US3150706A - Method and apparatus for handling coils of metal strip - Google Patents

Method and apparatus for handling coils of metal strip Download PDF

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Publication number
US3150706A
US3150706A US189011A US18901162A US3150706A US 3150706 A US3150706 A US 3150706A US 189011 A US189011 A US 189011A US 18901162 A US18901162 A US 18901162A US 3150706 A US3150706 A US 3150706A
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United States
Prior art keywords
coil
uncoiler
shear
leading end
strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US189011A
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English (en)
Inventor
Jeremiah W O'brien
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
United Engineering and Foundry Co
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United Engineering and Foundry Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to BE631046D priority Critical patent/BE631046A/xx
Application filed by United Engineering and Foundry Co filed Critical United Engineering and Foundry Co
Priority to US189011A priority patent/US3150706A/en
Priority to FR923137A priority patent/FR1346088A/fr
Priority to GB10947/63A priority patent/GB954770A/en
Priority to ES287033A priority patent/ES287033A1/es
Application granted granted Critical
Publication of US3150706A publication Critical patent/US3150706A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/3433—Feeding or guiding devices not specially adapted to a particular type of apparatus for guiding the leading end of the material, e.g. from or to a coiler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/16—Unwinding or uncoiling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B21C47/245—Devices for the replacement of full reels by empty reels or vice versa, without considerable loss of time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/3433—Feeding or guiding devices not specially adapted to a particular type of apparatus for guiding the leading end of the material, e.g. from or to a coiler
    • B21C47/3441—Diverting the leading end, e.g. from main flow to a coiling device

Definitions

  • This invention relates to a method and apparatus for use in conjunction with strip processing lines and, more particularly, to a method and apparatus that will enable the leading ends of coils to be quickly prepared for successive feeding of the coils into the line.
  • the present invention is addressed to a method and apparatus which will permit the undesirable leading end portions of coils to 'be severed in a manner that the coils can be madeready for uncoiling with very little delay.
  • auxiliary uncoiling and shearing arrangement consisting of a pair of coil supporting driven rollers designed to uncoil and then recoil a portion of the leading end of coil supported thereby, a pair of pinch rolls, an adjacent leveler unit, a shear and a second pinch roll unit spaced from the leveler and followed by a runout table.
  • the undesirable portion of the leading end of a coil is unwound from the coil and passed through the first pair of pinch rolls and the leveler, through the shear and onto the runout table, after which the shear is operated to shear the undesirable material from the coil.
  • the coil can be rewound by the supporting rollers and immediately transferred to the processing line for uncoiling and processing therethrough.
  • the sheared leading end portion can be returned through the shear and cut up into a number of shorter lengths at a time when such an operation will not delay the coil uncoiling operation.
  • FIGURE 1 is a plan view of the entry end equipment of a continuous metallic strip pickling line
  • FIGURE 2 is a sectional view taken on lines IIII of FIGURE 1;
  • FIGURE 3 is a sectional view taken on lines Ill-III of FIGURE 1 of the auxiliary uncoiling and shearing arrangement herein disclosed.
  • FIGURES 1 and 2 there is illustrated a coil conveyor 16 consisting of a pair of parallel chains 11 designed to be intermittently driven by a drive not shown and having coil supporting members on which coils are placed with their axis extending in a vertical direction and their convolutions Wound in a clockwise direction.
  • an upender 12 having three coil engaging fingers 13, 14 and 15 which are designed to pass between the parallel coil-supponting chains of the conveyor 10 to a position immediately below the upper surfaces of coil supporting members thereof.
  • FIGURE 1 illustrates the upender in its coil receiving position.
  • the upender 12 is designed to rotate a coil, supported by the fingers, degrees and lift it off of the conveyor 10.
  • a pair of spaced apart adjustable rollers 18 are provided for engaging the one side of the coil and supporting its weight when the upender is rotated. As shown in FIGURE 1 the rollers 18 are individually connected to piston cylinder assemblies 19 and 22 by means of a pair of arms 23 and 24.
  • a first coil transfer car 27 is provided for receiving the coils from the upender 12 and, as shown in FIGURES 1, 2 and 3, consists of a frame 28 having a vertically movable column 29 which includes at its upper end a platen 31 and at its lower end a piston cylinder assembly 32 to which the platen is connected and by which means it is raised and lowered.
  • the tracks 34 extend from a position adjacent to the upender 12 to a position adjacent to an uncoiler 35.
  • the width of the platen 31 of the car 27 is narrow enough to allow it to be advanced between the rollers 18 of the upender 12 when the rollers 18 are in their horizontal positions.
  • a pair of cradle rolls 36 and 37 arranged to extend in the same direction as the tracks 34.
  • the rolls are spaced apart a sufiicient distance to allow the platen 31 of the first transfer car 27 to be advanced between them and deposit a coil carried thereby upon the rolls 36 and 37, the platen being first raised by the operation of the cylinder 32, this relationship being best shown in FIGURE 3.
  • the rolls 36 and 37 are motor driven by individual motors 38, as best shown in FIGURES 1 and 3.
  • the driving of the rolls 36 and 37 when at the time they are supporting a coil will effect a winding or unwinding of the coil depending on the direction of rotation of the rolls.
  • the cradle rolls will be referred to as a first uncoiler.
  • a strip peeling mechanism 41 consisting of a freely rotatable roller 42 and a knife and 37, as illustrated in FIGURES 1 and 2, there is provided a second coil transfer car 48 which is designed to transfer a coil from the cradle rolls to the uncoiler 35.
  • This second transfer car is made up of a frame 49 having a central vertically extending opening into which there is received a vertically movable column 52, the column at its upper end being provided with a pair of coil supporting rollers 53 and at its lower end with a piston cylinder assembly 54 which serves to raise and lower the column 52.
  • the column is further provided with a tubular bushing 55 which is keyed to the column and received in a second frame 56.
  • a bracket 57 To the bushing there is secured a piston cylinder assembly 58 designed to rotate the column 52 90 degrees so that the coils may be presented to the uncoiler 35 with their leading ends extending in a counterclockwise direction and in the direction of the processing line.
  • the second coil car 48 is provided with a pair of transversely spaced apart freely rotatable wheels 62 which roll over the tracks 34. As shown in FIGURE 2, the second coil car 48 is connected at its one end to the first coil car 27 by a clevis-pin arrangement 63 and at its other end to the rod of a piston cylinder assembly 64, the latter being the means provided for moving the two cars over the tracks 34.
  • the uncoiler 35 which hereinafter, on occasion, will be referred to as a second uncoiler, is representative of a well-known commercial unit, and is not believed to require any specific description in order to understand the present invention.
  • FIGURES 1 and 3 With reference now to the auxiliary coil preparing arrangement herein disclosed, attention is directed particularly to FIGURES 1 and 3, the arrangement being best illustrated in the latter figure.
  • FIGURE 1 perpendicular to the line of travel of the coil transfer cars 27 and 4-3 and parallel to the conveyor 10, there is arranged an auxiliary strip uncoiling and shearing line designed to remove the undesirable leading end portions of the coils and permit the coils to be advanced to the second uncoiler 35 with a minimum loss of time.
  • a pinch roll unit consisting of a pair of motor driven pinch rolls 65, the upper one of which is connected to and vertically adjusted by a piston cylinder assembly 66.
  • a strip leveler 67 Adjacent to and on the far side of the pinch rolls 65, there is arranged a strip leveler 67 of a well known type. Following the leveler, there is provided a table 68 consisting of a series of freely rotating rollers 69.
  • the table is pivotally mounted at its leveler end and adapted to he raised by a piston cylinder assembly 71 connected to its underside at the leveler end of the table.
  • a shear 72 having a drive 73, the drive, shown only in FIGURE 1, is adapted to operate the shear either continuously or intermittently.
  • a second pinch roll unit consisting of a pair of rolls 7%, the upper one of which is connected to and vertically adjustable by a piston cylinder assembly 74-.
  • the rolls 7% of this pinch roll unit are designed to be intermittently driven by a drive 75, shown only in FIG- URE l.
  • a runout table 76 consisting of a series of freely rotatable rolls 77, the length of the table being made sufficient to handle the maximum expected length of the undesirable leading end portions desired to be trimmed from the coils. As indicated previously, this length may reach a length of 40 feet or more.
  • an individual chute 78 designed to direct the sheared-up lengths from the shear into a disposal car 79.
  • a coil placed on the conveyor 10 and brought to a position over the fingers 13, 14 and 15 of the upender 12 is rotated degrees by the upender as the result of the operation of the piston cylinder assembly 17.
  • the first transfer car 27 is brought into its coil receiving position by the operation of the piston cylinder assembly 64.
  • the piston cylinder assembly 32 of the first transfer car and the piston cylinder assemblies 19 and 22 of the upender are raised and lowered respectively, thus placing the coil on the platen 31.
  • the piston cylinder assembly 64 is again operated so as to bring the first transfer car 27 to a position between the cradle rolls 36 and 37 of the first uncoiler, the platen of the car 27 being elevated by the piston cylinder assembly 32 so that the coil carried thereby will clear the rolls 36 and 37.
  • the platen is then lowered by a further operation of the cylinder assembly 32 to deposit the coil upon the cradle rolls 36 and 37 It will be noted in FIGURE 3 that when the coil is carried by the rolls 36 and 37, its leading portion will extend toward the pinch rolls 65.
  • the piston cylinder assembly 46 of the peeler mechanism 41 is operated to bring its roller 42 in against the periphery of the coil which is rotating by the cradle rolls whereby the peeler knife 43 will be engaged by the leading end of the strip and separated from the coil.
  • the rotation of the coil is interrupted and the piston cylinder assembly 46 operated to bring the arm 44 into its retracted position. This action will cause the peeled leading end to be bent over the rod 47 whereby a permanent set will be placed in the strip.
  • the next step will be to rewind the coil to free its leading end from the peeler, after which the coil is again unwound whereby its peeled outer convolution will be urged into the pinch rolls 65, through the leveler 67, over the table 68, through the open shear 72, and thus through the pinch rolls 70.
  • the leveling imparted to the strip will cause the strip to lie fiat as it is advanced over the tables 68 and 77.
  • the piston cylinder assembly 64 will have been operated to bring the second transfer car 48 into a position between the cradle rolls 36 and 37, the first car 27 at the same time being shifted to a position adjacent to the upender 12 for receiving a second coil from the conveyor 10.
  • the piston cylinder assembly 54 is operated to bring the rollers 53 of the second transfer car 48 into engagement with the bottom surface of the coil and lift it off the cradle rolls 36 and 37.
  • the piston cylinder assembly 64 is again operated to shift both of the transfer cars 27 and 48 whereby the first transfer car 27 with a second coil carried thereby will be brought into a position between the cradle rolls 36 and 37 of the first uncoiler and the second transfer car 48 will be brought into a position intermediate the cradle rolls 36 and 37 and the second uncoiler 35. It is to be pointed out that in this phase of the operation the leading end of the first coil will project in a direction at right angles to the travel of the strip as coiled by the uncoiler 35 so that it is necessary to rotate this coil 90 degrees.
  • the table 68 is raised by operation of the piston cylinder assembly 71 and the shear 72 and the pinch rolls 70 operated as previously discussed whereby the pinch rolls 70 by operating intermittently will feed a predetermined length of strip through the shear where it is sheared by the continuous cutting shear 72, the sheared portions falling down the chute 78 and eventually into the disposal car 79.
  • the coil can be transferred to the second uncoiler 35 and this transfer operation can take place almost immediately and without substantial delay pending cutting up of the long sheared leading end portion.
  • this auxiliary uncoiling and shearing arrangement as disclosed herein need not necessarily be located as illustrated in the accompanying drawings, but may be located in a number of other positions with equal effect.
  • the auxiliary arrangement could be located as an extension to the conveyor and thus receive the coil immediately from the conveyor.
  • Apparatus for uncoiling coils of strip for feeding them successively into a continuous processing line comprising:
  • a transfer means for transferring a coil from said first uncoiler to said second uncoiler from where it is fed into the line
  • first and second strip feeding means located on either side of said shear, said first feeding means operatively arranged to feed the leading end of the coil to said shear and said second feeding means operatively arranged to refeed the sheared portion of the leading end into said shear to be divided into a plurality of shorter lengths.
  • means is provided for freeing the leading end of the strip from the coil when the coil is uncoiled by said first uncoiler means.
  • Apparatus according to claim 3 including means for driving said shear continuously,
  • Apparatus according to claim 4 including a first table arranged between said first feeding means and said shear, and
  • a second table arranged adjacent to said second feeding means on the side opposite the shear.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
US189011A 1962-04-20 1962-04-20 Method and apparatus for handling coils of metal strip Expired - Lifetime US3150706A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE631046D BE631046A (US08124317-20120228-C00060.png) 1962-04-20
US189011A US3150706A (en) 1962-04-20 1962-04-20 Method and apparatus for handling coils of metal strip
FR923137A FR1346088A (fr) 1962-04-20 1963-01-30 Procédé et appareil pour la préparation de bobines de bandes métalliques
GB10947/63A GB954770A (en) 1962-04-20 1963-03-20 The preparation of coils of strip
ES287033A ES287033A1 (es) 1962-04-20 1963-04-15 Método y aparato de desenrollado de bobinas de tira

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US189011A US3150706A (en) 1962-04-20 1962-04-20 Method and apparatus for handling coils of metal strip

Publications (1)

Publication Number Publication Date
US3150706A true US3150706A (en) 1964-09-29

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US189011A Expired - Lifetime US3150706A (en) 1962-04-20 1962-04-20 Method and apparatus for handling coils of metal strip

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US (1) US3150706A (US08124317-20120228-C00060.png)
BE (1) BE631046A (US08124317-20120228-C00060.png)
ES (1) ES287033A1 (US08124317-20120228-C00060.png)
FR (1) FR1346088A (US08124317-20120228-C00060.png)
GB (1) GB954770A (US08124317-20120228-C00060.png)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345011A (en) * 1966-04-29 1967-10-03 Cutters Machine Co Inc Roll support
US3351299A (en) * 1966-08-10 1967-11-07 United States Steel Corp Coil car
US3421352A (en) * 1965-07-27 1969-01-14 United Eng Foundry Co Method of and apparatus for rebending strip-like material
US3686921A (en) * 1970-03-16 1972-08-29 Wallace Expanding Machines Method and apparatus for processing coiled sheet metal
US3695532A (en) * 1969-07-05 1972-10-03 Masson Scott Thrissell Eng Ltd Apparatus for preparing reels of sheet material for unwinding
US3991951A (en) * 1975-05-02 1976-11-16 Innocenti Santeustacchio S.P.A. Apparatus for feeding coils of strip to an unwinding station
FR2459100A1 (fr) * 1979-06-16 1981-01-09 Siemag Transplan Gmbh Unite de cisaillage pour ebouter un feuillard enroule en couronne et/ou pour en prelever des echantillons
US5330119A (en) * 1992-08-12 1994-07-19 Abbey Etna Machine Company Automated uncoiling apparatus
US5746077A (en) * 1996-04-19 1998-05-05 Zmc, Inc. Article-rolling machine having selectively positionable dispenser for sheet metal coil
US8011218B1 (en) 2008-08-26 2011-09-06 New Tech Machinery Material forming machine incorporating quick changeover assembly
CN103406389A (zh) * 2013-08-14 2013-11-27 中国重型机械研究院股份公司 一种具有带卷跟踪功能的防松卷机构
EP3763452A1 (de) * 2019-07-12 2021-01-13 Achenbach Buschhütten GmbH & Co. KG Vorrichtung zum öffnen eines walzbandcoils

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2830253C3 (de) * 1978-07-10 1981-05-14 Sundwiger Eisenhütte Maschinenfabrik Grah & Co, 5870 Hemer Verfahren und Vorrichtung zum Stapeln von Bandteilen von Walzbändern
DE3028538A1 (de) * 1980-07-28 1982-02-25 Siemag Transplan Gmbh, 5902 Netphen Scherenanlage zum schopfen der enden und/oder zum abtrennen von probenstuecken an auf bunde gewickeltem walzband o.dgl.
DE3247705A1 (de) * 1982-12-23 1984-07-05 Siemag Transplan Gmbh, 5902 Netphen Scherenanlage mit inspektionsrollgang

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1496056A (en) * 1923-05-23 1924-06-03 United Eng Foundry Co Uncoiler for strip material
US2087010A (en) * 1934-06-26 1937-07-13 Mckay Machine Co Method and apparatus for preventing coil breaks in sheet metal
US2188782A (en) * 1939-04-19 1940-01-30 Youngstown Foundry & Machine C Processing machine
US2266067A (en) * 1939-04-29 1941-12-16 Agnes J Reeves Greer Coil feeding apparatus
US3042334A (en) * 1959-06-05 1962-07-03 Wean Engineering Co Inc Preparation of strip-like material for processing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1496056A (en) * 1923-05-23 1924-06-03 United Eng Foundry Co Uncoiler for strip material
US2087010A (en) * 1934-06-26 1937-07-13 Mckay Machine Co Method and apparatus for preventing coil breaks in sheet metal
US2188782A (en) * 1939-04-19 1940-01-30 Youngstown Foundry & Machine C Processing machine
US2266067A (en) * 1939-04-29 1941-12-16 Agnes J Reeves Greer Coil feeding apparatus
US3042334A (en) * 1959-06-05 1962-07-03 Wean Engineering Co Inc Preparation of strip-like material for processing

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421352A (en) * 1965-07-27 1969-01-14 United Eng Foundry Co Method of and apparatus for rebending strip-like material
US3345011A (en) * 1966-04-29 1967-10-03 Cutters Machine Co Inc Roll support
US3351299A (en) * 1966-08-10 1967-11-07 United States Steel Corp Coil car
US3695532A (en) * 1969-07-05 1972-10-03 Masson Scott Thrissell Eng Ltd Apparatus for preparing reels of sheet material for unwinding
US3686921A (en) * 1970-03-16 1972-08-29 Wallace Expanding Machines Method and apparatus for processing coiled sheet metal
US3991951A (en) * 1975-05-02 1976-11-16 Innocenti Santeustacchio S.P.A. Apparatus for feeding coils of strip to an unwinding station
FR2459100A1 (fr) * 1979-06-16 1981-01-09 Siemag Transplan Gmbh Unite de cisaillage pour ebouter un feuillard enroule en couronne et/ou pour en prelever des echantillons
US5330119A (en) * 1992-08-12 1994-07-19 Abbey Etna Machine Company Automated uncoiling apparatus
US5746077A (en) * 1996-04-19 1998-05-05 Zmc, Inc. Article-rolling machine having selectively positionable dispenser for sheet metal coil
US8011218B1 (en) 2008-08-26 2011-09-06 New Tech Machinery Material forming machine incorporating quick changeover assembly
US8356502B1 (en) 2008-08-26 2013-01-22 New Tech Machinery Material forming machine incorporating quick changeover assembly
US8468864B1 (en) 2008-08-26 2013-06-25 New Tech Machinery Adjustment mechanism kit and rail structure kit along with methods incorporating the same
US8590354B1 (en) 2008-08-26 2013-11-26 New Tech Machinery Material forming machine incorporating quick changeover assembly
US9527123B1 (en) 2008-08-26 2016-12-27 Ronald W. Schell Material forming machine incorporating quick changeover assembly
CN103406389A (zh) * 2013-08-14 2013-11-27 中国重型机械研究院股份公司 一种具有带卷跟踪功能的防松卷机构
CN103406389B (zh) * 2013-08-14 2016-04-13 中国重型机械研究院股份公司 一种具有带卷跟踪功能的防松卷机构
EP3763452A1 (de) * 2019-07-12 2021-01-13 Achenbach Buschhütten GmbH & Co. KG Vorrichtung zum öffnen eines walzbandcoils

Also Published As

Publication number Publication date
FR1346088A (fr) 1963-12-13
ES287033A1 (es) 1963-07-16
BE631046A (US08124317-20120228-C00060.png)
GB954770A (en) 1964-04-08

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