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Title:
ROTARY NEEDLING FOR PRODUCING NEEDLED FIBER STRUCTURE, AND SUPPORTER
Document Type and Number:
Japanese Patent JPH11189964
Kind Code:
A
Abstract:

To provide a rotary needling method by which many felt needles are repeatedly stuck into a fiber structure set up on the surface of a supporter while the supporter capable of being penetrated with the needles rotating around a rotary shaft.

This rotary needling method comprises rotating a sheet 22 covering a face 18 formed right under a felt needles 20, fixed to a rotary needling supporter 10 at the outside of the face 18 and capable of being penetrated by the needles 20, setting up a first fiber layer 48 on the sheet 22 capable of being penetrated by the needles, repeatedly sticking many felt needles into the first fiber layer 48 and the sheet 22 capable of being penetrated by the needles 20 to stick the first fiber layer 48 to the sheet 22 capable of being penetrated by the needles, and removing the first fiber layer 48 stuck to the sheet 22 capable of being penetrated by the needles 20 from the rotary needling supporter 10 after sticking the first fiber layer 48 stuck to the sheet 22 capable of being penetrated by the needles.


More Like This:
JPS53147876FORK SHAPED NEEDLE
Inventors:
John, Link S.
Edward Jr., Lee Morris
Hannes, Pam
Application Number:
JP1997000346508
Publication Date:
July 13, 1999
Filing Date:
December 16, 1997
Export Citation:
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Assignee:
B F GOODRICH CO:THE
International Classes:
D04H18/00; D04H18/02; (IPC1-7): D04H18/00
Attorney, Agent or Firm:
大島 正孝



 
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