Can with improved opening structure
US6793089B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 27, 2001 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Sep 27, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D17/401
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A can (20) includes a main body (22) having a predetermined cavity (21) for storing beverage, a seal member (30) sectioned by an arch shaped notch portion (24) formed on an upper surface of the main body and having first and second inclined portions (32, 33) with respect to a support wrinkled portion (31) formed with a step, a thimble portion (34) formed at the seal member such that the support wrinkled portion adjacent to the notch portion can be vertically disposed at a central portion thereof, a wrinkled portion (35) formed at the second inclined portion and bent in a wave shape when the notch portion is destroyed, and an initial destruction portion (36) formed at a portion adjacent to the thimble portion and the notch portion for initially destroying the notch portion when the thimble portion is bent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.