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1. WO2020107318 - PLURAL MATERIAL DISPENSING SYSTEM

Publication Number WO/2020/107318
Publication Date 04.06.2020
International Application No. PCT/CN2018/118162
International Filing Date 29.11.2018
IPC
B01F 5/06 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
5Flow mixers; Mixers for falling materials, e.g. solid particles
06Mixers in which the components are pressed together through slits, orifices, or screens
CPC
B01F 5/06
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
5Flow mixers
06Mixers in which the components are pressed together through slits, orifices, or screens; ; Static mixers; Mixers of the fractal type
B05C 1/00
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
CAPPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
1Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
Applicants
  • GRACO MINNESOTA INC. [US]/[US]
  • CHEN, Guang [CN]/[CN] (MN)
Inventors
  • CHEN, Guang
  • XIAO, Qiang
Agents
  • CHINA SCIENCE PATENT AND TRADEMARK AGENT LTD.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PLURAL MATERIAL DISPENSING SYSTEM
(FR) SYSTÈME DE DISTRIBUTION DE MATÉRIAUX MULTIPLES
Abstract
(EN)
A plural material dispensing system (10) includes a pump (38) having a cylinder (52) mounted between a first bracket (32) and a second bracket (34), a piston (54) disposed within the cylinder (52), and a pump rod (48) extending from the piston (54) and out of the first bracket (32). Material is provided to the cylinder (52) through a flow path extending through the pump rod (48). The piston (54) drives material downstream out of the cylinder (52), and the interface between the piston (54) and the inner surface of the cylinder (52) provides a dynamic seal during pumping. The flow of material into and out of the pump (38) is controlled by actively-controlled inlet and outlet valves.
(FR)
Un système de distribution de matériaux multiples (10) comprend une pompe (38) ayant un cylindre (52) monté entre un premier support (32) et un second support (34), un piston (54) disposé à l'intérieur du cylindre (52), et une tige de pompe (48) s'étendant à partir du piston (54) et hors du premier support (32). Un matériau est fourni au cylindre (52) par l'intermédiaire d'un chemin d'écoulement s'étendant à travers la tige de pompe (48). Le piston (54) entraîne le matériau en aval du cylindre (52), et l'interface entre le piston (54) et la surface interne du cylindre (52) fournit un joint dynamique pendant le pompage. L'écoulement de matière à l'intérieur et à l'extérieur de la pompe (38) est commandé par des vannes d'entrée et de sortie commandées activement.
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