US3559568A - Method of controlling pattern repeat length - Google Patents

Method of controlling pattern repeat length Download PDF

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Publication number
US3559568A
US3559568A US3559568DA US3559568A US 3559568 A US3559568 A US 3559568A US 3559568D A US3559568D A US 3559568DA US 3559568 A US3559568 A US 3559568A
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Prior art keywords
spacing
photocells
repeat
pattern
embossing roll
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Edward W Stanley
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Armstrong World Industries Inc
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Armstrong World Industries Inc
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00Registering, tensioning, smoothing or guiding webs
    • B65H23/04Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/192Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web motor-controlled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/02Conveying or guiding webs through presses or machines
    • B41F13/025Registering devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/10Forme cylinders
    • B41F13/12Registering devices
    • B41F13/14Registering devices with means for displacing the cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F33/00Indicating, counting, warning, control, or safety devices
    • B41F33/0081Devices for scanning register marks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00Registering, tensioning, smoothing or guiding webs
    • B65H23/04Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1882Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web

Abstract

The method of controlling the repeat length of a pattern to be embossed on sheet flooring. The embossed material is provided with register marks which appear once for each pattern length. Photocells scan the register marks on the embossed product and sense any deviation from a predetermined spacing. The information sensed by the photocells is transmitted to a computer which operates a DC correction motor to adjust the drive of the embossing roll to return the spacing of the register marks to the predetermined spacing.

Description

O Umted States Patent 1 1 3,559,568

[72] Inventor Edward W. Stanley 2,768,827 10/1956 Noble 101/181 Lancaster, Pa. 2,802,666 8/1957 Crosfield 101/1 81X [2]] App]. No 791,087 2,840,370 6/1958 Noble 101/181 [22 Filed Jan. 14, 1969 3,045,165 7/1962 Littwin 318/286 [45] Patented Feb. 2,1971 3,068,787 12/1962 DAllOglio et a1. 101/181 [73] Assignec Armstrong Cork Company 3,102,471 9/1963 Auer et al 101/181 Lancaster, Pa. 3,120,181 2/1964 Thiede 101/181 a corporation of Pennsylvania 3,264,983 8/1966 Lewis et a1 101 l 81 3,329,087 7/1967 Sandor et al v. 101/181 3,500,744 3/1970 Lewis 4. 101/23 [54] METHOD OF CONTROLLING PATTERN REPEAT LENGTH Primary Examiner-William B. Penn 1 Claim, 1 Drawing Fig. Attorney-Clifford B. Price [52] U.S.C1 101/32, 101/181;250/2191226/28z318/286;101/248, 101/219 [51] Int. Cl B44c 1/24, TR CT; The method f controlling the repeat kngth f a B41f13/10IG01l'12l/30 pattern to be embossed on sheet flooring. The embossed [50] Field of Search 101/23, 22, material is provided with register marks which appear Once f 185, 250/219, each pattern length. Photocells scan the register marks on the 219121219186 2191131 26/283019 31; 318/286 embossed product and sense any deviation from a predetermined spacing. The information sensed by the photocells is [56] References cued transmitted to a computer which operates a DC correction UNITED STATES PATENTS motor to adjust the drive of the embossing roll to return the 2,583,580 1/ 1952 Ludwig 250/219X spacing of the register marks to the predetermined spacing.

mmmrwz 1971 I 3,559,568

INVENT OR EDWARD W- STANLEY W 9pm ATTORNEY METHOD OF CONTROLLING PATTERN REPEAT LENGTH BACKGROUND OF THE INVENTION l. Field of the Invention The invention relates generally to rotary printing and/or embossing equipment and, more particularly, to rotary embossing equipment providing a repeat at a controlled spacing.

2. Description of the Prior Art The state of the art in the flooring industry has reached a point that it is now necessary to provide goods with an embossed design, which embossed design must match up with the design on adjacent goods to form a continuous-type design. In other words, flooring is being made so that it has an embossed design; and in order to secure the proper registration of one sheet of flooring with an adjacent sheet so that the sheets blend into an overall configuration, it is necessary that the sheets be embossed with the same pattern repeat length for each sheet.

If the embossing roll forming the sheet material moves too fast relative to the sheet material, the repeat length of the embossed pattern is compressed, while too slow movement of the embossing roll relative to the sheet material will cause the stretching out of the embossed pattern. Consequently, it is necessary that the embossing roll and sheet material move at exactly the proper relative speeds at all times. Due to normal wear, slippage and other factors in the production line, it is impossible normally to maintain the speed of the sheet material and the embossing roll the same all the time. There is a tendency for the speed of one relative to the other to be either too fast or too slow, and this in turn results in a shrinking or stretching of the embossed pattern. Consequently, when the sheet material is installed with the repeat lengths varying, the designs on adjacent sheets will not be in coordination.

At present, the only way being used to see that the repeat length of the embossed pattern is maintained is a manual conpattern which must be trol procedure. An inspector measures the repeat spacing of the embossed patterns shortly after they are formed on the sheet. If any irregularity is discovered, a manual control is operated to retard or speed up the drive for the embossing roll. Such an operation is barely acceptable at best as a means of controlling the repeat spacing of the embossed patterns.

It is the object of the invention herein to provide an auto matic structure for measuring and controlling the repeat spacing of embossed patterns on sheet goods. The automatic measurement is then used through a computer-type structure to automatically adjust the speed of the embossing roll to bring the pattern repeat spacings back into the required predetermined spacing.

SUMMARY OF THE INVENTION The invention here is the provision of a repeat control mechanism being provided on a conventional sheet flooring embossing line. A lower drive backup roll is placed under the sheet material, while over the sheet material is placed the embossing roll. The lower roll is direct motor driven while a mechanical differential transmission is connected between the drive for the lower roll and the drive shaft of the embossing roll. Therefore, it is possible to minutely change the speed of the upper roll relative to the lower roll.

The upper roll embosses registration marks on the sheet material along with the embossed pattern. These registration marks indicate the repeat length being generated on the goods. A photocell structure senses the marks on the sheet material; and since these photocells are spaced at the desired repeat length, failure of the two photocells to sense a signal at the same instance indicates a deviation from this desired repeat length. A computer-type structure takes the variation and converts it into the necessary information to drive a DC correction motor. The DC correction motor is connected to the differential drive transmission so as to vary the speed of the embossing roll to return the pattern repeat spacing to the correct dimension.

BRIEF DESCRIPTION OF THE DRAWING The single FIGURE of the drawing is a perspective view of the invention herein.

DESCRIPTION OF THE PREFERRED EMBODIMENT The sheet material 2 is a conventional vinyl floor covering which is approximately .090 inch thick. The material is fed over a drive and backup roll 4. Directly above roll 4 is an embossing roll 6 which is used to emboss the sheet material with a design pattern. Obviously the embossed pattern will be a repeat pattern since a roll embosser is being used. The upper roll 6 has a registration marks 8 which are formed on the sheet material as registration marks It). The spacing between any two adjacent registration marks 10 is an indication of the length of a repeat pattern. A conventional motor 12 drives the lower roll 4. Appropriate connecting mechanism 14 connects motor 12 to a differential draw transmission 16. The transmission I6 is in turn connected with the embossing roll 6 and drives this roll. Ideally, both rolls would be moving at the same speed, and the sheet material 2 would be moving also at the same speed.

Due to any number of factors such as wear on the drive machinery, slippage along the production line, etc., the sheet material 2 may be driven at a speed greater than or less than the circumferential speed of the embossing roll. When the cincumferential speed of the embossing roll and the sheet material differ, this will vary the repeat spacing. Too fast movement of the embossing roll relative to the sheet material causes the repeat spacing to be smaller than the standard repeat spacing while too slow movement of the embossing roll relative to the sheet material causes the repeat spacing to be longer than the standard repeat spacing. v

When the spacing between any two registration marks I0 varies from the standard, it is necessary to immediately note this factor and correct the speed of the embossing roll.

The apparatus for correcting the speed of the embossing roll utilizes two photocells which are mounted on a common mounting bar. The first photocell 18 is fixedly mounted while the second photocell 20 is adjustably mounted so tat the two photocells may be set apart the standard repeat spacing. The photocells are positioned to sense the register reference marks 10. If both photocells sense marks at the same instance, then the repeat spacing must be the required standard spacing. When the photocells sense marking at different instances, it is, therefore, necessary to correct the speed of the embossing roll. Depending on whether the repeat length is shorter than the standard or longer than the standard, either photocell 18 or 20 will sense the mark first; and the time difi'erence between the sensing of the marks by the two photocells will indicate the amount of error. The particular cell which senses first detennines in which direction the error exists.

The infon'nation secured by the photocells is fed to a computer-type structure 22, which is similar to that shown in U.S. Pat. No. 3,073,997, issued Jan. 15, 1963. Such acomputertype structure is conventional in the art and merely takes the information sensed by the photocells and generates a correction signal. The correction signal indicates in which direction and by what magnitude there is an error in the repeat spacing. The correction signal is fed to a DC correction motor 24, which is connected to the differential draw transmission 16. Depending upon whether the repeat spacing is too long or too short and to what extend, the DC correction motor operates to alter the transmission so that the speed of the embossing roll is changed in the right direction and by the right magnitude to return the repeat pattern spacing to its correct spacing.

While the preferred embodiment describes an embossed operation, the concept is equally applicable to a rotary printlug operation wherein the printing operation merely provides the repeat spacing of the embossed pattern, positioning two photocells relative to the registration marks, spacing the photocells apart the distance of the standard desired repeat spacing, sensing the registration marks with the photocells, feeding the sensing of the photocells to a computer means,

which fails to operate when both photocells sense marks at the same instance, but operates to create a correction signal when the photocells sense marks at different instances, providing a power drive for the embossing roll, providing a DC correction motor drive for the power of the embossing roll to adjust its speed and feeding the correction signal from the computer means to the DC correction drive whereby variations in pattern repeat spacing as sensed by the photocell structures is fed to the computer means to generate a correction signal to operate the embossing roll drive to correct the speed of the embossing roll drive to return the repeat pattern spacing to the required standard spacing.

Claims (1)

1. A method of controlling the repeat spacing of an embossed pattern on a sheet flooring material, the steps of embossing the sheet material with a repeat pattern, placing registration marks on the sheet material with a spacing the same as the repeat spacing of the embossed pattern, positioning two photocells relative to the registration marks, spacing the photocells apart the distance of the standard desired repeat spacing, sensing the registration marks with the photocells, feeding the sensing of the photocells to a computer means, which fails to operate when both photocells sense marks at the same instance, but operates to create a correction signal when the photocells sense marks at different instances, providing a power drive for the embossing roll, providing a DC correction motor drive for the power of the embossing roll to adjust its speed and feeding the correction signal from the computer means to the DC correction drive whereby variations in pattern repeat spacing as sensed by the photocell structures is fed to the computer means to generate a correction signal to operate the embossing roll drive to correct the speed of the embossing roll drive to return the repeat pattern spacing to the required standard spacing.
US3559568A 1969-01-14 1969-01-14 Method of controlling pattern repeat length Expired - Lifetime US3559568A (en)

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Cited By (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694634A (en) * 1971-08-16 1972-09-26 Armstrong Cork Co Pattern repeat length control system
US3774016A (en) * 1971-10-04 1973-11-20 Sun Chemical Corp Control of process according to registration indicia on material being processed
US3832064A (en) * 1972-12-29 1974-08-27 Armstrong Cork Co Pattern length measurement and control by continuous-statistical-correlation
US3867889A (en) * 1973-08-03 1975-02-25 Stahl Urban Co Apparatus for seaming pieces of textile fabric or the like
US3945317A (en) * 1972-06-28 1976-03-23 Umberto Brasa Web registration system using retrograde web movement
US3974766A (en) * 1973-09-10 1976-08-17 Peter Zimmer Process for imprinting spaced-apart web sections with a composite pattern
US3987723A (en) * 1975-03-27 1976-10-26 Sperry Rand Corporation Phase adjustment mechanism for use with a magnetic read station of a band printer
US4009551A (en) * 1974-04-15 1977-03-01 The Dow Chemical Company Method and apparatus for registration of web material in forming filling and sealing industrial bags
US4072104A (en) * 1973-08-01 1978-02-07 Harris-Intertype Corporation Printing unit drive system
US4334471A (en) * 1980-08-18 1982-06-15 Markem Corporation Reference printing on moving surface
US4361260A (en) * 1980-06-27 1982-11-30 Hanlan Marc A Web registration control
US4366372A (en) * 1979-06-01 1982-12-28 Innovative Design, Inc. Apparatus and method for counting repetitive marks on a running web
US4389009A (en) * 1980-05-30 1983-06-21 Kyoichi Yamashita High speed tape feeder
US4538515A (en) * 1983-04-13 1985-09-03 Marlin Manufacturing Corporation Printing machine with programmed control of print cylinder motor and web tractor feed motor
US4541335A (en) * 1983-12-09 1985-09-17 Rengo Co., Ltd. Web printing apparatus with printing plate cylinder and web speed control
US4572752A (en) * 1982-11-12 1986-02-25 Adolph Coors Company Control stretch laminating device
US4590859A (en) * 1982-06-30 1986-05-27 Monarch Marking Systems, Inc. Method of printing by sensing variable indicia tag format length
US4598564A (en) * 1980-05-16 1986-07-08 Kurt Held Method of profiling metal strips
US4658144A (en) * 1985-07-17 1987-04-14 Levi Strauss & Co. System for alignment and feeding cooperating fabric parts in sewing operations
US4682540A (en) * 1986-06-12 1987-07-28 Manville Corporation Method for emobssing a non-repeating design
WO1988003119A1 (en) * 1986-10-27 1988-05-05 Adolph Coors Company Phasing control system for web having variable repeat length portions
US4757930A (en) * 1986-08-29 1988-07-19 Adolph Coors Company Web indicia reference signal generating system
USRE32967E (en) * 1982-11-24 1989-06-27 Xerox Corporation Web tracking system
US4896605A (en) * 1988-02-19 1990-01-30 Asea Brown Boveri Ltd Method of cut position determination for printing machines
US4947685A (en) * 1989-10-06 1990-08-14 Am International, Inc. System for measuring the repeat length of a moving web
US4984458A (en) * 1989-10-06 1991-01-15 A.M. International, Inc. System for measuring the relaxed length of a moving web
US5073053A (en) * 1989-03-06 1991-12-17 Tokyo Electric Co., Ltd. Color discrimination apparatus for color ink ribbon
US5081923A (en) * 1990-03-29 1992-01-21 Enamel Products & Plating Company Method of creating a registered pattern on a metal coil and associated apparatus
US5098507A (en) * 1991-01-28 1992-03-24 Mao Chen Chi Relieved plastic floor tile rolling press with an automatic alignment device
US5126578A (en) * 1989-07-15 1992-06-30 Bobst Sa Process and device for measuring displacement rates of a web running through a multi-color rotary printing press
FR2672879A1 (en) * 1991-02-20 1992-08-21 Rollin Sa Continuous method for controlling an endless belt and machine for óoeuvre formatting method.
US5208796A (en) * 1991-01-03 1993-05-04 Xerox Corporation Method and apparatus for transverse image registration on photoreceptive belts
US5766389A (en) * 1995-12-29 1998-06-16 Kimberly-Clark Worldwide, Inc. Disposable absorbent article having a registered graphic and process for making
US5815481A (en) * 1992-03-30 1998-09-29 Xerox Corporation Apparatus for transverse image registration of a photoreceptor belt
US5818719A (en) * 1995-12-29 1998-10-06 Kimberly-Clark, Worldwide, Inc. Apparatus for controlling the registration of two continuously moving layers of material
US5930139A (en) * 1996-11-13 1999-07-27 Kimberly-Clark Worldwide, Inc. Process and apparatus for registration control of material printed at machine product length
US5932039A (en) * 1997-10-14 1999-08-03 Kimberly-Clark Wordwide, Inc. Process and apparatus for registering a continuously moving, treatable layer with another
US5964970A (en) * 1997-10-14 1999-10-12 Kimberly-Clark Worldwide, Inc. Registration process and apparatus for continuously moving elasticized layers having multiple components
US5980087A (en) * 1995-12-29 1999-11-09 Kimberly-Clark Worldwide, Inc. Apparatus for controlling the registration of two continuously moving layers of material and an article made thereby
US6033502A (en) * 1996-11-13 2000-03-07 Kimberly-Clark Worldwide, Inc. Process and apparatus for registering continuously moving stretchable layers
US6092002A (en) * 1996-11-13 2000-07-18 Kimberly-Clark Worldwide, Inc. Variable tension process and apparatus for continuously moving layers
US6264872B1 (en) * 1997-12-30 2001-07-24 Kimberly-Clark Worldwide, Inc. Method of forming thin, embossed, textured barrier films
US20030105443A1 (en) * 2000-07-10 2003-06-05 The Procter & Gamble Company Absorbent article comprising mircroporous film with registration mark
US6652686B1 (en) 1999-02-08 2003-11-25 Kimberly-Clark Worldwide, Inc. Processes and apparatus for making disposable absorbent articles
US20030234069A1 (en) * 2000-01-21 2003-12-25 Coenen Joseph Daniel Processes and apparatus for making disposable absorbent articles
US20040245264A1 (en) * 1998-03-20 2004-12-09 Mellet Kenneth J. Apparatus for dispensing tickets
US20060000372A1 (en) * 2004-06-30 2006-01-05 Seiko Epson Corporation Apparatus for processing target sheet and method of controlling embossing by apparatus for processing target sheet
US20130129451A1 (en) * 2010-07-26 2013-05-23 Do Hee Lee Method for manufacturing the tab of a can so as to be able to use the end thereof for promotional use
WO2016180441A1 (en) * 2015-05-08 2016-11-17 Hewlett-Packard Indigo B.V. Measured sensor distance correction
WO2017194299A1 (en) * 2016-05-11 2017-11-16 Windmöller & Hölscher Kg Method and device for printing a print stock web within a rotary printing press

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US2768827A (en) * 1952-06-07 1956-10-30 Electric Eye Equipment Company Registration control device
US2802666A (en) * 1953-11-05 1957-08-13 Crosfield J F Ltd Register control systems for moving webs
US2840370A (en) * 1956-08-07 1958-06-24 Electric Eye Equipment Co Registration control or indicating device
US3045165A (en) * 1957-01-30 1962-07-17 Robert L Littwin Electrical control means
US3068787A (en) * 1960-05-18 1962-12-18 Dall Oglio Giorgio Device for checking longitudinal registration on machines for performing repetitive operations on a continuous band
US3102471A (en) * 1961-04-03 1963-09-03 Champlain Company Inc Multiple correction registration system for multi-color printing press
US3120181A (en) * 1960-11-03 1964-02-04 Hurletron Inc Circumferential registration control
US3264983A (en) * 1964-02-18 1966-08-09 Champlain Company Inc Registration system for a moving web
US3329087A (en) * 1964-11-30 1967-07-04 Huck Regulation of repetitive pattern repeat length on a web
US3500744A (en) * 1967-08-17 1970-03-17 Modern Engraving & Machine Cor In-line carriage arrangement for embossing machines

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* Cited by examiner, † Cited by third party
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US2583580A (en) * 1947-01-08 1952-01-29 Askania Regulator Co Web register control system
US2768827A (en) * 1952-06-07 1956-10-30 Electric Eye Equipment Company Registration control device
US2802666A (en) * 1953-11-05 1957-08-13 Crosfield J F Ltd Register control systems for moving webs
US2840370A (en) * 1956-08-07 1958-06-24 Electric Eye Equipment Co Registration control or indicating device
US3045165A (en) * 1957-01-30 1962-07-17 Robert L Littwin Electrical control means
US3068787A (en) * 1960-05-18 1962-12-18 Dall Oglio Giorgio Device for checking longitudinal registration on machines for performing repetitive operations on a continuous band
US3120181A (en) * 1960-11-03 1964-02-04 Hurletron Inc Circumferential registration control
US3102471A (en) * 1961-04-03 1963-09-03 Champlain Company Inc Multiple correction registration system for multi-color printing press
US3264983A (en) * 1964-02-18 1966-08-09 Champlain Company Inc Registration system for a moving web
US3329087A (en) * 1964-11-30 1967-07-04 Huck Regulation of repetitive pattern repeat length on a web
US3500744A (en) * 1967-08-17 1970-03-17 Modern Engraving & Machine Cor In-line carriage arrangement for embossing machines

Cited By (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694634A (en) * 1971-08-16 1972-09-26 Armstrong Cork Co Pattern repeat length control system
US3774016A (en) * 1971-10-04 1973-11-20 Sun Chemical Corp Control of process according to registration indicia on material being processed
US3945317A (en) * 1972-06-28 1976-03-23 Umberto Brasa Web registration system using retrograde web movement
US3832064A (en) * 1972-12-29 1974-08-27 Armstrong Cork Co Pattern length measurement and control by continuous-statistical-correlation
US4072104A (en) * 1973-08-01 1978-02-07 Harris-Intertype Corporation Printing unit drive system
US3867889A (en) * 1973-08-03 1975-02-25 Stahl Urban Co Apparatus for seaming pieces of textile fabric or the like
US3974766A (en) * 1973-09-10 1976-08-17 Peter Zimmer Process for imprinting spaced-apart web sections with a composite pattern
US4009551A (en) * 1974-04-15 1977-03-01 The Dow Chemical Company Method and apparatus for registration of web material in forming filling and sealing industrial bags
US3987723A (en) * 1975-03-27 1976-10-26 Sperry Rand Corporation Phase adjustment mechanism for use with a magnetic read station of a band printer
US4366372A (en) * 1979-06-01 1982-12-28 Innovative Design, Inc. Apparatus and method for counting repetitive marks on a running web
US4598564A (en) * 1980-05-16 1986-07-08 Kurt Held Method of profiling metal strips
US4389009A (en) * 1980-05-30 1983-06-21 Kyoichi Yamashita High speed tape feeder
US4361260A (en) * 1980-06-27 1982-11-30 Hanlan Marc A Web registration control
US4334471A (en) * 1980-08-18 1982-06-15 Markem Corporation Reference printing on moving surface
US4590859A (en) * 1982-06-30 1986-05-27 Monarch Marking Systems, Inc. Method of printing by sensing variable indicia tag format length
US4572752A (en) * 1982-11-12 1986-02-25 Adolph Coors Company Control stretch laminating device
USRE32967E (en) * 1982-11-24 1989-06-27 Xerox Corporation Web tracking system
US4538515A (en) * 1983-04-13 1985-09-03 Marlin Manufacturing Corporation Printing machine with programmed control of print cylinder motor and web tractor feed motor
US4541335A (en) * 1983-12-09 1985-09-17 Rengo Co., Ltd. Web printing apparatus with printing plate cylinder and web speed control
US4658144A (en) * 1985-07-17 1987-04-14 Levi Strauss & Co. System for alignment and feeding cooperating fabric parts in sewing operations
US4682540A (en) * 1986-06-12 1987-07-28 Manville Corporation Method for emobssing a non-repeating design
US4757930A (en) * 1986-08-29 1988-07-19 Adolph Coors Company Web indicia reference signal generating system
US4781317A (en) * 1986-08-29 1988-11-01 Adolph Coors Company Phasing control system for web having variable repeat length portions
WO1988003119A1 (en) * 1986-10-27 1988-05-05 Adolph Coors Company Phasing control system for web having variable repeat length portions
EP0329701A1 (en) * 1986-10-27 1989-08-30 Graphic Packaging Corporation Phasing control system for web having variable repeat length portions
EP0329701A4 (en) * 1986-10-27 1990-05-14 Coors Co Adolph Phasing control system for web having variable repeat length portions.
US4896605A (en) * 1988-02-19 1990-01-30 Asea Brown Boveri Ltd Method of cut position determination for printing machines
US5073053A (en) * 1989-03-06 1991-12-17 Tokyo Electric Co., Ltd. Color discrimination apparatus for color ink ribbon
US5126578A (en) * 1989-07-15 1992-06-30 Bobst Sa Process and device for measuring displacement rates of a web running through a multi-color rotary printing press
US4984458A (en) * 1989-10-06 1991-01-15 A.M. International, Inc. System for measuring the relaxed length of a moving web
US4947685A (en) * 1989-10-06 1990-08-14 Am International, Inc. System for measuring the repeat length of a moving web
WO1991005219A1 (en) * 1989-10-06 1991-04-18 Am International, Inc. System for measuring the relaxed length of a moving web
US5081923A (en) * 1990-03-29 1992-01-21 Enamel Products & Plating Company Method of creating a registered pattern on a metal coil and associated apparatus
US5208796A (en) * 1991-01-03 1993-05-04 Xerox Corporation Method and apparatus for transverse image registration on photoreceptive belts
US5098507A (en) * 1991-01-28 1992-03-24 Mao Chen Chi Relieved plastic floor tile rolling press with an automatic alignment device
FR2672879A1 (en) * 1991-02-20 1992-08-21 Rollin Sa Continuous method for controlling an endless belt and machine for óoeuvre formatting method.
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