Plastic bottom for package
US8245872B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 2007 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Apr 24, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D3/10
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention relates to a rigid or semirigid plastic part designed to form the bottom of a package whose side wall consists of a laminated film. The plastic part has a central axis and includes the following features: a peripheral welding zone designed to contact and be welded to the inside surface of the side wall; a convex inside face and a concave outside face; the inside face and the outside face each comprise a zone whose centre is on the axis and which is designed to contact a tool used to attach the part to the side wall; and a profile at least partially defined by a curve. The invention also relates to a package having a bottom consisting of the plastic part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.