Abstract: An apparatus for high speed continuous thermoforming of pulp materials into pulp based products including a beverage dispensing capsule comprising a body having a side wall and a base formed entirely of moulded pulp fibres, said apparatus comprising a holding tank for water and pulp fibres in suspension, a continuous feed belt of articulated mesh toolsets contoured to the preform shape of said products, said belt being inclined to allow partial immersion and partial withdrawal from said suspension by continuous rotation of said belt, vacuum means applied to said mesh toolsets to draw said pulp fibres onto said mesh toolsets immersed in said suspension to form a preform pulp mat of said product.

Abstract: Techniques and apparatuses for making carbon nanotube (CNT) papers are provided. In one embodiment, a method for making a CNT paper may include disposing a structure having an edge portion including a relatively sharp edge into a CNT colloidal solution and withdrawing the structure from the CNT colloidal solution.

Abstract: In a process for producing a loudspeaker diaphragm, pulp is deposited on a paper-making mold in the presence of vortex stream of water having pulp dispersed therein in a paper-making bath. Pulp is deposited on the paper-making mold while at least the water having pulp dispersed therein is rotated by the vortex stream in the paper-making bath. Consequently, variation of pulp fiber orientation is suppressed, and a loudspeaker diaphragm with high reproducibility and stable quality is produced with a high productivity.

Abstract: Apparatus for forming fibrous filter elements such as tubular elements molded from borosilicate microfibers. Molding rigs are supplied with a slurry from a system including a holding tank and a reservoir. The reservoir is coupled to a water intake and also receives recycled aqueous liquid. The holding tank receives a mixture of fibers and aqueous liquid. A controller monitors volume levels in the holding tank and reservoir and allows for incremental pH changes.

Abstract: A loudspeaker diaphragm manufacturing apparatus of the present invention comprises; a paper tank, a pulp dispersion reservoir tank connected to the paper tank, a stirring means provided in the paper tank, a water inlet unit connected to the paper tank, a drain unit disposed under the paper tank, and a paper mold disposed at the bottom of the paper tank or in the drain unit, wherein a sectional area of the drain unit is larger than the plane area of the paper mold. The drain unit may be further provided with a water flow control plate in a draining direction of the paper mold. According to the manufacturing apparatus and the manufacturing method of the present invention, diaphragms with very uniform internal composition and diaphragms with intentionally varied internal composition in accordance with required sound characteristics can be mass-produced with good reproducibility.

Abstract: A molded body formed with pulp mold having projected lines corresponding to a slit-shaped vent package part, capable of being provided by paper-making/dewatering, using a paper making mold, a slurry having fibers dispersed in a liquid so as to obtain a three-dimensional fiber wetted laminated body, moving the laminated body to a dry mold having an inner surface with the slit-shaped vent package, and pressing and drying that laminated body.

Abstract: Disclosed is a method of producing a fiber-molded hollow article by using a papermaking mold (2) composed of splits (21, 22) which are joined to form a cavity (20) having two openings (20a, 20b) connecting with the outside and an expandable pressing member (3) adapted to be placed in the cavity (20). The method comprises the steps of immersing each of the splits (21, 22) before being joined in a fiber slurry to form a fiber preform (10a, 10b), joining the splits (21, 22) each having the fiber preform (10a, 10b) formed thereon while placing the pressing member (3) in the cavity (20), and molding and dewatering a molded article (1) in the papermaking mold (2).

Abstract: Apparatus for producing a molded pulp product from a fiber slurry comprising a dip tank containing a fiber slurry therein and having a liquid level. A platen is provided. A porous mold is carried by the platen. The platen and the mold carried thereby are lowered into the fiber slurry in a downward direction with the platen being disposed upwardly of the mold so that the mold is introduced through the liquid level into the fiber slurry. A vacuum is supplied to the platen and to the mold while the mold is disposed in the fiber slurry to cause fibers in the fiber slurry to collect onto the mold and form a wet molded pulp product. The platen and the mold with the wet molded product thereon are moved out of the fiber slurry through the liquid level to permit water to drain from the mold and the wet molded pulp product. The wet molded pulp product is then dried.

Abstract: A pulp molded article is produced by depositing pulp fiber on the outer surface of a papermaking core mold having a plurality of interconnecting paths connecting the outside and the inside to form a pulp deposited body, placing the pulp deposited body in a set of split molds, and then pressing the pulp deposited body for dehydration by a prescribed means.

Abstract: An improved pulp-forming mold-releasing machine having a turnaround table being reciprocatingly rotatable at a prearranged position within the machine body. A net mold (pulp-sucking mold) includes protruding forming members on the surface thereof while the turnaround table of the machine frame body can be fitted with a lower mold (male mold) having a heating pipe therein on the other surface thereof. A reciprocating slide frame is disposed on the top of the machine frame body and includes an upper mold driving device with an air-oil-pressure diversion cylinder adapted to drive the upper mold (female mold) with a heating pipe to lift. An elevating pulp material container is disposed under the net mold of the machine frame body. The forming members of the net mold turn over to an upward direction after sucking pulp fiber.

Abstract: A automatic pulp-forming mold-releasing machine comprising a lower mold disposed inside of a frame body, capable of reciprocatingly turning upside down and having protruding forming parts at top and bottom sides thereof which include air vents on the surface thereof capable of drawing and blowing air, and two synchronically reciprocatingly laterally shifting slide holders disposed at the top of the frame body and having upper mold lifting devices to drive the upper molds to move upwards and downwards, and air-drawing and air-blowing vent provided inside of the upper molds, and a liftable pulp container disposed under the lower mold of the frame body, characterized in that the pulp is absorbed to the forming parts at the bottom side of the lower mold; thereafter, it turns upside down to the top side, after dehydrated by the down-pressing of the upper mold, the formed pulp is absorbed upwards and lifted to be separate from the mold while the upper mold is laterally slid by the slide holder in position so that t

Abstract: The invention relates to a method and an arrangement for producing a flow of stock in a moulding tank (1). In this, stock is pumped into the moulding tank (1) at the bottom (1a) and allowed to flow up over the brim (1b) thereof. During its rise in the moulding tank (1), the flow of stock pumped in is distributed by at least one grating placed essentially horizontally and provided with flow openings. An arrangement for performing the said method comprises a line (2a, 2b), connected to the moulding tank (1) and a machine vat for ready prepared stock, for delivering fresh stock to the moulding tank (1) by means of a pump (5) connecting with the line (2a, 2b). The line (2b) opens out in an area close to the bottom (1a) of the moulding tank (1) in such a way that an upwardly directed flow of stock is obtained. The pump (5) is adapted to deliver excess stock so that excess stock is allowed to flow over the brim (1b) of the moulding tank (1).

Abstract: An apparatus and method for molding articles from a fibrous slurry. The apparatus comprises a forming die manufactured from a water insoluble, porous, relatively rigid and easily shaped material having molding surface shaped to the contour of the article to be molded, a vacuum vessel for receiving the forming die, and an opening through the vacuum vessel for communicating with a vacuum means for applying suction through the forming die to draw the slurry against the molding surfaces to form a fiber layer having the configuration of the article to be molded.

Abstract: In a filter manufacturing method, during a time period from the start of the suction of the slurry to a point in time when fibers in the slurry accumulate on the outer peripheral surface of the protector to a prescribed thickness, the protector and its leg portions are held spaced away from each other. The leg portions are moved toward the protector so that the leg portions are disposed at a position spaced by a uniform distance from the outer peripheral surface of the protector and the suction operation is continued. Thus, the slurry containing the fibers therein can be easily caused to flow deeply into recess portions of a fin-like portion with no fiber being caught between the protector and the leg portions, thus reducing non-walled portions.

Abstract: In a method of producing a wet frictional material according to the present invention, paper-making stock solution is circulated and stirred between a paper-making tank and a raw-material tank so that the concentration of the paper-making stock solution is kept constant. A paper-making jig and an up/down suction portion are connected to each other and elevated up and lowered down in the paper-making tank so that water is sucked from the stock solution by a suction apparatus in the period of elevating-up and lowering-down to perform paper-making. The paper-making jig and the up/down suction portion may be formed separately so as to be connected to each other. In this case, the method can cope with requirements of products of various sizes.

Abstract: A filter element for use in an oil filter is composed of main fibers of at least 5 .mu.m diameter and micro fibers of less than 5 .mu.m diameter. The micro fibers are filled in a density of 0.005 to 0.02 g/cm.sup.3. A slurry including the fibers is drawn into a suction unit through suction openings to form a molded body. The filter element is given a density gradient such that the micro fibers are denser in the inner periphery than in the outer periphery. Following the drawing step, the molded body together with the inner mold is removed for subsequent dehydration and heating. During those processes the inner mold is kept located within the molded body.

Abstract: A light-weight fiber brick is formed from a water-fiber suspension including ceramic fibers. A molding device is introduced into the suspension and has plurality walls including at least three walls each of which extends perpendicular to the other two of the three walls. Water is withdrawn simultaneously from the interior of the molding device through at least the three walls, thus causing the fibers of the suspension to tend to align longitudinally within the interior of the molding device in three spatial coordinate directions (X, Y, Z). Thereby there is formed a brick having fibers thereof aligned with longitudinal directions thereof having directional components in three spatial coordinate directions.