JP2003220688A - Method for printing surface of ridge of container and printing machine therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for printing the surface of the ridge provided to a container so as to extend in the peripheral direction of the container, especially applying printing to the surface of the ridge provided to the peripheral edge of the arcuate surface of the container, which has a body formed from opposed front and rear surfaces and the arcuate surface extending in a forward and rearward direction, to color the surface of the ridge, and a printing machine using the printing method. <P>SOLUTION: In the method for printing the surface of the ridge of the container equipped with a mouth and the body formed from front and rear surfaces opposite to each other and the arcuate surface extending in the forward and rearward direction, and provided with the ridge provided to the peripheral edge part of the arcuate surface so as to extend in the peripheral direction thereof, the arcuate surface of the body part of the container and a printing roller are rotated synchronously, and the printing surface of the printing roller is brought into contact with the surface of the ridge to apply printing to the surface of the ridge. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing method and a printing machine for a ridge surface of a container.

[0002]

The body has a front and rear surface formed by a straight line and an arc formed by cutting the upper and lower sides of a circular surface, and an arc surface extending in the front-rear direction. The upper and lower cut surfaces are the shoulder wall and the bottom wall. The above-mentioned container is conventionally known.

As a method of decorating the above-mentioned container, a ridge extending in the circumferential direction is formed on the peripheral edge of the arc surface of the container body, and the surface of the ridge is colored so that the ridge and the color of the ridge surface are used. Although an innovative design has been proposed, in the conventional printing method, since the mouth of the container is obstructed during printing, it is not possible to print the peripheral edges on both sides of the cylindrical surface at the same time. There was a problem of being bad. Further, when using a printing plate, there is a problem that the positioning of the printing plate must be accurate.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and a method of printing on a circumferentially extending ridge surface in a container and a printing machine, particularly a front and rear surfaces facing each other and an arc surface extending in the front and rear direction. In a container having a body that is
It is an object of the present invention to provide a printing method and a printing machine in which a ridge is provided on the peripheral edge of an arc surface, and the surface of the ridge can be printed and colored.

[0005]

In order to solve the above-mentioned problems, the present invention provides a method for printing on the surface of a ridge of a container, which is formed by a mouth portion, front and rear surfaces facing each other, and arcuate surfaces extending in the front-rear direction. A method for printing on the surface of a ridge of a container, comprising: a body provided with a ridge extending in the circumferential direction at the peripheral edge of the surface, wherein the arc surface of the body of the container and a printing roller are rotated in synchronization. The printing surface of the printing roller is brought into contact with the surface to print on the surface of the ridge.

As a method of printing the surface of the ridge of the container according to another embodiment, the ridge surface of a container having a mouth portion and a body portion formed by a cylindrical surface and provided with a ridge extending in the circumferential direction on the cylindrical surface is used. A printing method, wherein the cylindrical surface of the container body and the printing roller are rotated in synchronization, and the printing surface of the printing roller is brought into contact with the surface of the ridge to perform printing on the surface of the ridge. Adopt a configuration.

In a printing machine including a printing unit and a container holding device for rotating a held container in synchronism with the printing unit as a printing machine for carrying out the first printing method, a printing roller of the printing unit comprises: A circumferential groove that allows the mouth of the container to move is engraved in the center of the circumferential surface over the entire circumference, and rubber or other soft material is wound around both sides of the groove as printing surfaces. The configuration is characterized in that the ink is transferred onto the entire printing surface.

In a printing machine including a printing unit and a container holding device for rotating a held container in synchronization with the printing unit as a printing machine for carrying out the printing method of another embodiment, a printing roller of the printing unit is Wrap rubber or other soft material around the entire circumference to create a printing surface.
Ink is supplied from an ink fountain through a calling roller, a reciprocating roller, and a receiving roller, and the ink is transferred onto the entire printing surface.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an outline of a printing machine of the present invention will be described with reference to the drawings. FIG. 1 shows an outline of a printing machine. In the figure, A is a container having a surface to be printed, B is a printing machine, B1 is a printing unit, and B2 is a container holding device.

First, the structure of the container A will be described. As shown in FIG. 2, the container A is a blow-molded container and includes a mouth portion 1, a shoulder portion 2, a body portion 3 and a bottom portion 4. The approximate shape of the container A is formed by circular arcs and straight lines that are obtained by cutting the upper and lower sides of a circular surface, and the front and rear surfaces 5a and 5b of the track-like ellipse that face each other in the front-rear direction and the circular arc surface 6 that connects the arcs and extends in the front-rear direction. And upper and lower cut surfaces 7a and 7b. The shoulder portion 2 is formed by the upper cut surface 7a and has a quadrilateral flat wall surface 2a having the mouth portion 1 at the center thereof.

The body 3 is composed of front and rear surfaces 5a and 5b and an arcuate surface 6, and a connecting portion 8 between the front and rear surfaces 5a and 5b and the arcuate surface 6 is rounded to form a curved surface. A ridge 9 is provided along the peripheral edge of the surface 6. The bottom portion 4 is formed by the lower cut surface 7b and is a flat flat bottom wall 4a.

As shown in FIGS. 1 and 3, the printing machine B includes a printing unit B1 and a container holding device B2. The printing unit B1 includes an ink fountain 10 containing ink i, an ink source roller 11, an ink feeding roller 12, a reciprocating roller 13, a receiving roller 14 and a printing roller 15, and each roller is a machine of the printing machine B. It is rotatably supported by the frame a. The ink source roller 11, the reciprocating roller 13, and the printing roller 15 are rotationally driven by drive devices 11a, 13a, 15a.

The ink feeding roller 12 is rotatably supported by the machine frame a and is supported by a swing arm 16 which is swung by a drive unit 12a. The reciprocating roller 13 is driven by a drive device 13a so as to reciprocate in the direction of the roller shaft at the same time as the rotation, in order to make the ink supply uniform in the width direction, similarly to the known one.

A circumferential groove 17 is formed in the center of the circumferential surface of the printing roller 15, and printing surfaces 18a, 18 are provided on both sides of the circumferential groove 17.
b is formed. The width of the circumferential groove 17 is larger than the maximum outer diameter portion of the mouth portion 1 so that the container mouth portion 1 can pass, and the depth is larger than the height from the shoulder portion 2 to the top surface of the mouth portion 1, The container mouth 1 is allowed to move freely within the circumferential groove 17.

The printing surfaces 18a and 18b are wound with a material such as rubber or other soft material so that the ink i is transferred to the corners of the surface and the peripheral edge even if the surface to be printed is a ridge. Has become. When the printing unit B1 is driven, the printing ink i is transferred from the ink fountain 10 through each roller and transferred to the printing surfaces 18a and 18b of the printing roller 15.

As shown in FIGS. 3 and 4 (a), the container holding device B2 has a base b mounted on a machine frame a of the printing machine B so as to be movable left and right by a drive device, and a frame of the base b. The plate 20 includes a holding table 22 attached to a support rod 21 rotatably supported on the plate 20, and a holding member 23 also attached to the frame plate 20 so as to be movable back and forth. The holding table 22 is rotated in synchronization with the printing roller 15 by the drive device 22a, and the pressing member 23 is
It is moved back and forth by the drive device 23a.

As shown in FIG. 4B, the holding table 22 is
The outer circumference thereof has the same diameter as the circular arc surface 6 of the container A, and a protruding strip 25 projecting from the supporting surface 24 of the container A is formed on the peripheral edge thereof. , B and the circular arc surface 6 are contact surfaces that match the curved surface of the connecting portion 8.

At a position corresponding to the shoulder portion 2 of the container A, a projecting piece 26 whose inner surface engages with the wall surface 2a is projected, and at a position corresponding to the bottom portion 4, the inner surface is joined to the flat bottom wall 4a. A protruding piece 27 is provided upright. A positioning member for the container A is formed by the protruding strips 25 and the projecting pieces 26, 27 on the periphery of the holding table 22.

As shown in FIG. 4A, the pressing member 23
Includes a support rod 28 attached to the frame plate 20 so as to be slidable back and forth and a support arm 29 provided upright on the front end of the support rod 28. A drive device 23a is engaged with the rear end of the support rod 28 to move the pressing member 23 back and forth. A support shaft 30 is connected to the support arm 29, and a rotatable presser plate 31 is attached to the tip of the support shaft 30. The outer circumference of the pressing plate 31 is substantially equal to or smaller than the outer shape of the front and rear surfaces 5, and cooperates with the holding table 22 to hold the container A at a predetermined position.

Next, the printing of the container A will be described. In printing, first, the container A is mounted on the holding table 22 of the container holding device B2. Upon mounting, the container body 3 is joined to the support surface 24 by aligning the front and rear surfaces 5b with the protrusions 25, the container flat bottom wall 4a is joined to the projecting piece 27, and the wall surface 2a is joined to the projecting piece 26. By doing so, the container A can be positioned at a predetermined position and held by the support base 22.

Then, the driving device 23a operates the pressing member 23 and presses the front and rear surfaces 5a with the pressing plate 31, whereby the container A is accurately aligned and securely held.

Next, the container holding device B2 is moved to a printing position where the surface of the ridge 9 comes into contact with the printing roller 15, as shown in FIG. 5 (a). The printing machine B is driven along with the movement to the printing position, and the printing roller 15 of the printing unit B1 is driven.
And the container A held by the container holding device B2 are synchronously rotated, and the printing surfaces 18a and 18b of the printing roller 15 and the surface of the ridge 9 of the container A are rotated while being in contact with each other, so that the printing surfaces 18a and 18b are rotated. Ink i is printed on the surfaces of the ridges 9 on both sides and colored. At this time, since the circumferential groove 17 is formed in the center of the printing roller 15, the container opening 1 does not collide with the printing roller 15 and is smooth, as shown in FIG. 5B. Is printed.

Next, a container of the second embodiment in which the shape of the container is different and the printing method thereof will be described. As shown in FIG. 6, the container Aa includes a mouth portion 40, a shoulder portion 41, a body portion 42 formed by a cylindrical surface, and a bottom portion 43. Three protrusions 44a, 44b, and 44c, which are located at the upper, middle, and lower sides and extend in the circumferential direction, are provided on the surface of the body portion 42, and the surface is colored by printing. A circular recess 45 is formed in the center of the bottom portion 43, and a positioning recess 46 is provided around the circular recess 45.

As shown in FIG. 7, as the printing unit B1a of the printing machine for the container Aa, as in the printing unit of the first embodiment, an ink fountain, an ink source roller (not shown), an ink feeding roller 12a, and a reciprocating roller 13a. , Wearing roller 1
4a is used, and as the printing roller 50, a cylindrical rotating roller having a surface wound with rubber is used.

As shown in FIG. 8, as a holding base of the holding device B2a, a protrusion 51 that engages with the recess 45 of the container bottom 43.
And a holding table 53 having a protruding pin 52 that moves in and out via a spring that engages with the positioning recess 46 is employed. As the pressing member, a pressing member 55 having a conical pressing member 54 rotatably attached to its tip is adopted.

As the rotational drive device 53a of the holding table 53 of the holding device B2a, a driving device which can move the holding table 53 in the axial direction together with the rotational driving of the holding table 53 is adopted unlike the previous embodiment.

When printing the container Aa, the container Aa is held between the holding table 53 of the container holding device B2a and the holding member 55 with the axial direction of the container Aa and the axial direction of the printing roller 50 being the same, and printing is performed. The circumferential surface of the roller 50 is the container Aa.
Printing is performed on one of the surfaces of the ridge 44a of the body by contacting the surface. Next, the container holding device B2a is moved in the front-rear direction, and the surfaces of the next ridges 44b and 44c are sequentially printed and colored. Thus, a container in which the cylindrical body is decorated with the protrusions 44 colored on the top and bottom of the three strips is obtained.

[0028]

Since the present invention is constructed as described above, it has the following effects. By using a printing roller with a rubber or other soft material wrapped around the printing surface to transfer the ink to the entire printing surface, it is possible to rotate the container synchronously so that the printing surface contacts the ridge surface. , It became possible to easily print and color the surface of ridges.

Since the printing roller is provided with a circumferential groove in which the container opening can move freely, the container body is pressed and held in the front-rear direction so as to be provided on the arc surface extending in the direction orthogonal to the axial direction. Printing is applied to the surface of the ridge so that it can be colored.

Therefore, a novel design could be obtained by the shape of the ridge and the color of the surface of the ridge.

[Brief description of drawings]

FIG. 1 is a front view illustrating an outline of a printing machine of the present invention.

2A and 2B are explanatory views showing a container, FIG. 2A is a top view, and FIG.
Is a front view and (c) is a side view.

FIG. 3 is a plan view illustrating the outline of a printing machine.

4A and 4B are diagrams illustrating an outline of a container holding device, FIG. 4A is a side view illustrating the holding device, and FIG. 4B is a side view of a holding base;
(C) is a front view of a holding stand.

5A and 5B are explanatory views at the time of printing, FIG. 5A is a front view of the container at a printing position, and FIG. 5B is a top view when the container opening is located in the groove of the printing roller.

FIG. 6 is an explanatory view of a container according to another embodiment, (a) is a top view, (b) is a front view, and (c) is a bottom view.

FIG. 7 is an explanatory diagram of a printing roller and a container holding device according to another embodiment.

8A and 8B are explanatory views of the container holding device, FIG. 8A is a side view illustrating the holding device, FIG. 8B is a front view of the holding base, and FIG. 8C is a side view of the holding base.

[Explanation of symbols]

A, Aa container B printing machine B1, B1a printing unit B2, B2a container holding device a machine frame b base i ink 1, 40 mouth 2,41 shoulder 2a wall surface 3, 42 torso 4,43 bottom 4a Flat bottom wall 5a, b front and back surfaces 6 arc part 7a Top cut surface 7b Lower cut surface 9, 44a, b, c ridges 15,50 printing rollers 17 circumferential groove 18a, b Printing surface 20 frame plate 21 Support rod 22, 53 holding table 23, 55 Presser member 26, 27 protruding piece 30 support shaft 31 Presser plate 53a Rotational drive device 54 Presser foot

Claims (4)

[Claims] 1. A ridge surface of a container having a mouth portion, a front and rear surface facing each other, and a body portion having a ridge extending in the front-rear direction and having a ridge extending in the circumferential direction at a peripheral portion of the arc surface. The printing method is for printing on the ridge surface by rotating the arc surface of the container body and the printing roller in synchronism so that the printing surface of the printing roller contacts the ridge surface. How to print on the surface of the container ridges. 2. A method for printing on a ridge surface of a container, comprising: a mouth portion; and a body portion having a cylindrical surface and provided with a ridge extending in the circumferential direction on the cylindrical surface. A method for printing on the surface of a ridge of a container, characterized in that the surface of the ridge and the printing roller are synchronously rotated so that the printing surface of the printing roller is brought into contact with the surface of the ridge to print on the surface of the ridge. 3. A printing machine comprising a printing unit and a container holding device for rotating the held container in synchronism with the printing unit, wherein a printing roller of the printing unit has a container opening at the center of its circumferential surface. A circumferential groove that allows the part to move is engraved over the entire circumference, and with both sides as the printing surface, wrap a material of rubber or other soft material, and transfer the ink to the entire printing surface of the printing roller. A printing machine characterized by the above. 4. A printing machine comprising a printing unit and a container holding device for rotating a held container in synchronism with the printing unit, wherein the printing roller of the printing unit has rubber on its entire circumferential surface,
A printing machine characterized by winding another soft material as a printing surface, supplying ink from an ink fountain through a calling roller, a reciprocating roller, and a receiving roller, and transferring the ink to the entire printing surface. .