Product bag for dispensing and method for producing the same
US5169037A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1991 |
| Grant date | Dec 8, 1992 |
| Priority date | — |
| Expiry date | Dec 27, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2231/004
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A product dispenser includes a unique product bag/valve configuration. The product is stored in the product bag. Pressure in the container surrounding the bag determines the dispensing pressure. The valve has a valve extender with a unique shape to enhance sealing the valve to the bag. The product bag includes a gusset along a bottom portion. The gusset opens when product is introduced into the bag. The gusset supports the bag when in contact with a bottom dome shaped portion of the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.