Patent · US Expired

Rolls for hot dipping bath

US5391135A · kind A · utility

11Cited by
9References
16Claims
0Family size

Assignees

Inventors

Key dates

Filing dateApr 26, 1993
Grant dateFeb 21, 1995
Priority date
Expiry dateApr 26, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C2/00344
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A roll for hot dipping bath includes at its outer peripheral surface at least one spiral groove for the discharge of dross. In this roll, the outer peripheral surface existing between the adjoining groove portions includes a rough surface, capable of applying a molten metal composition to a sheet of metal without transferring a groove mark to the sheet.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.