Closure for containers
US4033472A · kind A · utility
40Cited by
8References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 8, 1975 |
| Grant date | Jul 5, 1977 |
| Priority date | — |
| Expiry date | Apr 8, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/35
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A closure comprising a cap and downwardly depending band or skirt severable therefrom along a substantially annular predetermined tear line is disclosed. The band provides a tamper-proof or guarantee type closure. At least the band is made of heat deformable thermoplastic material whereby after positioning of the cap on the container the band is heat deformed to tightly encircle the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.