Patent · US Expired

Seal withdrawal and testing device

US5167141A · kind A · utility

0Cited by
5References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 4, 1991
Grant dateDec 1, 1992
Priority date
Expiry dateMar 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.