Class 162/221 - Treatment subsequent to removal from forming mold

Subclass of Class 162 - Paper making and fiber liberation
Definition: Processes including a treatment of a pulp molded article
No. of patents: 26
Last issue date: 11/20/2007

Number	Title	Issue Date
7297232	Production method and device for fiber molding A method for producing a fiber molded article comprising the step of transferring a fiber molded article 10 formed in a papermaking mold 2 composed of splits 20 and 20′ to a split 30′ of a drying mold 3, in which the pap...	11/20/2007
7297235	Method and apparatus for making molded filter elements 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 ...	11/20/2007
7252742	Method for producing flanged molding A method of producing a lipped molded article comprising the steps of forming a molded article having an opening portion by papermaking and outwardly curling the peripheral wall portion which constitutes the opening portion to make a lip. The method is characterized...	08/07/2007
7163334	Method and apparatus for mixing fibers A method of mixing including providing a slurry (26, 126) having a first fiber (14, 114) into a container (20, 120), introducing an agitation fluid (31, 138) into the slurry to cause a mixing motion (38, 138) within the slurry, and...	01/16/2007
7077933	Pulp molded body A pulp molded article (1) of the present invention comprises a neck portion (2) and a thread (5) provided on the outer surface of the neck portion (2), and has an overrun torque of 1 N·m or higher between the neck portion and a threaded ...	07/18/2006
6918997	Method of producing pulp moldings A method of producing a pulp molded article comprising the steps of assembling splits (10, 11) each having a suction passageway and a papermaking screen (5) into a papermaking mold (1), filling the cavity of the papermaking mold (1) with ...	07/19/2005
6899793	Method of manufacturing pulp mold formed body A method of producing a pulp molded article. The method feeds a pulp slurry to a cavity of a papermaking mold having a prescribed cavity shape to form a pulp preform including a main part having an opening and a separable part having a flange and connected to an edg...	05/31/2005
6899794	Speaker device, and method and device for producing the same A liquefied paper material is used as raw materials. A paper frame member 1 supporting a vibrating plate is paper-skimmed and formed. On paper-skimming and forming, a central hole for use in voice coils, air-release hole 1a releasing air pressur...	05/31/2005
6830658	Method for producing pulp molded article A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4), the set of splits (3 and 4) being assembled to...	12/14/2004
6547931	Method of manufacturing pulp mold formed product A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4), the set of splits (3 and 4) being assembled together to form the cavity (1) with a p...	04/15/2003
6521087	Method for forming a diaper A binder is applied to particles which are then combined with fibers to bind the particles to the fibers. The particles have functional sites for forming a hydrogen bond or a coordinate covalent bond. The fibers have hydrogen bonding functional sites. The...	02/18/2003
6451235	Forming a three dimensional fiber truss from a fiber slurry A method is disclosed for forming from a fiber slurry a three-dimensional fiber truss. The forming method involves compressing a fiber slurry or a fiber pulp between a pair of rigid foraminous dies to rapidly drive out most of the carrier fluid. The fiber...	09/17/2002
6425979	Method for making superabsorbent containing diapers A binder is applied to particles which are then combined with fibers to bind the particles to the fibers. The particles have functional sites for forming a hydrogen bond or a coordinate covalent bond. The fibers have hydrogen bonding functional sites. The...	07/30/2002
6371241	Speaker device A speaker frame is constructed from dried paper pulp. Features in the speaker frame such as holes or slits are formed by carbonizing corresponding sections in the dried paper pulp and applying shear processing to remove the carbonized material. A carboniz...	04/16/2002
5286326	Method for binding fibers in a fiber reinforced preform using an electromagnetic field to melt binding fibers A method and apparatus for binding the fibers of a fiber reinforced plastic preform. A fiber reinforced plastic preform is created in a preselected geometry from a mixture of reinforcing fibers and binding fibers, the binding fibers being responsive to a ...	02/15/1994
4941948	Wood powder-molded products using wood pulp as the binding agent Economical manufacturing of wood powder-molded products becomes possible with the introduction of wood pulp as the binding agent to be used in combination with water. The molded products feature not only high moisture absorbing capability and a unique nat...	07/17/1990
4929308	Papermaking process and composition for the production of tridimensional products containing thermoplastics resin and reinforcing fibers The process for producing a tridimensional piece from an aqueous suspension containing at least a thermoplastic resin and reinforcing fibers, comprises the following steps: (a) the elements of the suspension are wet-molded into a preform in a mold, said p...	05/29/1990
4418101	Method of making thermoplastic hardboard from acetylated mat A wet-felted mat of wood fibers is acetylated by coating the mat with a quantity of acetic anhydride ranging from 5 to 70% by volume of the mat and heating the mat at a temperature of from 150° to 300° F. while confining substantially all of the acetic ...	11/29/1983
4388378	Thermoplastic hardboard from acetylated mat A wet-felted mat of wood fibers is acetylated by coating the mat with a quantity of acetic anhydride ranging from 5 to 70% by volume of the mat and heating the mat at a temperature of from 150° to 300° F. while confining substantially all of the acetic ...	06/14/1983
4308094	Diaphragm for speaker and method of producing same A diaphragm for a speaker obtained by forming a diaphragm base by screen processing a mixture of carbon fiber, pulp and polyvinyl alcohol fiber as a binder in a manner similar to that employed for making paper, depositing a thermosetting resin on the diap...	12/29/1981
4303472	Filter elements for gas or liquid and methods of making such filters Tubular filter elements are formed by first feeding a slurry into a tubular moulding space between a vertical core and a cylindrical fine mesh screen. Air pressure is applied to the slurry so that the liquid drains through the screen and through a screen ...	12/01/1981
4227965	Production of hardboard A process for improving the strengths and resistance to water absorption of wood fiber hardboard, along with a lessening in the number of conventional steps, is disclosed. Hardboad is thereby produced by a process wherein drying oil is added to the wood c...	10/14/1980
4132590	Method of producing inorganic boards A method of producing an inorganic substance board, wherein after preparation, such as by use of paper making process, the board is hardened in an autoclave with saturated steam at a high temperature, high pressure and for a suitable length of time, and a...	01/02/1979
4116761	Porous element and the preparation thereof A porous tubular element of uniform density and porosity is formed by uniformly depositing binder and crushable fibers selected from the group consisting essentially of polycrystalline, alumina, zirconia, aluminum silicate and potassium polytitanate fiber...	09/26/1978
4078965	Composite coalescing filter tube and method of manufacture thereof The specification discloses a novel composite coalescing filter tube and the method of making the same. In contrast to previous coalescing filters, which had layers of filter material sandwiched between relatively rigid support members, the present invent...	03/14/1978
3968004	Process for making a shaped fibrous article by a vacuum forming process and the shaped fibrous article made thereby A dilute slurry that includes mineral wool fibers, a clay binder, other binders and a flocculent is introduced into a forming tank at several elevations and with sufficient velocity to circulate toroidally therein. A mandrel having the desired configurati...	07/06/1976

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Class 162/221 - Treatment subsequent to removal from forming mold