Container cap with a liner retention structure
US11970312B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 28, 2018 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Nov 28, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2251/0093
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A cap for a container having a pair of side walls each with an inner wall surface. Each inner wall surface having a minimum of two pairs of ribs distributed thereon for retention of a liner. Each of the a minimum of two pairs of ribs has a concave arc with a concave radius of curvature forming a curved portion of the inner wall, and a convex arc. Each of the a minimum if two pairs of ribs has a different overall configuration that facilitates removal, and securing onto, of the cap from/to the container without damage of the ribs and the retention of the liner in the cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.