Patent · US Expired

Roller for forming corrugated fin

US5679106A · kind A · utility

5Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 1995
Grant dateOct 21, 1997
Priority date
Expiry dateDec 22, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/53122
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

To produce a corrugated fin suitably used to fabricate heat exchangers such as radiators, condensers of the air conditioners, etc., for automobiles, a toothed roller for forming a corrugated fin has circumferential teeth comprising a tooth tip having a concavity, a tooth bottom having a convexity, and a tooth slope having a louver cutting edge between the tooth tip and the tooth bottom, wherein a top of the convexity of the tooth bottom is located at a forward offset from a center line of the tooth bottom with respect to a direction of rotation of the roller.

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