US3809390A - Sheet gripper apparatus for a cutting and creasing press - Google Patents

Sheet gripper apparatus for a cutting and creasing press Download PDF

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Publication number
US3809390A
US3809390A US00217303A US21730372A US3809390A US 3809390 A US3809390 A US 3809390A US 00217303 A US00217303 A US 00217303A US 21730372 A US21730372 A US 21730372A US 3809390 A US3809390 A US 3809390A
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United States
Prior art keywords
gripper
body portion
members
secured
gripper bar
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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US00217303A
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English (en)
Inventor
F Lenoir
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.)
MILLER PRINTING MACHINERY Co
Original Assignee
MILLER PRINTING MACHINERY Co
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Filing date
Publication date
Application filed by MILLER PRINTING MACHINERY Co filed Critical MILLER PRINTING MACHINERY Co
Priority to US00217303A priority Critical patent/US3809390A/en
Priority to CH612773A priority patent/CH568222A5/xx
Priority to DE2324642A priority patent/DE2324642A1/de
Application granted granted Critical
Publication of US3809390A publication Critical patent/US3809390A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/06—Movable stops or gauges, e.g. rising and falling front stops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/042—Intermediate conveyors, e.g. transferring devices
    • B65H29/044—Intermediate conveyors, e.g. transferring devices conveying through a machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/045—Details of grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1818—Means for removing cut-out material or waste by pushing out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/42—Die-cutting

Definitions

  • ABSTRACT A pair of endless chains are reeved about spaced pairs of sprockets and transverse gripper bars are connected to the endless chain in spaced relation to each other.
  • the sprockets are driven to propel the chains with transverse gripper bars secured therethrough through the cutter and creaser section, stripping section and delivery section of the press unit.
  • the gripper bars have a plurality of gripper members secured thereto and extending rearwardly therefrom.
  • the gripper members include a rigid base or .pad member extending rearwardly from the gripper bar and a resilient sheet engaging gripper finger positioned in overlying relation with the fixed rearwardly extending rigid pad member.
  • the gripper finger actuator includes vertical pin members extending upwardly through vertical portions in the transverse gripper bar with the upper edge portions abutting the underside of the resilient gripper fingers.
  • the lower edge portions of the pin members have rollers thereon arranged parallel to the longitudinal axis of the transverse gripper bars.
  • An elongated plate is slidably secured to the underside of the transverse gripper bars and has portions abutting the respective rollers connected to the vertical pins.
  • the plate members have an inclined portion adjacent to the respective rollers so that axial movement of the plate member relative to the gripper bar moves the roller members along the inclined portions of the plate to move the resilient gripper finger end portions away from the fixed pad of the gripper member.
  • the plate unit includes cam followers connected at one end to the transverse gripper bar-and at the other end to the slidable plate. The cam followers are arranged to move the slidable plate longitudinally relative to the gripper bar to open the gripper members at preselected locations along the press unit.
  • This invention relates to sheet gripper apparatus and more particularly to sheet gripper apparatus for a cutting and creasing machine.
  • This invention relates to a sheet gripper mechanism that includes a transverse gripper bar having a body portion with a plurality of vertical passageways therein.
  • the gripper bar body portion has a top surface and a bottom surface.
  • the vertical passageways have openings in the top surface and bottom surface.
  • Sheet gripper assemblies aresecured to the gripper bar body portion and have a gripper pad portion on the gripper bar body portion top surface adjacent to the vertical passageway.
  • the gripper assemblies have gripper fingers secured to the gripper bar body portion top surface and are positioned in overlying relation with the vertical passageways.
  • the gripper fingers have sheet engaging portions in overlying relation with the gripper pads.
  • the gripper assemblies are arranged to engage a sheet between the gripper fingers and the gripper pad.
  • Pin members are positioned in the vertical passageways and have a top portion abutting the underside of the gripper fingers.
  • Gripper opening apparatus is arranged to move the pin members upwardly in the passageways to move the gripper sheet engaging portions'away from the gripper pads.
  • the gripper opening means includes a plate member slidably secured to the bottom surface of the gripper bar body portion with recessed portions beneath the pin members and cam surfaces adjacent to the pin members.
  • a cam member secured to the press frame engages a cam followersecured to the plate member to periodically move the plate member longitudinally and move the cam portions of the plate member into underlying relation with the pin members.
  • the plate member has resilient means urging the recessed portions of the plate into underlying relation with the pin members to permit the gripper assemblies to remain in a closed position until actuated by the cam member secured to the press frame.
  • a second cam member is secured to the opposite side of the press frame and is arranged to engage a cam follower connected to the gripper bar body portion while the plate member cam follower is engaged by the other cam member to thereby prevent longitudinal movement of the gripper bar during the opening of the gripper assemblies.
  • the principal object of this invention is to provide a sheet gripper mechanism in which torsional forces are not required to open or close the gripper assemblies mounted on a gripper bar.
  • Another object of this invention is to provide a sheet gripper mechanism that requires a minimum of space in the press and provides uniform displacement for the gripper assembly actuator.
  • FIG. 1 is a view in side elevation and partially in section of a cutter and creaser machine in which sheets of paper, cardboard and the like are-conveyed through the machine by a sheet conveying apparatus that includes transverse gripper bars with a plurality of grippers positioned thereon.
  • FIG. 2 is a diagrammatic view in section taken along the line IIII of FIG. 1, illustrating schematically the various sections of the machine and a transverse gripper bar connected to endless conveyor chains. Cam members for opening andclosing the gripper members on the transverse gripper bar are also illustrated.
  • FIG. 3 is a fragmentary top plan view of the transverse gripper bar with the gripper membersextending rearwardly therefrom.
  • FIG. 4 is a view of a transverse gripper in side elevation and partially in section, illustrating the actuating apparatus for opening and closing the grippers.
  • FIG. 5 is a bottom plan view of the transverse gripper bar, illustrated in FIGS. 3 and 4.
  • FIG. 6 is a view in section taken along the line VI-VI in FIG. 3.
  • FIG. 7 is a view in section taken along the line VII- VII in FIG. 3, illustrating in detail the gripper member and the apparatus for opening and closing the gripper member.
  • FIG. 7A is a view in section similar to FIG. 7, illustrating the gripper in an open position.
  • FIG. 8 is a fragmentary plan .view of a portion of the machine, illustrating the cam members secured to the machine side frames.
  • a cutter and creaser machine generally designated by the numeral that has asheet feeder unit generally designated by the numeral 12 connected to a press unit generally designated by the. numeral 14. Sheets are fed from the feeder unit 12 down a feedboard 16 into the press unit 14 in a conventional manner.
  • the press 14 may, for convenience, be segmented into a transfer section 18, a cutter and creaser section 20, a stripper section 22 and a stack or deliverysection 24.
  • the sheets supplied to the press 14 along the feedboard 16 are moved into side and front register on the feedboard 16 and are engaged by a gripper mechanism in the transfer section 18.
  • the sheets are accelerated to press speed by apparatus in the transfer section 18 and fed at press speed to the press unit 14. i
  • the press unit 14 has sheet conveyor apparatus generally designated by the numeral 25 that includes a pair of endless chains 26 and 28 mounted on pairs of idler sprockets 30 and 32 adjacent the transfer section 18 and a pair of drive sprockets 3.4 and 36 adjacent the delivery section 24.
  • the endless conveyor chains 26 and v 28 have a plurality of transverse conveyor bars generally designated by the numeral 38 connected thereto in preselected spaced relation to each other.
  • the conveyor bars 38 have a plurality of grippers generally des ignated by the numeral 40 thereon that are arranged to open and engage the edge of the sheet in the transfer section 18 of the press and convey the sheet through the cutter and creaser section 20 and stripper section 22 to the delivery section 24 where the grippers 40.are arranged to open and release the sheet.
  • a pair of platens 42 and 44 Positioned within the cutter and creaser section 20 are a pair of platens 42 and 44 that are arranged to periodically move into abutting relation with each other while asheet engaged by grippers 40 on transverse bar 38 is positioned therebetween to cut and crease the sheet.
  • the transverse bar 38 to which the sheet is engaged has advanced beyond the front edge of the platens 42 and 44 when the platens move intocutting relation with the sheet. It should be noted that the platens 42 and 44 and the sheets therebetween are moved toward the stripper section 22 while the sheet is being cut and creased.
  • a drive motor 46 is connected by shafting and gears to drive shafts for the platens 42 and 44, as is more completely described in copending U.S. application Ser. No. 83,335 now U.S. Pat. No. 3,653,304 and does not form a part of the present invention other than to provide a drive for the drive sprockets 34 and 36 for the sheet conveyor apparatus 25.
  • the stripper section'22 there are other platens 48 and 50 that are arranged to periodically move into abutting relation with each other and strip or remove the cut out portions from the sheet as the sheet is conveyed through the stripper section 22 to the delivery section 24 by the sheet conveyor apparatus 25.
  • a drive shaft 52 drives the eccentric shaft of the stripper platens to move the platens 48 and 50 in timed relation with the cutter platens 42 and 44. It is essential that the sheet conveyor apparatus 25 deliver the sheets to the cutter and creaser section 20 and to the stripper section 22 in proper register with the respective platens so that the respective cuts and creases are impressed on the sheet at the desired locations and the cut out portions removed from the sheet.
  • the stripper platens 48 and 50 are driven in timed relation to the cutter'and creaser platens 42 and 44 by gearing and the shaft 52.
  • a shaft 54 is connected to the drive gearing for the stripper platens and by means of a bevel gear 56 is arranged to drive a differential drive mechanism (not shown) for the shaft 58 on which the drive sprockets 34 and 36 are mounted.
  • the drive mechanism for the shaft 58 is a differential drive mechanism that is arranged to rotate the shaft 58 at difierent angular velocities so that the sheet engaged by the conveyor apparatus 25 moves in timed relation to the respective platens in the cutter and creaser section 20 and stripper section 22.
  • the gripper members 40 on the transverse. gripper bars 38 are arranged, and later described, to release the sheet inthe delivery section 24 so that the sheets are deposited on a stack generally designated by the numeral 60 in the delivery section 24.
  • the sheet conveyor apparatus generally designated by the numeral 25 is illustrated in detail and includes a plurality of transverse bars 38 arranged in predetermined spaced relation to each'other.
  • the transverse bars 38 have an elongated generally rectangular body portion 62 with a plurality of vertical bores 64 therein. Suitable cylindrical bushings 66 are positioned in the vertical bores 64.
  • Rearwardly extending gripper pad members 68 are secured to the upper surface of the bar body portion 62 and have a serrated surface 70.
  • a flexible resilient gripper finger 72 is secured to the upper surface of the bar body portion 62 at one end adjacent the front by bolt members 74.
  • the rear end of the gripper finger 72 has an arcuate depending edge portion 76 which is arranged to abut the serrated surface of gripper pad 68. As is illustrated in FIG.
  • the front edge 78 of sheet S is positioned in overlying relation with the serrated portion 70 of gripper pad 68 and the arcuate portion 76 of finger 72 is arranged to move into abutting relation with the upper surface of the sheet front edge 78 and thus engage the front edge of sheet S to the transverse gripper bar 38 for movement therewith.
  • the bores 64 in the gripper bar body portion 62 are aligned with the gripper finger 72 so that the gripper finger 72 is. in overlying relation with the bores 64in the gripper bar body portion 62.
  • each of the bores 64 Positioned in each of the bores 64 are vertically extending pin members 80 that have a rounded top'edge 82in abutting relation with the underside of the gripper finger 72 and a roller member 84 rotatably mounted adjacent the other end and extending downwardly therefrom.
  • the rollers 84 are mounted with their a-xis transverse to the longitudinal axis of the gripper bar 38.
  • An elongated plate member 86 is slidably positioned in abutting relation with the underside of the gripper bar body portion 62 and is maintained in this position by bridge-like strap members 88 secured to the underside of the transverse bar body portion 62.
  • the elongated plate 86 has recessed portions 90, as best illustrated in FIG. 5, beneath each of the rollers 84.
  • the recessed portions 90 have an inclined cam surface 92 on which a Q the roller 84 is arranged to move as the plate 86 is moved longitudinally relative to the transverse bar body portion 62.
  • the transverse bar 38 has an arm member 94 secured to the plate edge portion 96 which is adjacent to the chain 28.
  • the arm member 94 is suitably secured to the plate 86 by screw 98 and has a cam roller or follower 100 rotatably secured thereto and depending therefrom.
  • the cam roller 100 is arranged to move in the track 102 of cam member 104 that is secured to the press frame 106.
  • the cam member 104 is clearly illustrated in FIG. 6 with the cam track 102.
  • a pair of cam members 104 is suitably secured to the press frame 106 adjacent the transfer section 18 and adjacent the delivery section 24 and is arranged to open the gripper fingers 72 at these locations.
  • the cam roller 100 enters the throat 108 of cam track 102 and follows the arcuate track 102 to move the cam follower 100 laterally toward the chain 28.
  • Movement of the cam-follower 100 toward the chain 28 moves the slidable plate 86 connected thereto longitudinally relative to the transverse bar body portion 62 to move the recessed portions 9.0 of the plate 86 so that the inclined portions 92 are moved beneath the rollers 84 to displace the pins 80 upwardly and move the gripper finger 72 to the open position as illustrated in FIG. 7A.
  • the spring member 112 is connected at the other end to an arm member 114 that is rigidly secured to the transverse bar body portion 62 by screw member 116.
  • a stop member 118 abuts the end 110 of slidable plate 86 to limit movement of the plate 86 toward the chain 26.
  • the chain links have a relatively loose fit and would permit lateral movement of the transverse bar 38 and interfere with the opening and closing of the grippers 40. Also, the opening and closing of the grippers would not be uniform.
  • the arm member 114 is rigidly secured to the gripper bar body portion 62 by means of screw 1 16.
  • Cam follower rollers 120 are rotatably secured to the end of the arm member 114 and are arranged to be positioned in the cam track 122 of cam member 124 that is rigidly secured to the press frame 126.
  • the cam member 124 is positioned opposite to the gripper opening cam 104. With'this arrangement the cam followers 120 move into the straight cam track 122 of cam member 124 and provide a rigid nonyieldable support for the transverse bar 38 as the cam follower 100 moves the plate 86 laterally to open, the respective grippers.
  • apair of cam followers 120 are illustrated in the drawings, it should be understood a single cam follower may also be employed.
  • the transverse gripper bar body porion 62 has similar end members 130 and 132 (FIGS. 3 and 5) secured thereto by bolts 134.
  • end members have a recessed intermediate portion 136 with outwardly extending spaced flanges 138 and 140.
  • Chain connector members 142 and 144 are similar in construction and have a body portion 146 with spaced pin members 148 and 150 extending laterally therefrom.
  • the pin members extend through receiving bores 152 and 154' in the links of chains 26 and 28 to thus connect the chain connecting members 142 and 144 to two adjacent links of the respective endless chains 26 and 28.
  • the chain connector members 142 and 144 have inwardly extending arms 156 and 158 that are positioned within recessed portion 136 of end members and 132 between the respective flanges 138 and 140.
  • the flanges 138 and have a pair of pin members 160 and 162 suitably secured therein in parallel spaced relation to each other and extend across the recessed portion 136.
  • the arms 156 and 158 of chain connector members 142 and 144 have bores therethrough and are slidably positioned on the pins 160 and 162.
  • Spring members 164 and 166 extend around the pins 160 and 162 and at one end abut the arm 156 of chain connector members 142 and 144 and at the other end abut stops 168 and 170 on pins 160 and 162. With this arrangement the transverse bar body portion 62 is movable longitudinally relative to the chain connectors 142 and 144.
  • Suitable levers or stops may be provided in the cutter and creaser machine where register of the sheets conveyed therethrough is essential as, for example',-in the cutter and creaser section 20 and stripper section 22 when the respective platens move into operative relation with the sheet.
  • the levers or stops are arranged to abut the edges 172 of end members 130 and 132 and push members 130 and 132 with the transverse bar 38 connected thereto in the direction of movement of the transverse cutter bar a predetermined amount to provide register of the sheet.
  • the springs 166 and 168 are compressed and the end members 130 and 132 ,connected at each end of the transverse bar 38 premit movement of the bar 38 toward relative to the chains and the chain connector members 142 and 144. When registration is no longer required, the levers or stop members release the force exerted on the edges 172 and springs 166 and 168 move the bar to the position illustrated in FIG. 3.
  • the apparatus for opening and closing the gripper fingers because of the linear movement does not apply torsional forces to the gripper bar and there is a uniform displacement or movement of the gripper actuator to provide instantaneous and simultaneous opening of all of the grippers 40.
  • the opening cams, i.e., cams 104, and the rigidi: fying cams, i.e., cams 124 may be positioned at preselected locations within the press unit 14 without requiring substantial space to actuate the grippers.
  • the sheets with the gripper bars are moved into accurate register during the cutting and creasing and stripping operations by the resilient connection between the transverse 7 gripper bar body portion 62 and the chain connector members 142 and 144.
  • a sheet gripper mechanism comprising,
  • endless chains positioned in spaced parallel relation to each other, a transverse gripper bar having a body portion with a plurality of vertical passageways therein,
  • said gripper ,bar body portion having atop surface and a bottom surface, said ,vertical passageways have openings in said top surface and said bottom surface,
  • gripper assemblies having gripper'pads on said gripper bar body portion top surface adjacent to said vertical passageways, said gripper assemblies having gripper fingers secured to said gripper bar body portion top surface and positioned in overlying relation with said verti- 30 cal passageways, said gripper fingers having sheet engaging portions in overlying relation with said gripper pads, said gripper assemblies arranged to engage a sheet between said gripper fingers and said gripper pad,
  • said plate member having upwardly facing cam surfaces adjacent to the bottom portion of said pin members
  • said plate member having an end portion with a cam follower thereon, fixed members positioned adjacent to said chains a first fixed cam member secured to one of said fixed members, said first fixed cam member arranged to engage said cam follower secured to the end of said plate member and move said plate member longitudinally relative to said gripper bar body portion and move said'pin members upwardly in said passageways and thereby move said gripper finger sheet engaging portion away from said gripper pads,
  • a second cam member secured to at least one of said fixed members and arranged to engage said second cam follower secured to said gripper bar body portion and prevent longitudinal movement of said gripper bar body portion while said cam follower secured to said plate member engages said first cam member.
  • a sheet gripper mechanism as set forth in claim 1 which includes,
  • said resilient means arranged to urge said plate member against said stop member to position said plate member recessed portion beneath said pin member 1 bottom portions.

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  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
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US00217303A 1972-01-12 1972-01-12 Sheet gripper apparatus for a cutting and creasing press Expired - Lifetime US3809390A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US00217303A US3809390A (en) 1972-01-12 1972-01-12 Sheet gripper apparatus for a cutting and creasing press
CH612773A CH568222A5 (enrdf_load_stackoverflow) 1972-01-12 1973-04-30
DE2324642A DE2324642A1 (de) 1972-01-12 1973-05-16 Bogengreifvorrichtung fuer eine schneidund kerbmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00217303A US3809390A (en) 1972-01-12 1972-01-12 Sheet gripper apparatus for a cutting and creasing press

Publications (1)

Publication Number Publication Date
US3809390A true US3809390A (en) 1974-05-07

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Application Number Title Priority Date Filing Date
US00217303A Expired - Lifetime US3809390A (en) 1972-01-12 1972-01-12 Sheet gripper apparatus for a cutting and creasing press

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US (1) US3809390A (enrdf_load_stackoverflow)
CH (1) CH568222A5 (enrdf_load_stackoverflow)
DE (1) DE2324642A1 (enrdf_load_stackoverflow)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909343A (en) * 1972-04-11 1975-09-30 Siempelkamp Gmbh & Co Apparatus for forming a laminate in a heated-platen press
US4031824A (en) * 1975-11-03 1977-06-28 American Screen Printing Equipment Company Sheet feed and takeoff assembly for printers
US4161269A (en) * 1977-11-21 1979-07-17 Corrugated Development, Inc. Web clamp
US4345683A (en) * 1980-04-28 1982-08-24 Datafile Limited Conveyor for labelling apparatus
DE3044083A1 (de) * 1980-11-24 1982-09-09 Wupa-Maschinenfabrik GmbH, 4057 Brüggen Stanzeinrichtung
US4447146A (en) * 1981-04-01 1984-05-08 Mikio Kogane Photographic printing apparatus
US4470593A (en) * 1980-11-24 1984-09-11 Albert Halff Gripper arrangement for sheet-machining installations
EP0669210A1 (en) * 1994-01-26 1995-08-30 ORMAG S.p.A. Mounting arrangement of the bars supporting the grippers in map-making or security-paper printing machines
US5562279A (en) * 1994-05-04 1996-10-08 Bobst Sa Combination gripper bar and device for fastening the gripper bar on a chain train in a machine for processing plate-like workpieces
US6402137B1 (en) * 1997-12-05 2002-06-11 Heidelberger Druckmaschinen Ag Conveyor chain for a gripper system-bearing chain conveyor of a printing press
US20030227128A1 (en) * 2002-06-10 2003-12-11 Dieter Gronau Positioning device for a gripper carriage of a sheet-processing punching and embossing machine
US20050076761A1 (en) * 2003-10-14 2005-04-14 Bobst S.A. Blanking station of a diecutting press
EP1524221A1 (fr) * 2003-10-14 2005-04-20 Bobst S.A. Station de séparation des poses d'une presse à découper
CN101961950A (zh) * 2010-08-13 2011-02-02 天津长荣印刷设备股份有限公司 一种开牙取样装置及其工作方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498982A1 (fr) * 1981-02-03 1982-08-06 Socar Procede et appareillage pour preregler les outils de decoupe et d'ejection d'une presse a decouper des flans en carton
FR2498983A1 (fr) * 1981-02-03 1982-08-06 Socar Procede et appareillage pour preregler les outils de decoupe et d'ejection d'une presse a decouper des flans en carton
CH681885A5 (enrdf_load_stackoverflow) * 1990-03-24 1993-06-15 Bobst Sa
DE19722376A1 (de) * 1996-05-29 1997-12-04 Heidelberger Druckmasch Ag Bogentransportsystem für eine Rotationsdruckmaschine
DE19807587C1 (de) * 1998-02-23 1999-04-29 Manfred Vossen Verfahren und Vorrichtung zur Bewegung von Greiferstangen in einer bogenverarbeitenden Maschine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418065A (en) * 1940-10-16 1947-03-25 Bobst Henri Blank feeding means
CA490718A (en) * 1953-02-24 Bobst Henri Gripper release mechanism for sheet handling machines
US2950915A (en) * 1956-03-28 1960-08-30 Golding William Frank Sheet feed and registration apparatus
GB1036132A (en) * 1962-01-29 1966-07-13 Samco Strong Ltd Sheet feeding apparatus
US3370533A (en) * 1965-09-13 1968-02-27 Chailenge Machinery Company Proof press with short sheet gripper release
US3509650A (en) * 1967-12-08 1970-05-05 James Bruce Orkney Method of and apparatus for feeding flatwork into a flatwork ironer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA490718A (en) * 1953-02-24 Bobst Henri Gripper release mechanism for sheet handling machines
US2418065A (en) * 1940-10-16 1947-03-25 Bobst Henri Blank feeding means
US2950915A (en) * 1956-03-28 1960-08-30 Golding William Frank Sheet feed and registration apparatus
GB1036132A (en) * 1962-01-29 1966-07-13 Samco Strong Ltd Sheet feeding apparatus
US3370533A (en) * 1965-09-13 1968-02-27 Chailenge Machinery Company Proof press with short sheet gripper release
US3509650A (en) * 1967-12-08 1970-05-05 James Bruce Orkney Method of and apparatus for feeding flatwork into a flatwork ironer

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909343A (en) * 1972-04-11 1975-09-30 Siempelkamp Gmbh & Co Apparatus for forming a laminate in a heated-platen press
US4031824A (en) * 1975-11-03 1977-06-28 American Screen Printing Equipment Company Sheet feed and takeoff assembly for printers
US4161269A (en) * 1977-11-21 1979-07-17 Corrugated Development, Inc. Web clamp
US4345683A (en) * 1980-04-28 1982-08-24 Datafile Limited Conveyor for labelling apparatus
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EP0669210A1 (en) * 1994-01-26 1995-08-30 ORMAG S.p.A. Mounting arrangement of the bars supporting the grippers in map-making or security-paper printing machines
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US5562279A (en) * 1994-05-04 1996-10-08 Bobst Sa Combination gripper bar and device for fastening the gripper bar on a chain train in a machine for processing plate-like workpieces
US6402137B1 (en) * 1997-12-05 2002-06-11 Heidelberger Druckmaschinen Ag Conveyor chain for a gripper system-bearing chain conveyor of a printing press
US20030227128A1 (en) * 2002-06-10 2003-12-11 Dieter Gronau Positioning device for a gripper carriage of a sheet-processing punching and embossing machine
EP1371588A1 (de) * 2002-06-10 2003-12-17 Heidelberger Druckmaschinen Aktiengesellschaft Positionseinrichtung für den Greiferwagen einer bogenverarbeitenden Stanz- und Prägemaschine
US6866262B2 (en) 2002-06-10 2005-03-15 Heidelberger Druckmaschinen Ag Positioning device for a gripper carriage of a sheet-processing punching and embossing machine
US20050076761A1 (en) * 2003-10-14 2005-04-14 Bobst S.A. Blanking station of a diecutting press
EP1524221A1 (fr) * 2003-10-14 2005-04-20 Bobst S.A. Station de séparation des poses d'une presse à découper
JP2005118880A (ja) * 2003-10-14 2005-05-12 Bobst Sa 打抜きプレスのブランク分離ステーション
US7156798B2 (en) 2003-10-14 2007-01-02 Bobst S.A. Blanking station of a diecutting press
CN101961950A (zh) * 2010-08-13 2011-02-02 天津长荣印刷设备股份有限公司 一种开牙取样装置及其工作方法
CN101961950B (zh) * 2010-08-13 2013-04-10 天津长荣印刷设备股份有限公司 一种开牙取样装置及其工作方法

Also Published As

Publication number Publication date
DE2324642A1 (de) 1974-12-05
CH568222A5 (enrdf_load_stackoverflow) 1975-10-31

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