发明名称 |
Laminates structure of an expanded core panel and a flat sheet of material which does not easily bond and a process for making the same |
摘要 |
A method of bonding a sheet of hard to bond thermoformable material to a core made of expanded thermoformable material is disclosed. The sheet of thermoformable material is heated to its glass transition temperature and then pressed into voids in the core forming a mechanical bond in addition to the chemical bond.
|
申请公布号 |
US4315050(A) |
申请公布日期 |
1982.02.09 |
申请号 |
US19800115338 |
申请日期 |
1980.01.25 |
申请人 |
NORFIELD CORPORATION |
发明人 |
ROURKE, ROSEMARY |
分类号 |
B29C37/00;B29C65/00;B32B38/08;(IPC1-7):B32B3/12;B29C27/12 |
主分类号 |
B29C37/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|