Light-weight, flexible, easy-open, impermeable package system
US4058632A · kind A · utility
27Cited by
10References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1976 |
| Grant date | Nov 15, 1977 |
| Priority date | — |
| Expiry date | Oct 12, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31681
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A light weight flexible easy open impermeable metal foil package including a peripheral thermoplastic seal an intermediate solder seal, and an inner thermoplastic seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.