Method and apparatus for the stress testing of glass containers

Details Method and apparatus for the stress testing of glass containers Method and apparatus for the stress testing of glass containers

1987-06-03

1988-08-02

Myracle, Jerry W.

Measuring and testing

Testing by impact or shock

Specimen impactor detail

73809, G01N 334

Patent

active

047607319

ABSTRACT:
A method and an apparatus are described for the stress testing of glass containers (10) which are arranged hanging, by impulse action on the bottom (14) of the container through the adjustable action of force on an impacting rod (12) resting on the bottom (14) of the container. For the action of the force, an adjustable source of energy (26) is used which may comprise an eccentric, an ultrasonic transmitter (26b), a magnetic actuating drive or the like, which acts on the end (18) of the rod (12), resting on the bottom of the container, remote from the bottom (14) of the container. The shaking exerted on the glass container during subsequent filling can be simulated by the action of the force which is adjustable in duration and/or amplitude, so that glass containers suspected of breakage can be eliminated by the stress test before being filled. The action of force can be proportioned in a simple manner so that optimum test vibration values can easily be adjusted.

REFERENCES:
patent: 3896657 (1975-07-01), Brandt et al.
patent: 3955408 (1976-05-01), Northup

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