Method and detector for detecting surface roughness or defects o

Details Method and detector for detecting surface roughness or defects o Method and detector for detecting surface roughness or defects o

1993-07-02

1994-11-15

Coles, Sr., Edward L.

Communications: electrical

Condition responsive indicating system

Specific condition

340673, 139353, 28185, 28187, 66161, 250561, G08B 2100

Patent

active

053652223

ABSTRACT:
A method and detector are provided for accurately and continuously detecting surface roughness or oversize defects on coated wire or cable, such as magnet wire. This is achieved by passing the wire or cable through a die having an opening which is larger than the cross-section of the wire or cable by the size of the surface roughness or defect to be detected. This die is pulled on the wire or cable when engaged by the oversize defect to a spot or position where a sensor is provided to sense the presence of the die and thus of the defect and then produce a suitable alarm.

REFERENCES:
patent: 3827296 (1974-08-01), Hidaka
patent: 3995417 (1976-12-01), Lumpert et al.
patent: 4133207 (1979-01-01), Weidmann et al.
patent: 4797662 (1989-01-01), Graham et al.
patent: 5105855 (1992-04-01), Stacher
patent: 5206709 (1993-04-01), Schewe et al.

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