Electric heating – Metal heating – By arc
Patent
1990-06-20
1991-09-17
Albritton, C. L.
Electric heating
Metal heating
By arc
174112, 21912169, B23K 2600
Patent
active
050497219
ABSTRACT:
A laser marking apparatus provides markings of enhanced readability in an outer jacket of repetitively spaced sections along the length of a moving cable which is delivered from a supply source. The cable is advanced under tension and is wound onto a take-up spool. The outer jacket is of a specified color and has an outer surface. The laser marking apparatus includes a first guide roller, a laser marker, an applicator, a coarse brush roller with a first driving mechanism, a fine brush roller with a second driving mechanism and a second guide roller. The first and second guide rollers are disposed adjacent to the supply source before the laser marker and before the take-up spool after the fine brush roller, respectively, in order to guide the cable along a path of travel so that the outer jacket passes adjacent to the laser marker. The laser marker inscribes in the outer jacket markings opening to the outer surface thereof. The applicator applies a wax, the color of which is different from and contrasts with the specified color of the outer jacket, on the outer surface of the outer jacket and in the markings. Afterwards the coarse brush roller removes most of the wax which is on the outer surface of the outer jacket leaving the wax which is in the markings and the fine brush roller removes the remainder of the wax which is on the outer surface of the outer jacket and polishes the outer surface.
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Andrews Jack E.
Horne Randy C.
Parnas Stanley J.
Rey Celestino
Sutter, Jr. Leroy V.
Albritton C. L.
American Telephone and Telegraph Company
Directed Energy, Inc.
Johansen W. Edward
Somers Edward W.
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