Patent · US Expired

Split type sectional forming roll

US4103406A · kind A · utility

8Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 1977
Grant dateAug 1, 1978
Priority date
Expiry dateMar 16, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB21D5/08
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A split type sectional forming roll in which a split roll is formed at least two roll segments, a separating line of a roll segment to have an acute angle in a roll segment section adjacent to a side portion of another roll segment has an angle to a vertical line which is perpendicular to a roll shaft in outer peripheral portion and a separating line parallel to the above described vertical line in inner peripheral portion. Thereby the roll segments prevents damages of roll such as breakage or chipping out so that this split type sectional forming roll has a longer life sharply.

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