CA1277176C - Process and apparatus for decorating a container - Google Patents
Process and apparatus for decorating a containerInfo
- Publication number
- CA1277176C CA1277176C CA000514255A CA514255A CA1277176C CA 1277176 C CA1277176 C CA 1277176C CA 000514255 A CA000514255 A CA 000514255A CA 514255 A CA514255 A CA 514255A CA 1277176 C CA1277176 C CA 1277176C
- Authority
- CA
- Canada
- Prior art keywords
- container
- nozzles
- decorating
- longitudinal axis
- image
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0442—Installation or apparatus for applying liquid or other fluent material to separate articles rotated during spraying operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
- B41J3/40733—Printing on cylindrical or rotationally symmetrical objects, e. g. on bottles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/413—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material for metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0082—Digital printing on bodies of particular shapes
- B41M5/0088—Digital printing on bodies of particular shapes by ink-jet printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/26—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for marking or coding completed packages
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Ink Jet (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Dot-Matrix Printers And Others (AREA)
- Printing Methods (AREA)
- Duplication Or Marking (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A process for decorating a substantially round or oval cross section container composed of metal, plastic, glass, compact material, cardboard or paper comprising applying a print style image to at least a portion of the walls of the container, particularly completely surrounding the container. The print style image is made according to the ink jet method by program controlled application of individual color dots along parallel circumferential lines on the walls of the container to form a dot-matrix pattern by ink or pigment lacquer jets. An apparatus for decorating the container according to the above process includes a holding device receiving the container which engages the container outside of the region of the surface of the container to be provided with the decorative image, a drive mechanism to rotate the container about the longitudinal axis of the container and a carriage device traveling continuously or stepwise parallel to the longitudinal axis of the container spaced from the container held in the holding device provided with a plurality of nozzles for the ink or pigment lacquer jets.
A process for decorating a substantially round or oval cross section container composed of metal, plastic, glass, compact material, cardboard or paper comprising applying a print style image to at least a portion of the walls of the container, particularly completely surrounding the container. The print style image is made according to the ink jet method by program controlled application of individual color dots along parallel circumferential lines on the walls of the container to form a dot-matrix pattern by ink or pigment lacquer jets. An apparatus for decorating the container according to the above process includes a holding device receiving the container which engages the container outside of the region of the surface of the container to be provided with the decorative image, a drive mechanism to rotate the container about the longitudinal axis of the container and a carriage device traveling continuously or stepwise parallel to the longitudinal axis of the container spaced from the container held in the holding device provided with a plurality of nozzles for the ink or pigment lacquer jets.
Description
~.~77~7~
PROCESS AND APPARATUS FOR DECORATING A COMTAINER
SPECIFICATION
Field of the Invention The present invention relates to a method of and to an apparatus for decorating a container and, more particularly, to a process and apparatus for decorating the walls of a yenerally round (circular, oval) cross section container composed of metal, plastic, glass, paper, composites or cardboard.
Background of the Invention One known process for decorating a substantially round or oval container comprises printing over at least a part of the walls of the container and possibly completely around the container.
Decorating the container by applying a print style image up to now has usually been done by printing rollers which are brought into contact with the container at the location where the image is to be formed. These press rollers must press with a predetermined pressure on the container to transfer the print style image. It is necessary to synchronize the peripheral speed of the press rollers and the container where their surfaces contact which results ir extraordinarily large force and expense especially when the container is on a moving conveyor.
Because of the contact between the surfaces of the container and the printing rollers, considerable damage to the image in the form of scratches, scrapes or the like can occur even when the smallest foreign body lodges between these contacting surfaces. A change of the print style imagQ requires a costly and time-consuming replacement of the rollers and the color device in this known process.
Also it is not usually possible to apply a half tone image to the container using this known process.
Obie.cts o~ the Invention It is an object of the invention to provide an improved s~.
, , . .
~77~7~
me~hod of and apparatus for decorating a container, especially for providing a print style image on the walls of a substantially round or oval cross section container which avoids the clrawbacks of the prior art.
It is also an object of the invention to provide an improved process and apparatus for decorating a container in which a print style image is provided on the walls of the container without pressing or contacting these walls with rollers.
It is another object of the invention to provide an improved process and apparatus for decorating a container in which a contact free transfer of different print style images is possible with one and the same apparatus.
Summary of the Invention These objects and others, which will become more apparent hereinafter, are attained in accordance with the invention in a process and apparatus for decorating a substantially round or oval container comprising applying a print style image to the walls of the container. This image extends at least over a part of the walls of the container and particularly completely surrounds the container.
According to the invention the improved process comprises generating the print style image by the ink jet method of pro~ram controlled application of individual color dots along a plurality of parallel circumferential lines on the walls of the container to form a dot-matrix pattern by ink or pigment lacquer jets.
The ink jet method is, of course, known for example, for applying labels to dif~erent packages such as those containing medication (German Open Patent Application 28 ~9 ~95), and is used also for applying a code strip for an optical sensor to a package. However these applications do not involve a surface covering imprint forming a decorative print style image for decoration of a container.
Thus the ink jet method allows a complex print image to be made with the help of color mixing and also by contactless application of individual colors to the surface of a container .
'' ,' ' ' ':' , .. .
. ~ : ,. , :
~77~76 which is not smooth so that for example with packiny containers the seam region of these containers can be included in the decorative image.
By suitable application of individual color dots close together along circumferential lines positioned parallel to each other on the wall o~ the container an image grid is formed which with the corresponding sequence of color dots appears optically like a continuous image and not as a dot-matrix grid. A change in decoration can be effected without pigment or press-roll or inking roll chanyes, but only by an appropriate change in the program for applying the individual color dots. Program control is undertaken electronically. Also half-tone images are generated is allowed by suitable choice of the grid or matrix with the help of partially overlapping color dots.
By applying the individual color dots along the parallel circumferential lines on the wall of the container the print style image may be made during a simple controllable relative motion of the container and the ink jet printing heads. Thus the container can be rotated while the device for making the ink and/or lacquer jets is held fixed. The individual color dots are thereby applied along parallel helical or spiral lines on the surface of the container by rotating the container about its longitudinal axis and simultaneously moving it in the direction of its longitudinal axis to produce the desired pitch for the helix or spiral.
The individual color dots can be applied directly side by side and/or partly overlapping each other which is useful for a half tone image. A conventionally digitally- -controlled ink-jet head is used for each color.
Instead o~ the above-described spiral motion o~ the rotating aontainer, it can also be simply rotated about its longitudinal axis while the nozzles for the jets of ink or other lacquers or pigments are moved stepwise along the longitudinal axis of the the container so that color dots are arrayed in rows in the longitudinal direction and around the circumference of the container.
In order to make a visually appealing decorative image covering, the container can be rotated about its longitudinal axis .
77~7~
and the nozzles moved along the longitudinal axis o~ the container so that the pitch of the spiral line on which the color dots are made by the nozæles corresponds to the width o~ the spiral line o~
color dots.
The process is particularly suitahle ~or a cylindrical container with a circular cross section and particularly for application o~ an image completely surrounding the container. On the other hand the process is not limited ~or use with this container.
Particularly a container having a shape which is somewhat dif~erent from one with a circular cross section container may be provided with a prink style image with this process and apparatus. In this case the spacing of the nozzles ~rom the adjacent container surface is held constant. This is necessary because if the spacing between the surface of the container and the nozzle tips varies then the size of the color dots and their shape varies. The uniformity of the image grid and also the appearance of the image on the surface would be disturbed by the partiall~ overlapping color dots.
The electronic program control in the ink jet method, allows the direct transfer o~ a print style image o~ an original image to the container to be pressed. For this purpose, the original image can be visually detected, divided into image points and the spatial and color coordinates o~ these image points, ascertained so that the coordinates associated with the image points can be converted to digital data which is fed into the program controlling the nozzles making the print style image on the container. Thus the diyital data can be supplied in the usual way to the appropriate body of data and called up by the program steps of the program to make the print image.
The apparatus ~or per~orming the method of the inventionl is simply ~ormed ~or making comparatively easily readily controllable relative motions o~ the container and the nozzles. This apparatus ~or Aecorating a substantially round or oval cross section container comprises a holding device receiving the container which engages the container outside of the annular surface o~ the container to be provided with the decorative image, ,, : .. , . ' ' ., ' ' ', .
, ' - ', ' . ' . .
., ~,:
~77~6 a drive mechanism to rotate the container about its longitudinal axis and a carriage device traveling continuously or stepwise parallel to the longitudinal axis of the container spaced from the container held in the holding device and provided with a plurality of nozzles for the pigment lac~uer jets.
Advantageously the holding device and the drive mechanism for the container and the carriage device together form a support or are provided on a common support. Furthermore, the carriage device has a C- or U- shape cross section holder for the nozzles directed to the surface of the container embracing the container.
In another embodiment of the invention, the carriage device has a cross slide for the nozzle carrier so that the nozzles can be moved in both longitudinal directions and in a direction transverse to the container.
A sensor for measurement of the spacing of the nozzles from the container can be provided and may be connected with a control and drive mechanism for moving the nozzles to or from the container.
Brief Description of the Drawing The above and other objects, features and advantages of the invention will become more readily apparent from the following specific description, reference being made to the accompanying highly diagrammatic drawing in which:
FIG. 1 is a cross sectional view of a first embodiment of an apparatus for decorating a container according to the invention taken along the section line I-I of FIG. 2;
FIG. 2 is a cross sectional view through the apparatus of FIG. 1 taken along the section line II-II of FIG. 1;
FIG. 3 is a plane projection of the interior surface of the nozzle tips and holder of the apparatus of FIG. 1;
FIG. 4 is a schematic side elevational view of a turntable and conveyor mechanism for the apparatus of FIGS. 1 and 2; and FIG. 5 is a cross sectional view similar to FIG. 1 showing another embodiment of the apparatus for decorating a ~7717~i container accordin~ to the invention.
Specific Description The container 1 to be printed seen in FI&. 1 is round (circular-section jar) in this example. The container 1 is received and clamped between the press plates 2 and 2a movable along the lonyitudinal axis of the container 1. The plate 2a is rotatably mounted on the shaft 3a while the plate 2 is nonrotatably attached to the shaft 3 which is driven by a motor 4.
Thus the plates 2 and 2a and the shafts 3 and 3a together comprise a holding device for the container 1, while the motor 4 comprises a drive mechanism for rotation of the container 1.
A carriage device 6 movable in the directions shown by the double arrow 7 and attached with a carriage drive motor 8 is mounted on a rail 5 running parallel to and spaced from the longitudinal axis of the container 1. The carriage device 6 supports a generally C-shape holder 9 which engages the container 1 to be decorated adjacent a portion of its sur~ace to be provided with the print style image 21 and which is equipped with a plurality of ink-jet nozzles and/or nozzle tips 10 to 13 directed at the container surface on its interior surface 9a facing the container 1. The individual nozzles and/or nozzle tips 10 to 13 can be equipped for application of different colors in order to provide the container 1 with a multicolor imprint.
The rotational motion of the container 1 produced by the motor 4 of the container drive mechanism and the travel in the direction of the longitudinal container axis la of the carriage device 6 produced by the carriage drive motor 8 can be synchronized by a control device 14 so that the portions of ink or pigmented material applied to the container 1 by the nozzles and/or the nozzle tips 10 to 13 are applied along parallel spiral lines 20 on the outer surface o~ the walls of the can 1. A
pattern scanner S can scan the pattern P and generate signals which, via microcomputer C, are used to control the rotation of the container ancl the discharge of the reactive color jets to produce the printed pattern.
': ' ' ' ~ ' " '. ' ' , ' , .
.
, ~77~7~
According to FIG. 3 a line through the centers or bases of the nozzles 10 to 13 and/or the nozzle tips is canted at about a predetermined angle ~ in the direction of the container longitudinal axis and of course the angle ff is so adjusted that the individual nozzles and/or nozzle bodies 10 to 13 with their inks and/or pigment lacquer jets can reach to the furthest points on the surface of the container 1 so that a covering multicolor imaye 21 can be applied to the entire surface of the container 1.
The nozzles and/or nozzle bodies 10 to 13 are thus according to FIG. 2 mounted spaced from each other at an angle about the rotation axis of the container 1.
FIG. 2 shows the feed path 24 for the container 1 along which the container 1 is fed to the printing station or along which it is transported away from the printing station.
According to FIG. 4, the container 1 which, in this case, has the shape of a bottle is transported by a turntable mechanism 15 along the feed path 24 according to FIG. 2 into the printing station and transported out again from this station.
FIG. 4 shows schematically a conveyor 16 on which the container 1 is conducted to the turntable mechanism 15. An additional conveyor not shown in the drawing takes the decorated container 1 and takes it away for further processing.
The container 1 reaches the press plate 2 drivable by a motor 4 and is held by the press plate 2a movable in the direction of the double arrow 17 clamped between these plates. The turntahle mechanism 15 is rotated about its central longitudinal axis 19 stepwise by a motor 18 so that the container 1 reaches the printing station shown in FIG. 2 which is illustrated schematically on the left side of FIG. 4. In this position the container 1 is set in rotational motion by the press plate 2 and the motor 4 attached to it, while the holder 9 with the nozzles 10 to 13 on its inner side 9a is moved in a direction parallel to the longitudinal axis la of the container 1 by the motor 8 as described in connection with FIGS. 1 to 3.
In the described device the printing of the container 1 occurs with the nozzles and/or nozzle tips 10 to 13 each ejecting pulsed jets of ink to form a succession of dots along a helical or .
, .
77~
spiral trajectory 20 on the surface.
Instead of this, however, in a second embodiment shown in FIG. 5, a stepping motor 8 which cooperates with the carriage 6 can produce a discontinuous motion of the carriage 6 over the outer surface of the can or container 1 to produce various color dots or several color dots on the container 1 with suitably positioned nozzle tips 10 to 13 in order to produce rows of color dots running parallel to each other on the circumference of the container 1 which form the desired printed image 21.
The embodiment shown in FIG. 5 is similar to the embodiment of FIGS. 1 to 4 except that a sensor 22 for measurement of the spacing of the nozzles 10 to 13 from the surface of the container is provided as well as a control and drive mechanism 24 for moving the nozzles 10 and 13 to and from the container 1.
Furthermore, the carriage device 6 has a cross-feed for the cross-slide 63 for the nozzles 10 to 13 so that the nozzles 10 to 13 can be moved in a direction transverse to the container 1 as well as in the longitudinal direction la of the container 1. Thus a round noncircular container 1 can be provided with a decorative image 21, the nozzles always remaining equidistant from the surface.
, ' ' ' ~
'
PROCESS AND APPARATUS FOR DECORATING A COMTAINER
SPECIFICATION
Field of the Invention The present invention relates to a method of and to an apparatus for decorating a container and, more particularly, to a process and apparatus for decorating the walls of a yenerally round (circular, oval) cross section container composed of metal, plastic, glass, paper, composites or cardboard.
Background of the Invention One known process for decorating a substantially round or oval container comprises printing over at least a part of the walls of the container and possibly completely around the container.
Decorating the container by applying a print style image up to now has usually been done by printing rollers which are brought into contact with the container at the location where the image is to be formed. These press rollers must press with a predetermined pressure on the container to transfer the print style image. It is necessary to synchronize the peripheral speed of the press rollers and the container where their surfaces contact which results ir extraordinarily large force and expense especially when the container is on a moving conveyor.
Because of the contact between the surfaces of the container and the printing rollers, considerable damage to the image in the form of scratches, scrapes or the like can occur even when the smallest foreign body lodges between these contacting surfaces. A change of the print style imagQ requires a costly and time-consuming replacement of the rollers and the color device in this known process.
Also it is not usually possible to apply a half tone image to the container using this known process.
Obie.cts o~ the Invention It is an object of the invention to provide an improved s~.
, , . .
~77~7~
me~hod of and apparatus for decorating a container, especially for providing a print style image on the walls of a substantially round or oval cross section container which avoids the clrawbacks of the prior art.
It is also an object of the invention to provide an improved process and apparatus for decorating a container in which a print style image is provided on the walls of the container without pressing or contacting these walls with rollers.
It is another object of the invention to provide an improved process and apparatus for decorating a container in which a contact free transfer of different print style images is possible with one and the same apparatus.
Summary of the Invention These objects and others, which will become more apparent hereinafter, are attained in accordance with the invention in a process and apparatus for decorating a substantially round or oval container comprising applying a print style image to the walls of the container. This image extends at least over a part of the walls of the container and particularly completely surrounds the container.
According to the invention the improved process comprises generating the print style image by the ink jet method of pro~ram controlled application of individual color dots along a plurality of parallel circumferential lines on the walls of the container to form a dot-matrix pattern by ink or pigment lacquer jets.
The ink jet method is, of course, known for example, for applying labels to dif~erent packages such as those containing medication (German Open Patent Application 28 ~9 ~95), and is used also for applying a code strip for an optical sensor to a package. However these applications do not involve a surface covering imprint forming a decorative print style image for decoration of a container.
Thus the ink jet method allows a complex print image to be made with the help of color mixing and also by contactless application of individual colors to the surface of a container .
'' ,' ' ' ':' , .. .
. ~ : ,. , :
~77~76 which is not smooth so that for example with packiny containers the seam region of these containers can be included in the decorative image.
By suitable application of individual color dots close together along circumferential lines positioned parallel to each other on the wall o~ the container an image grid is formed which with the corresponding sequence of color dots appears optically like a continuous image and not as a dot-matrix grid. A change in decoration can be effected without pigment or press-roll or inking roll chanyes, but only by an appropriate change in the program for applying the individual color dots. Program control is undertaken electronically. Also half-tone images are generated is allowed by suitable choice of the grid or matrix with the help of partially overlapping color dots.
By applying the individual color dots along the parallel circumferential lines on the wall of the container the print style image may be made during a simple controllable relative motion of the container and the ink jet printing heads. Thus the container can be rotated while the device for making the ink and/or lacquer jets is held fixed. The individual color dots are thereby applied along parallel helical or spiral lines on the surface of the container by rotating the container about its longitudinal axis and simultaneously moving it in the direction of its longitudinal axis to produce the desired pitch for the helix or spiral.
The individual color dots can be applied directly side by side and/or partly overlapping each other which is useful for a half tone image. A conventionally digitally- -controlled ink-jet head is used for each color.
Instead o~ the above-described spiral motion o~ the rotating aontainer, it can also be simply rotated about its longitudinal axis while the nozzles for the jets of ink or other lacquers or pigments are moved stepwise along the longitudinal axis of the the container so that color dots are arrayed in rows in the longitudinal direction and around the circumference of the container.
In order to make a visually appealing decorative image covering, the container can be rotated about its longitudinal axis .
77~7~
and the nozzles moved along the longitudinal axis o~ the container so that the pitch of the spiral line on which the color dots are made by the nozæles corresponds to the width o~ the spiral line o~
color dots.
The process is particularly suitahle ~or a cylindrical container with a circular cross section and particularly for application o~ an image completely surrounding the container. On the other hand the process is not limited ~or use with this container.
Particularly a container having a shape which is somewhat dif~erent from one with a circular cross section container may be provided with a prink style image with this process and apparatus. In this case the spacing of the nozzles ~rom the adjacent container surface is held constant. This is necessary because if the spacing between the surface of the container and the nozzle tips varies then the size of the color dots and their shape varies. The uniformity of the image grid and also the appearance of the image on the surface would be disturbed by the partiall~ overlapping color dots.
The electronic program control in the ink jet method, allows the direct transfer o~ a print style image o~ an original image to the container to be pressed. For this purpose, the original image can be visually detected, divided into image points and the spatial and color coordinates o~ these image points, ascertained so that the coordinates associated with the image points can be converted to digital data which is fed into the program controlling the nozzles making the print style image on the container. Thus the diyital data can be supplied in the usual way to the appropriate body of data and called up by the program steps of the program to make the print image.
The apparatus ~or per~orming the method of the inventionl is simply ~ormed ~or making comparatively easily readily controllable relative motions o~ the container and the nozzles. This apparatus ~or Aecorating a substantially round or oval cross section container comprises a holding device receiving the container which engages the container outside of the annular surface o~ the container to be provided with the decorative image, ,, : .. , . ' ' ., ' ' ', .
, ' - ', ' . ' . .
., ~,:
~77~6 a drive mechanism to rotate the container about its longitudinal axis and a carriage device traveling continuously or stepwise parallel to the longitudinal axis of the container spaced from the container held in the holding device and provided with a plurality of nozzles for the pigment lac~uer jets.
Advantageously the holding device and the drive mechanism for the container and the carriage device together form a support or are provided on a common support. Furthermore, the carriage device has a C- or U- shape cross section holder for the nozzles directed to the surface of the container embracing the container.
In another embodiment of the invention, the carriage device has a cross slide for the nozzle carrier so that the nozzles can be moved in both longitudinal directions and in a direction transverse to the container.
A sensor for measurement of the spacing of the nozzles from the container can be provided and may be connected with a control and drive mechanism for moving the nozzles to or from the container.
Brief Description of the Drawing The above and other objects, features and advantages of the invention will become more readily apparent from the following specific description, reference being made to the accompanying highly diagrammatic drawing in which:
FIG. 1 is a cross sectional view of a first embodiment of an apparatus for decorating a container according to the invention taken along the section line I-I of FIG. 2;
FIG. 2 is a cross sectional view through the apparatus of FIG. 1 taken along the section line II-II of FIG. 1;
FIG. 3 is a plane projection of the interior surface of the nozzle tips and holder of the apparatus of FIG. 1;
FIG. 4 is a schematic side elevational view of a turntable and conveyor mechanism for the apparatus of FIGS. 1 and 2; and FIG. 5 is a cross sectional view similar to FIG. 1 showing another embodiment of the apparatus for decorating a ~7717~i container accordin~ to the invention.
Specific Description The container 1 to be printed seen in FI&. 1 is round (circular-section jar) in this example. The container 1 is received and clamped between the press plates 2 and 2a movable along the lonyitudinal axis of the container 1. The plate 2a is rotatably mounted on the shaft 3a while the plate 2 is nonrotatably attached to the shaft 3 which is driven by a motor 4.
Thus the plates 2 and 2a and the shafts 3 and 3a together comprise a holding device for the container 1, while the motor 4 comprises a drive mechanism for rotation of the container 1.
A carriage device 6 movable in the directions shown by the double arrow 7 and attached with a carriage drive motor 8 is mounted on a rail 5 running parallel to and spaced from the longitudinal axis of the container 1. The carriage device 6 supports a generally C-shape holder 9 which engages the container 1 to be decorated adjacent a portion of its sur~ace to be provided with the print style image 21 and which is equipped with a plurality of ink-jet nozzles and/or nozzle tips 10 to 13 directed at the container surface on its interior surface 9a facing the container 1. The individual nozzles and/or nozzle tips 10 to 13 can be equipped for application of different colors in order to provide the container 1 with a multicolor imprint.
The rotational motion of the container 1 produced by the motor 4 of the container drive mechanism and the travel in the direction of the longitudinal container axis la of the carriage device 6 produced by the carriage drive motor 8 can be synchronized by a control device 14 so that the portions of ink or pigmented material applied to the container 1 by the nozzles and/or the nozzle tips 10 to 13 are applied along parallel spiral lines 20 on the outer surface o~ the walls of the can 1. A
pattern scanner S can scan the pattern P and generate signals which, via microcomputer C, are used to control the rotation of the container ancl the discharge of the reactive color jets to produce the printed pattern.
': ' ' ' ~ ' " '. ' ' , ' , .
.
, ~77~7~
According to FIG. 3 a line through the centers or bases of the nozzles 10 to 13 and/or the nozzle tips is canted at about a predetermined angle ~ in the direction of the container longitudinal axis and of course the angle ff is so adjusted that the individual nozzles and/or nozzle bodies 10 to 13 with their inks and/or pigment lacquer jets can reach to the furthest points on the surface of the container 1 so that a covering multicolor imaye 21 can be applied to the entire surface of the container 1.
The nozzles and/or nozzle bodies 10 to 13 are thus according to FIG. 2 mounted spaced from each other at an angle about the rotation axis of the container 1.
FIG. 2 shows the feed path 24 for the container 1 along which the container 1 is fed to the printing station or along which it is transported away from the printing station.
According to FIG. 4, the container 1 which, in this case, has the shape of a bottle is transported by a turntable mechanism 15 along the feed path 24 according to FIG. 2 into the printing station and transported out again from this station.
FIG. 4 shows schematically a conveyor 16 on which the container 1 is conducted to the turntable mechanism 15. An additional conveyor not shown in the drawing takes the decorated container 1 and takes it away for further processing.
The container 1 reaches the press plate 2 drivable by a motor 4 and is held by the press plate 2a movable in the direction of the double arrow 17 clamped between these plates. The turntahle mechanism 15 is rotated about its central longitudinal axis 19 stepwise by a motor 18 so that the container 1 reaches the printing station shown in FIG. 2 which is illustrated schematically on the left side of FIG. 4. In this position the container 1 is set in rotational motion by the press plate 2 and the motor 4 attached to it, while the holder 9 with the nozzles 10 to 13 on its inner side 9a is moved in a direction parallel to the longitudinal axis la of the container 1 by the motor 8 as described in connection with FIGS. 1 to 3.
In the described device the printing of the container 1 occurs with the nozzles and/or nozzle tips 10 to 13 each ejecting pulsed jets of ink to form a succession of dots along a helical or .
, .
77~
spiral trajectory 20 on the surface.
Instead of this, however, in a second embodiment shown in FIG. 5, a stepping motor 8 which cooperates with the carriage 6 can produce a discontinuous motion of the carriage 6 over the outer surface of the can or container 1 to produce various color dots or several color dots on the container 1 with suitably positioned nozzle tips 10 to 13 in order to produce rows of color dots running parallel to each other on the circumference of the container 1 which form the desired printed image 21.
The embodiment shown in FIG. 5 is similar to the embodiment of FIGS. 1 to 4 except that a sensor 22 for measurement of the spacing of the nozzles 10 to 13 from the surface of the container is provided as well as a control and drive mechanism 24 for moving the nozzles 10 and 13 to and from the container 1.
Furthermore, the carriage device 6 has a cross-feed for the cross-slide 63 for the nozzles 10 to 13 so that the nozzles 10 to 13 can be moved in a direction transverse to the container 1 as well as in the longitudinal direction la of the container 1. Thus a round noncircular container 1 can be provided with a decorative image 21, the nozzles always remaining equidistant from the surface.
, ' ' ' ~
'
Claims (6)
1. An apparatus for decorating at least a portion of the wall of a substantially round or oval container composed of metal, glass, plastic, paper, compact material or cardboard, comprising a retaining device for holding the containers individually, said device engaging the containers outside of the area to be printed, a drive device for rotating the containers in the retaining device about their longitudinal axis, a slide arrangement spaced from the container, located in the retaining device, and movable continuously or in steps in parallel with the longitudinal axis of the container, the slide arrangement having nozzles directed at the container, said nozzles being adapted to produce the decoration as a raster picture utilizing ink jets and the program-controlled application of individual coloured dots along parallel peripheral lines on the walls of the container to be decorated, a sensor for measuring the spacing of the nozzles from the container in the direction of the jet, and a control and drive device for displacing the nozzles in a direction towards or away from the container.
2. A device according to claim 1 wherein the retaining device and the drive device for the container and the movable slide arrangement are formed as a support.
3. A device according to claim 1 wherein the slide arrangement has a support for the nozzles which are directed at the surface of the container, said support having a C- or U-shaped cross-section adapted to engage the container to be printed.
4. A device according to any one of claims 1, 2 or 3 wherein the slide arrangement has a cross slide with a retaining device for the nozzles for moving the nozzles longitudinally and transversely of the container.
5. A method of decorating an annular wall of a container composed of metal, glass, plastic, paper, compact material or cardboard, comprising the steps of applying individual coloured dots along parallel peripheral lines on the surface of the walls of the container as a raster picture utilizing a program-controlled technique while the distance of the spray nozzles from the surface of the container opposite the jets is held constant.
6. A method of decorating an annular wall of a container composed of metal, glass, plastic, paper, compact material or cardboard, comprising scanning an original optically and subdividing the original into dots by depicting the spatial and the colour coordinates, converting the coordinates associated with the dots into digital data, feeding the data to a program-controlled unit for spray nozzles, and applying individual coloured dots along parallel peripheral lines on the surface of the container to produce a copy of the original as a raster picture.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3526769.0 | 1985-07-26 | ||
| DE19853526769 DE3526769A1 (en) | 1985-07-26 | 1985-07-26 | METHOD FOR DECORATING METAL OR PLASTIC CONTAINERS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1277176C true CA1277176C (en) | 1990-12-04 |
Family
ID=6276838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000514255A Expired - Lifetime CA1277176C (en) | 1985-07-26 | 1986-07-21 | Process and apparatus for decorating a container |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0209896B1 (en) |
| JP (1) | JPS6227170A (en) |
| AT (1) | ATE50167T1 (en) |
| CA (1) | CA1277176C (en) |
| DE (2) | DE3526769A1 (en) |
| DK (1) | DK330286A (en) |
| ES (1) | ES2000753A6 (en) |
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| EP2239144A2 (en) | 2007-12-31 | 2010-10-13 | On-Laser Systems & Applications, S. L. | Method and arrangement for rotational marking |
| US8141970B2 (en) | 2006-07-20 | 2012-03-27 | Ball Packaging Europe Gmbh | Method and device for decorating an uneven surface of a dimensionally stable object |
| US9132664B2 (en) | 2007-08-03 | 2015-09-15 | Khs Gmbh | Device and method for adding information on the outer surface of articles, such as containers in a container filling plant |
| US9259952B2 (en) | 2011-04-28 | 2016-02-16 | Toyo Seikan Group Holdings, Ltd. | Ink-jet printing apparatus and method of printing seamless cans by using the same printing apparatus |
| US9302506B2 (en) | 2008-06-24 | 2016-04-05 | Plastipak Packaging, Inc. | Apparatus and method for printing on articles having a non-planar surface |
| CN109367257A (en) * | 2017-04-03 | 2019-02-22 | 施乐公司 | Object holder for the object printer that goes directly |
| EP1636032B1 (en) | 2003-06-05 | 2020-11-25 | Ball Beverage Packaging Europe Limited | Digital can decorating apparatus |
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| DE3603126A1 (en) * | 1986-02-01 | 1987-08-06 | Schmalbach Lubeca | METHOD AND DEVICE FOR APPLYING LIQUID CORROSION PROTECTIVE AGENTS ON CORROSION HAZARDOUS AREAS OF PACKAGING CONTAINERS OR CONTAINER PARTS |
| DE3820340C1 (en) * | 1988-06-15 | 1989-06-22 | Tampoflex Gmbh, 7257 Ditzingen, De | Pad printing machine |
| JP2892658B2 (en) * | 1988-11-18 | 1999-05-17 | 尾池工業株式会社 | Gold and silver thread |
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| DE4039742A1 (en) * | 1990-12-08 | 1992-06-11 | Francotyp Postalia Gmbh | LIQUID JET PRINTING DEVICE FOR STAMPING AND VALUE STAMPING MACHINES |
| ES2073983B1 (en) * | 1993-03-12 | 1996-03-01 | Cano Mariana Domene | PROCEDURE FOR THE PRIMING OF DRAWINGS IN GLASS BOTTLES. |
| DE19532724A1 (en) * | 1995-09-05 | 1997-03-06 | Tampoprint Gmbh | Multi-color printing device |
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| EP1038782A1 (en) * | 1999-03-22 | 2000-09-27 | The Procter & Gamble Company | In line production of solid objects |
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| DE10302484A1 (en) * | 2003-01-23 | 2004-08-05 | Abb Patent Gmbh | Process to print an image on ultra-smooth plastic surface e.g. electronic chips by exposure to computer-controlled inkjet cartridge and subsequent coating |
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| FR2870478B1 (en) * | 2004-05-19 | 2006-07-14 | Syndicat Interprofessionnel De | DEVICE FOR MARKING THE HEEL OF A CHEESE |
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| DE102006001223A1 (en) | 2006-01-10 | 2007-07-12 | Khs Ag | Apparatus for printing on bottles or similar containers |
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| DE102011009395A1 (en) | 2011-01-25 | 2012-07-26 | Krones Aktiengesellschaft | Apparatus and method for printing on containers |
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| US2721535A (en) * | 1953-11-09 | 1955-10-25 | Owens Illinois Glass Co | Apparatus for decorating glassware |
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| JPS5237430A (en) * | 1975-09-19 | 1977-03-23 | Hitachi Ltd | Ink jet recording device |
| US4168662A (en) * | 1978-04-28 | 1979-09-25 | American Can Company | Videojet ink for printing on food products |
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| AU1175183A (en) * | 1982-03-08 | 1983-09-15 | Kiwi Coders Corp. | Variable size ink printing |
-
1985
- 1985-07-26 DE DE19853526769 patent/DE3526769A1/en not_active Withdrawn
-
1986
- 1986-07-11 DK DK330286A patent/DK330286A/en not_active Application Discontinuation
- 1986-07-18 JP JP61168247A patent/JPS6227170A/en active Pending
- 1986-07-21 CA CA000514255A patent/CA1277176C/en not_active Expired - Lifetime
- 1986-07-23 DE DE8686110123T patent/DE3668799D1/en not_active Expired - Lifetime
- 1986-07-23 AT AT86110123T patent/ATE50167T1/en not_active IP Right Cessation
- 1986-07-23 EP EP86110123A patent/EP0209896B1/en not_active Expired - Lifetime
- 1986-07-24 ES ES8600587A patent/ES2000753A6/en not_active Expired
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1636032B1 (en) | 2003-06-05 | 2020-11-25 | Ball Beverage Packaging Europe Limited | Digital can decorating apparatus |
| US8141970B2 (en) | 2006-07-20 | 2012-03-27 | Ball Packaging Europe Gmbh | Method and device for decorating an uneven surface of a dimensionally stable object |
| US9132664B2 (en) | 2007-08-03 | 2015-09-15 | Khs Gmbh | Device and method for adding information on the outer surface of articles, such as containers in a container filling plant |
| EP2239144A2 (en) | 2007-12-31 | 2010-10-13 | On-Laser Systems & Applications, S. L. | Method and arrangement for rotational marking |
| US9302506B2 (en) | 2008-06-24 | 2016-04-05 | Plastipak Packaging, Inc. | Apparatus and method for printing on articles having a non-planar surface |
| US9259952B2 (en) | 2011-04-28 | 2016-02-16 | Toyo Seikan Group Holdings, Ltd. | Ink-jet printing apparatus and method of printing seamless cans by using the same printing apparatus |
| CN109367257A (en) * | 2017-04-03 | 2019-02-22 | 施乐公司 | Object holder for the object printer that goes directly |
| CN109367257B (en) * | 2017-04-03 | 2021-04-20 | 施乐公司 | Object holder for direct object printer |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3668799D1 (en) | 1990-03-15 |
| EP0209896A2 (en) | 1987-01-28 |
| EP0209896A3 (en) | 1987-07-22 |
| ES2000753A6 (en) | 1988-03-16 |
| DK330286D0 (en) | 1986-07-11 |
| DK330286A (en) | 1987-01-27 |
| EP0209896B1 (en) | 1990-02-07 |
| DE3526769A1 (en) | 1987-01-29 |
| JPS6227170A (en) | 1987-02-05 |
| ATE50167T1 (en) | 1990-02-15 |
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Legal Events
| Date | Code | Title | Description |
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| MKLA | Lapsed |