US3631753A - Material punch - Google Patents

Material punch Download PDF

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Publication number
US3631753A
US3631753A US883045A US3631753DA US3631753A US 3631753 A US3631753 A US 3631753A US 883045 A US883045 A US 883045A US 3631753D A US3631753D A US 3631753DA US 3631753 A US3631753 A US 3631753A
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US
United States
Prior art keywords
punching
jig
die
guide plate
aperture
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
Application number
US883045A
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English (en)
Inventor
George Thomas William Hall
Jan Hendrik Sebastiaa Ijzerioo
Nicolaas A Althuizen
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.)
Alcatel Lucent NV
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International Standard Electric Corp
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
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
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Publication of US3631753A publication Critical patent/US3631753A/en
Assigned to ALCATEL N.V., DE LAIRESSESTRAAT 153, 1075 HK AMSTERDAM, THE NETHERLANDS, A CORP OF THE NETHERLANDS reassignment ALCATEL N.V., DE LAIRESSESTRAAT 153, 1075 HK AMSTERDAM, THE NETHERLANDS, A CORP OF THE NETHERLANDS ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: INTERNATIONAL STANDARD ELECTRIC CORPORATION, A CORP OF DE
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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • B21D28/265—Perforating, i.e. punching holes in sheets or flat parts with relative movement of sheet and tools enabling the punching of holes in predetermined locations of the sheet, e.g. holes punching with template
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/04—Centering the work; Positioning the tools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/626—Operation of member controlled by means responsive to position of element remote from member [e.g., interlock]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/654—With work-constraining means on work conveyor [i.e., "work-carrier"]
    • Y10T83/6563—With means to orient or position work carrier relative to tool station
    • Y10T83/6564—By pattern or templet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/748—With work immobilizer
    • Y10T83/7487—Means to clamp work
    • Y10T83/7493—Combined with, peculiarly related to, other element
    • Y10T83/75—With or to tool guide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/889—Tool with either work holder or means to hold work supply

Definitions

  • ABSTRACT Apparatus for punching material wherein a workpiece is retained in, and transported by, a punching jig.
  • the punching jig has one or more apertures formed therein, these apertures corresponding to the apertures to be punched in said workpiece.
  • a guide plate, having apertures formed therein which correspond in size and position to those of the punching jig, is placed over the workpiece thereby sandwiching the workpiece between the guide plate and the punching jig.
  • a punch-and-die combination is used to punch the desired apertures in the workpiece, the punch and die being aligned with the apertures of the guide plate and the punching jig by approximately locating the jig through use of the guide plate and subsequently fitting the periphery of the die into the appropriate aperture of the jig.
  • SHEET 120F 13 Inventors GLORGE 72 W. HALL JAA/ II. S V44! IJZERLOO NK'OLAAS A.ALTH [ZEN BYW Attorney MATERIAL PUNCH BACKGROUND OF THE INVENTION
  • the invention relates to a method of and means for punching material in at least one predetennined position whereby the material to be punched is fixed to means for transporting the material to the predetermined position or consecutively to the different predetermined positions.
  • Such a method of punching material whereby the term punching is defined as the coaction between a punch and a die to pierce, blank or form (or a combination of these operations) material in sheet, bar or striplike form, is generally known.
  • the material is, in general, firmly clamped or otherwise fixed to a table which is arranged to be moved in two coordinates to bring the material into the desired position at which it is to be punched.
  • the movement may be effected in any of a number of well-known ways, for example by a numerically controlled system or by preprogramming the movements via a plugboard.
  • the means consist of a punching jig with at least one aperture which corresponds to and is coincident with a predetermined position and that the aperture or the apertures can engage with a die whereupon the material may be punched by a punch coacting with the die.
  • FIG. 1 shows a simple but typical component for punching by the method and tools to be described herein;
  • FIG. 2 shows a punching jig for holding and transporting the component of FIG. 1;
  • FIG. 3 shows a guide plate for use with the punching jig of FIG. 2;
  • FIG. 4 shows a part-sectioned side elevation of the component of FIG. 1 located in the punching jig of FIG. 2 with the guide plate of FIG. 3 and ready for the effecting of a punching operation;
  • FIG. 5 shows a simple setup of a punch and die in a punch press for carrying out a punching operation on the component of FIG. I and employing the punching jig and guide plate of FIGS. 2 and 3 respectively;
  • FIG. 6 shows a component punched with 12 holes, six of which holes are of a different diameter to the other six;
  • FIG. 7 shows a punching jig and a guide plate for the punching of the component of FIG. 6;
  • FIG. 8 shows an arrangement of seven punches and corresponding dies set up in a brakepress for carrying out the method of punching the component of FIG. 6;
  • FIGS. 9A-9H, 9J-9N and 9P-9R illustrate various punch apertures which may be formed
  • FIG. I0 shows the configuration of the extending portion of a die which is adapted to engage with an aperture in a punching jig;
  • FIG. 11A shows the die of FIG. 10 in engagement with an aperture in a punching jig in which a component and a guide plate is located;
  • FIG. [18 illustrates a punch utilized in conjunction with the die of FIG. 1 1A;
  • FIG. 12 shows a stripper for a punch and which is color coded to indicate the diameter of the punch
  • FIG. 13 shows a die color coded to indicate the diameter plus the clearance allowance for the punching of a certain thickness of material
  • FIG. 14 shows a means for counterbalancing the weights (combined) of a punching jig, a component and a guide plate;
  • FIGS. ISA-15E show a multiposition punching jig for the punching of components having closely spaced holes of different diameters
  • FIGS. 16 and 17 show a means for punching of components with a great weight
  • FIG. 18 shows a component having six groups of holes
  • FIG. 19 shows a punching jig for the component of FIG. 18
  • FIG. 20 shows a press tool for punching all the holes of a group in the component of FIG. 19 simultaneously;
  • FIG. 21 shows one method of maintaining the punches of the tool of FIG. 20
  • FIG. 22 shows another method of maintaining the punches of the tool of FIG. 20 in fixed relationship in a punch holder.
  • FIG. I shows a simple and typical component which may be punched with holes at predetermined positions by the method and tools now to be described herein.
  • the component I comprises a mild steel plate of rectangular form and measuring 300 mm. by mm. by 2 mm. thick. This particular component is required to be punched at 20 predetermined positions with holes 2 each of 6-mm. diameter.
  • FIG. 2 shows a punching jig 3 for holding and transporting the component I of FIG. 1 to effect the punching at the predetermined positions.
  • It comprised a plate of traylike form preferably of a lightweight material such as aluminum having two end portions 4 bent to form handgrips by which the operator can move it, with the component, from one predetermined punching position to another and so on.
  • Four right-angled members 5 are rivetted or otherwise affixed to the tray portion and these serve to prevent movement of the component with respect to a series of holes which extend through the tray and the centers of which holes are coaxial with the centers of the holes to be punched in the component I at the predetermined positions.
  • the holes 6 in the tray are all of like diameter and which diameter permits them to be engaged by a die of the punching tool in a manner to be later described.
  • FIG. 3 shows a guide plate associated with the punching jig 3 of FIG. 2.
  • This guide plate 7 has precisely the same rectangular form and the width and breadth dimensions of the component l but is somewhat thinner, say 1 mm.
  • the purpose of the guide plate is to give the operator an indication of when the punching jig is approximately in a position in which a particular hole in the tray of the punching jig 3 can be engaged by the previously mentioned die.
  • FIG. 4 The relationship between the component 1, the punching jig 3 and the guide plate 7 when cooperatively assembled to carry out punching operations is shown in FIG. 4. In this figure it will be seen that the component 1 is sandwiched between the punching jig 3 and the guide plate 7.
  • FIG. 5 shows a punch 8 mounted in a punchholder 9 for operation in the directions indicated by the arrows A" and 8" under the action of the ram 10 of a conventional punch press (not shown).
  • the punch 8 accommodates thereon a well-known type of stripper" 11 of hard plastic and having the purpose of stripping material or a component off the punch after a punching operation has been carried out.
  • a die 12 Arranged for coaction with the punch 8 to effect punching of the component is a die 12, in this particular instance the die 12 is circular in form and may constitute an integral part of a dieblock 13 or function as a separate integer which may be fitted into the die-block 13 as a loose item.
  • the die 12 is arranged to extend vertically above the upper surface of the die-block 13 by an amount which is substantially equal to the thickness of the material from which the punching jig 3 is made, the uppermost periphery of the die 12 is chamfered at approximately 45 at the position designated by the reference numeral 14.
  • the diameter of the vertically extending portion of the die 12 is such that it is slightly smaller, say by 0.05 to 0.1 mm. than the diameter of the holes 6 in the punching jig 3.
  • the engagement of the extending portion of the die 12 in one of the holes 6 in the punching jig 3 is seen in FIG. 5. It will also be noted that the under surface of the component 1 rests on the upper surface of the die 12.
  • FIG. 6 this figure shows a component 15 which is required to be punched with 12 holes, six of which are of alike diameter and the other six of which are each different in diameter from each other.
  • the holes of like diameter are designated by the reference letter C and the holes of different diameter are designated by the reference letters "D, E, F,” G, H and l.”
  • FIG. 7 shows a punching jig l6 and guide plate 17 for the punching of the different sizes of holes in the component 15.
  • FIG. 8 shows a set up of seven punches and their respective dies for punching the holes of different diameter in the component 15.
  • the punches and respective dies have been designated by the same reference letters as the corresponding holes in the component 15 to be punched and the punching jig 16.
  • the dies are loose items which are mounted in a common die-block 18 while the corresponding punches are mounted in a conventional manner in the vertically operable ram 19 of the brakepress.
  • Plateaus such as 20 are rigidly affixed to the opposite sides of the dieblock 18 to support the punching jig 16 with its respective guide plate 17 carrying the component 15 during the punching operations.
  • the punching jig 16 with component 15 and guide plate 17 are located in the first punching position and in which position the six holes C" of the same diameter are punched (the term first punching position as used here defines the first of the seven positions along the common die-block at which punching is to take place).
  • FIGS. 9A-D The method and tools herein described are not confined to the punching of holes of circular form, and various forms of holes which may be punched are shown in FIGS. 9A-D:
  • FIGS. 9E, 9F, 9G, 9H, 9], 9K and FIGS. 9L, 9M, 9N, 9?, and 9R which are top and front views, respectively.
  • FIGS. 9E, 9F, 9G, 9H, 9] 9K and FIGS. 9L, 9M, 9N, 9?, and 9R which are top and front views, respectively.
  • FIG. 11A shows a part-sectioned pictorial view of the die 21 mounted in a die-block 23 and engaging a correspondingly shaped hole 24 in a punching jig 2S accommodating a component 26, which component is sandwiched between the punching jig 25 and a guide plate 27.
  • the punch 8 and its stripper 11 is shown in FIG. 115.
  • the respective strippers 11 of FIG. 5 are coded with three peripheral bands of color.
  • the color of the widest of the three bands denoting the diameter of the punch in tens of millimeters, the next widest denoting the diameter of the punch in whole millimeters and the narrowest band denoting the diameter of the punch in tenths of a millimeter.
  • FIG. 12 shows the widths of the bands of color on a stripper and which bands are designated 28, 29 and 30 respectively.
  • Such a color code may be as follows:
  • the diameter of a hole in a die is greater than the diameter of a corresponding punch by 5 percent of the material thickness to be punched (such a clearance may vary for particular classes of accuracy required in the final hole diameter and the material to be punched).
  • Dies may be color coded to indicate their diameters with clearance by providing four indentations in the upper surface of ever-decreasing diameter.
  • the sizes of such indentations in a die 12 are shown in FIG. 13, the largest to the smallest indicated by the reference numerals 32, 33, 34 and 35.
  • a punch press such as illustrated in FIG. 14 and designated by the reference numeral 36 may have a frame such as 37 fitted and from the horizontal member 38 of which two well-known types of balancer 39 are fitted.
  • These balancers house each a cable such as 40 which by spring means is held in a wound-up condition within the casing of the balancer.
  • the tension with which the cable may be maintained in the wound-up condition may be adjusted by a key 41.
  • These balancers have cable tensions that can be adjusted between wide limits.
  • the tension of certain types can be adjusted so that a pull of anywhere between I and kilos is required (according to the adjustment) to unreel the cable out of the casing of the balancer.
  • This tension can be used to counterbalance the weight of the punching jig 3, the component l and the guide plate 7.
  • Two hooks 42 are affixed to the free ends of the cables and these are arranged to engage in holes drilled in the handles 4 of the punching jig 3.
  • the angles which the cables make with respect to the casings of the balancers 39 and the punching jig 3 are such that irrespective of the position of the punching jig 3 with respect to the punch 8 and its stripper 11 these cables are free from the possibility of fouling the punch press.
  • a multiposition punching jig is employed such that with a component accommodated in the punching jig in one of the positions certain holes may be punched in the component via apertures in the punching jig which do not break through into each other, and such that when the component is accommodated in another position in the jig other holes which are closely spaced to the first punched holes may be punched via apertures which also do not break through into each other.
  • FIG. A there is shown a component 60 having a large hole 61 encompassed by four closely spaced smaller holes 62.
  • FIG. 158 there is shown a part ofa punching jig 63 with four apertures 64 for the punching of the four previously mentioned small holes, which break through into a center aperture 65 for the punching of the previously mentioned large hole 61. It will be seen that sufficient peripheral engagement of the large center hole with a corresponding die will obtain, but in the case of the four apertures 64 which break through" to the center aperture 65 there may not be sufficient peripheral engagement with a corresponding die and thus the possibility exists that dimensional inaccuracies between the centers of holes will result through misalignment between apertures in the punching jig and corresponding dies.
  • FIG. 15C there is shown a two-position punching jig 66 with a component 60 in each half.
  • the large hole 61 in the component may be punched when the component is accommodated in the left-hand half of the punching jig and the jig illustrated at FIG. ISD is utilized, and the component is punched with the four smaller holes 62 when it is accommodated in the right-hand half of the punching and the jig illustrated at FIG. 15E is utilized.
  • punching jigs with more than two positions can be employed when necessary in view of very closely spaced holes to be punched in a component.
  • the periphery of the extending portion of the die is either chamfered or radiused a certain amount of misalignment, between the die and an aperture, the misalignment will be taken up through the action ofthe die, in its vertical movement upward, engaging the peripheral edge of an aperture in the punching jig so that it is forced laterally into alignment. It is therefore proposed that the die should be raised just prior to effecting the punching operation and that punching is inhibited until there is full and proper engagement between the aperture in the punching jig and the die.
  • FIG. 16 A punching jig 98 with a component 99 to be punched and a guide plate 100 rest on the bed 73 of a press.
  • the misalignment of the die 67 and the aperture 101 is indicated with M.
  • the bed contains two pistons 91 and 92 which both extend above the upper surface 74 of the bed under the action of a spring and which can be depressed under the action of the weight of the punching jig, the component and the guide plate. In the depressed situation each piston closes a switch. Moreover, the die closes a third switch in its upper position.
  • the punching press is arranged in such a way that only when the three switches are closed can a punching operation be carried out.
  • FIG. 17 shows the situation whereby the punching jig with its contents is lifted by the die. So in this situation it is impossible to carry out the punching operation.
  • Certain components may have several groups of holes.
  • a group of holes in a component constitutes a punching position therein and by utilizing the methods described herein and adapted tools, groups of holes in a number of punching positions can be punched consecutively.
  • FIG. 18 shows a component 1 12 having six groups of holes. These holes, total three per group, are designated by the reference numbers 109, and 111.
  • the component 112 is 3 meters long and 30 centimeters wide and is of 3-millimeter mild steel.
  • the holes 109, 110 and 111 are of 6, l2 and 18 millimeters diameter respectively.
  • FIG. 19 shows a punching jig 113 for the component 112.
  • Two ends portions 114 are bent to form handles and similarly extending portions, 115 to inclusive, from opposite sides are also bent to form handles.
  • Other portions 122 of the two opposite sides are sharply bent to form upturned side portions by which means the component 112 is maintained immovable with respect to the punching jig 113 in the width coordinate.
  • the component 112 is maintained immovable in the length coordinate by two strips 123 which are spot welded to the punching jig 113.
  • the guide plate 124 has the same width and length dimensions as the component but is somewhat thinner, i.e., 1 millimeter.
  • the punching jig 113 and the guide plate 124 are both punched to provide apertures which are coaxial with the holes in the component 1 12 which are to be punched.
  • the tool shown in FIG. 20 includes a die set comprising a bolster 12S and a punchholder 126, the latter of which is guided in its movement relative to the former by two pillars 127 which run in bearings 128.
  • the dies 129, 130 and 131 for punching the holes 109, 110 and 111 in the component 112 are fitted directly into counterbored holes, corresponding to the group of holes to be punched, in the bolster 125.
  • a part cross-sectioned view of the positions of the dies 129, 130 and 131 in the bolster 125 and the positions of the corresponding punches 132, 133 and 134 in the punch holder are shown in FIG. 21, together with the associated strippers for the punches.
  • the punches 132, 133 and 134 are affixed and maintained in the punch holder 126 in counterbored holes by threaded bushes 135 having axial slots 136 by which means they may be screwed in the punchholder 126. These bushes are rendered shakeproof by a well-known liquid-type synthetic adhesive for metals. Alternatively, and as shown in the part-sectioned view of FIG. 22 by a well-known type of epoxy-resin filling 137 poured in the counterbored holes around the shanks and heads of the punches 132, 133 and 134. This type of punch fixing is more suitable for punches required to effect light punching operation.
  • Apparatus for punching material comprising:
  • a punching jig for retaining and transporting said material, said jig being formed with at least one aperture therein;
  • a guide plate provided with at least one aperture which is similar to and coincident with said at least one jig aperture, said material being located between said punching jig and said guide plate;
  • a punch and die aligned with said jig and guide plate apertures for punching said material, said jig aperture being engaged by said die to align said punch and die and wherein the upper periphery of said die extends through said jig aperture and the undersurface of said material rests on the upper surface of said die;
  • Apparatus for punching material according to claim 1, wherein the upper periphery of said die is chamfered so as to facilitate engagement between said die and jig aperture.
  • control means comprises a switch which is activated by contact between said under surface of said material and the upper surface of said die.
  • Apparatus for punching material according to claim 1, wherein the upper periphery of said die which engages said jig aperture is shaped so as to provide a desired rotational orientation between said die and said material.
  • Apparatus for punching material according to claim 4, wherein said punch, said die and said guide plate apertures are color coded with respect to size.
  • Apparatus for punching material comprising:
  • said jig being formed with at least one aperture therein;
  • a guide plate provided with at least one aperture which is similar to and coincident with said at least one jig aperture, said material being located between said punching jig and said guide plate;

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Punching Or Piercing (AREA)
  • Details Of Cutting Devices (AREA)
US883045A 1968-12-11 1969-12-08 Material punch Expired - Lifetime US3631753A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6817802A NL6817802A (xx) 1968-12-11 1968-12-11

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US3631753A true US3631753A (en) 1972-01-04

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US883045A Expired - Lifetime US3631753A (en) 1968-12-11 1969-12-08 Material punch

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US (1) US3631753A (xx)
JP (1) JPS4814232B1 (xx)
CH (1) CH521805A (xx)
DE (1) DE1961165A1 (xx)
ES (1) ES374415A1 (xx)
FR (1) FR2025896A1 (xx)
GB (1) GB1292466A (xx)
NL (1) NL6817802A (xx)
RO (1) RO56557A (xx)

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US4476753A (en) * 1982-08-09 1984-10-16 Allied Corporation Cut core apparatus
US4860622A (en) * 1986-10-07 1989-08-29 Interdibipack S.P.A. Machine for cutting sheet material by means of a dinking die
US5771768A (en) * 1996-03-05 1998-06-30 Malmstrom; Wayne Hole punch with quick-change die assembly
US6047623A (en) * 1996-03-05 2000-04-11 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6363826B1 (en) * 1996-03-05 2002-04-02 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6536321B2 (en) 1996-03-05 2003-03-25 Performance Design, Inc. Hole punch quick-change die assembly with clamp system
US6769339B2 (en) 2001-06-25 2004-08-03 General Binding Corporation Die set pin retainer
US20050129579A1 (en) * 2003-11-05 2005-06-16 Bizpac (Australia) Pty Ltd. System and method for analysing laboratory samples
US20070286955A1 (en) * 2006-06-09 2007-12-13 Honda Motor Co., Ltd. Method for producing fiber-reinforced composite
EP2080570A1 (en) * 2008-01-18 2009-07-22 Rexam Beverage Can Europe Limited Printing plates
FR2930903A1 (fr) * 2008-05-06 2009-11-13 Itecom Soc Par Actions Simplif Machine de poinconnage comportant deux rangees d'outils
WO2015010704A1 (de) * 2013-07-23 2015-01-29 Trumpf Werkzeugmaschinen Gmbh + Co. Kg System zur werkzeugverwaltung einer fertigungsanlage mit zumindest einer stanz-umformmaschine, fertigungsanlage sowie verfahren zum betreiben einer fertigungsanlage
CN104588477A (zh) * 2014-12-31 2015-05-06 苏州征之魂专利技术服务有限公司 一种小零件密集阵列拼接薄板及其冲压下模结构
CN105478586A (zh) * 2014-10-10 2016-04-13 苏州市三生电子有限公司 一种高利用率的咪头pcb板及其冲压下模结构
CN105478585A (zh) * 2014-10-10 2016-04-13 苏州市三生电子有限公司 一种咪头pcb板的冲压下模
US11148314B2 (en) * 2019-12-18 2021-10-19 The Vollrath Company, L.L.C. Manual food processor with removable cartridges
US20220034353A1 (en) * 2020-07-31 2022-02-03 Spirit Aerosystems, Inc. System including breakaway fasteners for fabrication of composite parts
NL2032553B1 (en) * 2022-07-20 2024-01-29 Van Dusseldorp Vincent Aligment tool and its method of manufacturing, and method for punching

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US2487542A (en) * 1944-07-18 1949-11-08 Gen Aniline & Film Corp Registration frame
US2701017A (en) * 1950-09-20 1955-02-01 Wiedemann Machine Company High-speed follower gauge and punch
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US4476753A (en) * 1982-08-09 1984-10-16 Allied Corporation Cut core apparatus
US4860622A (en) * 1986-10-07 1989-08-29 Interdibipack S.P.A. Machine for cutting sheet material by means of a dinking die
US5771768A (en) * 1996-03-05 1998-06-30 Malmstrom; Wayne Hole punch with quick-change die assembly
US6047623A (en) * 1996-03-05 2000-04-11 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6363826B1 (en) * 1996-03-05 2002-04-02 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6536321B2 (en) 1996-03-05 2003-03-25 Performance Design, Inc. Hole punch quick-change die assembly with clamp system
US6651540B2 (en) 1996-03-05 2003-11-25 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6748839B2 (en) 1996-03-05 2004-06-15 Performance Design, Inc. Hole punch quick-change die assembly with positioning system
US20040226428A1 (en) * 1996-03-05 2004-11-18 Marvin Whiteman Hole punch quick-change die assembly with pin strap and positioning system
US7036416B2 (en) 1996-03-05 2006-05-02 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6769339B2 (en) 2001-06-25 2004-08-03 General Binding Corporation Die set pin retainer
US20050129579A1 (en) * 2003-11-05 2005-06-16 Bizpac (Australia) Pty Ltd. System and method for analysing laboratory samples
US20070286955A1 (en) * 2006-06-09 2007-12-13 Honda Motor Co., Ltd. Method for producing fiber-reinforced composite
US7943075B2 (en) * 2006-06-09 2011-05-17 Honda Motor Co., Ltd. Method for producing fiber-reinforced composite
EP2080570A1 (en) * 2008-01-18 2009-07-22 Rexam Beverage Can Europe Limited Printing plates
FR2930903A1 (fr) * 2008-05-06 2009-11-13 Itecom Soc Par Actions Simplif Machine de poinconnage comportant deux rangees d'outils
WO2009138686A1 (fr) * 2008-05-06 2009-11-19 Itecom Machine de poinçonnage comportant deux rangées d'outils
WO2015010704A1 (de) * 2013-07-23 2015-01-29 Trumpf Werkzeugmaschinen Gmbh + Co. Kg System zur werkzeugverwaltung einer fertigungsanlage mit zumindest einer stanz-umformmaschine, fertigungsanlage sowie verfahren zum betreiben einer fertigungsanlage
CN105478586A (zh) * 2014-10-10 2016-04-13 苏州市三生电子有限公司 一种高利用率的咪头pcb板及其冲压下模结构
CN105478585A (zh) * 2014-10-10 2016-04-13 苏州市三生电子有限公司 一种咪头pcb板的冲压下模
CN104588477A (zh) * 2014-12-31 2015-05-06 苏州征之魂专利技术服务有限公司 一种小零件密集阵列拼接薄板及其冲压下模结构
US11148314B2 (en) * 2019-12-18 2021-10-19 The Vollrath Company, L.L.C. Manual food processor with removable cartridges
US20220034353A1 (en) * 2020-07-31 2022-02-03 Spirit Aerosystems, Inc. System including breakaway fasteners for fabrication of composite parts
US11988237B2 (en) * 2020-07-31 2024-05-21 Spirit Aerosystems, Inc. System including breakaway fasteners for fabrication of composite parts
NL2032553B1 (en) * 2022-07-20 2024-01-29 Van Dusseldorp Vincent Aligment tool and its method of manufacturing, and method for punching

Also Published As

Publication number Publication date
FR2025896A1 (xx) 1970-09-11
ES374415A1 (es) 1972-01-01
DE1961165A1 (de) 1970-10-01
GB1292466A (en) 1972-10-11
JPS4814232B1 (xx) 1973-05-04
RO56557A (xx) 1975-01-15
CH521805A (de) 1972-04-30
NL6817802A (xx) 1970-06-15

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