Two-chamber dispenser for a gas-pressurized or non-pressurized package
US5123560A · kind A · utility
5Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1990 |
| Grant date | Jun 23, 1992 |
| Priority date | — |
| Expiry date | Jan 19, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/026
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The two-chamber dispenser comprises a rigid or semi-rigid one piece can body with a shoulder forming a flanged opening and a flexible pouch which is inserted inside and is made of a material for providing a diffusion barrier. The dispenser is for liquid, pasty or creamy contents. The pouch is made of a laminate and features a neck in the region of the flange. The flange is suitable for clinching on a valve or pump plate after filling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.