Storage container with self-retaining lip
US5868268A · kind A · utility
Inventor
Key dates
| Filing date | Feb 20, 1997 |
| Grant date | Feb 9, 1999 |
| Priority date | — |
| Expiry date | Feb 20, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D55/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A storage container with self-retaining lid includes a lid and a storage container. The structure for attaching the lid can be molded on to the bottom of the storage container, molded to the top of the lid, or molded to the lid and the bottom of the storage container. There are several preferred embodiments of the self-retaining lid. In a first preferred embodiment, the lid has a rim with a recessed cavity for firmly receiving a lip of the storage container. In a second preferred embodiment, a bottom of the storage container has a lip which is sized to be firmly inserted into a sealing cavity of the lid. In a third preferred embodiment, a bottom of the storage container has a plurality of balls which are disposed to mate with a plurality of sockets on the lid. In a fourth preferred embodiment, a plurality of hooks are molded into at least two sides of the container and sized to receive the peripheral edge of the lid. In a fifth preferred embodiment, the bottom of the storage container has a plurality of corner lips which are sized to be firmly inserted into the sealing cavity of the lid. In a sixth preferred embodiment, the lid has a plurality of blocks with recessed cavities for f…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.