Plastic container with decorative recessed features and associated method and apparatus for manufacture thereof
US6827228B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2002 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Aug 8, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2501/0036
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A bubble 6 formed in the wall 7 of a plastic container having, an interior surface 8, an exterior surface 9 and a wall thickness 29 and being suitable for containing a liquid under pressure e.g., a carbonated beverage, including an integral structure formed of a central dome 10 having a convex outer surface 11 facing toward the adjacent exterior surface 9 and connected with an annular trough 18 having an annular concave surface facing the adjacent the exterior surface 9, a frustum 20 interconnecting the trough 18 with the dome or an outer ring of curved cross-section, the outer ring having an annular concave surface facing toward the interior 14, integrally formed with the container wall 7 surrounding the bubble, the bubble having a thickness approximately equal to the wall thickness. An associated container, blow mold and method are also included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.