Title:
FLUID FLOW TOW SPREADING DEVICE, ULTRASONIC TOW SPREADING DEVICE, AND TOW SPREADING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2002/031242
Kind Code:
A1
Abstract:
A tow spreading system capable of stably performing a rather large tow spreading for a variety of tows to be spread, comprising a ultrasonic tow spreading device as a preliminary tow spreading device (4) and a fluid flow tow spreading device (6) as a main tow spreading device; the ultrasonic tow spreading device, wherein a tow bundle flow-fed part allowing a tow bundle in the tensed state to flow-fed thereto in the form of a bent route while being brought into contact with the surfaces of a plurality of rollers (19) is provided in fluid and ultrasonic wave is propagated in the fluid for tow spreading; the fluid flow tow spreading device (6), wherein the tow bundle spread by the preliminary tow spreading device is flow-fed to a tow spreading part for spreading the preliminarily spread tow bundle while performing over-feedback control, and a fluid flow is applied to the flow-fed preliminarily spread tow bundle to release the tow bundle.
Inventors:
OISHIBASHI HIROJI (JP)
OKUDA TOSHIYUKI (JP)
OKUDA TOSHIYUKI (JP)
Application Number:
PCT/JP2001/009016
Publication Date:
April 18, 2002
Filing Date:
October 12, 2001
Export Citation:
Assignee:
OBS INC (JP)
OISHIBASHI HIROJI (JP)
OKUDA TOSHIYUKI (JP)
OISHIBASHI HIROJI (JP)
OKUDA TOSHIYUKI (JP)
International Classes:
D02J1/18; (IPC1-7): D02J1/18
Foreign References:
| JPS5881645A | 1983-05-17 | |||
| EP0061336A1 | 1982-09-29 |
Attorney, Agent or Firm:
Kitamura, Shuichiro (Kita-ku Osaka-shi, Osaka, JP)
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