In accordance with one embodiment, a tamper resistant envelope comprises a first panel with an interior and an exterior side. The envelope further comprises a second panel attached to the first panel to define an interior portion having opposite side edges, a closed edge portion and an opening port
In accordance with one embodiment, a tamper resistant envelope comprises a first panel with an interior and an exterior side. The envelope further comprises a second panel attached to the first panel to define an interior portion having opposite side edges, a closed edge portion and an opening portion opposite the closed edge portion to provide access to the interior portion of the tamper resistant envelope; and a flap for sealingly adhering to an exterior surface of the first panel. The flap has an interior and an exterior side and is attached to the second panel at an edge of the second panel opposite the closed edge portion. The flap comprises thereon a first adhesive layer on the interior side of the flap comprising a first remoistenable adhesive deposited on the flap; a solid dye deposited on a portion of the first adhesive layer, wherein the dye is not visible on the exterior side of the flap; and a second adhesive layer comprising a second remoistenable adhesive deposited over the dye to encapsulate the dye. The dye is capable of being released upon contact with steam to provide a visual indication of the dye and an indication of tampering.
대표청구항▼
What is claimed is: 1. A tamper resistant envelope comprising: a first panel with an interior and an exterior side; a second panel attached to the first panel to define an interior portion having opposite side edges, a closed edge portion and an opening portion opposite the closed edge portion to p
What is claimed is: 1. A tamper resistant envelope comprising: a first panel with an interior and an exterior side; a second panel attached to the first panel to define an interior portion having opposite side edges, a closed edge portion and an opening portion opposite the closed edge portion to provide access to the interior portion of the tamper resistant envelope; and a flap for sealingly adhering to an exterior surface of the first panel, the flap having an interior and an exterior side and attached to the second panel at an edge of the second panel opposite the closed edge portion, the flap comprising thereon: a first adhesive layer on the interior side of the flap comprising a first remoistenable adhesive deposited on the flap; a solid dye deposited on a portion of the first adhesive layer, wherein the dye is not visible on the exterior side of the flap; and a second adhesive layer comprising a second remoistenable adhesive deposited over the dye to encapsulate the dye, wherein the dye is capable of being released upon contact with steam to provide a visual indication of the dye and an indication of tampering. 2. The tamper resistant envelope of claim 1, wherein the first remoistenable adhesive is a glue or gumming. 3. The tamper resistant envelope of claim 2, wherein the first remoistenable adhesive and the second remoistenable adhesive are the same. 4. The tamper resistant envelope of claim 1, wherein the dye is a powdered dye. 5. The tamper resistant envelope of claim 4, wherein the dye is a solid blue or black dye. 6. The tamper resistant envelope of claim 4, wherein the dye is not visible on the interior side of the flap. 7. The tamper resistant envelope of claim 6, wherein the envelope is constructed of cardboard or paper. 8. A method of making a tamper resistant envelope comprising: providing an envelope comprising: a first panel with an interior and an exterior side; a second panel attached to the first panel to define an interior portion having opposite side edges, a closed edge portion and an opening portion opposite the closed edge portion to provide access to the interior portion of the envelope; and a flap for sealingly adhering to an exterior surface of the first panel, the flap having an interior and an exterior side and attached to the second panel at an edge of the second panel opposite the closed edge portion; depositing: a first adhesive layer on the interior side of the flap comprising a first remoistenable adhesive; a solid dye on a portion of the first adhesive layer, wherein the dye is not visible on the exterior side of the flap; and a second adhesive layer comprising a second remoistenable adhesive over the dye to encapsulate the dye, wherein the dye is capable of being released upon contact with steam to provide a visual indication of the dye and an indication of tampering. 9. The method of claim 8, wherein the first remoistenable adhesive is a glue or gumming. 10. The method of claim 8, wherein the first remoistenable adhesive and the second remoistenable adhesive are the same. 11. The method of claim 8, wherein the dye is powdered dye. 12. The method of claim 11, wherein the dye is a solid blue or black dye. 13. The method of claim 12, wherein the dye is not visible on the interior side of the flap. 14. The method of claim 13, wherein the envelope is constructed of cardboard or paper. 15. A tamper evident sealing system for an envelope comprising a flap having an interior and an exterior side, the system comprising: a first remoistenable adhesive on the interior side of the flap; a dye deposited on a portion of the first remoistenable adhesive, wherein the dye is not visible on the exterior side of the envelope; a second remoistenable adhesive deposited over the dye to encapsulate the dye, wherein the dye is capable of being released upon contact with steam to provide a visual indication of the dye and an indication of tampering. 16. The tamper evident sealing system of claim 15, wherein the first remoistenable adhesive is a glue or gumming. 17. The tamper evident sealing system of claim 15, wherein the first remoistenable adhesive and the second remoistenable adhesive are the same. 18. The tamper evident sealing system of claim 15, wherein the dye is a powdered dye. 19. The tamper evident sealing system of claim 18, wherein the dye is a solid blue or black dye. 20. The tamper evident sealing system of claim 18, wherein the dye is not visible on the interior side of the flap. 21. The tamper evident sealing system of claim 20, wherein the envelope is constructed of cardboard or paper. 22. A tamper resistant envelope comprising: a first panel with an interior and an exterior side; a second panel attached to the first panel to define an interior portion having opposite side edges, a closed edge portion and an opening portion opposite the closed edge portion to provide access to the interior portion of the tamper resistant envelope; and a flap for sealingly adhering to an exterior surface of the first panel, the flap having an interior and an exterior side and attached to the second panel at an edge of the second panel opposite the closed edge portion, the envelope comprising thereon: a first adhesive layer on the interior side of the flap comprising a first remoistenable adhesive deposited on the flap; a second adhesive layer comprising a second remoistenable adhesive deposited on the exterior side of the first panel; and a solid dye deposited on a portion of the second adhesive layer or embedded therewith, wherein the dye is not visible on the exterior side of the flap and the dye is capable of being released upon contact with steam to provide a visual indication of the dye and an indication of tampering. 23. A tamper resistant envelope comprising: a first panel with an interior and an exterior side; a second panel attached to the first panel to define an interior portion having opposite side edges, a closed edge portion and an opening portion opposite the closed edge portion to provide access to the interior portion of the tamper resistant envelope; and a flap for sealingly adhering to an exterior surface of the first panel, the flap having an interior and an exterior side and attached to the second panel at an edge of the second panel opposite the closed edge portion, the paper or cardboard envelope comprising thereon: a first adhesive layer on the interior side of the flap comprising a first remoistenable adhesive deposited on the flap; a solid dye embedded in a portion of the first adhesive layer, wherein the dye is not visible on the exterior side of the flap; and a second adhesive layer comprising a second remoistenable adhesive deposited on the exterior side of the first panel, wherein the dye is capable of being released upon contact with steam to provide a visual indication of the dye and an indication of tampering.
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이 특허에 인용된 특허 (10)
Filbert John A. (P.O. Box 72073 Baltimore MD 21237) Filbert Serena A. (P.O. Box 72073 Baltimore MD 21237), Envelope and stamp moisturizer.
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