Method for production of a combustion chamber tube for restraint systems in vehicles and device for implementation of the method
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United States of America Patent
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Jun 5, 2018
Issued Date -
Jun 8, 2017
app pub date -
Dec 7, 2016
filing date -
Dec 8, 2015
priority date (Note) -
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Abstract
A method and device for production of a combustion chamber tube for restraint systems in vehicles. The combustion chamber tube is embossed by several embossing dies arranged stellate around the combustion chamber tube and movable by an annular compression module with several punches movable in synchronized fashion in the radial direction and two inner punches extending into the ends of the combustion chamber tube, each with a support mandrel and a shaping mandrel movable relative to support mandrel. The combustion chamber tube is embossed from the outside by the embossing dies radially movable via punches against the support mandrels and the ends of the combustion chamber tube are shaped by shaping mandrels movable relative to support mandrels when the embossing dies are closed.
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