Packing material and packing containers manufactured from the material
US5158816A · kind A · utility
13Cited by
5References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 31, 1989 |
| Grant date | Oct 27, 1992 |
| Priority date | — |
| Expiry date | Jul 31, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31692
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A flexible material comprises a sheet or web of deformable heat-sealable plastic material having at least one face a surface relief pattern comprising a multitude of small, closely spaced depressions and/or elevations serving to impart increased rigidity and optionally one or more layers, e.g. of aluminum foil, laminated to said plastic material over said relief pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.