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Method for manufacturing headrest stay

  • US 20060236520A1
  • Filed: 04/25/2006
  • Published: 10/26/2006
  • Est. Priority Date: 04/26/2005
  • Status: Abandoned Application
First Claim
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1. A method for manufacturing a headrest stay including an embedded portion to be embedded into a headrest main body, and inserted portions to be inserted into a top portion of a seat back integrally made of a metal pipe in one piece unit, comprising the steps of:

  • cutting a linear-shaped metal pipe material into a predetermined length;

    chamfering end surfaces of the cut metal pipe;

    forming a notch at a predetermined position on an outer peripheral surface of the metal pipe;

    plating the surface of the linear-shaped metal pipe so as to form a plated layer after the chamfering and notch forming steps; and

    bending the plated metal pipe into the shape of the substantially letter U so as to form said inserted portions at opposite end portions whereas forming said embedded portion at a middle portion after the plating step, wherein said bending step is executed after said plating step.

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