Patent ID: 9636962
Date: 2017-05-02
CPC Classifications: B29C,B29K,B29L,B60G,F16F

Claim:
1. A method of securing a portion of a bellow to a metal guide tube of an air spring, the method comprising the steps of: placing the bellow, in an unformed state, in an outer mold form along with the guide tube, providing a bonding agent on a portion of an inner surface of the guide tube at a location where the bellow is to be fixed to the guide tube, the bonding agent being separate from material of the bellow, pressing the bellow against the outer mold to form the bellow and pressing the bellow against a portion of the guide tube so that the bonding agent contacts the guide tube and a portion of a peripheral surface of the bellow, curing the bellow and bonding agent, and after the curing step, removing the outer mold form, with the bonding agent fixing the formed bellow directly to the guide tube.