Dental impression material kneading device

• Main Author: KAMOHARA HIROSHI
• Format: Patent
• Language: English
• Published: 03.06.2008
• Subjects: APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; CONTROLLING; DENTISTRY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PHYSICS; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; REGULATING; SPRAYING OR ATOMISING IN GENERAL; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES; TRANSPORTING

To provide a dental impression material kneading device for discharging each paste of a dental impression material comprising two kinds of pastes having different fluidities at the time of feed start with a mixing ratio selected and set among two or more gradual mixing ratios, and mixing and kneading each paste in a mixer body, the device comprises a prescribed rate feed pump 4 for feeding one paste at a fixed flow rate, a set rate feed pump 5 for feeding another paste at a flow rate more than that of the prescribed rate feed pump 4, and a control means 8 for rotatively driving a rotational axis for engaging a stirring rod 2 a when receiving a signal from a starting switch 8 a, collating starting times of both pumps 4 and 5 corresponding to mixing ratio selected and set by a mixing ratio selection switch 6 corresponding to two or more gradual mixing ratios memorized in the starting time memory means 7, starting the both pump 4 and 5, and feeding the paste at the flow rate corresponding to the selected and set mixing ratio by the set rate feed pump 5.