Method for forming a joint
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 14, 2016
Grant Date -
Aug 27, 2015
app pub date -
Oct 31, 2014
filing date -
May 13, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for forming a joint in at least one high strength sheet steel having a UTS in the range 200 to 1400 MPa using a self-piercing rivet includes the steps of: positioning the sheet material over a die and providing a rivet having a substantially cylindrical shank and a head, the shank having a central blind bore and an annular piercing end spaced from said head. The ratio of the difference between the outside and inside diameters of the shank in the region around the bore to the outside diameter of the shank is in the range 0.47 to 0.52. The method also includes positioning a rivet over the sheet material at a position opposite the die and using a punch to set the rivet and force it into the sheet material such that it pierces the upper surface thereof and such that the shank deforms outwardly to interlock with the material but without penetration to the die side of the material.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- B21J Class
- 171 Applications Filed
- 152 Patents Issued To-Date
- 88.89 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- B21J Class
- 28.36 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 14, 2027 |
