| 摘要 |
PROBLEM TO BE SOLVED: To drastically reduce the charge burden of mail addressed and sent by each entrepreneur to users thereof. SOLUTION: This device 4 has a mail housing tray group 41 for housing plural pieces of mail 1a-1f sorted each prescribed delivery area such as the same zip code, a mail extraction device 42 for reading bar codes 14 on the address faces of the plural pieces of mail of each entrepreneur to conduct retrieval, for example, optically and extracting plural sets of lapped mail groups 2 in which bar codes 14 coincide with each other one by one, and a mail lapping/weight sorting device 43 in which, for example, the address faces of the plural sets of lapped mail groups 2 are arranged in the same direction to collect the groups 2 in order, and envelops 3 each with a transparent film window are sorted in order every prescribed weight as plural pieces of new intensive mail every weight division.
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