Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Patent
1995-06-20
1998-05-12
Westin, Edward P.
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
25055929, 25055935, 348 95, 36447434, G01N 2186, G01C 308, H04N 718
Patent
active
057510113
ABSTRACT:
A system for accurately determining the relative location of countersinks formed in a predetermined pattern in a spinnerette blank, accurately positioning a punching tool, in turn, over each countersink and, in turn, punching accurately positioned holes in the spinnerette blank.
REFERENCES:
patent: 4485453 (1984-11-01), Taylor
patent: 4743771 (1988-05-01), Sacks et al.
patent: 4847687 (1989-07-01), McDonnell et al.
patent: 4920273 (1990-04-01), Sacks et al.
Jessee Ernest Edward
McLaughlin Michael Ray
Patel Vijay Somabhai
Pinto Timothy Martin
Savage Leland Manfred
Eastman Chemical Company
Lee John R.
Martin Charles R.
Westin Edward P.
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