Patent classifications
B28B7/40
Device for producing a multicomponent mixture
A device for producing a multicomponent mixture having a mixing chamber which is surrounded by a chamber wall, the device further includes an outlet for a multicomponent mixture and into which at least two component valves and at least one flushing valve open, the flushing valve being in connection on the inlet side with a temperature control channel system which is associated with the chamber wall and through which water can flow.
TOOL AND METHOD FOR MANUFACTURING A COMPOSITE-MATERIAL PART BY MEANS OF A LIQUID PROCESS
A tool for manufacturing a ceramic matrix composite part by injecting a slurry, the tool includes an injection chamber intended to receive at least one fibrous preform to be densified, wherein the injection chamber includes first injection ports which are formed in a first side of the injection chamber for injecting the slurry into the injection chamber, the first injection ports being distributed along the first side of the injection chamber; the injection chamber includes first drainage ports which are formed on the first side of the injection chamber for draining a liquid phase of the slurry from the injection chamber, the first drainage ports being distributed along the first side of the injection chamber; and the tool includes a first filtration element which is located on the first side of the injection chamber and which is located opposite the first drainage ports.
TOOL AND METHOD FOR MANUFACTURING A COMPOSITE-MATERIAL PART BY MEANS OF A LIQUID PROCESS
A tool for manufacturing a ceramic matrix composite part by injecting a slurry, the tool includes an injection chamber intended to receive at least one fibrous preform to be densified, wherein the injection chamber includes first injection ports which are formed in a first side of the injection chamber for injecting the slurry into the injection chamber, the first injection ports being distributed along the first side of the injection chamber; the injection chamber includes first drainage ports which are formed on the first side of the injection chamber for draining a liquid phase of the slurry from the injection chamber, the first drainage ports being distributed along the first side of the injection chamber; and the tool includes a first filtration element which is located on the first side of the injection chamber and which is located opposite the first drainage ports.
METHOD AND APPARATUS FOR FORMING VARIABLE DENSITY SINTERED CERAMIC USING APPLICATION OF ALTERNATING VOLTAGE TO AQUEOUS CERAMIC SUSPENSION WITH ICE-TEMPLATING
A method and apparatus for forming variable density ceramic structures, where the method includes: obtaining a ceramic powder having an ultrafine particle size; mixing the ceramic powder into a suspension fluid thus forming a ceramic suspension; providing a mold configured to retain the ceramic suspension; providing a plurality of electrodes about the mold; applying an alternating voltage to the electrodes thus forming alternating electric currents through the suspension thus causing accumulation of ceramic particles on at least one of the electrodes; reducing the temperature of the suspension thus inducing the formation of ice crystals therein necessary for ice-templating; freeze drying the frozen suspension into a porous state; and sintering the ceramic particles into a solid architecture retaining a common final structure with the ceramic particles in the porous state.
METHOD AND APPARATUS FOR FORMING VARIABLE DENSITY SINTERED CERAMIC USING APPLICATION OF ALTERNATING VOLTAGE TO AQUEOUS CERAMIC SUSPENSION WITH ICE-TEMPLATING
A method and apparatus for forming variable density ceramic structures, where the method includes: obtaining a ceramic powder having an ultrafine particle size; mixing the ceramic powder into a suspension fluid thus forming a ceramic suspension; providing a mold configured to retain the ceramic suspension; providing a plurality of electrodes about the mold; applying an alternating voltage to the electrodes thus forming alternating electric currents through the suspension thus causing accumulation of ceramic particles on at least one of the electrodes; reducing the temperature of the suspension thus inducing the formation of ice crystals therein necessary for ice-templating; freeze drying the frozen suspension into a porous state; and sintering the ceramic particles into a solid architecture retaining a common final structure with the ceramic particles in the porous state.
METHODS AND APPARATUSES FOR CURING CONCRETE
An apparatus for curing concrete includes a multiple layer polyolefin film and an absorbent layer. The polyolefin film layer can include pH modifying components and antiskid components. The absorbent layer can also include pH modifying components. The absorbent layer can include nonwoven fabric. The apparatus can be applied to curing concrete after hydration water is applied to the curing concrete. The apparatus can also be used to enclose poured concrete members during transport of the members so as to continue the curing process during transport. The film can also be used as a barrier layer between the ground and poured concrete.
METHODS AND APPARATUSES FOR CURING CONCRETE
An apparatus for curing concrete includes a multiple layer polyolefin film and an absorbent layer. The polyolefin film layer can include pH modifying components and antiskid components. The absorbent layer can also include pH modifying components. The absorbent layer can include nonwoven fabric. The apparatus can be applied to curing concrete after hydration water is applied to the curing concrete. The apparatus can also be used to enclose poured concrete members during transport of the members so as to continue the curing process during transport. The film can also be used as a barrier layer between the ground and poured concrete.
Methods and apparatuses for curing concrete
An apparatus for curing concrete includes a multiple layer polyolefin film and an absorbent layer. The polyolefin film layer can include pH modifying components and antiskid components. The absorbent layer can also include pH modifying components. The absorbent layer can include nonwoven fabric. The apparatus can be applied to curing concrete after hydration water is applied to the curing concrete. The apparatus can also be used to enclose poured concrete members during transport of the members so as to continue the curing process during transport. The film can also be used as a barrier layer between the ground and poured concrete.
Methods and apparatuses for curing concrete
An apparatus for curing concrete includes a multiple layer polyolefin film and an absorbent layer. The polyolefin film layer can include pH modifying components and antiskid components. The absorbent layer can also include pH modifying components. The absorbent layer can include nonwoven fabric. The apparatus can be applied to curing concrete after hydration water is applied to the curing concrete. The apparatus can also be used to enclose poured concrete members during transport of the members so as to continue the curing process during transport. The film can also be used as a barrier layer between the ground and poured concrete.
Methods and apparatuses for curing concrete
An apparatus for curing concrete includes a multiple layer film and an absorbent layer. The film can include pH modifying components and antiskid components. The absorbent layer can include pH modifying components. The apparatus can be applied to concrete after hydration water is applied. The apparatus can enclose concrete members during transport so as to continue the curing process during transport. The film can be used as a barrier layer between the ground and poured concrete. The apparatus can be manufactured by heating a film to its crystalline softening point, applying adhesive material to an absorbent material, and adhering the film to the absorbent material. A method of curing concrete includes pouring concrete, waiting for the concrete to reach the bleed stage, providing hydration water, adding a pH modifying component to the hydration water, and applying the hydration water with the pH modifying component to the poured concrete.