US3777661A - Method and device for marking sheets through stencils - Google Patents

Method and device for marking sheets through stencils Download PDF

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Publication number
US3777661A
US3777661A US00157107A US3777661DA US3777661A US 3777661 A US3777661 A US 3777661A US 00157107 A US00157107 A US 00157107A US 3777661D A US3777661D A US 3777661DA US 3777661 A US3777661 A US 3777661A
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US
United States
Prior art keywords
stencil
sheet
marking
pair
conveyors
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
US00157107A
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English (en)
Inventor
E Abe
K Tsukihashi
H Aiko
T Okamoto
K Yamashita
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
Shinko Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP45066755A external-priority patent/JPS4949561B1/ja
Priority claimed from JP45092511A external-priority patent/JPS4819373B1/ja
Application filed by Kobe Steel Ltd, Shinko Electric Co Ltd filed Critical Kobe Steel Ltd
Application granted granted Critical
Publication of US3777661A publication Critical patent/US3777661A/en
Assigned to KOBE STEEL LTD. reassignment KOBE STEEL LTD. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SHINKO ELECTRIC CO., LTD.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers

Definitions

  • a sheet to be marked is delivered to a marking station in succession by a second conveyor.
  • Stencils for desired marks are prepared at a punching station and forwarded by a first conveyor to the marking station and registered on the sheet to be marked.
  • Pigment sprayer means in the marking station directs pigment jets onto the stencils for urging the stencils to the sheet, so as to print the marks carried by the stencils onto the sheet by the pigment jets.
  • This invention relates to a method and a device for marking a sheet through stencils, and more particularly to an improved method and a device for automatically delivering a sheet to be printed and one or more stencils toward a marking station wherein pigment jets are directed to the sheet through the stencils for marking the sheet through the tencils.
  • Preparation of stencils for marking a sheet or sheets, such as iron sheets, is carried out by a puncher, for instance by an automatic puncher controlled by an electronic computer.
  • the .stencil thus prepared is overlaid on the sheet, so as to print the mark carried by the stencil onto the sheet by spraying pigment through the stencil.
  • the marking process of the aforesaid type is effected on a sheet or sheets of primary industrial products, e.g., iron sheets, and the marking should preferably be effected immediately after the sheets are produced, e.g., iron sheets as hot rolled, for optimizing the overall efficiency of the iron sheet production.
  • stencils made of conventional material such as cardboard
  • the marking is usually carried out after the iron sheets are cooled, but the handling of the cooled iron sheets is time-consuming and tends to jeopardize the efficiency.
  • an object of the present invention is to obviate the aforesaid difficulties of conventional marking process and device, by providing an improved method and a device for marking through stencils in a simple and effective manner.
  • a method for marking a sheet through a stencil which comprises steps of punching a stencil by boring holes representing marks to be printed; feeding the stencil to a marking station along a first path; feeding a sheet to be marked to the marking station through a second path perpendicular to the first path so as to place a certain spot of the sheet below the stencil at the marking station; and directing pigment jets to the stencil from the above for urging the stencil toward the sheet and imprinting the mark on the sheet at the certain spot by the pigment jets.
  • a device for marking a sheet through a stencil which comprises a punching station having means for punching stencil holes representing marks to be imprinted; a first conveyor means for holding and carrying the stencil to a marking station; a stencil-feeding means transferring the stencil from the punching station to the first conveyor means; a second conveyor means carrying a sheet to be marked to the marking station; a stencil-removing means removing the stencil away from the first conveyor means; a pigment sprayer means disposed in the marking station and producing pigment jets; a control means holding the first and second conveyor means so as to keep the stencil in registration with the sheet in the marking station, means for directing said jets toward the stencil while holding the two conveyor means for marking the sheet through the stencil by the pigment jets, restarting the two conveyor means upon marking, loading the first and second conveyor means with a fresh stencil and a fresh sheet, respectively, and removing the used stencil out of the first conveyor means.
  • FIG. 1 is a schematic elevational view, illustrating a marking device according to the present invention:
  • FIG. 2 is a sectional view, taken along the line A-A' of FIG. 1;
  • FIG. 3 is a partial plan view of the marking device, taken from the direction of the arrows 8-3 of FIG. 1;
  • FIG. 4 is a diagrammatic illustration of a process for preparing stencils according to the present invention.
  • FIGS. 5 and 6 are schematic views, showing the process at the instant of marking through a stencil.
  • first and second inner conveyors 1 and l are disposed substantially in parallel with each other, while keeping a suitable spacing therebetween.
  • the spacing between the two inner conveyors l and 1' is slightly shorter than the width of a stencil M to be moved by the conveyors, which width is taken at right angles to the travelling direction of the stencil M under the guidance of the conveyors 1 and 1'. Accordingly, the conveyors l and l engage the stencil M at positions slightly inside of the opposing edges of the stencil.
  • the first inner conveyor 1 is driven by a motor 2a through a driving roll 2 and it is guided by driven rolls 3 and 4 in a counterclockwise direction, as seen in FIG. 1.
  • the second inner conveyor 1' is guided and driven by similar rolls and motor (not shown).
  • First and second outer conveyors 5 and 5' travel in parallel with the first and second inner conveyors l and 1', respectively.
  • the first pair of the inner and outer conveyors l and 5 act to hold the opposite surfaces of the stencil M along a first edge thereof
  • the second pair of the inner and outer conveyors 1 and 5' act to hold the opposite surfaces of the stencil M along a second edge thereof, the second edge being in parallel with the first edge, as shown in FIG. 2.
  • the first outer conveyor 5 is driven in a counter-clockwise direction by a motor 6a through a driving roll 6 and it is guided by driven rolls 7 to 10, as shown in FIG. 1.
  • the second outer conveyor 5 is supported and driven by similar rolls and motor (not shown).
  • the driven rolls 9 and 10 for the first outer conveyor roll are disposed immediately below the driven rolls 2 and 3 for the first inner conveyor 1, for ensuring the parallel movement of the two conveyors in the section between the rolls 3, to the rolls 2, 9. Similar arrangement is made for the corresponding driven rolls for the second pair of conveyors 1' and 5'.
  • the driving roll 6 and the driven rolls 7, 8 are disposed above a horizontal plane defined by the axes of the other driven rolls 9, 10, but it is also possible to dispose the rolls 6, 7, and 8 below such plane.
  • the outer conveyor 5 travels below the inner conveyor 1 throughout its entire path, which is partially shown in FIG. 1 by dotted lines 5a.
  • Two pairs of metallic holders 11, 1' and 12, 12' act to slidably hold the lower surface of the outer conveyors 5, 5 in the section between the driven rolls 9 and 10, so as to prevent the outer conveyors 5, 5' from sagging.
  • the inner and outer conveyors 1, 1', 5, 5' are held straight.
  • a sheet K to be marked such as an iron sheet
  • a sheet K to be marked is delivered to a position immediately below the conveyor section between the metallic holders 11, 11' and l2, 12, with a suitable spacing from the outer conveyors 5, 5', as shown in FIGS. 1 and 2.
  • the delivery of the sheet K is effected by a sheet conveyor assembly 13, which may include rollers 13a1, 13a2, driven by an electric motor (not shown).
  • the sheet conveyor assembly l3 delivers the sheet K in a direction perpendicular to the travelling direction of the conveyors 1, l, 5, and 5' for the stencils M.
  • First and second pigment sprayers l4 and 15 are disposed above the inner conveyors 1 and 1 in a section between the holders ll, 11 and the holders 12, 12', with a suitable vertical spacing from the conveyors.
  • a distance L is provided between the two pigment sprayers 14 and 15, along the travelling direction of the inner and outer conveyors, as shown in FIG. 1.
  • That section of the device which includes the sprayers 14, 15, the parallel straight portions of the inner and outer conveyors l, 1 5, 5 between the two pairs of the metallic holders ll, 11 and 12, 12, and a portion of the sheet conveyor assembly 13 immediately below the parallel straight portions of the former conveyors, constitutes a marking station.
  • a stencil-feeding station is formed on the outer conveyors 5, 5 at a position upstream of the marking station, by means of a stencil-feeding conveyor assembly 16.
  • the assembly 16 may include rollers 16a1, 16a2, l6a3, and 16a4, which are driven by a suitable motor (not shown).
  • the stencil-feeding conveyor assembly 16 is vertically reciprocable, for instance, by means of a suitable hydraulic cylinder (not shown), so that the top plane of the rollers 16a1 to l6a4 may be brought to a level flush with the plane of the upper surface of the first and second outer conveyors 5 and 5'.
  • a stencil-removing station is formed on the outer conveyors 5, 5' at a position downstream of the marking station, by means of a stencil-removing conveyor assembly 17.
  • the assembly 17 may include rollers 17al, 17a2, l7a3, and 1704, which are driven by a suitable motor (not shown).
  • the stencibremoving conveyor assembly 17 is vertically reciprocable, for instance, by means of a suitable hydraulic cyclinder (not shown), so that the top plane of the rollers 1701 to l7a4 may be brought to a level flush with the plane of the upper surface of the first and the second outer conveyors 5 and 5.
  • a stencil-punching station is formed at a position adjacent the stencil-feeding station but offset from the path of the outer conveyors 5 and 5'.
  • the stencilpunching station may include a first puncher 18 and a second puncher 19, so as to punch two stencils M1 and M2 at a time.
  • the marks to be punched on the two stencils M1 and M2 by the different punchers 18, 19 may be the same or may be different from each other, depending on the need of each application.
  • the stencils punched by the punchers 18, 19 are fed onto the outer conveyors 5, 5'. It is preferable to provide the same distance L between the two punchers 18, 19 as the distance between the two pigment sprayers 14, 15.
  • the inner and outer conveyors l, 1', 5, 5', the metal sheet conveyor assembly 13, the stencilfeeding conveyor assembly 16, and the stencilremoving conveyor assembly 17 are actuated.
  • the sheet K to be marked e.g., an iron heet
  • the conveyor assembly 13 is de-energized. More particularly, that spot of the iron sheet K which is to be marked is brought underneath the outer conveyors 5, 5' at a position between the two pairs of the metallic V holders 11, 11' and 12, 12'.
  • Two stencils M1 and M2, which have been punched by the punchers 18 and 19, respectively, are transferred onto the stencil-feeding conveyor assembly 16 then held at a raised position above its lower position shown in FIG. 1.
  • the punching by the punchers 18 and 19 is, of course, to bore holes on the stencils M1 and M2, which holes represent'marks to be imprinted on the iron sheet K.
  • the rollers 16111 to 1604 are driven so as to bring the stencils M1 and M2 to the proper position wherein the stencils lie above thw two outer conveyors 5 and 5.
  • the rollers 16111 to l6a4 are stopped, and a hydraulic cylinder (not shown) is actuated to lower the stencil-feeding conveyor assembly 16, so as to transfer the stencils M1 and M2 onto the outer conveyors 5 and 5'. After the transfer, the conveyor assembly 16 returns to its lower position, as shown in FIG. 1.
  • the outer conveyors 5 and 5' carry the stencils M1 and M2 to the right, as seen in FIG. 1, so as to hold the stencils M1 and M2 by the inner conveyors 1, 1' and the outer conveyors 5, 5'.
  • the inner and outer conveyors l, 1', 5, 5' come to rest.
  • the two stencils M1 and M2 are located immediately below the two pigment sprayers 14 and 15, respectively, as shown in FIG. 1.
  • the pigment jets from the sprayers l4 and are stopped, and the inner and outer conveyors l, 1', 5, 5' are restarted, so as to move the two stencils M1 and M2 onto the stencilremoving conveyor assembly 17.
  • the assembly 17 is raised by a hydraulic cylinder (not shown) from its lower position, as shown by the arrows in FIG. 1, so that the plane of the top surface of the rollers 17a1 to 17a4 of the assembly 17 is brought to a level flush with the upper surface of the outer conveyors 5, 5' before the two stencils M1 and M2 are delivered onto the rollers 17a1 to 17a4.
  • the rollers 17a1 to 17a4 are actuated, while further raising the assembly 17 by the hydraulic cylinder (not shown).
  • the two stencils M1 and M2 are removed from the path of the conveyors 5 and 5' and out of the marking device. Then, the stencil-removing conveyor assembly 17 is returned to its lower position, as shown in FIG. 1.
  • rollers 13al, 13a2 are actuated to move the iron sheet thus marked out of the marking device.
  • the marking device completes one marking cycle, and becomes ready for next marking cycle.
  • the stencil-feeding conveyor assembly 16 may be formed into two parts, one part having rollers l6a1 and 16a2 and another part having rollers l6a3 and l6a4, so that the two parts are vertically reciprocated in a completely independent fashion.
  • the part having the roller 16:13 and 16a4 may be lowered before the other part of the stencil-feeding conveyor assembly 16, so that the stencil M2 may be transferred onto the conveyors 5 and 5 before the other stencil M1.
  • the conveyors 5 and 5' carry the stencil M2 away from the stencil M1 until the distance between the two stencils M1 and M2 becomes identical with the distance L between the two sprayers 14 and 15, the other part of the stencil-feeding conveyor assembly 16 may instantly be lowered to cause the stencil M1 to be forwarded by the conveyors 5 and 5' with a lagging distance L from the stencil M2. Similar modification can easily be effected for the case when the distance L is longer than the distance L.
  • the number of the stencils, the punchers, and the sprayers is not limited in number to two, as shown in the illustrated embodiment. Any suitable number of such parts can be used, so as to meet the therefrom.
  • the stencils M1 and M2 can be kept intact by beingprotected from the heat from such hot iron sheet.
  • the outer conveyors 5 and 5' should preferably be made of steel and the stencils M1 and M2 should preferably be made by superposing a metal foil, e'.g., aluminum foil on a cardboard at the surface facing the sheet K. More particularly, the stencil M may be formed by bonding a metal foil 25 onto a cardboard 24, as shown in FIG. 4.
  • the stencil M may be automatically punched by a computerized mechanism.
  • a mark signal generator 20 such as a computer console or a typewriter, may manually be actuated for generating mark-carrying signals.
  • the signals are applied to a punch controller 21, e.g., a computerized converter, where punch control signals are generated in response to the mark-carrying signals from the signal generator 20.
  • a cutter unit 22 acts to automatically punch the stencil M, so as to bore holes representing the mark ordered by the signal generator 20.
  • a mark H4 is punched.
  • the stencil M may be brought into direct contact with the sheet K at the moment of printing, and the spraying of pigment from the sprayer 26 will print a clear mark, such as H-l, on the sheet K, as shown in FIG. 6. If the sheet K is very hot, the stencil M should preferably be spaced from the sheet K, as shown in FIG. 2.
  • the marking is done at two location of the sheet K by using two stencils M1 and M2.
  • two or more marking operations can also be effected for each sheet while changing the stencils for each marking operation.
  • the holding of the sheet K such as a hot iron sheet
  • the holding of the sheet K at a position below the sprayers l4 and 15 for the marking can also be used for sizing the sheet.
  • the marking and sizing can simultaneously be effected, and the overall efficiency of the manufacture of the sheets can be improved.
  • a method of marking a sheet by use of a resilient discrete stencil having a pattern of punched holes representative of a mark to be printed on the sheet comprising the steps of feeding said resilient stencil having punched holes representing a mark to be printed on the sheet to a marking station along a first path by a first pair of spaced parallel conveyors; holding the stencil stationary in the marking station by a second pair of spaced parallel conveyors in cooperation with said first pair of conveyors, said conveyors holding the stencil in a horiziontal plane along one edge of the stencil by pinching between one conveyor of said first pair and the corresponding one of the second pair, and by pinching an opposite other edge between the other conveyor of said first pair and the correspnding other of said second pair; feeding the sheet to be marked to the marking station along a second path perpendicular, under and without contact with said first path in the marking station; holding the sheet stationary in the marking station so that a portion of the sheet to be printed faces the flexible stencil being held in said horizontal plane with a spacing therebetween; effecting
  • a device for marking a sheet at a marking station by use of a resilient discrete stencil having a pattern of punched holes comprising in combination, said resilient discrete stencil; a first pair of spaced parallel conveyors adapted to receive said stencil for moving the stencil toward and then away from a marking station along a first path; a second pair of spaced parallel conveyors adapted for holding the stencil stationary in horizontal plane in cooperation with said first pair of conveyors, said holding of the stencil being by pinching one edge of the stencil between one conveyor of said first pair and the corresponding conveyor of said second pair, with an opposite edge of the stencil being pinched between the other conveyor of said first pair and the corresponding other conveyor of said second pair; feed means for moving the sheet to be marked along a second path toward the marking station; means for holding the sheet to be marked stationary in the marking station and spaced from the stencil; means for marking said sheet by spraying pigment against the stencil and through said pattern of holes, the resilient stencil being flexed into contact with the surface of the sheet by pigment impacting said stencil, means for terminating pigment
  • the device of claim 3 including further means for removing the stencil from said first pair of conveyors after transfer from the marking station.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Making Paper Articles (AREA)
US00157107A 1970-06-29 1971-06-28 Method and device for marking sheets through stencils Expired - Lifetime US3777661A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5677570 1970-06-29
JP45066755A JPS4949561B1 (enrdf_load_stackoverflow) 1970-07-29 1970-07-29
JP45092511A JPS4819373B1 (enrdf_load_stackoverflow) 1970-10-21 1970-10-21

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US3777661A true US3777661A (en) 1973-12-11

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US00157107A Expired - Lifetime US3777661A (en) 1970-06-29 1971-06-28 Method and device for marking sheets through stencils

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US (1) US3777661A (enrdf_load_stackoverflow)
FR (1) FR2099307A5 (enrdf_load_stackoverflow)
GB (1) GB1309628A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5797316A (en) * 1995-11-15 1998-08-25 Whal-Sun Lee Transfer rolling device for producing banners
US20060048655A1 (en) * 2004-02-19 2006-03-09 Speedline Technologies, Inc. Method and apparatus for performing operations within a stencil printer
US9370925B1 (en) 2015-03-25 2016-06-21 Illinois Tool Works Inc. Stencil printer having stencil shuttle assembly
US9370924B1 (en) 2015-03-25 2016-06-21 Illinois Tool Works Inc. Dual action stencil wiper assembly for stencil printer
US9370923B1 (en) 2015-04-07 2016-06-21 Illinois Tool Works Inc. Lift tool assembly for stencil printer
US20170361343A1 (en) * 2014-05-27 2017-12-21 Palo Alto Research Center Incorporated Methods and systems for creating aerosols
US10703089B2 (en) 2015-04-07 2020-07-07 Illinois Tool Works Inc. Edge lock assembly for a stencil printer
US10723117B2 (en) 2015-04-07 2020-07-28 Illinois Tool Works Inc. Lift tool assembly for stencil printer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2017002B (en) * 1978-03-13 1982-07-21 Kawasaki Steel Co Method of marking on hot material and apparatus therefor
DE3932312A1 (de) * 1989-09-28 1991-04-11 Praezisions Werkzeuge Ag Verfahren und anlage zur spruehbeschichtung von werkstuecken

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US1594770A (en) * 1925-05-09 1926-08-03 Dick Co Ab Stencil sheet and process of producing the same
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US1921511A (en) * 1929-07-24 1933-08-08 Harmon P Elliott Printing machine
US2235288A (en) * 1939-04-14 1941-03-18 Magnetic Stencil Corp Art of stenciling
US2401220A (en) * 1942-05-27 1946-05-28 Standard Telephones Cables Ltd Method of forming sprayed layers
US3260196A (en) * 1961-11-21 1966-07-12 Vitramon Inc Method and apparatus for making electrical unit
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US1762539A (en) * 1927-05-23 1930-06-10 Robert H Angell Method of producing embossed escutcheons, name plates, labels, and the like

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US1407646A (en) * 1918-05-25 1922-02-21 Sears Roebuck & Co Inserting, folding, and wrapping machine
US1591788A (en) * 1922-11-04 1926-07-06 Auto Mailing Machinery Company Addressing machine
US1594770A (en) * 1925-05-09 1926-08-03 Dick Co Ab Stencil sheet and process of producing the same
US1921511A (en) * 1929-07-24 1933-08-08 Harmon P Elliott Printing machine
US2235288A (en) * 1939-04-14 1941-03-18 Magnetic Stencil Corp Art of stenciling
US2401220A (en) * 1942-05-27 1946-05-28 Standard Telephones Cables Ltd Method of forming sprayed layers
US3260196A (en) * 1961-11-21 1966-07-12 Vitramon Inc Method and apparatus for making electrical unit
US3376810A (en) * 1963-06-21 1968-04-09 Gestetner Ltd Duplicating stencils
US3283704A (en) * 1964-02-18 1966-11-08 Timefax Corp Electrosensitive facsimile stencilforming blanks
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5797316A (en) * 1995-11-15 1998-08-25 Whal-Sun Lee Transfer rolling device for producing banners
US20060048655A1 (en) * 2004-02-19 2006-03-09 Speedline Technologies, Inc. Method and apparatus for performing operations within a stencil printer
US7171898B2 (en) * 2004-02-19 2007-02-06 Speedline Technologies, Inc. Method and apparatus for performing operations within a stencil printer
US20070051253A1 (en) * 2004-02-19 2007-03-08 Speedline Technologies, Inc. Method and apparatus for performing operations within a stencil printer
US7322288B2 (en) 2004-02-19 2008-01-29 Speedline Technologies, Inc. Method and apparatus for performing operations within a stencil printer
US20080066635A1 (en) * 2004-02-19 2008-03-20 Speedline Technologies, Inc. Method and apparatus for performing operations within a stencil printer
US7469635B2 (en) 2004-02-19 2008-12-30 Speedline Technologies, Inc. Method and apparatus for performing operations within a stencil printer
US10173233B2 (en) * 2014-05-27 2019-01-08 Palo Alto Research Center Incorporated Methods and systems for creating aerosols
US20170361343A1 (en) * 2014-05-27 2017-12-21 Palo Alto Research Center Incorporated Methods and systems for creating aerosols
US10898914B2 (en) * 2014-05-27 2021-01-26 Palo Alto Research Center Incorporated Methods and systems for creating aerosols
US9370924B1 (en) 2015-03-25 2016-06-21 Illinois Tool Works Inc. Dual action stencil wiper assembly for stencil printer
US9370925B1 (en) 2015-03-25 2016-06-21 Illinois Tool Works Inc. Stencil printer having stencil shuttle assembly
US9370923B1 (en) 2015-04-07 2016-06-21 Illinois Tool Works Inc. Lift tool assembly for stencil printer
US9868278B2 (en) 2015-04-07 2018-01-16 Illinois Tool Works Inc. Lift tool assembly for stencil printer
US10703089B2 (en) 2015-04-07 2020-07-07 Illinois Tool Works Inc. Edge lock assembly for a stencil printer
US10723117B2 (en) 2015-04-07 2020-07-28 Illinois Tool Works Inc. Lift tool assembly for stencil printer

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Publication number Publication date
DE2132371A1 (de) 1972-01-05
DE2132371B2 (de) 1976-04-29
FR2099307A5 (enrdf_load_stackoverflow) 1972-03-10
GB1309628A (en) 1973-03-14

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