Child resistant closure assembly
US4385711A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1981 |
| Grant date | May 31, 1983 |
| Priority date | — |
| Expiry date | Jul 24, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2543/00944
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An improved plastic container and closure comprising an open end container having a bottom and side wall extending upwardly therefrom; a cylindrical collar connected to the side wall through an annular transverse wall, the collar and annular transverse wall having at least one vertical slot therein, the side wall below the upper edge of the container having an external annular shoulder; and a closure defining a circular disk and a cylindrical skirt extending from the periphery thereof, the skirt on the inside thereof having an annular shoulder spaced from the disk a distance greater than the distance of the shoulder on the container from its upper edge so that when the closure is fitted over the container the skirt fits between the container wall and collar and the shoulder on the skirt snaps over the shoulder on the container to maintain the closure in a fitted position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.