident sealing means adhering to the end of and extending beyond the end of the flap which also adheres to the envelope after the flap is closed and sealed. The tamper-evident sealing means has a pattern of regions, some of the regions having visually distinct reflective characteristics from others of the regions. The tamper-evident means can also have a pearlaceous material therein or thereon.
REFERENCES:
patent: 468079 (1892-02-01), Morgan
patent: 712465 (1902-10-01), Stormfels
patent: 764653 (1904-07-01), Witte
patent: 795505 (1905-07-01), Halloran
patent: 932742 (1909-08-01), Young
patent: 1013571 (1912-01-01), Stevens
patent: 1177886 (1916-04-01), Newcomb
patent: 1633369 (1927-06-01), Hollar, Jr.
patent: 1667258 (1928-04-01), Hollar, Jr.
patent: 1692219 (1928-11-01), Medveczky
patent: 3368741 (1968-02-01), Mercur
patent: 3537637 (1970-11-01), Hiersteiner
patent: 3537638 (1970-11-01), Hyman
patent: 4082880 (1978-04-01), Zboril
patent: 4348440 (1982-09-01), Kriozere
patent: 4483018 (1984-11-01), Whelan
patent: 4510621 (1985-04-01), Sak
patent: 4648860 (1987-03-01), Cassey
patent: 4709397 (1987-11-01), Voshall et al.
patent: 4712729 (1987-12-01), Craig
patent: 4720040 (1988-01-01), Gurewitz
patent: 4733817 (1988-03-01), Makowka
patent: 4785940 (1988-11-01), Wilson
patent: 4824261 (1989-04-01), Provost
patent: 4834552 (1989-05-01), Makowka
"Scotchmark Identification Systems", 3M Corporation.
"The Keepsafe System", Mardon Wrappings.
"Safeguard Security Envelope", Trigon Packaging Systems.
Brochure of Block & Company, Inc.
"Trigon Cache-Pak II with Lock-Sure Seal", Trigon Packaging Systems.
"Pearlescent Pigments & Iridescent Colors for Industrial Applications", The Mearl Corp.
"Mearl Pearlescent Pigments for Use in Printing Inks", The Mearl Corp.
"Mearlin Luster Pigments", The Mearl Corp.
"Mearlin Satin White News Release", The Mearl Corp.
Marcus Stephen
Pascua Jes F.
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