Method for manufacturing pipe fitting, and pipe fitting
US6258197A · kind A · utility
9Cited by
4References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 23, 1998 |
| Grant date | Jul 10, 2001 |
| Priority date | — |
| Expiry date | Oct 23, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2995/005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a method for manufacturing a pipe fitting, said method comprising manufacturing a preform (1) of plastic, and forming an additional layer (3) on top of it. According to the invention, the additional layer (3) is formed by winding a film on the preform until the desired total wall thickness is reached, and the film is wound using at the same time pretensioning in a desired direction. The invention further relates to a pipe fitting manufactured by this method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.