发明名称 Container with heat seal surface having a substantially planar portion
摘要 A sealed composite container is provided, the container including a tubular body member comprising at least one paperboard body ply. The container further comprises a liner ply adhered to the inner surface of the tubular body member, the liner ply comprising a barrier layer. At least one end of the body member and liner ply are rolled outwardly to form a rim and expose the liner ply. The rim defines a heat seal surface having a substantially planar portion. A lid is operatively positioned adjacent to the rim and heat sealed thereto, the lid also comprising a barrier layer. At least one of the lid and liner ply further comprise a seal layer comprising a heat sealable composition, the seal layer forming a heat seal between the lid and the liner ply having a substantially planar portion.
申请公布号 US6234386(B1) 申请公布日期 2001.05.22
申请号 US19990416169 申请日期 1999.10.11
申请人 SONOCO DEVELOPMENT, INC. 发明人 DRUMMOND MICHAEL T.;WILLIAMS ALAN D.;OSMAN RICK A.;GENTILE MICHAEL;KRISHNARAJ VARADARAJAN
分类号 B29C65/00;B29C65/02;B31B1/64;B31B17/00;B65D3/22;B65D43/02;B65D51/20;B65D77/20;(IPC1-7):B65D3/26 主分类号 B29C65/00
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