Blind rivet
US8328483B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 6, 2003 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Jan 6, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49956
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
There is provided a blind rivet (10) comprising an axially extending hollow tubular body (18) having a tail end face (22) at one end and a pre-formed radially enlarged flange (20) at the other end, together with a mandrel (30) having a stem (32) which extends co-axially though the body (18) and having enlarged head adjacent the tail end (22) of the body, the stem having a weakened region immediately adjacent the head, whereby the mandrel head having an outer diameter greater than an outer diameter of the body, usually by between 4% and 9%, and which has a uniform conical shoulder (38) extending between the outer diameter of the head and the stem (32), so as to exert a setting force having an axial component for compressing the rivet body axially and an angular component effecting conical deformation of the tail end radially.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.