发明名称 EXPANSIBLE ENVELOPE
摘要 <p>An expansible envelope container, folder, bag and the like formed from a one-piece unitary blank is provided. The envelope includes a front panel and rear panel separated by a bottom panel. Each of the front and rear panels has a flap extending outwardly from its left and right side edges. Each of these flaps includes an adhesive and an adhesive-free zone. The front and rear panel right side flaps are secured to each other and similarly the front and rear panel left side flaps are secured to each other. An integral blank for forming the envelope container, folder, bag and the like is also disclosed.</p>
申请公布号 CA1019291(A) 申请公布日期 1977.10.18
申请号 CA19740215757 申请日期 1974.12.11
申请人 TURKENKOPF, EUGENE 发明人 TURKENKOPF, EUGENE
分类号 B65D30/00 主分类号 B65D30/00
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