DISPENSER AND NOZZLE FOR DISCHARGING MIXTURE OF GAS AND PASTE MATERIAL, AND MECHANICAL FOAMING DEVICE

• Main Authors: YAMASHITA, Kiichi, TAKADA, Masaharu
• Format: Patent
• Language: English; French; German
• Published: 25.08.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; MAKING GRANULES OR PREFORMS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SPRAYING OR ATOMISING IN GENERAL; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

To form a foamed body in which bubbles are appropriately dispersed in a paste material, without clogging a nozzle.A dispenser 1 used for discharging a mixture of gas and a paste material includes: a nozzle part 2 provided in a tip end part of a body 11 and having a tip end opening 22 through which the mixture is discharged; a flow path 4 for the mixture extending from an introduction part 5 for the mixture to the tip end opening 22 through a hollow space 20 of the nozzle part 2; a needle part 3 movable in the flow path 4 of the nozzle part 2 to open and close the flow path 4; a driving part (7, 8, and 9) that drives the needle part 3; and a stopper part (10, 14, and 16) that limits an operation range of the needle part 3. The nozzle part 2 has a tapered section 23 in which an inside diameter of the flow path 4 of the nozzle part 2 decreases toward the tip end opening 22, the inside diameter being relative to an operation range of a tip end of the needle part 3. In addition, a stopper position adjusting part (10a, 16a, 13, 12, and 18) that adjusts a stop position defined by the stopper part is also provided.