Patents Represented by Attorney, Agent or Law Firm Hugh H. Abrams, Fitch, Even, Tabin & Flannery - Justia Patents Search

Patents Represented by Attorney, Agent or Law Firm Hugh H. Abrams, Fitch, Even, Tabin & Flannery

Continuous manufacture of push type CVT belt bands utilizing spiral winding & welding to form tube and slitting tube to form band of predetermined width

Patent number: 6497633

Abstract: A method for the manufacture of a band for use in a CVT transmission. The band is formed by spiral winding a thin strip into a continuous tube and then welding the thin strip along the spiral winding. The individual bands are cut off of the continuous tube as it is formed. The invention also includes the bands formed by the method.

Type: Grant

Filed: December 15, 1999

Date of Patent: December 24, 2002

Assignee: BorgWarner Inc.

Inventors: Roger P. Butterfield, Mark S. Ingianni, Douglas S. Fornell