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WO/1995/029295A1 |
In a suction mould for producing papier-m�ch� objects by suction moulding a dispersion of pulp onto a shaping surface, said mould being permeable to air and liquid and placed above a suction and pressure chamber and comprising a siev...
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WO/1995/023831A1 |
A moulding which can be produced from renewable raw materials and is fully bio-degradable consists of cellulose-containing, vegetable material containing a mixture of solids comprising a) a ground ligno-cellulose-containing material and,...
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WO/1995/020628A1 |
The invention pertains to a process for producing moldings, especially molded packaging articles, from biodegradable material using a viscous mass that contains biodegradable fibrous material, water and starch, and that is baked in a bak...
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WO/1995/017551A1 |
A sheet impregnated with a composition consisting of a mixture of a cross-linkable polymer having a glass transition temperature of -10 to 35 �C, used in the form of a stable aqueous dispersion, other than a butyl ethyl-acrylate styren...
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WO/1995/015252A1 |
A process for forming molded articles from partially delignified non-woody lignocellulosic materials (10) is disclosed that includes forming a mass of fibrous pulp partially delignified lignocellulosic material from a water suspension th...
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WO/1995/014413A1 |
Method for manufacturing a cloth hanger (1) comprising a base part (2) with a hook part (4) and support arms (5) in one piece, whereby fibreboard is used as starting material for the cloth hanger (1), and a cloth hanger thus produced.
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WO/1995/013425A1 |
The present invention relates to a sheet material manufactured piecewise and having a dry solids contents exceeding 90 % and comprised at least partially of cellulose pulp fibres, characterized in that the material contains a) a mixture ...
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WO/1995/012711A1 |
A method for manufacturing fiber boards comprising the steps of desintegrating the fiber raw material while exposing individual fibers from the same, diluting the fibers in water while forming a beating material which is distributed on a...
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WO/1995/007604A2 |
A method of producing fibreboard, the method comprising the sequential steps of (a) providing an aqueous slurry or suspension of lignin-containing wood fibre material; (b) adding a phenol oxidizing enzyme system to the fibre slurry; (c) ...
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WO/1995/006176A1 |
The invention relates to a floor element for covering a base in which the bearing surface consists of a wood fibre board which is covered with a transparent lacquer coating at least on said bearing surface. This floor element can be laid...
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WO/1994/029526A1 |
In a plant for manufacturing articles from a pulp prepared from a cellulose-fibre raw material and containing contrast-coloured components giving the objects a flecked appearance, the new feature is that the plant comprises a) a wet sect...
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WO/1994/024371A1 |
The mutually associated moulding tools, such as a suction mould and an associated pressing-and-depositing mould, neither of which are shown, comprise a baseplate (1) with a modularly divided, rectangular area (2) provided with perforatio...
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WO/1994/019540A1 |
An improved flexible manufacturing process for making molded fiber products uses a molding machine (100) provided with a large number of ports for mounting a variety of molds. Quick release mold attachments (306) permit rapid changeover ...
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WO/1994/019539A1 |
A moulded body is produced on the basis of a raw material, the main content of which is material which is left after remoulding pulp from paper and extraction of fibres from the pulp mass for remanufacturing of paper. This raw material w...
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WO/1994/018388A1 |
The invention concerns dispersion of the cellulose based fibres in straw by the aid of alkali and strong mechanical agitation. This solubilizes the pentosane in the straw, and turns the mixture into a high viscosity paste, so that the fo...
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WO/1994/018390A1 |
The disclosed installation has a device (5) for lifting an object (4) from a pulp moulding cylinder. This lifting device (5) has a head (13) for receiving the object to be transferred (4), as well as a first driven shaft (6). At least on...
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WO/1994/018384A1 |
The invention describes a method for dispersion of cellulose based fibers in water. The raw material, which particularly may be recycled paper, is first wetted with water. By a combination of addition of hydrocolloid which binds water, a...
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WO/1994/015766A1 |
Manufacturing process of panels or finished products, particularly for thermic, sound and similar insulation, by using raw materials like the paper, the Bristol board, the cardboard and similar materials, which are in succession or at de...
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WO/1994/012347A1 |
A film suitable for continuous application to particle boards in the making of laminated particle board is disclosed, which film is steam penetrable and impregnated with semi-cured impregnating resins and provided with a partially cured ...
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WO/1994/006274A1 |
A plant pot comprising a hardened matrix of fibres (10) forming the wall and exterior surface of the pot and a low density matrix of similar fibres (13) within the pot. A method of forming a plant pot as described by preparing a slurry o...
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WO/1994/004360A1 |
A cellulose mixture including a protein based adhesive binder and colorant. The mixture can be compression molded or extruded and upon curing in the presence of microwave or radio frequency energy or in a thermally controlled appliance, ...
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WO/1993/025755A1 |
The invention relates to the production of objects by suction-moulding pulp mass so as to form blanks or preforms (46) of at least approximately the same shape as the finished objects, after which the blanks or preforms are dried complet...
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WO/1993/018230A1 |
A packaging system composed of insulating, sound-proofing and supporting plates has a flat surface that bulges out at regular intervals. The material of the invention is composed of repulped used paper and/or ground wood pulp, as well as...
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WO/1993/017977A1 |
An irreversibly and gradually deformable impact protection material, wherein said material contains, for 100 parts by weight of at least one unhydrated hydraulic binder, 2.5-75 parts by weight of cellulose fibres dispersed in the matrix ...
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WO/1993/018227A1 |
In a process for making board according to the wet method, a stock is prepared from fibres produced from a fibrous raw material, and a binder is added prior to dewatering and pressing. The process is distinguished by adding the binder to...
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WO/1993/017183A1 |
The equipment comprises a suction mould (1) having a plate (2) with perforations (5) and a covering of wire gauze (6). A number of projections (8) in the form of hollow members (9) of plastic, e.g. high-density polyethylene, are secured ...
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WO/1993/010971A1 |
Free-flowing dunnage of molded pulp pieces having random, non-nestable shapes to insure the free-flowing characteristic, is made by a method and apparatus involving passing slurry from pulper (32) to multi-cavity molds (16) placed around...
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WO/1993/008329A1 |
The invention relates to a chipboard with oriented structure comprising fibres (1) of vegetable origin e.g. wooden chippings having been fixed with some binding material (5) in their oriented position. The characteristic feature of the i...
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WO/1993/004235A1 |
A roll cover apparatus (12) is disclosed for covering a roll (14) of a papermaking machine. The apparatus includes a synthetic cover (16) which is applied to the outer peripheral surface (18) of the roll, which is of an electrically cond...
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WO/1992/021499A1 |
Method and apparatus to form grids of open cells from fibers (22), especially wood fibers and fibers from waste paper and mixed waste materials. The invention utilizes a screen (18) carrying a plurality of elastomeric pads (20) of predet...
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WO/1992/011414A1 |
A die for a wet pulp moulding machine to be mounted on the surface of a drum has a first contoured metal mesh (22) capable of receiving pulp on its outer surface (22), a main die body (27) formed of a plastics material having a contoured...
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WO/1992/004301A1 |
An insulation panel (10) comprises a mineral fiber board (12) having a density between 8 and 28 pounds per square foot (0.128 and 0.449 gm/cc), the fibers (18) having no organic binder thereon, and between 5 and 40 percent by weight of p...
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WO/1992/001833A1 |
A process and an apparatus for the production of paper products, such as 'cat litter' or paper fuel, comprising reducing paper to a particulate form by shredding and grinding, conveying the particles of paper as a layer on a first convey...
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WO/1991/011555A1 |
In the process described, the raw material, in particular recycled paper and/or waste cardboard, in the form of an aqueous suspension, is brought by a suction filter out of suspension and on to a perforated surface (3) the shape of which...
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WO/1991/005110A1 |
Installation for pressing water from a solid mat of compressed substance which is wetted during the manufacture of solid boards, especially fibreboard. The installation essentially consists of a water removal press with an upper and lowe...
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WO/1991/001206A1 |
Sheeting in the form of fibre board comprising cellulose fibres and a thermosetting resin in an amount sufficient to bond the cellulose fibres together when compressed the sheeting having a density of 1100 kg/m?3� or greater. The metho...
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WO/1990/015704A1 |
It is attractive to produce small wooden objects, e.g. pipe heads or furniture handles, by a moulding process based on an aqueous suspension of wood dust, but by the attempts made so far the process time has been so long that it has not ...
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WO/1990/012169A1 |
The manufacture of sag-resistant, lightweight structural mineral panels on a foraminous support wire (40) is accomplished by forming a dilute aqueous dispersion of mineral fiber and/or aggregate and an anionically stabilized latex binder...
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WO1990005211A2 |
A paper-like or cardboard-like raw material containing inorganic fibres, particulate inorganic additives and organic binders or flocculents is characterized in that (1) the particulate inorganic additives comprise 40-80 wt. % of the dry ...
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WO/1990/004678A1 |
By means of a procedure for the manufacture of contour stable objects a fluidized fibre raw material is deposited on a moulding foundation through suction of a pulp of the fibre raw material on that foundation. For this purpose the found...
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WO/1990/004679A1 |
By means of a procedure for the manufacture of load carrying elements, including pallets, a fluidized fibre raw material is deposited on a moulding foundation through suction of a pulp of the fibre raw material on that foundation. For th...
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WO/1990/004677A1 |
The invention relates to the manufacture of moulded objects from a fluidized fiber raw material. The fiber raw material used, is a pulp processed from waste paper by slushing the waste paper in a pulper. The whole of, or some part of the...
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WO/1990/000944A1 |
Moulded objects of an aqueous suspension of a fibrous material, especially fiber pulp, are produced by placing a layer of the material through a depositing process against the outline-forming outside of a mould which is permeable in orde...
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WO/1989/010449A1 |
In the process disclosed, pulp mixed in a dosing device is introduced into the pre-shaping device (1) on an endless shaping web (3), for example a papermaking machine wire web, which serves successively for support and drainage of the pu...
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WO/1989/002353A1 |
The invention relates to a method of controlling the material and/or moisture content of an elongated object (4) which comprises, inter alia, fibrous material, in which a quantity of fibrous material containing a moist binder is compress...
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WO/1989/002354A1 |
The invention includes an arrangement for manufacturing an elongated object (4) comprising, inter alia, a fibrous material, by compressing (7, 8) a quantity of fibrous material provided with a binding agent and drying the compressed fibr...
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WO/1989/000552A1 |
A deformable molded fiber product is formed by a method of felting, pressing and drying the compressed product (37) having a uniformly spaced series of low density ridges (40) on one surface. These ridges provide the molded fiber product...
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WO/1989/000587A1 |
Urea-formaldehyde resins which may be cured to give products having a low total extractable formaldehyde content are prepared by the following process: i) aqueous 30-50 % formaldehyde and urea are mixed in a formaldehyde:urea molar ratio...
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WO/1988/007105A1 |
Process for treating fibre materials, particularly for the purpose of producing reliefs, using at least one fibre material from which a suspension is made. Additives are mixed with said suspension, and a planar formation is created. The ...
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WO/1988/005096A1 |
A method for the manufacture of very low density mineral wool structural panels on a moving foraminous support wire (40). A dilute aqueous furnish of mineral wool, lightweight aggregate, cooked wheat starch, cationic guar gum and non-ion...
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