System and process for spraying air-dryable liquid materials
US5669557A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1994 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Dec 14, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S239/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A system for spraying air-dryable liquid materials such as adhesives and paints and a method of using the system is disclosed. The system includes a hot air gun connected to both a source of hot pressurized air and a source of flowable liquid material. The gun includes a body having a handle assembly and a spraying assembly. The handle assembly includes a depressible trigger and first knob for adjusting the amount of liquid material in the spray and a second knob for adjusting the pattern of the spray. The spraying assembly includes a spray nozzle and control valves operably connected with the trigger for controlling the flow of pressurized hot air and liquid material. The spraying assembly also includes an air routing insert for routing air currents to the nozzle and a liquid material tube for routing liquid material to the nozzle. An air diverter assembly is also included for diverting an amount of heated air out of the front of the gun to aid in the drying of sprayed material. The liquid material is atomized upon leaving the nozzle when combined with the hot pressurized air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.