BorgWarner Inc.
CHAIN CONTROL DEVICE WITH ELASTOMER FACE OVERMOULDED USING TWO-SHOT INJECTION MOULDING

Last updated:

Abstract:

A method of forming a tensioner arm bracket, chain guide, snubber or tensioner arm with two shot injection molding. The tensioner arm bracket, chain guide, snubber or tensioner arm each having a body and a chain sliding face. The body of the tensioner arm bracket, chain guide, snubber or tensioner arm bracket is formed of by a first shot of thermoplastic polymer or thermosetting resin and the chain sliding face is formed by a second shot of thermoset elastomer which is overmoulded onto the body. The body of the component is made of either a thermoplastic or thermosetting resin is fixed to its chain sliding face either by one or more of an anchor point generated by undercuts in the body and/or chemical bonds between the dissimilar materials.

Status:
Application
Type:

Utility

Filling date:

29 Apr 2022

Issue date:

18 Aug 2022