发明名称 |
Roofing asphalt packaging and method |
摘要 |
A packaging for roofing asphalt comprising a polypropylene film 1.0 to 1.8 mils thick with a melting point between 275 DEG F. and 335 DEG F. as the sole containment, and a method for manufacturing the same are disclosed.
|
申请公布号 |
US5452800(A) |
申请公布日期 |
1995.09.26 |
申请号 |
US19930170680 |
申请日期 |
1993.12.20 |
申请人 |
PETRO SOURCE REFINING PARTNERS |
发明人 |
MUIR, RAUN S. |
分类号 |
B65B63/08;(IPC1-7):B65D57/00 |
主分类号 |
B65B63/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|