Severing by tearing or breaking – Methods
Patent
1983-11-21
1985-09-10
Yost, Frank T.
Severing by tearing or breaking
Methods
225 93, B26F 300
Patent
active
045401098
ABSTRACT:
A process for severing a polymeric tube sheet to expose bores of the hollow fibers embedded in the tube sheet wherein the tube sheet is provided with a circumferential stress raiser and compressive forces are applied to the tube sheet to fracture off a portion of the tube sheet at the stress raiser to expose the bores of the hollow fibers embedded therein.
REFERENCES:
patent: 3475229 (1969-10-01), Green et al.
patent: 3503288 (1970-03-01), Swartling
patent: 3615047 (1971-10-01), Feldman et al.
patent: 3656671 (1972-04-01), Bratek
patent: 4183283 (1980-01-01), Danos et al.
patent: 4271740 (1983-06-01), Yamazaki et al.
patent: 4369605 (1983-01-01), Opersteny et al.
Broad, Jr. R. L.
Monsanto Company
Yost Frank T.
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