Patents Examined by Felmming Saether - Justia Patents Search

Patents Examined by Felmming Saether

Production of a planned distribution of internal stress in components by the insertion of screws or threaded rods having a thread pitch that is variable in the longitudinal direction

Patent number: 9151314

Abstract: Method for reinforcing a component and/or for introducing force into a component using a screw or a threaded rod, wherein the screw or threaded rod has a thread with a variable thread lead, which thread creates an internal stress distribution, which is suitable to reduce at least one maximum in the bond stress occurring under loading of the component.

Type: Grant

Filed: July 11, 2008

Date of Patent: October 6, 2015

Assignee: LUDWIG HETTICH & CO.

Inventor: Ulrich Hettich