发明名称 |
Free edge-sealed film articles |
摘要 |
Free edge-sealed film articles and a method for making such, wherein the articles comprise a plurality of film portions and contain a free edge-seal between two of such portions, with one or both of the two free edge-sealed portions consisting essentially of a plurality of layers of diverse thermoplastic materials which are so ordered that on sealing the two portions together, the layered film portion is curled toward the other of the two free edge-sealed portions.
|
申请公布号 |
US5445865(A) |
申请公布日期 |
1995.08.29 |
申请号 |
US19930173281 |
申请日期 |
1993.12.27 |
申请人 |
DOWBRANDS |
发明人 |
MILLER, BURDETTE W.;MCCREE, JOHN O.;PRICE, WILLIAM D. |
分类号 |
B29C65/68;B29C65/00;B29C65/02;B29C65/74;B29L22/00;B32B1/02;B32B27/00;B32B27/08;B32B27/32;B65D33/22;(IPC1-7):B32B3/02;B65D30/08 |
主分类号 |
B29C65/68 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|