Welding joint and welding method for same, welding device, welding joint, resin pipe welding device and welding method
US9644774B2 · kind B2 · utility
3Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2011 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Sep 20, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C66/8223
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A synthetic resin-made welding joint that has a pipe end portion into which an end portion of a synthetic resin-made tube is to be fitted and inserted, and that is configured so that the pipe end portion and the tube end portion which is fitted and inserted thereinto are enabled to be welded together by heating of heating means which externally surrounds the pipe end portion, therefore, a synthetic resin-made holder which is fitted and attached onto the pipe end portion is disposed, and a flange for ensuring a radial expansion gap with respect to the heating means is integrally formed in the holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.