Reinforced central base structure for a plastic container
US5785197A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 1, 1996 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | Apr 1, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D1/0284
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A plastic container of the present invention comprises a neck portion defining an opening, a shoulder portion continuous with the neck portion, and an intermediate sidewall portion continuous with the shoulder portion. The intermediate sidewall portion defines a major portion of a volume for holding a content. A base portion is also provided which is continuous with the intermediate sidewall portion. The base portion has a structure for supporting the container on a support surface and a surface feature for enhancing the strength of the structure. In a preferred embodiment, the structure is preferably comprised of one of a circumferential support ring and a plurality of circumferentially positioned feet. The surface feature for enhancing strength is substantially centered with respect to the structure. The surface feature for enhancing strength preferably comprises an indentation having a strength enhancing surface texture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.