Title:
INFORMATION-CONCEALED POSTCARD AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2006/003743
Kind Code:
A1
Abstract:
An information-concealed postcard consisting of one sheet and release paper (19) adhered to the rear surface thereof. The sheet has a first region and a second region with a folding line (12) as the boundary. On the surface of the second region are formed first perforation (15) extending in parallel with the folding line and second perforation (16) extending in parallel with the first perforation in the direction separating from the folding line. On the rear surface of the second region, a first adhesive layer (17) is formed between the folding line and the first perforation, and a second adhesive layer (18) is formed between a side of the second region extending in parallel with the folding line and the second perforation. After the rear surface of the second region and the rear surface of the first region are adhered to each other, the first adhesive layer has an adhesion force capable of being peeled off and re-adhered and the second adhesive layer has an adhesion force incapable of being peeled off. If a region (21) between the first perforation and the second perforation has not been cut away when the information-concealed postcard is received, one can confirm that the postcard has not been opened.
Inventors:
OKI KAZUHIRO (JP)
SATOU MISAKO (JP)
OKI HIDEAKI (JP)
OKUMOTO TETSUSHI (JP)
YANO SEISYU (JP)
SATOU MISAKO (JP)
OKI HIDEAKI (JP)
OKUMOTO TETSUSHI (JP)
YANO SEISYU (JP)
Application Number:
PCT/JP2005/004312
Publication Date:
January 12, 2006
Filing Date:
March 11, 2005
Export Citation:
Assignee:
OKI KAZUHIRO (JP)
SATOU MISAKO (JP)
OKI HIDEAKI (JP)
OKUMOTO TETSUSHI (JP)
YANO SEISYU (JP)
SATOU MISAKO (JP)
OKI HIDEAKI (JP)
OKUMOTO TETSUSHI (JP)
YANO SEISYU (JP)
International Classes:
B42D15/02; (IPC1-7): B42D15/02
Foreign References:
| JPH08187977A | 1996-07-23 | |||
| JPH07214947A | 1995-08-15 | |||
| JP2003276367A | 2003-09-30 | |||
| JP2002166684A | 2002-06-11 | |||
| JPH0825848A | 1996-01-30 | |||
| JPH05193288A | 1993-08-03 | |||
| JPH07171166A | 1995-07-11 | |||
| JPH11129654A | 1999-05-18 |
Attorney, Agent or Firm:
Amano, Hiroshi (40-4 Shiba 3-chom, Minato-ku Tokyo 14, JP)
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