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Three-D Composites Research Corporation Patents
Assignee:
Three-D Composites Research Corporation
Address:
Tsukuba, JP
No. of patents:
11
Patents:




Patent Number Title Of Patent Date Issued
5870940 Yarn tensioning method and device for textile weaving machines February 16, 1999
A yarn tensioning device which is arranged to impart a high unwinding tension to a feed yarn in a yarn draw-out phase of operation and to impart a low unwinding tension with a large yarn draw-back capacity. The yarn tensioning device is is particularly suitable for use on a textile machi
5749281 Yarn tensioning method and device for textile weaving machines May 12, 1998
A yarn tensioning device which is arranged to impart a high unwinding tension to a feed yarn in a yarn draw-out phase of operation and to impart a low unwinding tension with a large yarn draw-back capacity. The yarn tensioning device is is particularly suitable for use on a textile machi
5584223 Yarn tensioning device for textile weaving machines December 17, 1996
A yarn tensioning device which is arranged to impart a high unwinding tension to a feed yarn in a yarn draw-out phase of operation and to impart a low unwinding tension with a large yarn draw-back capacity. The yarn tensioning device is is particularly suitable for use on a textile machi
5577436 Stepping actuators November 26, 1996
A stepping actuator having a housing containing two linearly reciprocating members independently and axially slidable, and a common rotating member passed through them. One of the housing and linearly reciprocating members has endless circulating grooves formed by tilted grooves intercon
5549013 Stepping actuator August 27, 1996
A stepping actuator which is simple and compact in construction, and capable of converting rectilinear reciprocating motions into stepwise rotations of a predetermined stepping angle suitable for application of limited or limitless stepping rotations in one direction or in both forwa
5348056 Three-dimensional woven fabric with varied thread orientations September 20, 1994
In a three-dimensional fabric as woven on a rotor-carrier type 3D fabric weaving machine, there is provided a reinforcing three-dimensional fabric for composite material, which is imparted with unevenly functioning characteristics by arbitrarily changing the thread orientation angle in
5273078 Rod-type three-dimensional loom and continuous operating method December 28, 1993
A rod-type three-dimensional weaving method and apparatus sends weft rods from within a rod magazine between groups of warp rods consisting of a large number of warp rods disposed parallel to one another by means of rod pushers substantially continuously by automatically changing a used-
5228481 Method and apparatus for weaving rod piercing type three-dimensional multiple-axis fabric July 20, 1993
A weaving mechanism for producing rod piercing type three-dimensional multiple-axis fabrics using a fall-preventive wall to prevent fall-off of inserted weft rods. The weaving mechanism being adapted to obviate the use of wastefully lengthy weft rods. For inserting weft rods into a warp
5178705 Methods of making three dimensional composite fabric where bonding takes place while inserting o January 12, 1993
A number of rods are disposed along at least three differently oriented axes, the rods being formed by bonding together bundles of fibers with a matrix. Each rod in one group is passed between rods of the other differently oriented groups. The cross-sectional shape of a rod extending
5076330 Three-dimensional multi-axis fabric composite materials and methods and apparatuses for making t December 31, 1991
A number of rods are disposed along at least three differently oriented axes, the rods being formed by bonding together bundles of fibers with a matrix. Each rod in one group is passed between rods of the other differently oriented groups. The cross-sectional shape of a rod extending
5067525 Three-dimensional fabric woven by interlacing threads with rotor driven carriers November 26, 1991
A three-dimensional fabric is woven by disposing a large number of contiguous rotors in columns and rows in an area in which carriers move about, with a carrier holding a thread being held between a pair of adjoining rotors. One of the paired rotors turns to move the carrier held bet

 
 
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