Method for forming a welding spout on a parison during the blowing of a tank
US11305644B2 · kind B2 · utility
0Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2019 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Dec 5, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K2015/03046
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a tank of plastics material produced by blow-molding of a parison, incorporating a welding spout, of a shape projecting from its outer surface which has an edge configured to be welded to a corresponding edge of an attached part, the welding spout ending axially, on an inside of the tank, in a shape resulting from contact molding between the parison and a molding component, in which the welding spout ends axially on an outside of the tank in a shape resulting from contact molding between the parison and a molding component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.