METHOD FOR PRODUCING METAL ELEMENTS, IN PARTICULAR SEALING ELEMENTS

• US 20120070272A1
• Filed: 05/20/2010
• Published: 03/22/2012
• Est. Priority Date: 05/22/2009
• Status: Abandoned Application

• Current Assignee: Federal-Mogul Sealing Systems GmbH (Apollo Global Management, Inc.)
• Original Assignee: Federal-Mogul Sealing Systems GmbH (Apollo Global Management, Inc.)
• Inventors: Prehn, Rolf
• Application Number:
  US13/322,062
• Publication Number:
  US 20120070272A1
• Time in Patent Office: Days
• US Class Current: 415/173.1
• CPC Class Codes: B21D 53/20 washers, e.g. for sealing
• CPC Class Codes: F16J 15/0887 the sealing effect being obtained by elastic deformation of the packing
• CPC Class Codes: Y10T 83/04 Processes

Abstract

A method for producing metallic elements, and more particularly sealing elements, wherein a sheet metal strip or a foil strip having a predefinable length, width, and thickness is generated and the sheet metal strip or foil strip is formed to obtain a tube, the mutually opposing end regions or parts, or the entire contact surface of the sheet metal strip or foil strip, are connected to each other non-positively or positively or by bonding, or combinations thereof, and the entire length of the tube, or portions thereof, is subjected to a mechanical shape-forming process so that predefinable contours are introduced into the outer or inner circumferential surface of the tube in defined locations by a means, and the tube is divided into an appropriate number of individual elements, and in particular sealing elements, especially sealing rings for turbochargers.

Claims

1. (canceled)

6-8. -8. (canceled)

9. A turbocharger having a sealing ring produced by a method comprising forming a sheet metal strip or foil strip into a tube as an intermediate product, operatively connecting mutually opposed or overlapping ends or end regions of the tube, by a mechanical shaping process contouring at least a portion of an outer or an inner circumferential surface of the tube along at least a portion of the length of the tube, and dividing the tube into a plurality of elements comprising respective turbocharger sealing rings.

2. The turbocharger having a sealing ring according to claim 9, wherein in the method of producing the sealing ring the mechanical shaping process comprises forming grooves of predetermined contour by means of a multi-roller shaping apparatus.

3. The turbocharger having a sealing ring according to claim 9, wherein in the method of producing the sealing ring the dividing of the tube is by roller-cutting.

4. The turbocharger having a sealing ring according to claim 9, wherein in the method of producing the sealing ring the dividing of the tube is by laser cutting.

5. The turbocharger having a sealing ring according to claim 9, wherein in the method of producing the sealing ring the dividing of the tube is by water jet cutting.