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two-component mixing module

A concentrator and inlet technology, applied in mixers, transportation and packaging, dissolution, etc., can solve the problems of occupying the distribution system, non-reuse of solvents, waste, etc.

Inactive Publication Date: 2018-02-16
GRACO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rinsed mixture is generally discarded, creating waste, and the solvent is generally not reused, creating further waste
In addition, the flushing process takes time to complete, which will tie up the dispensing system and prevent the system from being productively used

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] figure 1 is a rear perspective view of the multi-component dispensing system 10 . In the illustrated embodiment, the dispenser system 10 includes a dispensing gun 12 , a mixing module 14 , a resin source 16 , a catalyst source 18 , and a solvent source 20 . Dispensing gun 12 is fluidly connected to mixing module 14 . The mixing module 14 is fluidly connected to a resin source 16, a catalyst source 18, and a solvent source 20 at a resin inlet 22, a catalyst inlet 24, and a solvent inlet 26, respectively. The mixing module 14 also includes a handle 28 that is movable between three positions, a mixing position, a full off position, and a flushing position.

[0016] Resin source 16 contains a pressurized fluid, such as polyurethane mixed with a stain. Catalyst source 18 contains a different pressurized fluid such as isocyanate, which fluid depends on the application such as 0.1 ∶ 1 to 50 ∶ Mix with resin in various ratios of 1. Solvent source 20 includes another press...

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PUM

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Abstract

A mixing module includes two inlets, a collector and a valve member. The collector has two lumens, each having a proximal end and a distal end, and the valve member is movable between two positions. When the valve is in one position, one of the inlets is connected to the proximal end of one of the lumens, and the other inlet is connected to the proximal end of the other lumen. When the valve is in the other position, one of the inlets is disconnected from the lumen, and the proximal end of the lumen is connected.

Description

technical field [0001] The present invention relates to a multi-component dispensing system, and more particularly, to a mixing module for a multi-component dispensing system. Background technique [0002] Typically, multi-component dispensing systems employ a resin component that is chemically inert in its own form and an isocyanate catalyst material that is also chemically inert in its own form. When the catalyst and resin are mixed, a chemical reaction begins immediately that leads to crosslinking, hardening and curing of the mixture. As the chemical reaction occurs, but before the chemical reaction substantially proceeds, the mixed material can be dispensed or sprayed into its desired form and / or location. Such multi-component dispensing systems can be used to spray paint onto items. [0003] Due to the chemical reaction between the resin and the catalyst, the two components are stored separately and mixed in specific ratios immediately before use. Mixing has traditio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B7/04
CPCB05B1/3013B05B1/3026B05B7/32B29B7/7447B29B7/7615B29B7/7642B29B7/7647B29B7/7657B29B7/801B29B7/805B05B15/55B05B7/0408B29B7/7438B29B7/761B01F35/71805B01F2101/30
Inventor 约翰·R·英格布兰德斯坦利·G·卡沃斯基
Owner GRACO INC