Applicator gun for applying surface coatings
US5190217A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1991 |
| Grant date | Mar 2, 1993 |
| Priority date | — |
| Expiry date | Aug 26, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S239/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hand-held spray gun for directing a mixture of viscous liquid, such as asphalt, and glass particles onto a substrate surface as an integrated coating. The gun includes an elongated barrel, a spray nozzle at a discharge end of the barrel for creating a discharging spray pattern of liquid particles from a pressurized liquid source, a cutter assembly mounted on the barrel intermediate its ends for receiving a continuous glass roving and cutting such roving into particles for direction into the barrel, a fan mounted adjacent an upstream end of the barrel for directing an air flow through the barrel, and a gasoline-powered engine mounted adjacent the fan for simultaneously driving the fan and cutter assembly. A venturi is disposed within the barrel through which the fan-generated air flow is directed and which includes a lateral passageway communicating with the cutter assembly whereby the cut glass particles are drawn into the air flow and forcefully directed through the barrel into intermixing relation with the liquid particles discharging from the spray nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.