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JP2005299073A |
To require no mechanical agitation at all during dilution even when the pulp concentration is very high, more than 30 % after dehydration.This is for a method and an apparatus for diluting dehydrated cellulose pulp maintaining high pulp ...
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JP3710814B2 |
PCT No. PCT/SE95/01340 Sec. 371 Date May 22, 1997 Sec. 102(e) Date May 22, 1997 PCT Filed Nov. 13, 1995 PCT Pub. No. WO96/17998 PCT Pub. Date Jun. 13, 1996Apparatus for separating light impurities from a pulp suspension is disclosed. The...
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JP2005529723A |
A screen basket for screening suspensions, containing wearing particles, comprises a circumferential wall of a base material provided with screen passages, and a wear resistant outer layer of a material, typically chromium, which is hard...
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JP3703847B2 |
PCT No. PCT/SE96/01274 Sec. 371 Date Apr. 22, 1998 Sec. 102(e) Date Apr. 22, 1998 PCT Filed Oct. 9, 1996 PCT Pub. No. WO97/18037 PCT Pub. Date May 22, 1997Apparatus for refining lignocellulose material is disclosed including two relative...
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JP3702138B2 |
To reduce a gap between a rotor and a screen and to improve defibration and screening efficiency of paper stock in an apparatus for stirring and screening a paper stock. A flat plate type rotor 2 to be arranged opposingly to the surface ...
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JP2005527360A |
A hydrocyclone for separating a fibre suspension into a heavy fraction substantially containing heavy contaminants and a light fibre fraction substantially containing fibres includes an elongated separation chamber with two opposite ends...
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JP2005232630A |
To achieve high durability resisting to a long-term use by suppressing the break of a net body.A guide part 7 installed along the edge in the width direction of the net body 6 is formed by fixing a guide part-forming body 11 comprising a...
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JP3682935B2 |
To provide a method for improving the mechanical strength characteristics of chemical cellulose pulp (esp. kraft pulp). The mechanical strength characteristics of chemical cellulose pulp is improved by low-temperature dipping infiltratio...
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JP3679806B2 |
PCT No. PCT/FI94/00578 Sec. 371 Date Jun. 19, 1996 Sec. 102(e) Date Jun. 19, 1996 PCT Filed Dec. 21, 1994 PCT Pub. No. WO95/17235 PCT Pub. Date Jun. 29, 1995A process and apparatus for pumping a fluid mixture of a gas and a liquid and fo...
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JP2005194642A |
To provide a method for producing Japanese paper free from adhesion of fiber, with which dispersion and entanglement of fibers are regulated and wet paper of fixed shape is made by a pouring and papermaking method and paper is not direct...
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JP2005171397A |
To provide a method for easily and inexpensively producing minute cellulose fiber using a technique different from a conventional one.The method for easily and inexpensively producing minute cellulose fiber comprises pulpifying barked st...
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JP2005171449A |
To provide a papermaking screen device to enable easy removal of the screen.The papermaking screen device 1 is provided with a tank 2 for receiving papermaking raw material, an agitator 3 placed in the tank 2, a screen 4 placed in the ta...
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JP3658005B2 |
PURPOSE: To prolong the service life of refiner segments. CONSTITUTION: This refiner segments for use in disk-refiners for the disintegration of a lignocellulose-containing material have bars 2 and intermediate grooves 3 and are formed o...
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JP3654914B2 |
PURPOSE: To inhibit a blockade of a sieve by specifying flow rate of a sieve cage generated according to pressure difference between a material sorter chamber and an effective component chamber at a sieve opening part. CONSTITUTION: This...
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JP2005133263A |
To produce newsprint paper that causes no trouble due to paper dust and contaminants because the contaminants in the regenerated pulp produced from used paper is reduced and has excellent ink receptivity.In the method for producing the n...
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JP3649702B2 |
To provide a waste paper treating apparatus for separating a foreign matter mixed in a waste paper from a waste paper pulp, in which the waste paper is continuously disintegrated in a high concentration and the foreign mater mixed in the...
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JP2005113301A |
To obtain a strainer for papermaking, which deals with by partial exchange of members.The strainer 4 for papermaking is the strainer 4 for papermaking, which removes foreign matters from a papermaking raw material and comprises a straine...
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JP2005509760A |
The present invention is directed to a process for producing micropulp. The process includes contacting organic fibers with a medium comprising a liquid component and a solid component, agitating the medium and the organic fibers to tran...
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JP3637312B2 |
The segment for a refiner stator plate has radially inner 46 and outer edges 44, an inlet zone 12 extending radially outward from the inner edge 46,whereby the inlet zone 12 includes a radially inner portion 90 having a substantially smo...
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JP2005077135A |
To provide a measuring instrument for degree of beating of pulp for measuring the degree of beating of a pulp slurry on-line to achieve the enhancement of production efficiency and the stabilization of production, and its control device....
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JP2005505415A |
A pulper extraction bedplate for use in defiberizing stock for making paper, comprises a plate (310) defining first and second surfaces, and a plurality of holes extending from the first surface (330) to the second surface. The holes (34...
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JP2005504903A |
A method of separating colouring agents, particularly printing ink, from recycled fibre material, in which method the recycled fibre material is defibered using a liquid, so that colouring agent is separated from the recycled fibre durin...
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JP2005042265A |
To provide a newsprint paper for offset printing particularly having excellent surface strength and opacity.The newsprint paper is produced by separating waste paper pulp originated from waste magazine into short fiber fraction and long ...
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JP3595544B2 |
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JP2004339635A |
To provide a method for separating a raw material, by which in decorative paper to be used for surface decoration of wall paper, etc., a vinyl chloride-based resin layer and backing paper laminated to the decorative surface of the decora...
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JP2004535278A |
A method to remove scale build-up in a vessel having at least one screen is described and involves placing a cover inside the vessel such that it is located beneath at least one screen to separate the screen from the rest of the vessel. ...
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JP3590704B2 |
An endless woven fabric for condensing paper material and a method for forming such an endless fabric which removes ink and other extraneous substances from the aqueous solution of reclaimed paper material. On the endless fabric formed b...
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JP3577187B2 |
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JP3574454B2 |
PCT No. PCT/SE94/01009 Sec. 371 Date May 22, 1996 Sec. 102(e) Date May 22, 1996 PCT Filed Oct. 27, 1994 PCT Pub. No. WO95/17243 PCT Pub. Date Jun. 29, 1995Mixing devices for mixing a processing agent with a pulp suspension are disclosed ...
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JP2004527672A |
A tubular screen for screening of pulp suspensions comprises a mantle wall (1), which is provided with screen passages, and external support rings (6), which reinforce the mantle wall so that the latter is resistant to and is not deforme...
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JP3553885B2 |
A screen, such as a drum screen or a flat screen, for screening or fractionizing pulp suspensions or the like suspensions of the pulp and paper industry. The screen comprises a reinforcement attached to the surface of the screen plate, s...
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JP2004522869A |
A rotary filter (1) for fibrous suspensions (S) is disclosed comprising a rotor (2) coaxially arranged inside a filtering basket (4), an annular hollow space (8) being defined between them. In the annular hollow space (8) there are one o...
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JP2004211238A |
To provide a method for producing waste paper pulp causing no cloggings of slotted eyes or slits while surely removing laminate tailings and scarcely affecting the environment as well.The method for producing waste paper pulp comprises c...
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JP2004211276A |
To provide a disaggregation apparatus for papermaking raw material with enhanced disaggregation performance and a method for disaggregating papermaking raw material.The disaggregation apparatus A of papermaking raw material comprises a r...
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JP3547957B2 |
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JP3542594B2 |
Appts. for defibrating water and wastepaper mixt., comprises an axial flow cylinder with end inlet (80) and end outlet (82), in which is a pool of the mixt. into which dip multiple buckets (100) for scooping up the mixt. and then droppin...
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JP3540746B2 |
A process and apparatus for the preparation of improved cellulose pulps is provided, in which defibered pulp is screened for removal of shives, and fibers with low bonding ability are removed in hydrocyclones, and rejects from the hydroc...
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JP2004169195A |
To surely remove even small film wastes without causing clogging in mesh openings or slits of a screen without carrying out cutting.Laminated waste paper is disintegrated under conditions of ≥15% pulp concentration. The resultant slurr...
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JP2004517229A |
A vacuum pump (P0) provides vacuum to a paper machine deaeration tank (11) which has an inlet duct (10) through which the tank is supplied with wire water. A discharge duct (12) extends from the deaeration tank (11). There is an overflow...
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JP3535518B2 |
PCT No. PCT/FI94/00086 Sec. 371 Date Jan. 24, 1996 Sec. 102(e) Date Jan. 24, 1996 PCT Filed Mar. 10, 1994 PCT Pub. No. WO95/04189 PCT Pub. Date Feb. 9, 1995Recycled fiber pulp from a vortex cleaning plant (e.g. connected to the short cir...
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JP3536208B2 |
To keep a function of a vacuum pump, secure maintenance and stabilize quality of a sucked object by adequately keeping a seal water amount of the vacuum pump for dewatering a running wetting matter, and to prevent over load phenomenon in...
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JP3530862B2 |
A soft, bright and strong tissue paper product and a process for preparing such a tissue paper product is provided. The inventive tissue paper product is prepared from raw cotton linter fibers and demonstrates unexpected medical benefits...
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JP2004124281A |
To provide waste paper-blended light wrapping paper which has a high tensile strength and a high tear strength, can prevent the occurrence of a breaking trouble and the like, and has good printing suitability.This waste paper pulp-blende...
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JP2004511676A |
The invention relates to a method, an apparatus and a screen for screening mechanical fibre pulp. According to the invention a short fibre material is separated using a gap screen, whereby said material can be very efficiently separated ...
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JP3517141B2 |
To provide a refiner beating blade having a long duration, excellent in operational stability and capable of producing homogeneous pulp and a method for producing paper by using the same blade. A base material of this refiner beating bla...
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JP2004091957A |
To provide waste paper-compounded newsprint paper which has good printability, a high tensile strength and a high tear strength, and can prevent the occurrence of a printing trouble such as paper breakage.This waste paper-compounded news...
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JP2004091977A |
To improve the efficiency for removing impurities in no sorting treatment of a waste paper.The impurities are removed by inserting not only newspaper and leaflets but also a waste paper of a magazine, a book or the like having subsidiari...
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JP2004509241A |
Virgin stock is conducted to a paper or board machine and further to a centrifugal cleaner installation ( 12 ) into its first centrifugal cleaner step ( 12 a1). From the first centrifugal cleaner step ( 12 a1) the accept is conducted int...
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JP2004091978A |
To enable the control of impurities to be easily and stably carried out when producing a waste paper pulp by using unsorted waste paper as a raw material.The impurities are removed from a fiber slurry by using a screen 4 having ≤0.12mm...
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JP3504419B2 |
To efficiently dehydrate and concentrate a pulp slurry in a high yield by spraying the pulp slurry on wire cloths lined on the inner circumferential surface of a rotary drum and giving a centrifugal force to the sprayed pulp slurry. In t...
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