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1. WO2010053750 - PI-SHAPED PREFORM WITH NON-LINEAR LEGS AND METHOD TO MANUFACTURE IT

Publication Number WO/2010/053750
Publication Date 14.05.2010
International Application No. PCT/US2009/062159
International Filing Date 27.10.2009
IPC
B29C 70/24 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
70Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
04comprising reinforcements only, e.g. self-reinforcing plastics
06Fibrous reinforcements only
10characterised by the structure of fibrous reinforcements
16using fibres of substantial or continuous length
24oriented in at least three directions forming a three dimensional structure
D03D 25/00 2006.01
DTEXTILES; PAPER
03WEAVING
DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
25Woven fabrics not otherwise provided for
CPC
B29B 11/16
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
11Making preforms
14characterised by structure or composition
16comprising fillers or reinforcement
B29C 70/24
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
70Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
04comprising reinforcements only, e.g. self-reinforcing plastics
06Fibrous reinforcements only
10characterised by the structure of fibrous reinforcements ; , e.g. hollow fibres
16using fibres of substantial or continuous length
24oriented in at least three directions forming a three dimensional structure
B29D 99/0003
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
99Subject matter not provided for in other groups of this subclass
0003Producing profiled members, e.g. beams
B29L 2031/003
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
2031Other particular articles
001Profiled members, e.g. beams, sections
003having a profiled transverse cross-section
D03D 25/00
DTEXTILES; PAPER
03WEAVING
DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
25Woven fabrics not otherwise provided for
D03D 25/005
DTEXTILES; PAPER
03WEAVING
DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
25Woven fabrics not otherwise provided for
005Three-dimensional woven fabrics
Applicants
  • ALBANY ENGINEERED COMPOSITES, INC. [US]/[US] (AllExceptUS)
  • GOERING, Jonathan [US]/[US] (UsOnly)
  • OUELLETTE, Kenneth [US]/[US] (UsOnly)
Inventors
  • GOERING, Jonathan
  • OUELLETTE, Kenneth
Agents
  • SANTUCCI, Ronald, R.
Priority Data
12/260,74329.10.2008US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PI-SHAPED PREFORM WITH NON-LINEAR LEGS AND METHOD TO MANUFACTURE IT
(FR) EBAUCHE EN FORME DE PI AVEC PATTES NON LINÉAIRES ET PROCÉDÉ POUR SA FABRICATION
Abstract
(EN)
A woven preform (200) for a reinforced composite material, which may be woven flat and folded into shape. The preform has a three-dimensional weave architecture with weft fibers (214) woven to provide layer-to-layer interlocking of layers of warp fiber (216) as well as interlocking of fibers within each layer. One or more legs (225, 235) extend from a base (220), the base (220) and legs (225, 235) each having at least two layers of warp fibers (216).The legs move along a sine wave in the warp and/or weft direction and may be parallel or angled to each other. The outer ends of the base and/or the legs preferably have tapers formed from terminating layers of warp fibers in a stepped pattern.
(FR)
L'invention porte sur une ébauche tissée (200) pour un matériau composite renforcé, qui peut être tissée à plat et pliée sous sa forme. L'ébauche a une architecture de tissage en trois dimensions avec des fils de trame (214) tissés afin de former un entrelacement couche à couche de couches de fibre de chaîne (216), et, également, pour former un entrelacement de fibres à l'intérieur de chaque couche. Une ou plusieurs jambes (225, 235) s'étendent à partir d'une base (220), la base (220) et les jambes (225, 235) comportant chacune au moins deux couches de fibres de chaîne (216). Les jambes se déplacent le long d'une onde sinusoïdale dans la direction de chaîne et/ou de trame, et peuvent être parallèles ou présenter un certain angle entre elles. Les extrémités externes de la base et/ou des jambes comportent, de préférence, des cônes formés à partir de couches terminales de fibres de chaîne suivant une configuration étagée.
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