Can end tab sensing apparatus

Details Can end tab sensing apparatus Can end tab sensing apparatus

1988-07-14

1990-06-12

Schmidt, Frederick R.

Sheet metal container making

Apparatus to form container closure

Having means uniting pull tab to closure

413 12, 413 14, 413 16, 413 56, 72 4, 72404, 356375, 350 9629, 738658, B21J 100, B21D 3903

Patent

active

049328239

ABSTRACT:
A press regulating device for detecting can end tab related defects including a plunger assembly for engaging a can end to be tested; a plunger deflection monitoring device; and a data processing device which receives a signal from the plunger deflection monitoring device and a press timing device and which processes these signals to determine whether or not the tested can end is defective and which sends a control signal to the press to terminate press operation upon detection of a defective can end.

REFERENCES:
patent: 4446710 (1984-05-01), Sallnert et al.
patent: 4608843 (1986-09-01), Grims
Variations of the Stamping Process--paper presented by Klaus W. Blumel, Gerd Hartmann and Peter Lubeck at the 15th Biennial Congress International Deep Drawing Research Group--published May 18, 1988--pp. 9-14.

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