发明名称 FORMED PAPER TRAY HAVING FLANGED PART
摘要 <p>PROBLEM TO BE SOLVED: To provide a formed paper tray having a flanged part, using stretchable paper, having the high degree of freedom of a shape, and excellent in barrier properties with high sealing properties. SOLUTION: A thermoplastic resin layer (3) is laminated on a recess/ protrusion-forming surface of stretchable paper (2) provided with line-like recesses and protrusions formed in advance at least in one direction, and a laminate (1) is thus formed. After heating the laminate (1) from the side of the thermoplastic resin layer face thereof, it is formed into a paper tray by a forming method of any one of a pressure forming method, a vacuum forming method, a vacuum pressure forming method, or a pressing method. By using a thermoplastic resin having gas barrier properties for a part of the thermoplastic resin layer (3), barrier properties are imparted to the paper tray.</p>
申请公布号 JP2003137260(A) 申请公布日期 2003.05.14
申请号 JP20010334382 申请日期 2001.10.31
申请人 TOPPAN PRINTING CO LTD 发明人 WATANABE AKIRA;SAKUMA JUN
分类号 B65D1/34;B32B27/10;B65D65/40;B65D65/46;C08L101/16;(IPC1-7):B65D1/34 主分类号 B65D1/34
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