09925626 cites 24 patents.

The present invention concerns a forming process for hot forming of a steel sheet of a rotor blade to be produced of a wind power installation, including the steps heating the steel sheet in a furnace while the steel sheet is lying on a hearth bogie, displacing the heated steel sheet with the hearth bogie from the furnace into a pressing apparatus for the hot forming operation, transloading the heated steel sheet in the pressing apparatus from the hearth bogie on to a form bogie having a counterpart form, and pressing the steel sheet by at least one pressing punch which presses on the steel sheet in such a way that it is formed between the pressing punch and the counterpart form and in particular assumes the shape of the pressing punch and the counterpart form.

Title
Forming process for hot forming a steel sheet of a rotor blade to be produced for a wind energy plant
Application Number
14/236786
Publication Number
9925626 (B2)
Application Date
July 3, 2012
Publication Date
March 27, 2018
Inventor
Roy Kersten
Hohenwarthe
DE
Oliver Labs
Magdeburg
DE
Burkhard Voigt
Magdeburg
DE
Agent
Seed Intellectual Property Law Group
Assignee
WOBBEN PROPERTIES
DE
IPC
B23K 37/047
B23K 10/00
B23K 9/18
B21D 53/78
B23P 15/04
View Original Source