Package tube
US3949871A · kind A · utility
12Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 1975 |
| Grant date | Apr 13, 1976 |
| Priority date | — |
| Expiry date | Jan 7, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D35/44
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The package tube according to the invention is characterized in that its closing means has at least one portion having a larger dimension than the hole in a spreading sponge or the like thrust on the tube neck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.