Title:
RE-USABLE ENVELOPES
Document Type and Number:
WIPO Patent Application WO1993019991
Kind Code:
A3
Abstract:
An envelope (10) comprising a flat flexible container having a document storage space sealable by a flat (20) foldable from a front portion (14) of the container over a mouth (18) thereof to enable sealing of the storage space by adhering said flap to a back portion (16) of the container. In one embodiment the sealing flap has at least two sealing portions (24) thereby allowing the envelope to be securely sealed by the flap by utilising an outermost sealing portion. On opening, the envelope can be reused by utilising the second or subsequent sealing portion (24). In a second embodiment, there is provided a second flap (28) which, in addition to the first flap, allows the envelope to be reused at least twice. In a further embodiment, the envelope includes a detachable address portion (30).
Inventors:
HUSNU AHMET MEHMET (GB)
Application Number:
PCT/GB1993/000451
Publication Date:
November 25, 1993
Filing Date:
March 04, 1993
Export Citation:
Assignee:
HUSNU AHMET MEHMET (GB)
International Classes:
B65D27/06; (IPC1-7): B65D27/06
Foreign References:
| US4917287A | 1990-04-17 | |||
| US4993624A | 1991-02-19 | |||
| FR1175060A | 1959-03-19 | |||
| US5025980A | 1991-06-25 | |||
| US3512702A | 1970-05-19 |
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