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1. (US20090220785) METHOD AND DEVICE FOR FORMING MICROSTRUCTURED FIBRE
Office : United States of America
Application Number: 12090011 Application Date: 12.10.2006
Publication Number: 20090220785 Publication Date: 03.09.2009
Publication Kind : A1
Prior PCT appl.: Application Number:AU06001500 ; Publication Number: Click to see the data
IPC:
D02G 3/22
B29C 47/30
C03B 37/02
D TEXTILES; PAPER
02
YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
G
CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS
3
Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
22
Yarns or threads characterised by constructional features
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
47
Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
08
Component parts, details or accessories; Auxiliary operations
12
Extrusion nozzles or dies
30
Multi-port extrusion nozzles
C CHEMISTRY; METALLURGY
03
GLASS; MINERAL OR SLAG WOOL
B
MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
37
Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
01
Manufacture of glass fibres or filaments
02
by drawing or extruding
Applicants: ADELAIDE RESEARCH &; INNOVATION PTY LTD
Inventors: Monro Tanya
Ebendorff-Heidepriem Heike
Davies Philip
Agents: GREENBLUM &; BERNSTEIN, P.L.C.
Priority Data: 2005905619 12.10.2005 AU
2005905620 12.10.2005 AU
Title: (EN) METHOD AND DEVICE FOR FORMING MICROSTRUCTURED FIBRE
Abstract: front page image
(EN)

A die and method for extruding an extrudable material to form an extruded member is described. In one embodiment, the die comprises a barrier member comprising a plurality of feed channels that extend through the barrier member. Furthermore, the die incorporates a passage forming member extending from the barrier member substantially in the direction of extrusion. The feed channels are arranged with respect to the passage forming member to allow the extrudable material to substantially flow about the passage forming member to form a corresponding passage in the extruded member.