| 摘要 |
<p>PROBLEM TO BE SOLVED: To output address information and enclosing sheet information at a time by using a letter sheet formed of a sheet forming an envelope and an enclosing sheet formed continuously as a series and make the number of enclosing sheets variable in compliance with the volume of information to be provided. SOLUTION: A letter sheet is provided with an envelope upper sheet 2 and an envelope lower sheet 3 overlapped in the zigzag shape so that an enclosing sheet 4 is positioned between the upper and lower sheets, and an enclosing sheet 4a continuing to the envelope upper sheet 2 is provided with a cut-off section 7 overlapped with the cutting-off section 7 on the side of wall section 5 of the envelope upper sheet 2 and a sealing section 6 facing a sealing section 6 of a sealing sheet 4b continued to the envelope lower sheet 3 are provided on a side along the side of the folding section 5 of the envelope upper sheet 2. The enclosing sheet 4b continued to the envelope lower sheet 3 is provided with the cutting-off section 7 to be overlapped to the side of the cutting-off section 7 of the side of the folding section 5 of the envelope lower sheet 3 and the sealing section 6 facing the sealing section 6 of the enclosing sheet 4a continued to the envelope upper sheet 2 on the section along the folding section 5 on the side of the envelope lower sheet 3, and an overlapping section of respective sealing sheets 4 when they are overlapped is so set as to be positioned in an envelope section formed of the envelope upper sheet 2 and the envelope lower sheet 3.</p> |
