Fluid through needle for applying multiple component material
US9675983B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2014 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Mar 6, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B7/2497
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Embodiments of a spray gun incorporating a needle for applying multiple component materials are provided. In accordance with certain embodiments, the spray gun includes a fluid delivery tip assembly comprising an inner passage, a hollow needle disposed within the inner passage of the fluid delivery tip assembly, wherein the hollow needle comprises at least two indentions along an outer circumferential surface of the hollow needle near an end of the hollow needle, a first passage configured to deliver a first spray fluid to a fluid tip exit of the fluid delivery tip assembly, wherein the first passage is defined by a volume between the fluid delivery tip assembly and the hollow needle, and a second passage through the hollow needle, wherein the second passage is configured to deliver a second spray fluid to the fluid tip exit of the fluid delivery tip assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.