Method for the manufacture of a hole in a component consisting of a composite material
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United States of America Patent
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Jun 7, 2016
Grant Date -
Aug 15, 2013
app pub date -
Jan 18, 2013
filing date -
Jan 20, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A method for the manufacture of a hole in a component consisting of a composite material, such as a fiber reinforced plastic part or a fabric reinforced plastic part, which is characterized in that the component having first and second oppositely disposed sides is placed with its first side on a support having an iris diaphragm, in that a tip which diverges in the axial direction is pressed coming from the second side of the component through the component, which optionally has a pre-piercing, for the formation of the hole or for the enlargement of the pre-piercing and in that the iris diaphragm has a smaller starting opening which receives a narrower region of the tip and opens into a larger opening with increasing penetration of the component by the tip, whereby the component is supported during the hole formation over an as large as possible area from the first side. A piercing aid in the form of an iris diaphragm or a corresponding die button is likewise claimed.
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