Patent · US Expired

Electroforming mandrels with contoured surfaces

US6007692A · kind A · utility

64Cited by
10References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 1993
Grant dateDec 28, 1999
Priority date
Expiry dateApr 5, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25D1/10
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A mandrel comprising a surface effective for electroforming an article thereon, wherein a portion of the mandrel has a contoured surface effective for facilitating axial movement away from the mandrel of the article formed thereon when the article experiences circumferential motion relative to the mandrel.

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