Inventor
MENNE FRANZ FERDINAND
DE3 patents
Patents
3 patentsUS10632523B2Apr 28, 2020
Self-piercing rivet die
BOELLHOFF VERBINDUNGSTECHNIK GMBH2 citations66
US10683884B2Jun 16, 2020
Semi-tubular self-piercing rivet for thin sheet metal joints, method for producing said semi-tubular self-piercing rivet, and method for producing a joint
BOELLHOFF VERBINDUNGSTECHNIK GMBH1 citations55
US11686336B2Jun 27, 2023
Semi-hollow punch rivet, a punch rivet joint of at least two components by means of a semi-hollow punch rivet as well as a method for connecting the components with the semi-hollow punch rivet
BOELLHOFF VERBINDUNGSTECHNIK GMBH0 citations40