US3800641A - Blank punching method and apparatus - Google Patents

Blank punching method and apparatus Download PDF

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Publication number
US3800641A
US3800641A US00171520A US17152071A US3800641A US 3800641 A US3800641 A US 3800641A US 00171520 A US00171520 A US 00171520A US 17152071 A US17152071 A US 17152071A US 3800641 A US3800641 A US 3800641A
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United States
Prior art keywords
pressure plate
knives
rollers
punching
pressure
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Expired - Lifetime
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US00171520A
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English (en)
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E Spengler
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Classifications

    • 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
    • B26F1/42—Cutting-out; Stamping-out using a press, e.g. of the ram type having a pressure roller
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
    • A43D8/02—Cutting-out
    • A43D8/04—Stamping-out
    • 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
    • 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
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • 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
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F2210/00—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products
    • B26F2210/12—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of fabrics
    • B26F2210/16—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of fabrics the cutting machine comprising a cutting die
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/929—Particular nature of work or product
    • Y10S83/936—Cloth or leather
    • Y10S83/939—Cloth or leather with work support
    • 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
    • Y10T83/04—Processes
    • Y10T83/0524—Plural cutting steps
    • Y10T83/0577—Repetitive blanking
    • 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
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • 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
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8702—Clicker die press
    • Y10T83/8703—With die handling attachment

Definitions

  • the invention relates to a method and apparatus for punching out blanks or work pieces from sheet or foillike materials, for example textile fabrics, leather, cardboard, rubber or the like.
  • US. Pat. No. 2,168,400 granted to A.J. Evers on Aug. 8, 1939 describes a method for separating blanks from sheet material by means of cooperating pressure rollers, as well as upper and lower pressure plates and shaped wires effecting a pressure separation rather than a cutting operation.
  • This known apparatus further requires a reciprocating bed for the lower pressure plate which may be an integral part of such reciprocating bed. Further a return carriage for the upper pressure plate is required.
  • the use of a reciprocating bed requires a reversing motor'which also reverses the direction of rotation of the pressure rollers. This is not efficient due to the substantial masses which must be accelerated and decelerated during each working cycle.
  • US. Pat. No. 3,301,110 granted to H.L. Stegner on Jan. 31,1967 discloses a roller operated punching apparatus in which a plurality of rollers cooperate to effectuate a progressive rather than a single impact as in vertical stamping presses.
  • Another object of the invention is to provide. a die I SUMMARY oF THE INVENTION
  • the punch knives are laid on the material and covered by the pressure plate, the pressure plate is returned automatically by the rotation of the punch rollers after the punching and restored to the initial position for cooperation with the next set or stack to be punched.
  • the method may be carried out in such a manner that after the pressure plate has been removed after the punching out, the punch knives are located electromagnetically and removed automatically from the material in the form of a positional pattern which is restored to its initial position and deposited on the material for the next operation, aligned, if necessary after being laid down and covered by the pressure plate for the next punching operation.
  • a punching apparatus wherein a stationary table with conveyor rollers fora punch set or stack is disposed upstream of a roller punching device as viewed in the direction of work flow.
  • a further stationary table is arranged downstream of said roller punching device.
  • Supporting rollers for raising and lowering a pressure plate are provided above said stationary tables whereby the pressure-plate can be returned to its starting position by the rotation of the upper pressure roller.
  • electromagnetic rods may be movably mounted in a separate, movable frame so that it can be pushed on to the supporting rollers which can be raised and lowered for the pressure plate, instead of the pressure' plate.
  • the punching knives may be equipped with iron cores, preferably constructed in the form of ejectors for cooperation with the electromagnets.
  • FIG. 1 shows in section a view of a set or stack complan view of a modified form of construction of the apparatus according to the invention
  • FIG. 12 shows an end view in the direction of the arrow XII in FIG. 11;
  • FIG. 13 shows in section a detail on a larger scale
  • FIG. 14 illustrates diagrammatically a manner of feeding the set or stack through a gap between two pressure rollers during a punching operation
  • FIG. 15 illustrates a view similar to FIG. 14 but showing an improved manner and device for feeding the set or stack through said gap between the pressure rollers during a punching operation;
  • FIG. 16 illustrates a modification of a device according to the invention employing plan-parallel guide means for supporting the guide rails or rollers.
  • EMBODIMENTS strip steel punch knives 2 placed on one or more layersof sheet or web material 1 to be cut. The knives are covered by a pressure plate 4. The material 1 rests on a base plate 3. These fourparts together form said punch stack P quite similar to a sandwich to which pressure is applied as indicated at 6.
  • the stack P is assembled on a first stationary table 10 (see FIGS. 2 and 3), and passed through a punching device to a second stationary table 11.
  • a punching device to a second stationary table 11.
  • the pressure plate 4 is automatically lifted from the punch knives 2 and restored to an initial position on the punch knives for the next operation as will be described in more detail below. Since FIGS. 2 and 3 are top plan views, the punch knives are not visible.
  • the return of the pressure plate 4 may be effected as shown in FIG. 2 by passing it above the punching device 5 or as shown in FIG. 3 by passing it to the side of the punching device 5, as indicated by the dashed arrows.
  • a device suitable for carrying out the method according to the invention comprises a punching device 5 which is illustrated in FIG. 4 as a bridge punch and in FIG. 5 and 6 as a pressure roller punch.
  • the stationary tables 10 and 11 are provided with conveyor rollers 12 for supporting the punch stack P. As viewed in the direction of work advance the table 10 isarranged upstream and the table 11 is arranged downstream of the punching device 5.
  • the tables l0, 11 may be constructed in any desired manner and may be mounted on suitable pedestals 13, 14, for example.
  • Each table 10 and 11 respectively is provided along its longitudinal sides with supporting rollers 15, which can be raised and lowered, for supporting the pressure plate 4.
  • the supporting rollers 15 may be mounted in rails 16.
  • the rails 16 with the supporting rollers 15 can be raised and lowered by means of bell-crank levers l7 and linkages 18.
  • the rails 16 extending longitudinally adjacent each side of each of the tables 10 and 11 can be moved vertically up and down by the means 17, 18.
  • Each rail is provided with rollers 15 for supporting only the edges of the pressure plate 4, so that the rollers 15 associated with table 11 can pick up the pressure plate 4 without interfering with the remainder of the stack P, and the rollers 15 associated with the table 10 can place the pressure plate 4 on a stack P on this table without disturbing the stack.
  • the punch stack P is initially on the table 10 in front of the punching device 5.
  • the punch stack P is then conveyed through the punching device 5 in the direction of work advance indicated by the arrow 19.
  • the punch stack P is on the table 11. In this position, the pressure plate 4 is automatically lifted from the punch knives 2 by the rails 16 with rollers 15, and is then in the position shown in FIG. 5. The means for the automatic lifting will be described with reference to FIG. 16.
  • the pressure plate 4 may first be conveyed laterally out of the working direction by means of suitable mechanical devices not illustrated,- and brought around the punching device onto the table 10 in front of the punching device.
  • the punching knives 2 may be placed individually on the material 1 on the table 10 or a plurality of punch knives 2 may be mounted with very slight spacings between the strip steel knives, on a common base plate (not shown) and laid on the material 1 in this form.
  • FIGS. 7 to 13 It is possible after lifting the pressure plate 4 following punching out as shown in FIG. 5, to locate the punch knives 2 electromagnetically and lifting them automatically from the material 1 in the form of a positional pattern, and restoring them to the initial position.
  • the device serving this purpose is illustrated in FIGS. 7 to 13.
  • FIG. 7 illustrates the discharge end of the punching apparatus as shown in the right-hand portion of FIG. 5.
  • a device M with a magnetic frame 35 is arranged for removing the positional pattern formed by the punching knives 2.
  • the magnetic frame 35 is mounted at a suitable height on a stand 41. Following a punching operation, instead of being directly returned to the side upstream of the device 5, the pressure plate.4 is pushed onto the magnetic frame 35 by rollers 15. Then the magnetic frame 35, together with the'pressure plate 4 resting thereon, is moved from the device M onto the rollers 15 of the rails 16 as shown in FIG. 8 and lowered onto the punching knives 2.
  • the frame 35 includes a plurality of transversely extending electromagnets 32.
  • the ends of the electromagnets 32 are provided with rollers 34 (see FIG. 13) which ride in the frame 35 to permit adjustment of the electromagnets.
  • the electromagnets are adapted to be connected to a suitable source of current to energize the magnets.
  • the punch knives 2 may be provided with iron cores 33, which cooperate with the electromagnets so that the knives are automatically attached to the electromagnets when the frame is positioned on top of the punching knives and the electromagnets 32 are energized.
  • the current of the source is turned on to energize the electromagnets, and thereby connect the punching knives to the frame 35.
  • the unit which is formed by this means comprises the punching knives 2 located in the form of a positional pattermthe magnetic frame 35 and the pressure plate 4. As in the preceding embodiment of FIG. 3, this unit is brought to a table at the side of the machine as shown in FIG. 9.
  • a portable table as shown in FIG. may be employed.
  • the pressure plate is first removed from the upper side of the magnetic frame 35 which is then lowered onto an uncut stack of material before the next punching operation.
  • the current is then switched off and the magnetic frame is raised from the punching knives, thereby leaving the punching knives on the material.
  • the punching knives are aligned (e.g. manually) if necessary and thereafter, the pressure plate is lowered onto the punching knives by means of the devices described previously, whereupon the operation is repeated.
  • hand levers 37 shown in FIGS. 10-13 may be pivotally mounted on frame 35, and biased by means of compression springs 36.
  • a pressure shoe 38 extends along the length of the frame 35 on each side thereof, as shown in FIGS. 11 and 13, and the springs 36 urge the levers against the shoes 38 to hold the pressure plate4 against the top of the bar electromagnets.
  • the shoes 38 may be manually released by means of levers 37.
  • the mode of operation with the frame 35 and its electromagnets 32 has the advantage of being rather simple since the punch knives may be laid out by hand before the first o'peration, whereupon the punching operation can be repeated as often as desired with the same arrangement of punching knives because the positional pattern is maintained and visible at any time in the open magnetic frame filled only by the electromagnets 32.
  • Another advantage is the ease with which the pattern may be rearranged or adjusted, if required. Adjustment'is, for example, necessary where the pattern'of a textile material requires a very precise alignment 'of the punching knives depending on the course of the threads of the material.
  • FIG. 14 illustrates on a relatively enlarged scale one arrangement that may be employed for feeding .
  • the stack P through a punching device 5 comprising upper and lower pressure rollers and 51 respectively which, according to the invention are driven continuously in the same direction-In FIG. 14 the upper horizontal surface formed by the conveyor rollers 12 upstream and downstream of the punching device, is at the same level as the top of the bottom pressure roller 51, that is, the plane of the tops of the rollers 12 extends, tangentially to the top of the pressure roller 51 and perpendicularly to the plane through the axes of the two pressure rollers 50 and 51.
  • FIG. 14 illustrates on a relatively enlarged scale one arrangement that may be employed for feeding .
  • the stack P through a punching device 5 comprising upper and lower pressure rollers and 51 respectively which, according to the invention are driven continuously in the same direction-In FIG. 14 the upper horizontal surface formed by the conveyor rollers 12 upstream and downstream of the punching device, is at the same level as the top of the bottom pressure roller 51, that
  • the feeding arrangement according to FIG. 15 the plane of the top surfaces of the rollers 12 is again normal to theplane through the axes of the pressure rollers 50,51 but it is now displaced downwardly toward the axis'of the lower roller 51.
  • the leading edge 55 of the base plate 3 engages the lower roller so that the lower roller lifts the plate 3 from the rollers 12 closest to the punching device 5, as illustrated in FIG. 15.
  • the figure illustrates the downward displacement A of the rollers 12, which has been found to prevent buckling of the knives 2 and also to prevent the formation of a travelling wave in the material, as
  • the length of the displacement A will be selected in accordance with the thickness of the stack P and the flexibility of the material to be cut as well as with regard to the width of the gap between the rollers 50 and 51 and the diameters of the rollers 50 and 51.
  • a pair of vertical guide posts is provided adjacent each guide rail 16, and guide bearings or sleeves 61 are affixed to guide the rails 16 for the vertical movement.
  • the upper ends of the guide posts may be firmly held against movement, for example, by means of interconnecting structural frame members 62.
  • the arrangement shown in FIG. 16 for guiding the rails 16 in their vertical movement is purely illustrative.
  • levers 65 may be provided. The lower ends of these levers are connected to rollers 66 which ride inthe slots 67 of horizontally slotted members68 affixed to the guide rails 16.
  • the levers 65 at each side of the punching device are interconnected by a suitable pivoted coupling rod 69, and each lever and rod assembly is operatively' coupled, for example, by way of hydraulic control members 70, to a central operating control device 71 such as hydraulic drive means.
  • the pressure plate 4 is returned after a punching operation by raising it and passing it over the upper pressure roller 50 whereby the horizontal return drive results from the contact between the upper ridge of the pressure roller 50 and the pressure plate 4 to effect the movement of the pressure plate.
  • This return operation may be automatically effected.
  • a suitable sensor 75 may be employed to detect the presence of the pressure plate 4, or the rails 16, in such a position that the pressure plate is ready to be returned.
  • the sensor 75 may be any suitable sensor, such as a pressure sensor or a contact switch.
  • the sensor 75 is coupled to a device 76 suitably mounted to urge the pressure plate into contact with the top ridge of the upper roller 50, so that the roller 50 carries the pressure plate back across the top of the punching device and onto the roller associated with the table 10.
  • the device 76 may be a hydraulic cylinder, or an electric solenoid, operated in conventional fashion by the sensor 75.
  • the sensor 75 and device 76 are mounted by any conventional means for the above purpose. I
  • the raising and lowering is also effected in response to sensing means, such as trip dogs (not shown) which sense the position of the stack.
  • a method of punching out blanks from sheet material by means of strip-steel punch knives and a pressure plate comprising placing said material on a base plate,
  • step of returning said pressure plate comprises raising said pressure plate, inserting magnetic means between said pressure plate and said knives for arranging the knives in a predetermined positional pattern whereby said magnetic means operates to retain said knives in said pattern, and returning said pressure plate and magnetic means with the knives attached thereto to said initial position on said different material.
  • An apparatus for punching out blanks from sheet material by means of strip-steel punching knives and a pressure plate comprising a punching device having a feeding input and an output, first conveyor means located upstream of said feeding input as viewed in the direction of work flow and second conveyor means located downstream of said output for feeding a stack comprised of a base plate, material to be punched, strip-steel punching knives, and a pressure plate through said punching device, said apparatus further comprising first and second carrier roller means movably supported above said first and second conveyor means respectively for selectively raising and lowering said pressure plate for returning it to its upstream starting position.
  • said punching device is a rolling mill having an upper pressure roller and a lower pressure roller with a gap therebetween for passing said stack through the gap, and drive shafts for continuously driving said rollers in the same direction whereby the rollers rotate in opposite directions.
  • said first conveyor means upstream of said punching device comprise a plurality of conveyor rollers arranged side by side in a row with parallel axes which are also parallel to the axes of said pressure rollers, the top of said conveyor rollers defining a first plane which is displaced downwardly from a second plane extending horizontally and tangentially to the top of said lower pressure roller.
  • said means for passing comprises means. for sensing a pressure plate raised by said second carrier roller means to the level of the top of said upper pressure 'roller, and means responsive to said sensing means for urging the pressure plate into rolling contact with said upper pressure roller.
  • the apparatus of claim 3 comprising a frame, electromagnetic means in said frame, means at said output for moving a pressure plate from said second carrier roller means onto said electromagnetic means, and means for clamping said pressure plate to said electromagnetic means and for returning said assembled pressure plate and electromagnetic means onto punch knives at said second conveyor means, whereby said electromagnetic means hold said punch knives in determined positions relative to each other.
  • said electromagnetic means comprise elongated electromagnets having rollers at their ends, and a track in said frame in which said last mentioned rollers are guided, whereby said electromagnets can be selectively positioned in said frame.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
US00171520A 1968-12-17 1971-08-13 Blank punching method and apparatus Expired - Lifetime US3800641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681815115 DE1815115B2 (de) 1968-12-17 1968-12-17 Rollenstanze

Publications (1)

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US3800641A true US3800641A (en) 1974-04-02

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US00171520A Expired - Lifetime US3800641A (en) 1968-12-17 1971-08-13 Blank punching method and apparatus

Country Status (9)

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US (1) US3800641A (de)
AT (1) AT305189B (de)
CH (1) CH492530A (de)
DE (1) DE1815115B2 (de)
DK (1) DK125658B (de)
ES (1) ES373420A1 (de)
FR (1) FR2026321A1 (de)
GB (1) GB1277507A (de)
NL (1) NL6917121A (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867859A (en) * 1974-02-06 1975-02-25 John L Hirons Machine for forming indicia for sand blasting
US4092890A (en) * 1977-03-29 1978-06-06 Etablissements Tiflex Societe Anonyme Stencil-cutting machine
US4685363A (en) * 1985-05-22 1987-08-11 Gerber Scientific, Inc. Apparatus and method for supporting and working on sheet material
US4860622A (en) * 1986-10-07 1989-08-29 Interdibipack S.P.A. Machine for cutting sheet material by means of a dinking die
US5012713A (en) * 1989-12-18 1991-05-07 Progressive Service Die Company Die power pack for cutting apparatus
US20070292575A1 (en) * 2004-09-23 2007-12-20 Alon Ofir Machinery And Method For Manufacturing Shaped Pita Bread
CN105256083A (zh) * 2015-10-23 2016-01-20 苏州天裁纺织工艺品有限公司 一种耳套外皮用输送切割机构
US20170241058A1 (en) * 2016-02-23 2017-08-24 Nike, Inc. Non-rigid material multi-frame manufacturing apparatus
CN113954139A (zh) * 2021-10-25 2022-01-21 盐城工学院 一种秸秆建筑板材成型裁断机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567060B1 (fr) * 1984-07-06 1987-01-23 Forest Line Sa Dispositif de decoupe de materiaux
GB8821041D0 (en) * 1988-09-07 1988-10-05 Team Tool Co Ltd Rotary die-cutting presses

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US835522A (en) * 1905-01-19 1906-11-13 Charles Leander Higgins Rubber-cutting machine.
US2121004A (en) * 1933-09-23 1938-06-21 Detroit Gasket & Mfg Co Method of cutting material
US2168400A (en) * 1937-11-18 1939-08-08 Cottrell C B & Sons Co Method of separating blanks from sheet material
US2788069A (en) * 1954-11-30 1957-04-09 Cluett Peabody & Co Inc Method and means of subdividing sheet material into pieces
US3077807A (en) * 1962-07-23 1963-02-19 Falls Engineering And Machine Roller die apparatus
US3301110A (en) * 1964-12-07 1967-01-31 Blankmaster Inc Means and method of roll forming and punching
US3570340A (en) * 1968-02-13 1971-03-16 Packaging Ind Inc Roller diecutting machine or the like

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US835522A (en) * 1905-01-19 1906-11-13 Charles Leander Higgins Rubber-cutting machine.
US2121004A (en) * 1933-09-23 1938-06-21 Detroit Gasket & Mfg Co Method of cutting material
US2168400A (en) * 1937-11-18 1939-08-08 Cottrell C B & Sons Co Method of separating blanks from sheet material
US2788069A (en) * 1954-11-30 1957-04-09 Cluett Peabody & Co Inc Method and means of subdividing sheet material into pieces
US3077807A (en) * 1962-07-23 1963-02-19 Falls Engineering And Machine Roller die apparatus
US3301110A (en) * 1964-12-07 1967-01-31 Blankmaster Inc Means and method of roll forming and punching
US3570340A (en) * 1968-02-13 1971-03-16 Packaging Ind Inc Roller diecutting machine or the like

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867859A (en) * 1974-02-06 1975-02-25 John L Hirons Machine for forming indicia for sand blasting
US4092890A (en) * 1977-03-29 1978-06-06 Etablissements Tiflex Societe Anonyme Stencil-cutting machine
US4685363A (en) * 1985-05-22 1987-08-11 Gerber Scientific, Inc. Apparatus and method for supporting and working on sheet material
US4860622A (en) * 1986-10-07 1989-08-29 Interdibipack S.P.A. Machine for cutting sheet material by means of a dinking die
US5012713A (en) * 1989-12-18 1991-05-07 Progressive Service Die Company Die power pack for cutting apparatus
US20070292575A1 (en) * 2004-09-23 2007-12-20 Alon Ofir Machinery And Method For Manufacturing Shaped Pita Bread
CN105256083A (zh) * 2015-10-23 2016-01-20 苏州天裁纺织工艺品有限公司 一种耳套外皮用输送切割机构
US20170241058A1 (en) * 2016-02-23 2017-08-24 Nike, Inc. Non-rigid material multi-frame manufacturing apparatus
CN113954139A (zh) * 2021-10-25 2022-01-21 盐城工学院 一种秸秆建筑板材成型裁断机
CN113954139B (zh) * 2021-10-25 2023-07-04 盐城工学院 一种秸秆建筑板材成型裁断机

Also Published As

Publication number Publication date
NL6917121A (de) 1970-06-19
FR2026321A1 (de) 1970-09-18
CH492530A (de) 1970-06-30
GB1277507A (en) 1972-06-14
DK125658B (da) 1973-03-19
DE1815115A1 (de) 1970-09-10
ES373420A1 (es) 1972-02-01
DE1815115B2 (de) 1973-02-01
AT305189B (de) 1973-02-12

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