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WO/1984/002873A1 |
A tough, flexible, sheet-like matrix for a bas-relief pattern is made by casting a reinforced resin on a mold (10) of the pattern and submerging a perforated plate (22) in the liquid resin so that the plate is parallel to a substantially...
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WO/1984/001176A1 |
A stratified composite paper product (8) which is substantially impermeable to liquids & gases comprises: an interior stratum (2) composed predominantly of cellulosic papermaking fibers (3), directly contiguous to each face of the interi...
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WO/1983/002469A1 |
The process involves selection of a lignin-containing fiber source, having a lignin content of at least about 10 %, and thermomechanically pulping the fiber source under temperature/pressure conditions of 300oF-350oF/ 50 psig- 120 psig a...
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WO/1983/000888A1 |
In a method of manufacturing a multilayered fibrous product, wherein a layered product is deposited on a continuously moving gas-permeable forming surface by successively supplying streams of fibre-containing gas to said forming surface,...
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WO/1982/003595A1 |
In the production of an acoustical fiber board product (10) having a patterned top surface (14) and (16), the surface (14) and (16) is provided with a high fidelity reproduction of a molded design by a hollow rotating embossing roller (3...
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WO/1982/003413A1 |
The head box with tuyeres (100) has a tuyere chamber (120), two converging outer walls (95, 96) and an outlet nozzle (121) of the tuyere. There is provided at least three separate supply systems for the chamber with different liquids and...
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WO/1982/002911A1 |
A non-woven fabric having a pattern defined by an array of discrete areas having a reduced fibre density but which are substantially free of perforations is produced by supporting a freshly wet laid web of the non-woven fabric on a porou...
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WO/1982/000485A1 |
Method for producing a cellulosic sheet (20) capable of being used in high quality grades of tissue and towel, which exhibits outstanding water absorbency properties and a high degree of surface-perceived softness. The method includes th...
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WO/1981/002704A1 |
Procedure for manufacturing a tissue web (W), which is dewatered in a press section (80), whereafter the web (W) is conducted to a drying section (94; 100; 100'), where the web (W) is dewatered by evaporation. The web (W) is conveyed in ...
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WO/1981/002031A1 |
For distributing loose fibres on a moving forming web (2) in dry forming of paper an air fluidized fibre material is fed to and recirculated in a pipe circuit comprising two parallel, straight screen pipes (12) extending over the forming...
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WO/1981/001429A1 |
Improved infusion web material for tea bags and the like is provided by using synthetic pulp in the heat seal phase (22) and forming therein an array of a large number of small discrete craters (34). These craters (34), which exhibit an ...
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WO/1980/002575A1 |
A method and a device for forming a paper web in a fourdrinier paper making machine. The stock is ejected onto the wire (3) through a slice (1). In order to dampen the hydrodynamic disturbances, the paper web is formed in a space (8) bet...
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JP7365785B2 |
To provide a reinforcement material having a strength and flexibility suitable as a reinforcement material of a material for structure, and a method for producing the same.A reinforcement material is obtained by twisting a strip-shaped m...
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JP7219749B2 |
A method of making a fibrous sheet, the method comprising: (a) forming a nascent web from an aqueous solution of papermaking fibers; (b) applying the nascent web to an outer surface of a steam filled drum and dewatering the nascent web b...
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JP7075456B2 |
A multilayer belt structure that can be used for creping or structuring a cellulosic web in a tissue making process. The multilayer belt structure allows for the formation of various shaped and sized openings in the top surface of the be...
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JP6941629B2 |
Soft absorbent sheets, structuring fabrics for producing soft absorbent sheets, and methods of making soft absorbent sheets. The soft absorbent sheets have a plurality of projected regions and connecting regions that connect the projecte...
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JP6936469B2 |
To provide a new peach paper using peach trees as a raw material and production method thereof.In the method, peach tree-derived vegetable fiber raw materials using bark of branches trimmed from peach trees are blended with other fiber r...
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JP6930987B2 |
It is provided a roll for molding a fibrous sheet. The roll comprising:(A) a cylindrical shell configured to be rotatably driven in a circumferential direction, the cylindrical shell including:(a) a structural layer having an interior su...
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JP6920601B2 |
To provide a papermaking apparatus which can prevent decrease of durability of a papermaking belt and transferring a wet paper from a papermaking part to a dry part efficiently.The papermaking apparatus contains: a papermaking part 4 whi...
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JP6876215B2 |
To provide a sheet formation apparatus capable of forming a vivid watermark.A sheet formation apparatus Q contains a mesh belt 23 which holds and transports a pulp-containing material, a feed section 19 which feeds the pulp-containing ma...
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JP6843281B1 |
To manufacture a non-twisted paper yarn which is not only durable even if it is untwisted but also flexible and can be manufactured at low cost and at high speed in a paper yarn having a texture and being friendly to the skin and the env...
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JP6586892B2 |
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JP6530145B2 |
The present invention provides a method for reducing web break caused in preparing, by continuous paper making, a fiber sheet containing a high content of functional inorganic substance. The composite fiber sheet manufacturing method inc...
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JP6502741B2 |
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JP6473427B2 |
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JP6442575B1 |
To provide a method for manufacturing a paper tape which can be manufactured without cutting a paper into a narrow width and can form flexible raised portions on both sides of a tape main body portion. A papermaking net having a striped ...
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JP6318461B2 |
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JP6314042B2 |
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JP6273433B2 |
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JP6234925B2 |
The invention provides a method of controlling retention on a forming fabric in a paper making process, an intermediate product for use in the method, as well as use of material for the intermediate product. For making the intermediate p...
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JP2017196581A |
To achieve both a life and capture efficiency at high levels in terms of dust and carbon, and prevent deterioration of strength in accordance with mixture of chemical fibers.Paper is made so as to have a continuous density gradient betwe...
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JP6175776B2 |
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JP2017089024A |
To maintain transfer performance by an electrophotography method under a low temperature environment on a multiply paperboard.There is provided a multiply paperboard 1 with a plurality of paper layers 1a laminated, having surface electri...
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JP6074584B2 |
After beaten, pulp is mixed with a filler to obtain a mixture of the pulp and the filler. Additives are added to the mixture, which is made into pater and then hot-pressed. The filler content of the mixture is in the range of 20 wt % to ...
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JP6030350B2 |
A first papermaking raw material for an upper layer and a second papermaking raw material for a lower layer are subjected to papermaking so as to form a filtering material with a continuous density gradient from the upper layer to the lo...
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JP5947693B2 |
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JP5946546B2 |
An absorbent cellulosic sheet is formed by belt creping a nascent web at a consistency of 30% to 60% utilizing a generally planar perforated polymeric creping belt to form a sheet with fiber enriched higher basis weight hollow domed regi...
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JP5901129B2 |
There is provided a method for producing a nonwoven fabric that can produce a nonwoven fabric having high strength, high bulk and softness. The method for producing a nonwoven fabric according to the invention comprises a step of supplyi...
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JP5832754B2 |
To provide a method for producing a thread-shaped carbon nano structure, which can produce the thread-shaped carbon nano structure which has a structure that has not existed in the past, has high conductivity, can be used under a high-te...
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JP5657719B2 |
A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any...
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JP5651844B2 |
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JP5653156B2 |
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JP5653159B2 |
To provide a waste paper recycling treatment apparatus that can prevent a precipitation of fibers in a tank in a simple apparatus constitution.There is provided a waste paper recycling treatment apparatus that has a processing part for e...
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JP5654381B2 |
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JP5653153B2 |
To provide a waste paper recycling apparatus which detects an abnormal liquid level of a storage tank of a paper making machine at the time of maintenance by manual control and prevents leakage of waste washing water or the like from the...
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JP5625187B2 |
The present invention relates to a method for manufacturing a depth filter sheet material, said method comprising preparing a flowable aqueous pulp composition comprising a fibrous material and a binding agent; dispensing the flowable aq...
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JP5591193B2 |
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JP2014159004A |
To prevent contamination of metal foreign matters in a semipermeable membrane support in manufacturing a semipermeable membrane support.In a method for manufacturing a semipermeable membrane support by a wet papermaking method, water tre...
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JP5559209B2 |
A headbox is provided that comprises at least one first inlet channel adapted to receive furnish comprising fibres, at least one turbulence generator connected to the first inlet channel, a second inlet channel adapted to receive a non-f...
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JP5550337B2 |
Oxidative compositions and processes that preserve and enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process are identified. The oxidative composition and method maintai...
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