Each of upper surface side warps arranged vertically with lower surface side warps in pairs has a common weaving pattern excluding binding wefts. Binding warps constitute at least one of two warps vertically arranged forming pairs. In the pairs formed by the binding warps and the warps arranged vertically with the binding warps, the warps complement each other to form a weaving pattern for one upper surface side warp and a weaving pattern for one lower surface side warp, respectively, The upper surface side warps and the binding warps are interwoven with the upper surface side wefts to form an upper surface side fabric formed in a predetermined weaving pattern for each warp row. The lower surface side warps and the binding warps are interwoven with the lower surface side wefts to form a lower surface side fabric formed in a predetermined weaving pattern for each warp row.

The invention concerns a method of producing an MFC film comprising reinforcement fibers, which film show excellent oxygen barrier properties and is easy to handle. The method of manufacturing the film comprises the steps of: providing a suspension comprising a first microfibrillated cellulose (MFC) in an amount of at least 50 weight %, reinforcement fibers in an amount of at least 5 weight %, all percentages calculated on the total solid content of said suspension, and a formation aid, mixing said suspension to form a mixture, forming a fibrous web from the mixture, and dewatering and/or drying said fibrous web to form a film having a basis weight of less than 40 g/m.sup.2, a specific formation number of below 0.45 g.sup.0.5/m.sup.2, and an Oxygen Transmission Rate (OTR) value of below 100 ml/m.sup.2/per 24 hours, preferably of below 50 ml/m.sup.2 per 24 hours at 50% relative humidity. The invention further discloses a film and use of the film in food or liquid packaging applications.

The invention concerns a method of producing an MFC film comprising reinforcement fibers, which film show excellent oxygen barrier properties and is easy to handle. The method of manufacturing the film comprises the steps of: providing a suspension comprising a first microfibrillated cellulose (MFC) in an amount of at least 50 weight %, reinforcement fibers in an amount of at least 5 weight %, all percentages calculated on the total solid content of said suspension, and a formation aid, mixing said suspension to form a mixture, forming a fibrous web from the mixture, and dewatering and/or drying said fibrous web to form a film having a basis weight of less than 40 g/m.sup.2, a specific formation number of below 0.45 g.sup.0.5/m.sup.2, and an Oxygen Transmission Rate (OTR) value of below 100 ml/m.sup.2/per 24 hours, preferably of below 50 ml/m.sup.2 per 24 hours at 50% relative humidity. The invention further discloses a film and use of the film in food or liquid packaging applications.

[Task] The object of the present invention is to provide an industrial two-layered fabric with a long durability which exhibits an excellent surface smoothness and excellent marking characteristics, while at the same time improving wear resistance characteristics to balance warps and wefts.

[Solution to the Task] An industrial two-layered fabric formed by binding yarns, diameters of all of the upper surface side warps are set to be the same, diameters of all of the lower surface side warps are set to be the same, diameters of the lower surface side warps are set to be larger than diameters of said upper surface side warps, and at least one, or more than one of said upper surface side warps are woven with said lower surface side wefts to constitute binding yarns binding said at least one upper surface side fabric and said at least one lower surface side fabric.

A covering is particularly suited for use in a machine for producing and/or finishing a paper, cardboard, tissue or pulp web. The covering has a basic structure formed as a part of a flat woven material, which flat woven material is designed as a woven material by interlacing warp threads and weft threads. The portion of the flat woven material has a plurality of sections that are formed integrally with each other, with at least one property of one of the sections differing from the respective property of at least one adjacent section.

A device and a method for producing a pulp web in which the first clothing and the second clothing are wrapped partly round the forming roll and another roll. The pulp web formed is guided between the forming roll and the other roll on the first clothing and the second clothing is guided separately from the first clothing, at least in one section. This enables the pulp web to be produced with low energy consumption and operating costs.

A device and a method for producing a pulp web in which the first clothing and the second clothing are wrapped partly round the forming roll and another roll. The pulp web formed is guided between the forming roll and the other roll on the first clothing and the second clothing is guided separately from the first clothing, at least in one section. This enables the pulp web to be produced with low energy consumption and operating costs.

TECHNICAL PROBLEMS TO BE SOLVED BY PRESENT INVENTION The object of the present invention is to provide the industrial two-layer fabric which can make papers to be made with a lateral strength higher than that of the fabric constituted by one kind of the conventional upper surface side yarns structure by overcoming the technical difficulty in the adjustment of the fiber orientation due to the complicated factors such as a turbulence generated in the jet stream, the control of the ration J/W, etc.

MEANS TO SOLVE TECHNICAL PROBLEMS In the industrial two-layer fabric comprising an upper surface side fabric consisting of upper surface side warps and upper surface side wefts and a lower surface side fabric consisting of lower surface side warps and lower surface side wefts, the upper and lower surface side fabric being bound by foundation binding yarns, all structure portions of the upper surface side warps among a structure constituting said upper surface side fabric are the same, said upper surface side wefts comprises first upper surface side wefts and second upper surface side wefts, structures forming the first upper surface side wefts are different from those forming the second upper surface side wefts.

TECHNICAL PROBLEMS TO BE SOLVED BY PRESENT INVENTION The object of the present invention is to provide the industrial two-layer fabric which can make papers to be made with a lateral strength higher than that of the fabric constituted by one kind of the conventional upper surface side yarns structure by overcoming the technical difficulty in the adjustment of the fiber orientation due to the complicated factors such as a turbulence generated in the jet stream, the control of the ration J/W, etc.

MEANS TO SOLVE TECHNICAL PROBLEMS In the industrial two-layer fabric comprising an upper surface side fabric consisting of upper surface side warps and upper surface side wefts and a lower surface side fabric consisting of lower surface side warps and lower surface side wefts, the upper and lower surface side fabric being bound by foundation binding yarns, all structure portions of the upper surface side warps among a structure constituting said upper surface side fabric are the same, said upper surface side wefts comprises first upper surface side wefts and second upper surface side wefts, structures forming the first upper surface side wefts are different from those forming the second upper surface side wefts.

Creped fibrous structures having pillows and knuckles, wherein the creped fibrous structures exhibit improved knuckle properties, such as Knuckle Roughness Ra, Knuckle Roughness Rq, and Knuckle Creping Frequency and methods for making same are provided.