发明名称 Business letter prodn. system - uses sections of endless strips forming rear and cover sheet glued together
摘要 <p>The system produces business letter ready for posting, the rear sheet of the envelope containing the original text and the cover sheet with inspection window being joined by heat-sealing glue. The rear sheet and the cover each form sections of endless strips with detachable edges containing guide holes. These are combined after the printing station and then parted off to form the individual letters. On the cover sheets there can be a layer of hot sealing glue extending right the way round.</p>
申请公布号 DE2900226(A1) 申请公布日期 1980.07.10
申请号 DE19792900226 申请日期 1979.01.04
申请人 FA.OTTO SCHNUG 发明人 HEINRICH,REINHARD
分类号 B42D5/02;(IPC1-7):65D27/10 主分类号 B42D5/02
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