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Door frame for vehicle with improved anti-corrosive performance and method of manufacturing the same

  • US 9,550,408 B2
  • Filed: 12/15/2014
  • Issued: 01/24/2017
  • Est. Priority Date: 09/26/2014
  • Status: Active Grant
First Claim
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1. A door frame for a vehicle, comprising:

  • a three-stage superimposed portion which has a structure in which an upper steel plate layer, an intermediate steel plate layer, and a lower steel plate layer are superimposed, and in which a sealer for anti-corrosive performance is applied between the upper steel plate layer and the intermediate steel plate layer; and

    a curved portion which is formed at an upper side of the intermediate steel plate layer at a first end of the three-stage superimposed portion to prevent the applied sealer from being exposed to the outside.

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