Device for thermoforming a pouring spout
US5498149A · kind A · utility
9Cited by
9References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 18, 1994 |
| Grant date | Mar 12, 1996 |
| Priority date | — |
| Expiry date | Jul 18, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/058
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a device for thermoforming a pouring spout from a sheet of thermoplastic material. The device includes a forming tool for engaging a first side of the thermoplastic sheet and a tube for advancing an outer closure portion or a screw cap to a second side of the thermoplastic sheet. A spacer ring of resiliently yieldable material is positioned on the advancement tube. A neck of the pouring spout is created between and upper side of the package and the outer closure portion or screw cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.