Expanding foam presence sensor and related methods
US10946563B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2017 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Oct 26, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/223
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Various embodiments are directed to sensor apparatuses configured to detect the presence of foam forming composition in various regions within a foam dispensing apparatus. In various embodiments, the foam dispensing apparatus comprises a dispensing nozzle positioned between at least two container-forming layers and configured to dispense foam forming composition into a container interior formed by the container-forming layers. The sensing apparatus may be positioned external to the container interior, on an opposite side of a container-forming layer relative to the nozzle, and the sensing apparatus may be configured to detect whether foam forming composition is present within a field of view of the sensing apparatus, which encompasses a portion of the container interior. The sensing apparatus may comprise a contactless temperature sensor configured to detect the presence of foam forming composition based on the detected temperature of a surface within the field of view of the sensor apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.