Plastic container
US4133449A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 28, 1975 |
| Grant date | Jan 9, 1979 |
| Priority date | — |
| Expiry date | Jul 28, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2251/105
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An integrally formed, one-piece, generally rectangular, plastic container particularly adapted for holding medicines is disclosed. The container includes a generally rectangular bottom section which is connected to a rectangular top section by means of an integrally formed, flexible, plastic hinge at the rear of the two sections. In the closed position, the top section overlies the bottom section and latch means lock the two sections together. The bottom section has a planar bottom wall, two opposed, upturned sidewalls, an upturned front wall, and an upturned back wall, all of which are integrally formed and connected to each other. The top section has a planar top wall, two downturned sidewalls and a downturned front wall, all of which are integrally formed and connected to each other, and a downturned back wall integrally formed and connected to the top wall. The thickness of the container at the connection of the downturned back wall and the top wall is reduced. Also the downturned back wall and the top wall are joined so as to form an obtuse angle with each other. The container requires that equal pressure be applied to the rear corners thereof in order to disengage the latch m…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.