Tube dispenser capable of creating a suckback effect in the nozzle
US5301840A · kind A · utility
41Cited by
22References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 22, 1993 |
| Grant date | Apr 12, 1994 |
| Priority date | — |
| Expiry date | Jun 22, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D35/40
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The tubes of this invention are deformable and will usually not be collapsible. The tubes have a view window and a elongated nozzle. The tubes can be made by blow molding or extrusion. The view window permits a person to determine the contents remaining in the tube and the nozzle provides for ease in dispensing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.