Boots – shoes – and leggings
Patent
1977-08-16
1979-01-02
Atkinson, Charles E.
Boots, shoes, and leggings
72138, 242 83, 364110, 364469, G06F 1546, B21C 4728
Patent
active
041330358
ABSTRACT:
Computerized coiling control in which both pouring reel location and reel speed wobble pattern are preselected, whereby a moving product, such as bar, rod or wire, is continuously poured into a reel to form the densest product coils under a variety of coiling situations. A coiler operator presets independently adjustable parameters including coil O.D. and I.D., reel speed wobble rate, and a reel speed wobble pattern selected from computer storage and having either a spiral, spiral with dwell, or triangular waveform. The computer is programmed to assimilate operator input data, and calculate reel motor speed reference and current reference signals for use by a reel motor controller which will form the densest coils having predetermined flat spirals stacked axially in alternate reverse-convolute layers. Reel speed is modified to compensate coiler operation for effects due to variations in bar grade, temperature and/or shape.
REFERENCES:
patent: 3337154 (1967-08-01), Smith, Jr. et al.
patent: 3663806 (1972-05-01), Drankhan et al.
patent: 3666196 (1972-05-01), Fullers et al.
patent: 3822045 (1974-07-01), Johnson
patent: 3873040 (1975-03-01), Sieurin et al.
patent: 4052599 (1977-10-01), Whiteley et al.
Galanis Tom L.
Grohowski Joseph A.
Atkinson Charles E.
Bethlehem Steel Corporation
Dower George G.
Iverson John I.
Krass Errol A.
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