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    HOT ROLLING STRIP
    21.
    发明专利
    HOT ROLLING STRIP 未知

    公开(公告)号：ZA817315B

    公开(公告)日：1982-09-29

    申请号：ZA817315

    申请日：1981-10-22

    Applicant: TIPPINS MACH

    Inventor： TIPPINS GEORGE WILLIAM

    IPC: B21B1/26 ,  B21B1/34 ,  B21B

    Abstract: The hot rolling of metal slabs to strip thickness and in coils having a specific weight on the order of 500 pounds per inch of width and greater comprises passing a heated metal slab through a roughing mill to form a transfer bar. The transfer bar is immediately passed between work rolls of a reversing finishing mill stand where it is coiled in a furnace downstream of the reversing finishing mill stand. Thereafter, the workpiece is passed back through the reversing finishing mill stand and coiled in a furnace on the upstream side thereof. The workpiece is again passed through the reversing finishing mill stand and into the remaining finishing stands where it is further reduced and ultimately coiled in strip form. The first two passes through the reversing finishing mill stand are carried out at speeds in excess of the third pass and unrelated to the speed cone of the remainder of the continuous finishing stands. The third pass through the reversing finishing mill stand is carried out at a rolling speed consonant with the speed cone on the subsequent passes through the continuous finishing stands.

    A METHOD OF PRODUCING STEEL PLATE ON A REVERSING PLATE MILL
    23.
    发明专利
    A METHOD OF PRODUCING STEEL PLATE ON A REVERSING PLATE MILL 未知

    公开(公告)号：GB2167987A

    公开(公告)日：1986-06-11

    申请号：GB8528353

    申请日：1985-11-18

    Applicant: TIPPINS MACH

    Inventor： TIPPINS GEORGE WILLIAM ,  DUNN LAWRENCE PHILLIP ,  POTTMEYER WAYNE GLENN

    IPC: B21B1/22 ,  B21B1/00 ,  B21B1/34 ,  B21B37/00

    Abstract: A method of improving the productivity and yield of a reversing plate mill comprises installing coiler furnaces on the upstream and downstream sides of the mill. Thereafter, a supply of extra large slabs as well as a supply of pattern slabs for the mill are provided. The plate requirements for the next horizon period are analyzed and for each size plate, a decision is made (i) to process extra large size slabs, or (ii) to process pattern slabs, or (iii) a combination of both extra large and pattern slabs to supply the plate requirements. The slabs are then processed in accordance with the particular decision.

    25.
    发明专利
    未知

    公开(公告)号：NO831893L

    公开(公告)日：1984-01-16

    申请号：NO831893

    申请日：1983-05-27

    Applicant: TIPPINS MACH

    Inventor： THOMAS JOHN EDWARD ,  GRETZ RONALD DAVID ,  TIPPINS GEORGE WILLIAM

    IPC: B21B39/12 ,  B21B1/22 ,  B21B1/26 ,  B21B1/32 ,  B21B1/34 ,  B21B1/38 ,  B21B3/02 ,  B21B37/74 ,  B21B45/00 ,  C21D8/02 ,  C21D8/08 ,  C21D9/52 ,  C21D9/68 ,  G02B21/34 ,  B21B

    Abstract: A hot strip mill having a final reducing stand and runout cooling means downstream of the reducing stand includes an incubator capable of coiling and decoiling the hot strip. The incubator is located intermediate the runout cooling means. In a preferred form the final reducing stand is a hot reversing mill. A second incubator and/or a temper mill and/or a slitter may be positioned downstream of the first incubator. The method of rolling includes isothermally treating the strip within a predetermined time and temperature range in the incubator prior to subsequent processing. The subsequent processing may include any one or more of the following: further deformation by cold rolling, temper rolling or cooling at a desired heat loss rate.

    26.
    发明专利
    未知

    公开(公告)号：FI832534L

    公开(公告)日：1984-01-14

    申请号：FI832534

    申请日：1983-07-12

    Applicant: TIPPINS MACH

    Inventor： THOMAS JOHN EDWARD ,  GRETZ RONALD DAVID ,  TIPPINS GEORGE WILLIAM

    IPC: B21B39/12 ,  B21B1/22 ,  B21B1/26 ,  B21B1/32 ,  B21B1/34 ,  B21B1/38 ,  B21B3/02 ,  B21B37/74 ,  B21B45/00 ,  C21D8/02 ,  C21D8/08 ,  C21D9/52 ,  C21D9/68 ,  G02B21/34 ,  C21D

    Abstract: A hot strip mill having a final reducing stand and runout cooling means downstream of the reducing stand includes an incubator capable of coiling and decoiling the hot strip. The incubator is located intermediate the runout cooling means. In a preferred form the final reducing stand is a hot reversing mill. A second incubator and/or a temper mill and/or a slitter may be positioned downstream of the first incubator. The method of rolling includes isothermally treating the strip within a predetermined time and temperature range in the incubator prior to subsequent processing. The subsequent processing may include any one or more of the following: further deformation by cold rolling, temper rolling or cooling at a desired heat loss rate.

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