Apparatus for checking hollow glass containers

Details Apparatus for checking hollow glass containers Apparatus for checking hollow glass containers

1987-09-09

1989-01-17

Myracle, Jerry W.

Measuring and testing

Testing by impact or shock

Specimen impactor detail

209530, G01N 308

Patent

active

047980966

ABSTRACT:
The apparatus comprises a sensor element (22) which is fitted into a rod (24) which is movable backwards and forwards and by means of which it can be moved in the interior of a hollow glass container (14) to within the vicinity of the bottom. The sensor element is provided with a movably suspended plate (30) at the bottom. If the plate (30) comes into contact with an obstacle in the form of a glass filament (bird swing or spike) in the interior of the container, it is deflected and actuates a proximity switch which delivers a signal by means of which an ejection device is actuated. The apparatus serves, in particular, for the checking of wide-necked containers in which defects in the form of spikes are considerably more frequent than defects in the form of bird swings.

REFERENCES:
patent: 2352091 (1944-06-01), Fedorchak et al.
patent: 3355811 (1967-12-01), Tailleur
patent: 3955408 (1976-05-01), Northup
patent: 4593369 (1986-06-01), Thompson

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