MXPA98007363A

MXPA98007363A - Deposit for you

Info

Publication number: MXPA98007363A
Application number: MXPA/A/1998/007363A
Authority: MX
Inventors: Man Ho Wang
Original assignee: Man Ho Wang
Priority date: 1998-03-23
Filing date: 1998-09-10
Publication date: 1999-09-01

Abstract

An ink reservoir is described for use in pad printing machines (pad printers) which includes a body for carrying the ink, several magnets enclosed completely within the body to prevent contact between the magnets and the ink and the solvent contained therein. the body. The body includes a first part that has several cavities to contain the magnets, and a second part that can be fixed to the first part to completely enclose the magnets. (Figure

Description

DEPOSIT FOR INK DESCRIPTION OF THE INVENTION The invention relates to an ink tank, and in particular to an ink tank for use in a pad printing machine (pad printer). Pad printing machines are mainly used for printing on uneven surfaces. It is conventional to provide an ink tank containing the ink in such a way that the ink is not exposed to the atmosphere. Such ink tanks can be made of hardened steel, aluminum, nylon, ceramic or some other similar plastic materials. An image of the model to be printed is grafted onto the upper surface of a steel plate. The ink tank is filled with ink and pressed against the steel plate with its open end coupled to the steel plate. During the relative movement of the ink tank through the upper surface of the steel plate, the ink is deposited on the image recorded on the steel plate, which is to be taken by the printing pad to subsequently print on a piece of work. Means have been devised to prevent leakage of the ink contained in the ink tank, allowing the relative smooth movement of the ink tank on the upper surface of the steel plate. One such means is to provide one or more magnets in the cavity of the ink tank, which serve to attract and fix the ink deposit to the plate. A disadvantage associated with that arrangement is that the magnets make direct contact and therefore can be corroded by the ink and / or the solvents, for example the slurry contained in the cavity of the ink tank. It is therefore an object of the present invention to provide an improved ink tank in which the aforementioned disadvantages are overcome, or at least provide a useful alternative to the public. According to the present invention, an ink tank is provided consisting of a body member for retaining the ink, and magnetic means characterized in that the magnetic means are wrapped almost completely inside the body. BRIEF DESCRIPTION OF THE DRAWINGS The invention will now be described by way of example and with reference to the accompanying drawings, in which: Figure 1 is an exploded view of a first embodiment of an ink tank according to the present invention; Figure 2 is a sectional side view of the ink tank shown in Figure 1; Figure 3 is an enlarged view of the part enclosed in a circle in Figure 2; Figure 4 is an exploded view of a second embodiment of an ink tank according to the present invention; Figure 5 is a sectional side view of an ink tank shown in Figure 4; and Figure 6 is an enlarged view of the part enclosed in a circle in Figure 5. A first embodiment of an ink tank according to the present invention is shown in Figures 3, generally designated as 10. The ink tank 10 includes a plastic body part 12 having a hollow cavity 14 for carrying the ink and the related solvent (s). The body part 12 includes a lower edge 15 having several cylindrical holes 1, each for receiving a magnet 18. An annular ring of plastic or metal 20 can be press fit to the edge 15 of the body part 12, for the purpose of completely wrapping the magnets 18, and preventing any contact of the magnets 18 with the ink and / or the solvent contained in the cavity 14 of the body part 12. As can be seen in figures 2 and 3, the magnets 18 are enclosed between the ring 20 and the body 12. In addition, the ring 20 includes an inner wall 21 that extends beyond the magnets 18, in order to eliminate or prevent the upward movement of the magnets 18.

The body part 12 includes a threaded upper portion 22 that can be threadably engaged with a cover 24. A screw 26 is received through a hole 28 in the cover 24. The position of the screw 26 in relation to the cover 24 can adjust to allow air and / or thinner to escape from the ink tank 10. At the bottom of the edge 15 of the body part 12 is fixed a ring 20 that can be made of ceramic or steel, which serves to clean the unwanted ink from the steel plate, and to keep the ink inside the cavity 14 of the body part 12. Figures 4 to 6 show a second embodiment of an ink tank according to the invention. present invention generally designated 50. The ink tank 50 includes a plastic body part 52 having a hollow cavity 54 for carrying the ink and related solvents. Beneath the body part 52 is an annular member 56 having several cylinder holes 58 each for receiving a magnet 60. The body part 52 and the annular member 56 can be coupled together by means of screws 62, for the purpose of completely enclosing the magnets 60, t preventing any contact of the magnets 60 with the ink and / or solvent contained in the cavity 54 of the body part 52. As can be seen in figures 5 and 6, the magnets 60 are enclosed between the body portion 52 and the annular member 56. The body portion 52 includes an inner wall 54 that extends beyond the magnets 60 in order to limit or prevent upward movement of the magnets 60. The body part 52 also includes a threaded upper portion 66 that can be threadably engaged with a cover 68. A screw 70 can be received through a hole 72 in the cover 68. The possession of the screw 70 in relation to the cover 68 can be adjusted to allow the r that the air and / or thinner escape from the ink tank 50. At the bottom of the annular member 56 is fixed a screw 74 that can be made of ceramic or steel, which serves to clean the unwanted ink from the steel plate, and to hold the ink within the cavity 54 of the body part 52. It is to be understood that the foregoing only illustrates two embodiments of the present invention and that various modifications and / or alterations may be made without departing from the spirit of the invention.

Claims

CLAIMS 1. An ink tank consisting of a body to carry the ink, and magnetic means, characterized in that the magnetic means are enclosed almost completely inside the body.
2. - An ink tank according to claim 1 further characterized in that the magnetic means consist of at least one magnet.
3. - An ink tank according to claim 2 further characterized in that the magnetic means consist of a plurality of magnets.
4. - An ink tank according to claim 1 further characterized in that the body consists of first and second body portions releasably coupled together.
5. - An ink tank according to claim 4 further characterized in that the first and second body portions are removably coupled together to enclose the magnetic means almost completely inside the body.
6. - An ink tank according to claim 5 further characterized in that the magnetic means are almost completely enclosed between the first and second body portions.
7. - An ink tank according to claim 4 further characterized in that the first and second body portions are coupled together with coupling means.
8. - An ink tank according to claim 7 further characterized in that the coupling means are a plurality of screws.
9. - An ink tank according to claim 4 further characterized in that the first and second body portions are coupled to each other under pressure.
10. - An ink tank according to claim 4 further characterized in that the first body portion consists of a plurality of cavities, each to receive at least a part of the magnet.
11. - An ink tank according to claim 9 further characterized in that the second body portion consists of an annular member.