US3611920A - Random jar coder - Google Patents

Random jar coder Download PDF

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Publication number
US3611920A
US3611920A US790386A US3611920DA US3611920A US 3611920 A US3611920 A US 3611920A US 790386 A US790386 A US 790386A US 3611920D A US3611920D A US 3611920DA US 3611920 A US3611920 A US 3611920A
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United States
Prior art keywords
wheel
container
die elements
coding
printing
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
US790386A
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English (en)
Inventor
Charles A Timko
Lanny A Oberhofer
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.)
Continental Can Co Inc
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Continental Can Co Inc
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Publication date
Application filed by Continental Can Co Inc filed Critical Continental Can Co Inc
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Publication of US3611920A publication Critical patent/US3611920A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
    • B41F17/14—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length
    • B41F17/16—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length on end or bottom surfaces thereof

Definitions

  • the sensors are connected through electric circuitry with a control device including a timer whereby the rotation of the printing wheel is adjusted so that the die elements match the spacing of the advancing jar tops and a die element is engaged with each successive jar top to print a code thereon.
  • an apparatus for marking a code number, or the like, on a predetermined portion of the top of each of a series of jars advancing with random spacing to a marking station which apparatus comprises a plurality of marking dies carried in uniform spaced relation on a traveling support with the speed of advance of the support controlled by decelerating or accelerating the movement thereof in response to sensors which determine the location of an advancing jar relative to the location of the traveling dies to that the travel of the latter may be increased or decreased the required amount to bring a marking die into proper position to mark on a predetermined spot on the jar top when the latter reaches the marking station.
  • a further object of the invention is to provide a marking apparatus for ajar-capping line wherein a series of marking dies are supported on rotating wheel which is driven by a differential gear system with a stepping motor which is operative in response to sensor devices actuated by passage of jars and travel of the dies so as to accelerate or decelerate the travel of the wheel in order to bring a die into proper position for marking on the required area on he top of a jar which has advanced to the marking station.
  • FIG. 1 is an elevation, largely schematic of marking or coding die apparatus mounted adjacent a run of a conveyor on which randomly spaced jars are advanced to a marking station where a mark is imprinted on the top of each jar in a predetermined spot thereon;
  • FIG. 2 is a cross section taken on line 2-2 of FIG. 1 to an enlarged scale and with portions broken away;
  • FIGS. 3, 4 and 5 are schematic views illustrating the operation of the die-carrying wheel.
  • F IG. 6 is a schematic flow diagram illustrating the sequence of operation and control of the apparatus.
  • FIG. 1 nd 2 there is illustrated an apparatus embodying the principles of the invention which is adapted to be employed for imprinting date, code number or other data on the tops of capped jars 10 which are advancing on a horizontally disposed run 12 of a traveling conveyor to a marking or coding station 14 at a predetermined point along the path of the jar carrying conveyor run 12.
  • a coding apparatus 16 is mounted at station 14 which is operative to apply a desired code number or other data to each successive jar to by imprinting on the top surfaces of the jar caps 18, each of which has a space, or area, indicated at 20, for receiving the code number, that is an area on which it is desired to imprint the code number.
  • the code-applying apparatus or imprinting mechanism 16 comprises a coding wheel 22 (FIGS. 1 and 2) mounted on a supporting shaft 24 and carrying on its peripheral surface a plurality of type or printing die elements 26A, 26B, 26C, 26D which are disposed in equally spaced relation about the periphery of the wheel 22.
  • the die elements may be metal or rubber type, for example, which require the application of ink or other printing fluid, in which event a suitable ink-applying mechanism 28 is provided for cooperation with the same.
  • the inking mechanism 28 may be supported in a simple frame (not shown), and driven by connection with suitable power drive or with the coding wheel shaft 24.
  • the coding wheel shaft 24 is supported by bearings 30 and 31 and driven by a differential gear system, indicated at 32 in F FIG. 2, with power being received from the drive gear 34 mounted on shaft 36 which is connected in any suitable manner to the drive for the conveyor 12 or driven in synchronized relation therewith.
  • the gear 34 engages the transmitting gear 38 which is rotatably mounted on the shaft 39 the latter constituting an input shaft in the gear system 32 which is driven from a stepping motor indicated at 40 and constitutes the output shaft of the stepping motor 40.
  • the shaft 39 has a right-angle end portion 41 on which speed pinion 42 is rotatably mounted.
  • An input bevel gear 44 is mounted on the face of the transmitting gear 38 and connected in driving relation with the speed pinion 42 which drives the output bevel gear 46.
  • the output ear 46 is keyed to the inner end of the shaft 24 carrying the type wheel 22.
  • the coding wheel 22 is normally rotated so that the type on the periphery thereof travel at a speed corresponding to the linear speed of the conveyor 12.
  • the stepping motor by means of shaft 39 and the speed pinion 42, may be operated, as hereinafter described, to accelerate or decelerate the coding wheel 22 while the latter is being driven through its connection with the power shaft 36.
  • the stepping motor which is indicated schematically at 40, is a commercially available unit, with standard translator control such that for a pulse input signal, the motor output shaft will rotate a finite number of degrees. For example, if 240 input pulses are supplied to the translator control and motor indicated at 40 is employed which is designed for lkdegrees per step, the motor output shaft 39 will rotate 360 or one revolution.
  • the coding wheel shaft 24 carries on its free end the encod ing device 50.
  • the encoding device or 'unit 50 forms part of a position sensing and control system or apparatus for operating the stepping motor 40 so as to accelerate or decelerate the coding wheel 22 s required to match a die element 26 with a code-receiving area20 on an oncoming container 10 on the conveyor run 12.
  • the encoding unit 50 includes a logic circuit having a pulse counter and a timer which operate in response to the operation of position sensors A, C B. C and D, which are indicated schematically on F IGS. 3, and 5.
  • the position sensor A may be photoelectric or a proximity type, or the like, which is located as indicated in FlG. 3, a distance upstream of position P] which distance corresponds to the diameter of a container 10 plus one-half the dimension of a code-receiving area 20 measured in the direction of travel of the container, the position Pl being the point where a die element 26A which is advancing so as to properly mate with a code receiving space 20A begins to engage the top surface of the advancing container 10.
  • the sensor B which may be the same type as sensor A, is located so as to sense the presence, or absence, of a container between the positions which are indicated by the radial lines c and d on FIG, 3, the former coinciding with position P2 which is the point where a die element (indicated in phantom line) breaks contact with a matedcode-receiving space on which the die element has imprinted a code number or other information.
  • the encoder unit 50 includes sensor C (FIG. 3) which gives a signal when the coding wheel 22 is in position P2 and sensor D which gives a signal when the coding wheel is in position P1.
  • the encoder unit 50 is secured on the coding wheel shaft 24 and designed with circuitry to give a definite predetermined number of pulses per coding wheel rotation. With the coding wheel in the position indicated in FIG. 3 where die element 268 is at encoder sensor D and a code-receiving space 208 is at sensor A the two will mate at position Pl without any alteration or correction in the speed of the coding wheel 22.
  • the encode counter begins to accumulate pulse counts, that is, the count is initiated at time I the instant when the die element 26A is at the sensor D position of the codin wheel 22 (as shown in FIG. 4) and a code-receiving space 20A is approaching sensor A.
  • the code-receiving space 20A reaches the sensor A the count is stopped, and the accumulated count is then a measure of the distance, or angular wheel rotation, by which the die element will miss mating with the code-receiving space 20A, if no correction is made in the rotational speed of the wheel 22.
  • an error ie the distance (in encoder pulse counts) representing the angular wheel rotation that separates 26A from mating with the code-receiving space 20A. Since the object is to mate either of the die elements 26A or 268 with the code-receiving space 20A according to the minimum time required for speeding up or slowing down the wheel 22, as the case may be, the apparatus is designed to provide a decision point which is indicated by the radial line DP on FIG. 5 and which trials the die element 26A by the angle X. At time tthe number of pulses accumulated by the encoder counter has been tabulated and represents the angle Y, that is, the angle between the radial line d and the radial line through the die element 26A.
  • the stepping motor 40 runs forward to correct the error by accelerating the coding wheel 22 and if the angle Y is less than the angle X the stepping motor 40 runs in reverse to correct the error by decelerating the coding wheel 22.
  • the encoder 50 whrch converts shaft rotation to electrical pulses may be, for example, mercury wetted Rotaswitch" Model 1 l 1 produced by D Disc Instruments, Inc. Santa Ana, California.
  • the stepping motor 40 which operates to rotate its output shaft at a predetermined number of steps per shaft revolution may be, for example, Slo-Syn stepping motor Type HS-SO, produced by The Superior Electric Company, Bristol, Connecticut with a pulse-to-step converter which may be Slo-Syn" Translator Model ST-l,800, produced by the same company, the latter comprising circuitry for operating the stepping motor according to the pulses resulting from the actuation of the encoder We claim:
  • Apparatus for imprinting a code or other information on containers advancing on a conveyor in random spaced relation which comprises a rotatably mounted, continuously driven coding wheel having a plurality of coding die elements mounted in predetermined spaced relation about the periphery thereof, which wheel is disposed for rotation in a vertical plane above the path traversed by the containers and which is operative to engage the top surface of each successive container with one of said die elements when said container is at a marking station located along the path of said containers, a drive for said coding wheel which normally synchronizes the speed of the coding wheel with the container advancing conveyor so that successive containers which are spaced on the conveyor according to the spacing of the die elements on said wheel will be engaged in the same area by said die elements, means for operating said drive to accelerate or decelerate said coding wheel in accordance with the advance of each successive container to said marking station and the position of a pair of said die elements relative to said marking station whereby the speed of said coding wheel is adjusted for each container, when required to bring selected die elements

Landscapes

  • Control Of Conveyors (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Printing Methods (AREA)
US790386A 1969-01-10 1969-01-10 Random jar coder Expired - Lifetime US3611920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79038669A 1969-01-10 1969-01-10

Publications (1)

Publication Number Publication Date
US3611920A true US3611920A (en) 1971-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
US790386A Expired - Lifetime US3611920A (en) 1969-01-10 1969-01-10 Random jar coder

Country Status (4)

Country Link
US (1) US3611920A (enrdf_load_stackoverflow)
JP (1) JPS5012326B1 (enrdf_load_stackoverflow)
FR (1) FR2028102A1 (enrdf_load_stackoverflow)
GB (1) GB1225466A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929066A (en) * 1972-12-22 1975-12-30 Pont A Mousson Machine for printing stamps, in particular on bottle caps
US4271757A (en) * 1979-05-18 1981-06-09 Markem Corporation Rotary offset article printing system
US4682540A (en) * 1986-06-12 1987-07-28 Manville Corporation Method for emobssing a non-repeating design
US5018443A (en) * 1989-09-15 1991-05-28 Illinois Tool Works Inc. Position sensor systems for a print head
US20110277645A1 (en) * 2009-11-13 2011-11-17 Preco, Inc. Apparatus and method for calculating registration error of a rotary die

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1054203A (en) * 1908-11-10 1913-02-25 Daniel Higham Combination phonograph and moving-picture apparatus.
US2230715A (en) * 1940-03-14 1941-02-04 Gen Electric Control system
US2289737A (en) * 1938-11-17 1942-07-14 Interchem Corp Registration indicator for web treating apparatus
US2583580A (en) * 1947-01-08 1952-01-29 Askania Regulator Co Web register control system
US2963965A (en) * 1959-06-05 1960-12-13 Mercury Engineering Corp Automatic registry control system and method for printing and cutting a web
US3073997A (en) * 1958-08-18 1963-01-15 Ohg Cigardi S P A O M C S A Multi-unit sheet-fed printing machine
US3081700A (en) * 1961-09-20 1963-03-19 Litho Strip Corp Register control for printing continuous metal strip
US3084621A (en) * 1960-05-14 1963-04-09 Pietro Guazzo Ing Process and apparatus for controlling register on rotogravure printing machines
US3152542A (en) * 1961-05-19 1964-10-13 Machines Speciales Sa Soc Et Devices for automatically preadjusting the different elements of a printing machine
US3394651A (en) * 1966-03-08 1968-07-30 Anchor Hocking Glass Corp Coder for marking randomly spaced containers

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1054203A (en) * 1908-11-10 1913-02-25 Daniel Higham Combination phonograph and moving-picture apparatus.
US2289737A (en) * 1938-11-17 1942-07-14 Interchem Corp Registration indicator for web treating apparatus
US2230715A (en) * 1940-03-14 1941-02-04 Gen Electric Control system
US2583580A (en) * 1947-01-08 1952-01-29 Askania Regulator Co Web register control system
US3073997A (en) * 1958-08-18 1963-01-15 Ohg Cigardi S P A O M C S A Multi-unit sheet-fed printing machine
US2963965A (en) * 1959-06-05 1960-12-13 Mercury Engineering Corp Automatic registry control system and method for printing and cutting a web
US3084621A (en) * 1960-05-14 1963-04-09 Pietro Guazzo Ing Process and apparatus for controlling register on rotogravure printing machines
US3152542A (en) * 1961-05-19 1964-10-13 Machines Speciales Sa Soc Et Devices for automatically preadjusting the different elements of a printing machine
US3081700A (en) * 1961-09-20 1963-03-19 Litho Strip Corp Register control for printing continuous metal strip
US3394651A (en) * 1966-03-08 1968-07-30 Anchor Hocking Glass Corp Coder for marking randomly spaced containers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929066A (en) * 1972-12-22 1975-12-30 Pont A Mousson Machine for printing stamps, in particular on bottle caps
US4271757A (en) * 1979-05-18 1981-06-09 Markem Corporation Rotary offset article printing system
US4682540A (en) * 1986-06-12 1987-07-28 Manville Corporation Method for emobssing a non-repeating design
US5018443A (en) * 1989-09-15 1991-05-28 Illinois Tool Works Inc. Position sensor systems for a print head
US20110277645A1 (en) * 2009-11-13 2011-11-17 Preco, Inc. Apparatus and method for calculating registration error of a rotary die
US8910570B2 (en) * 2009-11-13 2014-12-16 Preco, Inc. Apparatus and method for calculating registration error of a rotary die

Also Published As

Publication number Publication date
GB1225466A (enrdf_load_stackoverflow) 1971-03-17
DE2000868B2 (de) 1977-05-05
DE2000868A1 (de) 1970-07-23
JPS5012326B1 (enrdf_load_stackoverflow) 1975-05-10
FR2028102A1 (enrdf_load_stackoverflow) 1970-10-09

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