Creamy or pasty product dispenser with a rotationally controlled aperture in the cap and with safety means against uncontrolled opening
US5199605A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 10, 1992 |
| Grant date | Apr 6, 1993 |
| Priority date | — |
| Expiry date | Jan 10, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D47/242
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dispenser having a head fixed on a body or a skirt, and a cap, with the cap comprising an outer skirt, a deformable internal crown and an intermediate ring, the head and the intermediate ring of the cap having complementary screw threads for raising and lowering the cap, the head including a stopper supported by sloping legs fixed inside the head and occluding an aperture of the cap when the cap is in a low position, the internal crown and the head cooperating sealingly once the cap is engaged on the head, the head including a shoulder which has at least one stop lug cooperating with a rib on the intermediate ring near its lower end to hinder an uncontrolled unscrewing of the cap when the cap is screwed downwards to close the dispenser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.