971 results about "Fiber orientation" patented technology

A multi-ply absorbent sheet of cellulosic fiber with continuous outer surfaces is provided an absorbent core between the outer surfaces. The absorbent core includes a non-woven fiber network having: (i) a plurality of pileated fiber enriched of relatively high local basis weight interconnected by way of (ii) a plurality of lower local basis weight linking whose fiber orientation is biased along the direction between pileated interconnected thereby, and (iii) a plurality of fiber-deprived cellules between the fiber enriched and linking regions, also being characterized by a local basis weight lower than the fiber enriched regions. The cellules provide a sponge-like internal structure of low fiber density regions.

The present invention provides a nonwoven fabric of which at least one of fiber orientation, fiber density, and basis weight is adjusted, and in which at least one of a predetermined groove portion, an opening, and a protrusion is formed, a manufacturing method for the nonwoven fabric, and a nonwoven fabric manufacturing apparatus. The nonwoven fabric manufacturing apparatus of the present invention manufactures a nonwoven fabric of which at least one of fiber orientation, fiber density, and basis weight is adjusted, or in which at least one of a predetermined groove portion, an opening, and a protrusion is formed by blowing fluid mainly containing gas onto a fiber web which is formed in a sheet shape, and which is in a state where at least a portion of the fibers constituting the fiber aggregate has a degree of freedom.

A cleaning device superior in dust collecting capacity allows material selection from a wide range of fibers and a base material sheet forming the same and can be produced in a short processing time while preventing thermal deterioration and hardening of the material. A process for producing it is also disclosed. A cleaning device 1 is obtained by providing a large number of filaments 30 aligned in fiber direction with a linear bundling portion 40 connecting the fibers to each other by heat-sealing, forming a filament bundling body 31 previously bundled by the bundling portion 40, and bonding the filament bundling body 31 to a base material sheet 6 by an adhesive. A bristle-like-member-less portion 14 of a brush sheet 9 with a plurality of bristle-like members 8 is integrally bonded to a fiber bundle 7 and the base material sheet 6 by an adhesive.

A method for fabricating a curved beam from fiber composite material. A flat fiber composite laminate including a plurality of layers and at least two different fiber directions is formed. The fiber composite laminate is disposed in contact with a male tool includes a first flange, a second flange and an intermediate web. The male tool is curved in its longitudinal direction with a radius of curvature in such a way that the first flange has a shorter longitudinal extent than the second flange. The fiber composite laminate is brought into contact with and secured to the first flange of the male tool. The male tool and the fiber composite laminate are then rotated relative to one another so that the fiber composite laminate is brought into contact with the intermediate web of the male tool in a first rotational movement, and brought into contact with the second flange of the male tool in a second rotational movement. The fiber composite laminate hardens on the male tool, and the finished beam is separated from the tool. Also a beam of fiber composite material fabricated according to the method.

The present invention provides an absorbent body containing absorbent fibers in which fiber orientation is mainly adjusted, and fiber basis weight and shape are additionally adjusted. The absorbent body 110 of the present invention is an absorbent body containing absorbent fibers, a plurality of low fiber basis weight regions formed continuously in the first direction with a fiber basis weight that is less than an average fiber basis weight of the absorbent body 110, and a plurality of high fiber basis weight regions, formed along and on both sides of the low fiber basis weight regions in relation to the second direction perpendicular to the first direction, with a fiber basis weight that is greater than the average fiber basis weight of the absorbent body 110. The content of longitudinally oriented fibers in the fibers 101 making up the high fiber basis weight regions is greater than that of laterally oriented fibers, and the content of longitudinally oriented fibers in the fibers 101 making up the low fiber basis weight regions is greater than that of laterally oriented fibers.

The invention provides an optical fiber photodetector including a photoconductive element, such as a semiconducting element, having a fiber length. The semiconducting element is characterized as a non-composite material in at least one fiber direction. At least one pair of conducting electrodes is in contact with the semiconducting element along the fiber length, and an insulator is provided along the fiber length. An optical resonator can be disposed along the fiber length and along a path of illumination to the semiconducting element. The resonator is dimensioned to substantially reflect all illumination wavelengths except for a prescribed range of wavelengths transmitted to the semiconducting element. The fiber photodetector can be arranged in a photodetecting fiber grid, photodetecting fiber fabric, or other configuration for detecting incident illumination.

A process for making multi-colored fabrics from a single dye formula is described. The process involves providing a substrate including synthetic fibers, with the substrate having defined regions where the synthetic fibers have differing levels of fiber orientation, and dyeing the substrate with a dye bath containing at least one dye from at least two of the categories of a) high contrast dyes, 2) medium contrast dyes and c) low contrast dyes, to thereby produce a multi-colored substrate from a single dye formula. The substrates are characterized by having a base of a first color and patterned regions of a different color, with the regions of different colors corresponding to regions of different levels of fiber orientation.

A method of making a belt-creped absorbent cellulosic sheet. A paper making furnish is compactively dewatered to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer surface that is moving at a transfer surface speed. The web is belt-creped from the transfer surface at a consistency of from about 30% to about 60% utilizing a generally planar polymeric creping belt having a plurality of perforations, under pressure, in a belt creping nip defined between the transfer surface and the creping belt. The belt travels at a belt speed that is slower than the speed of the transfer surface. The web is creped from the transfer surface and redistributed on the creping belt to form a web having a plurality of interconnected regions of different local basis weights. The web is then dried.