Child-resistant closure and container assembly including improved outer cap
US4319690A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1980 |
| Grant date | Mar 16, 1982 |
| Priority date | — |
| Expiry date | Nov 14, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D50/041
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A safety closure and container assembly including a container and a closure comprising outer and inner caps which may be attached to the container by conventional capping machines. In first, second, third and fourth embodiments of the invention, the inner cap is formed with a circular dome-shaped top panel with a skirt portion projecting axially therefrom. The projecting skirt portion is threaded on its interior surface for engagement with a conventionally threaded container finish. A plurality of upwardly extending and spaced apart drive members are integrally molded with the periphery of the top panel. A plurality of ramped ratchet lugs also extend upwardly from the upper surface of the top panel. The outer cap has a circular end wall with an axially projecting second skirt portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.