Extruded cold-expansion compression collar
US11543065B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 25, 2017 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Jun 19, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/24
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed are systems and methods for manufacturing compression collars for reinforcing sealed connections between a length of piping and a plumbing fitting. Specifically, compression collars and related methods of making include extruding a hollow tube having one or more ridges which are then partially removed or trimmed to provide positioning tabs on one end of the compression collar. The compression collars can be cut to the desired length from the extruded hollow tube. In this way, compression collars with features for enhancing the strength and reliability of an interference fit, as well as their ease of use, can be manufactured rapidly with little material waste through modifications to the extrusion process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.