Container end member
US5307947A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1991 |
| Grant date | May 3, 1994 |
| Priority date | — |
| Expiry date | Apr 19, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2517/0094
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A container end member having a peripheral wall portion and an integral central wall portion is provided and which has at least one severable tab portion integral with the central wall portion and having a hinge portion having spaced apart ends and wherein a recessed portion is formed between the central end wall portion and the severable tab portion and has an axial thickness less than the axial thickness of the remaining portions of the central end wall portion and the severable tab portion and at least one severable score line groove having a main body portion and integral end portions defining the spaced apart ends of the hinge portion is formed in the recessed portion and at least a portion of the at least one score line groove extends in a transverse direction in the recessed portion. Also, apparatus is provided for controlling the amount of force applied to a container end member during the formation of a score line groove therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.