Process for the production and packaging of a bag-type dispenser, sub-assemblies and corresponding dispensers
US5123571A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1991 |
| Grant date | Jun 23, 1992 |
| Priority date | — |
| Expiry date | Jul 11, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/026
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A bag-type dispenser comprising a casing including a tubular body and a separate body portion, a tubular skirt, a dispensing portion and a one-piece molded annular dome of plastic material including an upper annular portion fixed to the dispensing portion, a lower tubular portion directly and sealingly fixed to the tubular skirt at an upper portion of the skirt over a height of 5 to 20 mm, and a lower annular portion outside the lower tubular portion, directly and sealingly fixed to the tubular body at an upper end. The dispenser can be filled with product by way of a lower end of the tubular skirt which is open, and which can subsequently be closed to form a bag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.