Seal withdrawal and testing device
US5167141A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 4, 1991 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | Mar 4, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M3/2869
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for testing and withdrawing seals from manufacturing molds, which device consists of a pneumatic pickup member having a front impression connected to a pneumatic line in turn connected to a vacuum source, and defined by opposite edges designed to cooperate with respective peripheral sealing portions of each seal; the pneumatic line presenting a transducer for emitting a signal when the difference in the pressures detected on the line over a predetermined time interval exceeds a predetermined threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.