Closure conversion apparatus for existing closure applicating machines
US4295320A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 9, 1980 |
| Grant date | Oct 20, 1981 |
| Priority date | — |
| Expiry date | Jan 9, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67B3/2073
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
This invention provides substitute capping heads to apply a threaded closure on a bottle neck through the utilization of existing machines which were designed to apply an aluminum closure on a bottle neck by in situ formation of the threads in an aluminum shell. The modified capping heads embodying this invention utilize the same rotational and vertical movements of the capping heads relative to the containers, but effect a frictional engagement with a pre-formed, internally threaded plastic closure to effect the screwing of such closure onto a bottle neck with the effective application torque being limited by a slip clutch incorporated in the drive train of the modified capping head. Such clutch is isolated from ambient humidity conditions, and in some modifications operates in an oil bath.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.