Patent classifications
B29C51/46
MOLDING METHOD AND MOLDING APPARATUS FOR RESIN MOLDED ARTICLE
A molding method for a resin molded article includes: a step of sandwiching a sheet-shaped resin in a molten state extruded downward by a pair of rollers, and sending out downward the sheet-shaped resin in the molten state by a rotational driving of the rollers so as to allow a first stretching; a step of drawing downward the sheet-shaped resin in the molten state sent out downward so as to allow a second stretching; a step of disposing the sheet-shaped resin in the molten state that is drawn in a side portion of a mold disposed below the pair of rollers; and a step of molding the sheet-shaped resin into a shape conforming to a mold shape by depressurizing a sealed space formed between the sheet-shaped resin in the molten state and the mold and/or pressurizing the sheet-shaped resin toward the mold.
PROCESS OF FORMING POLYMERIC MATERIAL
A method for forming an article includes providing a sheet of material, optionally conditioning the sheet with a surface of a roller, forming the sheet to provide a web, and separating an article from the web to provide the article. An apparatus adapted to form the article from a sheet is provided.
Production method for a dental aid made of a thermoplastic film or plate
The invention relates to a method for producing a dental aid from a thermoplastic film or plate, wherein a digital three-dimensional working model is created in a computer-aided manner using a three-dimensional data set of at least one part of an upper jaw and/or lower jaw.
Production method for a dental aid made of a thermoplastic film or plate
The invention relates to a method for producing a dental aid from a thermoplastic film or plate, wherein a digital three-dimensional working model is created in a computer-aided manner using a three-dimensional data set of at least one part of an upper jaw and/or lower jaw.
Thermoforming packaging machine and method for controlling a film punch
A thermoforming packaging machine includes a forming station for thermoforming troughs in a film web, a filling path for filling products into the troughs, a sealing station for sealing the troughs, a chain guide for guiding a transport chain for the film web, a transverse cutting device for cutting the film web in a direction transverse to the transport direction, a longitudinal cutting device for cutting the film web in the transport direction, and a control device for controlling processes running on the thermoforming packaging machine. The transverse cutting device comprises a film punch, an adjustment drive which can be controlled by the control device for closing and opening the film punch, and a detection unit which is connected to the control device and which has at least one sensor which is configured to detect, per processing cycle, a force progression occurring at the film punch during opening and closing.
Thermoforming packaging machine and method for controlling a film punch
A thermoforming packaging machine includes a forming station for thermoforming troughs in a film web, a filling path for filling products into the troughs, a sealing station for sealing the troughs, a chain guide for guiding a transport chain for the film web, a transverse cutting device for cutting the film web in a direction transverse to the transport direction, a longitudinal cutting device for cutting the film web in the transport direction, and a control device for controlling processes running on the thermoforming packaging machine. The transverse cutting device comprises a film punch, an adjustment drive which can be controlled by the control device for closing and opening the film punch, and a detection unit which is connected to the control device and which has at least one sensor which is configured to detect, per processing cycle, a force progression occurring at the film punch during opening and closing.
A TOOL FOR USE IN A THERMOFORMING PROCESS
A tool for a thermoforming process to form a moulded product from wet pulp fibre material includes two or more moulds each having a moulding surface, an actuator assembly, and a fluid extraction system. At least one of the moulds is displaceable by the actuator assembly between first and second positions and has fluid extraction paths extending through the mould to transport fluid away from the moulding surface. One of the moulds has a first layer that is substantially rigid to form a support member and is in communication with a heating subsystem of the fluid extraction system, and a second layer that is, in use of the tool, between the first layer and the wet pulp fibre material. The second layer is formed of a material that has interconnected internal voids forming part of the fluid extraction paths and has a lower heat transfer coefficient than the first layer.
A TOOL FOR USE IN A THERMOFORMING PROCESS
A tool for a thermoforming process to form a moulded product from wet pulp fibre material includes two or more moulds each having a moulding surface, an actuator assembly, and a fluid extraction system. At least one of the moulds is displaceable by the actuator assembly between first and second positions and has fluid extraction paths extending through the mould to transport fluid away from the moulding surface. One of the moulds has a first layer that is substantially rigid to form a support member and is in communication with a heating subsystem of the fluid extraction system, and a second layer that is, in use of the tool, between the first layer and the wet pulp fibre material. The second layer is formed of a material that has interconnected internal voids forming part of the fluid extraction paths and has a lower heat transfer coefficient than the first layer.
DYNAMIC THERMOFORMING OF DENTAL APPLIANCES
A method includes identifying first geometry of a first mold associated with a first dental arch and a second geometry of a second mold associated with a second dental arch. The method further includes determining, based on the first geometry and the second geometry that the first mold and the second mold are to be used for simultaneous forming of a first dental appliance and a second dental appliance on a plate in a dental appliance manufacturing system. The method further includes causing, based on the first geometry and the second geometry, one or more portions of the dental appliance manufacturing system to be configured to form the first dental appliance and the second dental appliance.
DYNAMIC THERMOFORMING OF DENTAL APPLIANCES
A method includes identifying first geometry of a first mold associated with a first dental arch and a second geometry of a second mold associated with a second dental arch. The method further includes determining, based on the first geometry and the second geometry that the first mold and the second mold are to be used for simultaneous forming of a first dental appliance and a second dental appliance on a plate in a dental appliance manufacturing system. The method further includes causing, based on the first geometry and the second geometry, one or more portions of the dental appliance manufacturing system to be configured to form the first dental appliance and the second dental appliance.