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The desire to re-slit wide magnetic tape into 1/2-inch or 1/4-inch widths is frequently expressed. Usually the quantities involved are insufficient to warrant an elaborate device and simple devices fail to produce satisfactory results; however a large supply of 3/4-inch instrumentation tape supplied the author with an incentive for a serious effort to design a re-slitter to convert this into 1/2-inch wide tape. This paper describes the design and operation of the re-slitter. Width variations were held to ±0005 inch, well within instrumentation tolerances. A drop-out check showed the tape to be satisfactory for re-use as instrumentation tape.

Author: Prout, James H.
Affiliation: Ordnance Research Laboratory, Pennsylvania State University, State College, PA
JAES Volume 12 Issue 3 pp. 258,260; July 1964
Publication Date: July 1, 1964

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Scott Dorsey

Comment posted March 29, 2019 @ 15:53:16 UTC (Comment permalink) This is just such an amazing idea.  Those of us who remember aftermarket tapes of the 1970s that had been slit down from instrumentation and video tapes might dismiss the whole idea of re-slitting out of hand.   Today we would consider 8 mils tolerance to be extremely wide.  But it is fascinating to see the lengths to which people will go when proper materials become unavailable. (Respond to this comment)

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