发明授权
US5820953A Thermoformed package with integrated predetermined breaking points, and a process for the production thereof 失效
具有集成预定断裂点的热成型包装及其生产方法

Thermoformed package with integrated predetermined breaking points, and
a process for the production thereof
摘要:
A thermoformed plastic package with integrated predetermined breaking points formed by discrete regions in the plastic matrix at which points the mechanical properties of the plastic have been modified by action of a laser beam.
公开/授权文献
信息查询
0/0