Patent ID: 11904373
Assignee: ZAPADOCESKA UNIVERZITA V PLZNI
Field: Surface technology, coating (Chemistry)
Classification: CPC B  C  H  Y | IPC B  C  H

Claim 6:
7. A modified deep-drawing sheet blank for electric resistance heating comprising a first edge, a second edge, and a forming zone having a perimeter,
wherein the first edge is positioned opposite the second edge,
wherein the forming zone is an area where deformation occurs,
wherein a plurality of slits are formed in the first edge and the second edge of the modified sheet blank,
wherein the slits are transversely positioned to an electric current flow and the slits are extended towards the perimeter of the forming zone,
wherein each of the slits comprise a slit end, wherein the slit ends are extended towards the perimeter of the forming zone and are branched and rounded.