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Igniter case

  • US 10,584,945 B2
  • Filed: 12/17/2015
  • Issued: 03/10/2020
  • Est. Priority Date: 12/22/2014
  • Status: Expired due to Fees
First Claim
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1. A method of manufacturing a metallic case of a pyrotechnical igniter, the pyrotechnic igniter including a wall having at least one weak zone and an inner surface in the case with at least one part facing the at least one weak zone, the method comprising:

  • positioning the case on a matrix having a plane zone; and

    striking the wall with at least one punch so as to, in a single movement of striking;

    deforming at least the at least one part of the inner surface facing the at least one weak zone and having at least one initially curved-in zone in order to bring on the plane zone and to form an inner plane inner surface, andto form the at least one weak zone.

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