The present disclosure provides a toilet paper roll of which the position of a row of perforations can be found correctly and also provides a method of manufacturing the toilet paper roll. A perforation cutter 4 forms the row of perforations in a raw paper strip 10a pulled out from a raw paper roll 10, and marking nozzles 5 apply a prescribed liquid to the raw paper strip 10a to form marks at the row of perforations and at end portions of a paper strip of the toilet paper roll in the cross direction. The raw paper strip 10a is wound up in a winding unit 3. The toilet paper rolls are manufactured from this raw paper strip 10a.
A toilet paper roll manufacturing method is provided with which, when 4-ply toilet paper is torn off, individual layered sheets of the paper are prevented from peeling off each other and a good appearance is ensured. The method includes a step of forming laminated paper 101 by bonding base paper 10a and base paper 11a, a step of forming laminated paper 102 by bonding base paper 13a and base paper 12a, and a step of spraying a bonding liquid to the laminated paper 101 and the laminated paper 102, stacking and pressing the laminated paper 101 and the laminated paper 102 by pressure rollers 23c, and forming 4-ply toilet paper 200.
A toilet paper roll manufacturing method is provided with which, when 4-ply toilet paper is torn off, individual layered sheets of the paper are prevented from peeling off each other and a good appearance is ensured. A sprayer 22a sprays a bonding liquid between two 1-ply paper sheets 110 and 111, a sprayer 22b sprays the bonding liquid between two 1-ply paper sheets 111 and 100, a sprayer 22c sprays the bonding liquid between two 1-ply paper sheets 100 and 101, and pressure rollers 23 stack the 1-ply paper sheets 110, 111, 100, and 101 and apply pressure to those sheets.
Provided are a toilet paper in which accurate perforation positions can be recognized and a method for manufacturing the toilet paper. A toilet paper is manufactured by forming, with a perforation cutter 4, perforations in a base paper 10a pulled out from a base paper roll 10, forming marks by adhering a predetermined liquid from a mark formation nozzle 5 at positions where the perforations have been made at both ends in the width direction of the toilet paper, and winding the base paper 10a with a winding unit 3.
Provided is a method for producing a toilet paper roll which maintains a favorable appearance by preventing the paper layers from separating from one another when the four-ply toilet paper is torn. Said method has: a step for forming a layered sheet 101 by adhering a base sheet 10a and a base sheet 11a to one another; a step for forming a layered sheet 102 by adhering a base sheet 13a and a base sheet 12a to one another; and a step for forming four-ply toilet paper 200 by spraying the layered sheet 101 and the layered sheet 102 with an adhesive liquid, positioning a pressure roller 23c so as to overlap the layered sheet 101 and the layered sheet 102, and applying pressure thereto.
Provided is a toilet paper roll manufacturing method that prevents the layers of 4-ply toilet paper peeling apart when the paper has been cut from the roll, improving the appearance. A sprayer 22a sprays an adhering liquid between 1-ply papers 110, 111. A sprayer 22b sprays the adhering liquid between the 1-ply papers 111, 100. A sprayer 22c sprays the adhering liquid between the 1-ply papers 100, 101. A pressure roller 23 superposes and applies pressure to the 1-ply papers 110, 111, 100, 101.
A method for producing coreless roll paper includes a winding step in which paper 11 is wound on a shaft 20 in a roll shape, and an extracting step in which the shaft 20 is extracted from roll paper 12 to form a center hole 13. The shaft 20 includes a body part 22 having grooves 23, and a sleeve 30 is put on and fixed to the body part 22. In the winding step, the paper 11 is wound on the sleeve 30.
B65B 35/58 - Turning articles by positively-acting means, e.g. to present labelled portions in uppermost position
B65B 9/06 - Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 35/40 - Arranging and feeding articles in groups by reciprocating or oscillatory pushers
B65B 61/06 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
B65B 65/00 - Details peculiar to packaging machines and not otherwise provided forArrangements of such details
A coreless paper roll manufacturing method including a winding step for winding paper 11 into a roll shape on a shaft 20, and an extraction step for extracting the shaft 20 from the paper roll 12 to form a central hole 13, wherein the shaft 20 comprises a body part 22 having grooves 23, the body part 22 is covered by a sleeve 30 and the sleeve 30 is fixed thereto, and in the winding step, the paper 11 is wound from atop said sleeve 30.
Provided are a mask and a method for manufacturing the mask, the mask being formable from a substitute even when an existing mask is not at hand. This mask 1 comprises two sheets of thin paper 8, 16 such as paper towels, wherein: in a first step, each of the thin paper 8, 16 is vertically folded in two; in a second step, a first stacked section of the first thin paper 8 and a second stacked section of the second thin paper 16 face and overlap each other; in third and fourth steps, pleat sections 4, 5 are formed; and in fifth to seventh steps, both overlapped end sections are folded toward the rear side together with strings 7.
Provided is a method for manufacturing a package which prevents a product from being damaged when performing transportation using a transportation apparatus such as a forklift. This method for manufacturing a package is characterized in that: in a first step for arranging side-by-side a plurality of packaging bodies 10 and forming a lower layer 31, an upper layer 32, and a narrow layer 33, the narrow layer 33 is formed to have a smaller width, and the lower layer 31, the narrow layer 33, and the upper layer 32 are stacked so that an insertion part 34 is formed; and in a second step for attaching an auxiliary member 40 which brings a fork part of the forklift into contact with the insertion part 34, an upper wall part 41 of an auxiliary member 40 is brought into contact with a lower end section of the upper layer 32.
B65B 11/02 - Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
Provided is a toilet paper holder that makes it possible for a user to easily pull out toilet paper from a housed large-sized roll. In this toilet paper holder, when toilet paper 2a is pulled out from a paper cutter part 15, a weight member 12 moves upward as a result of tension generated in the toilet paper 2a, and once the paper cutter part 15 cuts the toilet paper 2a and the tension disappears, the weight of the weight member 12 causes the weight member 12 to move downward, which pulls the toilet paper 2a out from a roll case 10.
Provided is a toilet paper holder that makes it possible for a user to easily pull out toilet paper from a housed large-sized roll. In this toilet paper holder, when toilet paper 2a is pulled out from a paper cutter part 15, a weight member 12 moves upward as a result of tension generated in the toilet paper 2a, and once the paper cutter part 15 cuts the toilet paper 2a and the tension disappears, the weight of the weight member 12 causes the weight member 12 to move downward, which pulls the toilet paper 2a out from a roll case 10.
Provided are a method and an apparatus for manufacturing a pillow packaging body that make manufacturing efficiency excellent while avoiding damage on the pillow packaging body when the pillow packaging body provided with a fixation tape is mass-produced. The method for manufacturing a pillow packaging body includes: placing a pillow packaging body 1a among a plurality of pillow packaging bodies conveyed by a conveyance unit 21 on an inclined placement unit provided in the conveyance unit 21 and inclining the same in a prescribed direction; expanding a gap between a pillow packaging body 1b placed on the conveyance unit 21 adjacent to the pillow packaging body 1a and the pillow packaging body 1a; and bringing a cutting blade part 25 into contact with a series of double-sided tapes 16 affixed between the pillow packaging body 1a and the pillow packaging body 1b and cutting the same.
B65B 9/06 - Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
B65B 61/00 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
There is provided a method of producing a packed body that does not fall off and collapse during transportation and does not cause damage to cartons and paper material locally and around which a packing film can be wound easily. A packed body production method includes a first step in which a layered body is formed by stacking cartons containing toilet paper rolls and in which an insertion section into which a fork unit of a forklift is inserted is formed at a predetermined position in the layered body, a second step in which a first packing film is wound spirally around at least side surfaces of the layered body, and a third step in which a second packing film is wound around the layered body so as to close an opening of the insertion section.
B65B 11/58 - Applying two or more wrappers, e.g. in succession
B65B 11/02 - Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
B65B 35/50 - Stacking one article, or group of articles, upon another before packaging
B65D 71/00 - Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottlesBales of material
B65D 71/06 - Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottlesBales of material comprising a plurality of articles completely or mainly held together by packaging elements, e.g. under tension
Provided is a paper roll production apparatus that saves installation space and enables production of paper rolls of different qualities and a shortening of production time. The paper roll production apparatus includes: a sheet-forming and dewatering part 5 forming paper stock into a sheet and for dewatering the paper stock; a drying machine 6 drying the paper stock dewatered by the sheet-forming and dewatering part 5 to form a dry paper material; a switching mechanism part switching to feed, into the drying machine 6, the paper stock dewatered by a first sheet-forming machine included in the sheet-forming and dewatering part 5 or the paper stock dewatered by a second sheet-forming machine included in the sheet-forming and dewatering part 5; and a winder 8 winding up the dry paper material provided by the drying machine 6 to form a paper roll. The first sheet-forming machine operates at a sheet-forming speed at which a fiber orientation of the paper stock is maintained. The second sheet-forming machine operates at a sheet-forming speed faster than the sheet-forming speed of the first sheet-forming machine. The winder 8 winds up the dry paper material at a speed corresponding to the sheet-forming speed of the first sheet-forming machine or to the sheet-forming speed of the second sheet-forming machine to form the paper roll material.
A deodorant-paper manufacturing method includes: a first step in which belt-like paper stock placed on a wire cloth in a wire part is dehydrated; a second step in which the dehydrated belt-like paper stock is transferred to conveyance means in a press part to be further dehydrated; and a third step in which the dehydrated belt-like paper stock is dried by drying means in a dryer part. Any one of the first to third steps includes a fourth step in which particle-containing liquid having deodorant effect is ejected from ejecting parts. In the fourth step, the ejecting parts are arranged in a line such that the particle-containing liquid is deposited in the width direction of the belt-like paper stock, and the particle-containing liquid is sequentially ejected from the ejecting parts with a predetermined time difference so that unevenness in or damage to fibers in the paper stock does not occur.
D21H 21/14 - Non-fibrous material added to the pulp, characterised by its function, form or propertiesPaper impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
D21H 27/00 - Special paper not otherwise provided for, e.g. made by multi-step processes
Provided is a toilet paper holder that makes it possible to tear off a desired length of toilet paper using one hand, and for the toilet paper to be held on the surface side of a cover part after tearing occurs. A cover part 12 for covering the circumferential surface of toilet paper 40 is equipped with a pull-out section 14 through which the paper leading end section 40a is pulled out to the surface side of the cover part 12, a cutter part 15 for tearing the pulled-out toilet paper, and a guide part positioned between the pull-out section 14 and the cutter part 15, wherein the guide part is formed in a manner such that the paper leading end section 40a that pulls back in response to the tearing maintains a sufficient length so as to be held on the surface side of the cover part 12.
A log roll can be efficiently manufactured in a log roll manufacturing apparatus. When yet-to-be-wound base paper constituted of stacked sheets of first base paper and second base paper fed from first and second parent rolls is supplied to a main processing-winding unit, if a winder capable of manufacturing a two-ply log roll and including a sub processing-winding unit is to manufacture a one-ply log roll by using the main processing-winding unit, the yet-to-be-wound base paper constituted of the stacked sheets of the first base paper and the second base paper is separated into first separated yet-to-be-wound base paper and second separated yet-to-be-wound base paper by a base-paper separating unit. Then, one-ply log rolls are simultaneously manufactured by using the main processing-winding unit supplied with the first separated yet-to-be-wound base paper and the sub processing-winding unit supplied with the second separated yet-to-be-wound base paper.
16 - Paper, cardboard and goods made from these materials
Goods & Services
Paper; goods made of paper for household and kitchen use; toilet paper; tissue paper; kitchen paper; absorbent sheets of paper for foodstuff packaging; paper kitchen towel; hygienic hand towels of paper; towels of paper; table napkin of paper; hand towels of paper; handkerchief of paper; paper tissues; paper tissues for removing make-up; paper tissues for cosmetic use; paper wipes; paper wipes for cleaning; cellulose wipes; facial tissue.
A coreless paper roll manufacturing method includes: unrolling a wide tissue web from a parent roll; spraying adhesive on the wide tissue web; winding the wide tissue web on a winding mandrel to form a log roll; and cutting the log roll to form a plurality of paper rolls. The spraying includes depositing a first adhesive, having a bonding strength capable of solidifying the wide tissue web wound on the winding mandrel and separating a sheet of tissue from the solidified wide tissue web, on parts of the wide tissue web from which the wide tissue web starts to be wound, the parts including both ends of the wide tissue web in the width direction and positions at which the log roll is cut, and depositing a second adhesive having a lower bonding strength than the first adhesive on parts between the parts where the first adhesive is deposited.
B65H 35/00 - Delivering articles from cutting or line-perforating machinesArticle or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
B65H 18/10 - Mechanisms in which power is applied to web-roll spindle
Provided is a method for manufacturing a package body, the method not allowing slipping and load collapse even during transport and facilitating the wrapping of packing film without localized damage to containers or paper materials. The present invention is configured by including: a first step for stacking a plurality of containers in which toilet paper is stored and forming a stacked body, and providing inserting sections into which the forks of a forklift can be inserted at predetermined positions in the stacked body; a second step for spirally wrapping a first packing film around the side surface sections of the stacked body; and a third step for wrapping a second packing film around the stacked body so that the insertion sections are closed.
B65B 11/02 - Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
B65D 71/06 - Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottlesBales of material comprising a plurality of articles completely or mainly held together by packaging elements, e.g. under tension
A packaged-body producing method that minimizes damage to packaged bodies due to constriction or the like and that enables formation of packaged bodies in various shapes is provided. The method includes a first step in which a plurality of packages 10 accommodating toilet paper rolls or the like are stacked, and recesses are provided at predetermined positions of the stacked form; a second step in which a packaging film 20 is spirally wound on the sides of the package stack form; and a third step in which the packaging film 20 is wound so as to cover the circumference, including an upper end portion and a lower end portion, of the package stack form.
B65B 11/02 - Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
B65B 17/02 - Joining articles, e.g. cans, directly to each other for convenience of storage, transport, or handling
B65B 35/50 - Stacking one article, or group of articles, upon another before packaging
Provided is a coreless rolled paper manufacturing method that allows paper that has been wound into a roll shape to be used all the way until the final end thereof. This manufacturing method is characterized by comprising: a first step in which a paper 2 is wound into a roll shape to form a roll-shaped rolled paper 1; a second step in which an insertion unit that discharges an adhesive is inserted into a center hole 3 of the rolled paper 1; a third step in which the adhesive is applied to a prescribed location in the center hole 3; and a fourth step in which the place where the adhesive was applied is subjected to heated drying, and both ends 3a, 3b of the center hole 3 are stiffened, wherein in the third step, the adhesive is applied in the vicinity of both lengthwise ends of the center hole 3, said adhesive having an adhesiveness of such a degree that the paper 2 that was wound into the roll shape can be peeled away when the rolled paper 1 is used, and in the fourth step, the adhesive that was applied in the center hole 3 is dried before the adhesive spreads from the prescribed location in the center hole 3.
Provided is a paper roll manufacturing method with which installation space can be minimized and paper rolls of different paper types can be manufactured while minimizing manufacturing time. This manufacturing method is characterized by comprising: a papermaking/dehydration unit 5 that makes paper from a paper stock and dehydrates the result; a drying machine 6 that dries the paper material dehydrated by the papermaking/dehydration unit 5; a switching mechanism unit that switches between the paper stock dehydrated by a first papermaking machine of the papermaking/dehydration unit 5 and the paper stock dehydrated by a second papermaking machine, and supplies the result to the drying machine 6; and a winding machine 8 that winds the paper material dried by the drying machine 6 and forms a paper roll, wherein the first papermaking machine operates at a papermaking speed that does not disrupt the direction of fibers in the paper stock, the second papermaking machine operates at a faster papermaking speed than the first papermaking machine, and the winding machine 8 winds the paper roll at speeds corresponding to the respective papermaking speeds of the first papermaking machine and the second papermaking machine.
Provided is a production method for deodorizing paper, in which particles having deodorant effects are contained, at a desired rate, into a thin paper sheet without a bias so that sufficient paper strength can be ensured, and stable quality can be maintained even when the paper sheet is formed into a roll-like product. The method comprises: a first process for dehydrating a band-like paper material placed on a screen net 16 of a wire part; a second process for transferring the dehydrated band-like paper material to a transfer means of a pressing part and further dehydrating the band-like paper material; and a third process for drying the dehydrated band-like paper material by means of a drying means of a drier part. Any one of the first process to third process includes a fourth process for ejecting, from ejection parts 17a-17e, a liquid that contains particles having deodorant effects. In the fourth process, the ejection parts 17a-17e have been arranged side by side in order to cause adhesion of the particle-containing liquid along the width direction of the band-like paper material, and the ejection parts 17a-17e sequentially eject the particle-containing liquid at a predetermined time interval so as to prevent occurrence of bias or damage in the fiber of the paper material.
D21H 21/14 - Non-fibrous material added to the pulp, characterised by its function, form or propertiesPaper impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
D21H 23/24 - Addition to the formed paper during paper manufacture
The purpose of the present invention is to efficiently produce log rolls by means of a log roll production device capable of producing a multi-ply log roll using a plurality of parent rolls. A winder 1 can produce a two-ply log roll 62 when a main processing/spooling part 50A is supplied with a spoolable base sheet 12 in which are plied first and second spoolable base sheets 11a and 11b fed from first and second parent rolls 10A, 10B. The winder 1 is provided with a subprocessing/spooling part 50B. When producing a single-ply log roll 61 by means of the main processing/spooling part 50A, the spoolable base sheet 12 in which are plied the first and second spoolable base sheets 11a and 11b is separated by a spoolable base sheet separation unit 70 into a first separated spoolable base sheet 12a and a second separated spoolable base sheet 12b. The single-ply log roll 61 is produced by means of the main processing/spooling part 50A supplying the first separated spoolable base sheet 12a and the subprocessing/spooling part 50B supplying the second separated spoolable base sheet 12b at the same time.
Provided is method for manufacturing a packaging body manufactured such that a sealed opening of the packaging body can be easily opened. The present invention is characterized by having: a first step in which a perforation (perforated opening (12)) is formed in a predetermined portion of a resin packaging sheet (10); a second step in which a tissue paper bundle (11) is covered with the packaging sheet (10) and thereby packaged so that the portion in which the perforated opening (12) is formed serves as a top surface; and a third step in which a joint part (13) of the packaging sheet (10) with which the tissue paper bundle (11) is packaged is fixed so that the packaging sheet (10) is formed in a box shape or an envelope shape, wherein in the first step, a cutter provided with a plurality of thin blades having different blade lengths are brought into contact with a predetermined position of the packaging sheet (10), and perforated holes having different hole lengths in the extension direction of the perforated opening (12) are formed in a linear shape.
B65B 11/12 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in a single straight path to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
B65D 83/08 - Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
Provided is a method for manufacturing a packaging body, whereby damage to a packaging body due to clamping or the like is suppressed, and packaging bodies having various shapes can be formed. The present invention is characterized by having a first step for stacking a plurality of packages 10 in which toilet paper or the like is accommodated and providing a recess in a predetermined position of the stacked shape, a second step for winding a packaging film 20 in a spiral shape onto a side surface of the package stack shape, and a third step for winding the packaging film 20 so as to cover the periphery of the package stack shape including top and bottom end parts thereof, the plurality of packages 10 being stacked in the first step so that the recess is formed in a position at which a fork part of a forklift makes contact and can lift, the packaging film 20 being wound in the second step so as not to obstruct contact of the fork part of the forklift with the recess, and the packaging film 20 being wound in the third step so that a fixing strength is obtained whereby the shape does not collapse during lifting by the forklift.
Provided is a method for producing coreless paper rolls that can be fully used without generating any offcuts. This method is characterized by: comprising a first step of unrolling wide lightweight paper 11 from a web roll 10, a second step of spraying an adhesive onto the wide lightweight paper 11, a third step of forming a log roll 20 by winding the wide lightweight paper 11 around a winding shaft 17, and a fourth step of forming a plurality of paper rolls by cutting the log roll 20 into rounds; and having the second step which comprises a fifth step of applying a first adhesive to both widthwise edges of the wide lightweight paper 11 and to a position where a cut is to be applied in the fourth step, within the part of the wide lightweight paper 11 that will be wound onto the winding shaft 17 first, wherein the first adhesive has an adhesive strength that allows the wide lightweight paper 11 on the winding shaft 17 to set while also allowing the set paper to be peeled into lightweight paper, and a sixth step of applying a second adhesive between the first adhesive application positions, the second adhesive having lower adhesive strength than the first adhesive.
Provided is a storage rack structure which, without having a mechanism, etc. requiring facility cost, enables easy package insertion and extraction and also enables the efficient use of space within a warehouse. This storage rack structure comprises: a first row of columns located at a first side of a pallet 21 on which a package 22 is placed; a second row of columns located at a second side of the pallet 21; and a first shelf board and a second shelf board, which are extended horizontally. The storage rack structure is characterized in that: the first row of columns and the second row of columns are installed between a passage for a forklift for transferring the pallet 21 and the inner end side of a warehouse, and are separated from each other a distance greater than the overall width of the forklift; the first shelf board and the second shelf board protrude toward the mutually facing shelf boards to enable a first side of the pallet 21 to be placed on the first shelf board and to enable a second side of the pallet 21 to be placed on the second shelf board; and the distance between the first shelf board and the second shelf board is greater than the width of a predetermined portion of the forklift.
Provided is a method for producing a package allowing prevention of damage to stacked encased bodies at low cost. The method is characterized by comprising: a step for stacking multiple encased bodies 10; a step for attaching reinforcement sheet materials 13, 14 such that the reinforcement sheet materials 13, 14 cover the lateral-surface outer peripheries of the stacked encased bodies 10; and a step for fixing the stacked encased bodies 10 by winding a fixing band 12 from the outer sides of the reinforcement sheet materials 13, 14, wherein, at the step for attaching the reinforcement sheet materials 13, 14, the reinforcement sheet materials 13, 14 are attached on the lateral surfaces of the encased bodies 10 such that ends of the reinforcement sheet materials 13, 14 protrude respectively from the top surfaces of the encased bodies 10 of the uppermost layer and the bottom surfaces of the encased bodies 10 of the lowermost layer, and, at the step for fixing the stacked encased bodies 10, the ends of the reinforcement sheet materials 13, 14 protruding respectively from the top surfaces of the encased bodies 10 of the uppermost layer and the bottom surfaces of the encased bodies 10 of the lowermost layer are bent respectively toward the top surface side of the uppermost layer and the bottom surface side of the lowermost layer so as to cover edge sections of the encased bodies 10, and the fixing band 12 is wound over the edge sections with the reinforcement sheet materials 13, 14 interposed between the fixing band 12 and the edge sections.
B65D 71/04 - Arrangements of flexible binders with protecting or supporting elements arranged between binder and articles or materials, e.g. for preventing chafing of binder
34.
METHOD FOR DECONTAMINATING GRANULAR MATERIAL CONTAMINATED BY RADIOACTIVE MATERIAL
The purpose of the present invention is to provide a method for decontaminating a granular material contaminated by a radioactive material, whereby the efficiency of decontamination of radioactive cesium 134 and 137 is increased. The method for decontaminating a granular material contaminated by a radioactive material according to the present invention has a pre-treatment step for mixing a granular material contaminated by a radioactive material with a sodium-phosphate-based dispersing agent, and a decontamination step for mixing the granular material contaminated by a radioactive material subjected to the pre-treatment step and a porous granular carbonized burned product comprising paper sludge, whereby radioactive cesium 134 and 137 in the granular material contaminated by a radioactive material is incorporated into the porous granular carbonized burned product.
Provided is a coat wherein the external appearance is not impaired in a worn state and that can be used as either a long coat or a short coat because the coat is provided with an extension part (3) that is attachable to and detachable from a coat main body part (2) and with which the length of the coat (1) can be adjusted, and the coat main body part (2) and the extension part are provided with latching parts (4) and mating parts (5) for mating the two. The coat is characterized: by being provided with the coat main body part (2) having a length of an extent to cover the buttocks of a wearer, and the extension part (3) which is attachable to and detachable from the coat main body part (2) and extends the length of the coat (1) as a whole downward when worn; and in that the extension part (3) is provided with, on the outside thereof, the mating parts (5) that can be mated with the latching parts (4) provided on the inner periphery of the coat main body part (2) at a position with a height corresponding to the waist of the wearer.
The purpose of the present invention is to produce marked toilet paper rolls. Using a marked toilet paper roll manufacturing device (1A) in which a log roll manufacturing device (10) is combined with a stamping device (8) comprising a stamp main body (81) provided with stamping parts (8a) for stamping arrow symbols (A) at predetermined intervals that correspond to the width of one toilet paper roll (T), a log roll (L) is rolled to a position between the position where a gluing device (5) and a cutter (3) are located and the position where a supporting roll (6) is located, which is an advanced position of the log roll (L), and is temporarily stopped by an intercepting part (82). The stamp main body (81) is pushed up to a winding end of the stopped log roll (L) to stamp symbols with the stamping parts (8a), and then the log roll (L) is removed from a winding shaft (1) and cut into toilet paper rolls (T) with a predetermined width. Thus, toilet paper rolls (T) each having an arrow symbol (A) stamped on the winding end are obtained.
Provided are a light water supply device for a nuclear power generation facility and a light water supply method for a nuclear power generation facility capable of supplying light water without electrical equipment. A light water storage part (11) is provided on an elevated platform (14) that is provided outside a nuclear power generation facility (1) and is higher than a nuclear reactor (2) inside the nuclear power generation facility (1), and light water stored in the light water storage part (11) is caused to flow along a water route (12) connecting the light water storage part (11) to the nuclear power generation facility (1) and is supplied to the nuclear power generation facility (1).
