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JP7446384B2 |
Provided is a method that, when pulp fibers are recovered from used absorbent articles that have been put into collection bags, makes it possible to safely and sanitarily crush the used absorbent articles while suppressing costs. A metho...
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JP7441997B1 |
An object of the present invention is to provide a method for manufacturing an inorganic fiber mat that is easier to mold even when using offcuts as an inorganic fiber material. [Solution] A fiber-opening process for obtaining inorganic ...
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JP7427922B2 |
A defibration treatment apparatus including a feeding hole through which a material is fed, a rotator that rotates about a rotational central axis, a fixed member that covers at least a portion of the rotator, and a discharge opening tha...
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JP7426805B2 |
To provide a composition for paper with high viscosity, and to provide recycled paper with high strength and without defects.A composition for paper of the present invention is the composition for paper containing pulp and a water-absorb...
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JP7425791B2 |
The problem of increased energy usage in refiners over the working life of a refining assembly is mitigated by the use of a refiner plate segment having a refiner side and a back side distally disposed from the refiner side, refiner bars...
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JP2024008903A |
An object of the present invention is to provide a disintegrating cutter with high corrosion resistance and a method for manufacturing the same. [Solution] In the conventional disintegrating cutter, the hardness of the formed cutter is l...
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JP7404588B1 |
An object of the present invention is to provide a method for manufacturing an inorganic fiber mat that is easier to mold even when an inorganic fiber molded body is used as an inorganic fiber material. [Solution] Using a first inorganic...
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JP7400394B2 |
A defibrating method includes the steps of: preparing a material which contains fibers and a compound represented by the following formula (1); and defibrating the material.RO(0)m(PO)nH (1)In the formula, R represents an alkyl or an...
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JP2023549168A |
A method and equipment for separating ink and fibers by dry magnetic force differential coupled vibration, comprising a pulverizing fiber machine unit (1), a magnetic force differential coupled vibrator (2), an accelerating blower (3), w...
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JP7378218B2 |
To produce waste paper pulp from odor-containing waste paper by decreasing odor of odor-containing waste paper, and to enable effective utilization of resources.The method of producing waste paper pulp from odor-containing waste paper, i...
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JP2023160864A |
To provide disperser plate segments configured to be mounted in a disperser.Disclosed herein is a plate segment which includes a substrate having a front side and a rear side, and constituted so that the rear side is mounted on a support...
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JP2023147685A |
To provide a sheet production system capable of easily and appropriately performing determination of transportation of a crushed product to a sheet production apparatus from a crushing apparatus.A sheet production system includes: a crus...
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JP7359375B2 |
The present invention addresses the problem of providing a method with which it is possible to design a greater diversity of cellulose dispersion block copolymers. The present invention pertains to a manufacturing method for a cellulose ...
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JP2023142523A |
To provide a sheet manufacturing system that can easily and appropriately determine transportation of coarsely crushed pieces from a coarsely crushing device to a sheet manufacturing device.A sheet manufacturing system includes: a coarse...
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JP2023120608A |
To provide a pulp regeneration method for obtaining a regenerated pulp from a gypsum board by using most of a paper-making plant such as a waste newspaper.Disclosed is a pulp regeneration method successively conducting a) a release paper...
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JP2023118014A |
To provide a water-disintegrable cleaning article having wet strength and water-disintegrability sufficient in actual use and moreover, being environmentally-friendly by using waste papers.A manufacturing method of a water-disintegrable ...
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JP2023115781A |
To provide a method of obtaining a highly fibrillated lyocell fiber with reduced content of fine fibers formed by dropping out from a stem fiber compared to conventional methods.A beating method of a lyocell fiber by treating a lyocell f...
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JP7323549B2 |
A mixture comprising dry solids of microfibrous cellulose and an aqueous solvent is introduced into an inline mixer that mixes content by causing turbulent agitation, at a flow rate at which turbulent agitation occurs, so as to agitate t...
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JP7306194B2 |
A fiber processing device includes a drum having a plurality of openings on an outer peripheral surface, sieving a raw material containing fibers, and configured to rotate about a rotation axis, a housing that supports the drum, a guide ...
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JP2023090796A |
To provide a pulp sheet for fluff pulp, which can produce fluff pulp with an excellent fibrillation property during production and a high absorption performance by using wood pulp derived from broadleaf trees.A pulp sheet for fluff pulp ...
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JP7295899B2 |
The present technology is directed to fluff pulps with improved odor control as well as methods of making such fluff pulps. A fluff pulp is provided that includes a bleached kraft fiber and a copper ion content from about 0.2 ppm to abou...
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JP2023082305A |
To provide a technology enabling easy maintenance work of a disk type rotor and an attachment work of a disk type rotor to a rotation drive shaft.A disk type rotor 1 for a treatment machine which at least disintegrates a foreign matter f...
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JP7282563B2 |
A disperser-refiner plate segment (100, 100'; 200, 200') comprises a refining section (135, 135'; 235, 235') disposed radially outward from a dispersion section (125, 125'; 225, 225'), wherein a height (230, 230') of the teeth (120, 120'...
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JP2023071443A |
To provide a method for producing cellulose microfiber and a producing apparatus for producing cellulose microfiber that can produce homogeneous cellulose microfiber while avoiding clogging of pipes in a cellulose microfiber manufacturin...
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JP2023067942A |
The present invention provides a fluff pulp pulp sheet that can reduce the backflow of water-absorbing liquid and can be used to manufacture absorbent articles that suppress rashes on the skin. A pulp sheet for fluff pulp according to on...
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JP2023064869A |
To provide a control method of a sheet production apparatus, capable of reducing the possibility of occurrence of rust and proliferation of miscellaneous bacteria due to moisture after a stop of production of a sheet.A control method of ...
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JP7271923B2 |
To provide a defibration apparatus, a regeneration apparatus and a defibration method, capable of producing a high-quality sheet.A defibration apparatus comprises a feed part 132 for feeding a material containing fiber and a resin having...
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JP7270695B2 |
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JP7269631B2 |
Waste paper contains sticky foreign material, and the recovery and sending of this sticky foreign material to a paper-making process together with fiber is liable to lead not only to the sticky foreign material sticking to and contaminat...
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JP7266333B2 |
To provide a pulp recovery device which can recover pulp from drainage water with a dissolved used hygiene product by simple equipment, and can reduce cost for recovery.A pulp recovery device includes a drum screen 26 which dissolves a u...
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JP7259188B2 |
A method is disclosed for treating aqueous feed by dissolved gas flotation. The aqueous feed originates from industrial processing of fibrous material, where the aqueous feed includes an aqueous phase and solid particulate material suspe...
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JP7252975B2 |
The present invention includes: a step for preliminarily dispersing, using a stirring machine, a fine fiber cellulose dispersion having a solid content concentration of 1 wt% or more together with a diluent solvent; and a step for fully ...
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JP7250299B2 |
To provide a method for recovering pulp from a recovered used paper diaper by accumulating-recovering a used paper diaper in a condition not absorbing excess moisture without treating the used paper diaper by incineration treatment and l...
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JP7238216B1 |
The present invention provides a fluff pulp pulp sheet that can reduce the backflow of water-absorbing liquid and can be used to manufacture absorbent articles that suppress rashes on the skin. A pulp sheet for fluff pulp according to on...
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JP7234661B2 |
To provide a used paper regenerative apparatus capable of giving colors different in regions of sheets in accordance with user requests.The used paper regenerative apparatus includes a liquid discharge device for accommodation of a first...
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JP7223217B2 |
A pulp sheet for fluff pulp according to one aspect of the present invention contains broad-leaved tree bleached kraft pulp and needle-leaved tree bleached kraft pulp. The mass ratio of the broad-leaved tree bleached kraft pulp relative ...
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JP2023018833A |
To prevent increase in pressure difference between pressure of a downstream side discharge path including a discharge part at which a discharge path and a discharge pipe communicate and pressure of an upstream side discharge path separat...
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JP2023018829A |
To prevent a possibility of retaining of a defibrated product discharged to a discharge path on an inner surface of the discharge path in a defibrating device that discharges the defibrated product to the discharge path.A defibrating dev...
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JP2023018828A |
To solve a problem of difficulty in generating air flow for discharging a defibrated product toward a discharge part existing on downstream side of a discharge path on upstream side of the discharge path separated away from the discharge...
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JP7219570B2 |
To provide a processing method of used sanitary articles for separation and recovery of constituting components (especially, pulp fiber ) to be reusable.The processing method of used sanitary articles of the present invention is a proces...
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JP7218545B2 |
A web manufacturing apparatus includes a defibration section that includes a rotating blade and is configured to defibrate a material containing fiber, a detection section configured to detect an electric charge amount of a defibrated ma...
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JP2023016163A |
To provide a double disc refiner capable of manufacturing a recycled pulp with good quality inexpensively.A double disc refiner includes a stator-side slit having a predetermined width at a circumferential ring portion formed at the circ...
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JP7215165B2 |
A hopper includes a receiving member having a guide surface that guides a non-flat strip-shaped sheet and a posture adjusting unit that adjusts a posture of the falling sheet and sends it to the guide surface, and a discharge unit that d...
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JP7201347B2 |
To provide a method and an apparatus for manufacture of a recycled pulp raw material by disintegration of a used paper packaging involving a taboo article by using a disintegrating device without depending on man power for recovery of us...
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JP7201427B2 |
To effectively utilize resources by crushing a package consisting of a packaging bag, separating the crushed material based on the size without relying on human hands, and recovering waste paper from the residue.A method for producing wa...
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JP3240215U |
A cutting rotor and a cutter blade are provided that reduce running costs as much as possible. A cutting rotor (3) has a plurality of rotor blades (33), each of which has a cutter blade (43) detachably attached to a leading edge (33f) in...
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JP7188035B2 |
A method for defibrating a fiber body includes: a supply step of supplying a liquid to a fiber body containing fibers; and a defibrating step of defibrating the fiber body to which the liquid is supplied, and in the supply step, the liqu...
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JP7183660B2 |
To provide a fibrillation processing device and a sheet manufacturing device capable of efficiently discharging a fibrillated product.A fibrillation processing device uses a fibrillation inner blade 163 provided on a rotor 160 and a fibr...
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JP7167590B2 |
To provide a fibrillation processing device and a sheet manufacturing device capable of reducing a load of a fibrillation blade positioned on the side of an input port of raw material.A fibrillation processing device 20 uses a fibrillati...
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JP7168350B2 |
Provided is a method that, when pulp fibers are recovered from used absorbent articles that have been put into collection bags, makes it possible to safely and sanitarily crush the used absorbent articles while suppressing costs. A metho...
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