Tube head for protecting an insert forming a barrier
US9975691B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2013 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Jul 26, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D35/12
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a plastic tube head for a product having a liquid to pasty consistency, comprising: a neck, a shoulder, an insert forming a barrier which is arranged on the inner surface of the shoulder, said insert comprising at least one metal layer and having an outer edge, the outer edge of the insert and a portion of the face of the insert which is oriented towards the internal volume of the tube and is adjacent to said outer edge being covered by an outer support, characterized in that said outer support has a thickness H and covers a length L of the face of the insert face which is oriented towards the internal volume of the tube, said thickness H and said length L being such that H≥L.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.