JP2005041157A - Self-inking rubber stamp and its manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a self-inking rubber stamp, in which no ink leakage occurs and, in addition, which has favorable cushioning properties. <P>SOLUTION: This self-inking rubber stamp comprises an open-cell foam type thermoplastic resin sealing-faced body 10 with a stamping face 11, an annular closed-cell foam type thermoplastic resin cushioning body 20, which is pasted on the rear surface of the sealing-faced body and has a hollow part 21 at its center, an open-cell foam type resin ink impregnated body 30, which is provided in the hollow part of the cushioning body and is impregnated with the ink, and a holder 40 holding the sealing-faced body, cushioning body and ink impregnated body. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【Technical field】
[0001]
The present invention relates to a penetrating mark that supplies ink from an ink impregnated body impregnated with ink to a printing surface.
[Background]
[0002]
There is known a penetrating mark in which an ink impregnated body is attached to the back surface of a stamped body having a stamped surface formed on the surface, and this is mounted on a holder. This type of penetrating stamp has the convenience that it can be continuously printed without ink each time.
[0003]
However, the conventional penetrating stamp has a problem that the ink impregnated in the ink impregnated body leaks from the periphery of the ink impregnated body and leaks to the surface of the stamped body, and the paper surface becomes dirty at the time of printing.
[Patent Document 1]
Japanese Patent Laid-Open No. 11-309933 [Disclosure of Invention]
[0004]
An object of the present invention is to provide a penetrating mark that does not leak ink and has good cushioning properties.
[0005]
In order to achieve the above object, according to the present invention, a continuous foamed thermoplastic resin stamping surface having a marking surface, and an annular independent foaming die attached to the back surface of the stamping surface and having a hollow portion in the center. A cushioning body made of thermoplastic resin, an ink-impregnated body made of continuous foam type resin that is provided in a hollow portion of the cushioning body, and impregnated with ink; a holder that holds the printing surface body, the cushioning body, and the ink-impregnating body; A penetrating mark is provided.
[0006]
In the present invention, the stamp body and the ink impregnated body are formed of a continuous foamed thermoplastic resin, and the cushion body having a hollow portion for accommodating the ink impregnated body is formed of an independent foamed resin. The impregnated ink is supplied only to the stamp face without leaking from the periphery of the ink impregnated body.
[0007]
Further, since the cushion body made of an independent foam type resin is provided on the back surface of the stamp face body, the cushioning property at the time of stamping is good.
DETAILED DESCRIPTION OF THE INVENTION
[0008]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
First embodiment Fig. 1 (A) is an exploded perspective view showing a permeation mark according to a first embodiment of the present invention, and Fig. 1 (B) is a central longitudinal sectional view. The permeation mark 1 according to the present embodiment is composed of a stamped body 10 made of a continuous foamed thermoplastic resin having a printing surface 11 formed on the surface, and a ring-shaped independent foamed thermoplastic resin having a hollow portion 21 formed in the center. A cushion body 20, an ink impregnated body 30 made of a continuous foam type resin impregnated with ink, and a holder 40 that holds the stamp face body 10, the cushion body 20, and the ink impregnated body 30.
[0009]
The stamping body 10 is formed by adding a foaming agent to a thermoplastic resin such as polyethylene, ethylene vinyl acetate, polyurethane, rubber, etc., and using a continuous foamed resin sheet as a raw material. After cutting the sheet into a predetermined size, The marking surface 11 is formed by forming a desired print on one main surface (surface) using a thermal transfer method or the like. In the penetration mark 1 of this example, the type of resin constituting the stamp face 10 is not particularly limited, but it is required to be a continuous foam type resin sheet.
[0010]
The cushion body 20 is made of an independently foamed resin sheet formed by adding a foaming agent to a thermoplastic resin such as polyethylene, ethylene vinyl acetate, polyurethane, rubber, etc., and cut into a predetermined size. A hollow portion 21 is formed by hollowing out the center to form an annular shape. In the penetration mark 1 of this example, the type of resin constituting the cushion body 20 is not particularly limited, but it is required to be an independent foam type resin sheet. Moreover, when pasting with the stamping body 10 by the heat sealing | fusion method, it is preferable that it is the same material as the resin which comprises the stamping body 10, or the material of the same system | strain.
[0011]
The ink impregnated body 30 is made of a continuous foamed resin sheet formed by adding a foaming agent to a thermoplastic resin such as polyethylene, ethylene vinyl acetate, polyurethane, rubber, and the like, and this is used as a hollow part 21 of the cushion body 20. Cut into a size that fits. In the penetration mark 1 of the present example, the type of resin constituting the ink impregnated body 30 is not particularly limited, but it is required to be a continuous foam type resin sheet, and is made of polyurethane in consideration of the hardness at the time of stamping. It is more preferable.
[0012]
The holder 40 is a resin molded product, and is formed in a size having a main surface 41 to which at least the back surface of the cushion body 20 is attached using an adhesive or the like. In this example, the wall surface 42 is formed on the entire circumference so as to receive the cushion body 20, but the wall surface 42 may be omitted as necessary. Reference numeral 43 denotes a gripping part for the user to grip at the time of marking. A through hole 44 for replenishing ink in the future may be formed on the back surface of the holder 40.
[0013]
Next, the manufacturing method of the penetration mark 1 of this example is demonstrated, referring FIG. 2 (A)-(F).
First, as shown in FIGS. 2 (A) and 2 (B), a stamped surface body 10 on which a marking surface 11 is formed and a cushion body 20 on which a hollow portion 21 is formed are prepared. At this time, in order to manufacture a plurality of penetration marks 1 at the same time, a plurality of stamp bodies 100 formed with a plurality of stamp bodies 10 and a plurality of cushion bodies 20 (the same number as the stamp bodies of the stamp body sheets) were formed. A cushion body sheet 200 is prepared.
[0014]
At this time, the hollow portion 21 of the cushion body 20 is simply formed by inserting a cutting line constituting the hollow portion 21 into the cushion body sheet 200. As a result, the cushion body 20 can be prevented from being deformed in the subsequent heat-sealing process, and the heat-sealing quality and manufacturing workability are improved.
[0015]
Further, as shown in FIG. 3C, an ink impregnated body 30 is formed, and the ink impregnated body 30 is impregnated with a predetermined amount of ink by dipping in the ink.
[0016]
Next, as shown in FIG. 4D, the prepared stamp face sheet and the cushion sheet are overlapped and heat-sealed using a heat-welding die 500. This heat fusion is performed only for the entire circumference of the outer peripheral edge of one stamp face 10. If the stamp body 10 and the cushion body 20 are made of the same material or the same material, the melting temperature is approximated, so that heat fusion is also facilitated.
[0017]
When the thermal fusion is completed, the stamp body sheet and the cushion body sheet are cut to be divided into the individual stamp body 10 and the cushion body 20. And as shown to the figure (E), while turning the heat-sealed stamp face body 10 and the cushion body 20 inside out, the unnecessary part 22 in the hollow part 21 is removed, and it replaces with this and prepares beforehand. A placed ink impregnated body 30 is mounted.
[0018]
Finally, as shown in FIG. 5F, an adhesive 600 is applied to a predetermined portion (preferably the entire circumference) of the back surface of the cushion body 20, and the printing surface body 10, the cushion body 20, and the ink impregnated body 30 are attached to the holder. Attach to 40.
[0019]
In the osmotic stamp 1 of this example manufactured as described above, the stamp body 10 and the ink impregnated body 30 are formed of a continuous foamed thermoplastic resin, and the cushion body 20 having the hollow portion 21 that accommodates the ink impregnated body 30 is provided. The ink impregnated in the ink impregnated body 30 is supplied only to the stamp face 10 without leaking from the periphery of the ink impregnated body 30 because it is made of an independent foam type resin. Accordingly, it is possible to prevent ink stains at the time of stamping.
[0020]
Further, since the cushion body 30 made of an independent foam type resin is provided on the back surface of the stamp body 10, this also functions as a member for imparting cushioning properties at the time of stamping, and provides the penetrating stamp 1 with good cushioning properties. Can do.
[0021]
Second embodiment Fig. 3A is an exploded perspective view showing a permeation mark according to a second embodiment of the present invention, and Fig. 3B is a central longitudinal sectional view. The penetrating stamp 1 according to the present embodiment is a so-called two-color stamp, and is surrounded by a single foamed thermoplastic resin stamped surface 10 having two types of stamped surfaces 11a and 11b formed on the surface thereof, and the periphery thereof. Two hollow portions 21a. One independent foam type thermoplastic resin cushion body 20 having 21b formed therein, and two continuous foam type resin ink impregnated bodies that are respectively provided in the hollow portions 21a and 21b of the cushion body 20 and impregnate different types of ink 30a and 30b, and the holder 40 holding the stamp body 10, the cushion body 20, and the ink impregnated body 30.
[0022]
The material constituting the marking body 10, the cushion body 20, the ink impregnated body 30, and the holder 40 is the same as that in the first embodiment described above, and thus detailed description thereof is omitted. However, the penetration mark 1 of the present example configured in this way is omitted. Even in this case, it is possible to prevent ink leakage and improve cushioning properties, and at the same time, it is possible to carry out marking using two colors of ink.
[0023]
Third embodiment Fig. 4 (A) is an exploded perspective view showing a permeation mark according to a third embodiment of the present invention, and Fig. 4 (B) is a central longitudinal sectional view. The permeation mark 1 according to the present embodiment is a first holder which is a resin molded product in which a continuous foam type thermoplastic resin marking face body 10 having a marking surface 11 formed on the surface and a recess 51 surrounded by the periphery are formed. 50, a continuous foamed resin-made ink impregnated body 30 impregnated with ink, a stamping body 10, a first holder 50, a second holder 60 holding the ink impregnated body 30, and a first holder 50 and a second holder 60. It is comprised from the cushion body 70 provided in between.
[0024]
The penetration mark 1 of this example employs a first holder 50 instead of the cushion body 20 of the first and second embodiments described above, and the entire outer peripheral edge of the stamp face 10 is the main holder of the first holder 50. The back surface of the first holder 50 and the cushion body 70 are adhered to each other with the adhesive in a state in which the ink impregnated body 30 is attached to the concave portion 51 and the cushion body 70 is bonded to the surface 52 by heat fusion or an adhesive. The second holder 60 is bonded with an adhesive.
[0025]
Although the cushion body 70 of this example can be comprised with an independent foaming type resin etc., if cushioning properties are favorable, it will not be specifically limited.
[0026]
In the permeation mark 1 of this example, the cushioning function of the cushioning body 20 according to the first and second embodiments described above is exhibited by the cushioning body 70, and the first holder 50 can prevent ink leakage. it can.
[0027]
The embodiment described above is described for facilitating the understanding of the present invention, and is not described for limiting the present invention. Therefore, each element disclosed in the above embodiment is intended to include all design changes and equivalents belonging to the technical scope of the present invention.
[Brief description of the drawings]
[0028]
FIG. 1A is an exploded perspective view showing a permeation mark according to a first embodiment of the present invention, and FIG.
FIGS. 2A to 2F are perspective views showing a manufacturing process of a permeation mark according to the first embodiment of the present invention. FIGS.
FIG. 3A is an exploded perspective view showing a permeation mark according to a second embodiment of the present invention, and FIG. 3B is a central longitudinal sectional view.
4A is an exploded perspective view showing an infiltration mark according to a third embodiment of the present invention, and FIG. 4B is a central longitudinal sectional view.
[Explanation of symbols]
[0029]
DESCRIPTION OF SYMBOLS 1 ... Permeation mark 10 ... Marking body 11 ... Marking surface 20 ... Cushioning body 21 ... Hollow part 30 ... Ink impregnation body 40 ... Holder 41 ... Main surface 42 ... Wall surface 43 ... Grasping part 44 ... Through-hole 50 ... 1st holder 60 ... 2nd holder 70 ... cushion body

Claims (6)

A continuous foam thermoplastic resin marking face having a marking face;
A cushion body made of a ring-shaped independent foamed thermoplastic resin that is affixed to the back surface of the stamp face and has a hollow portion in the center;
An ink-impregnated body made of continuously foamed resin that is provided in a hollow portion of the cushion body and impregnates ink;
An infiltration mark comprising: the marking face body, the cushion body, and a holder for holding the ink impregnated body. One continuous foam type thermoplastic resin marking face having a marking face;
A cushion body made of an independent foamed thermoplastic resin having a plurality of hollow portions attached to the back surface of the stamp face and surrounded by a surrounding area;
A plurality of continuous foamed resin ink impregnated bodies each impregnated with different types of ink, each provided in a hollow portion of the cushion body;
An infiltration mark comprising: the marking face body, the cushion body, and a holder for holding the ink impregnated body. The penetration mark according to claim 1 or 2, wherein the cushion body is affixed to the back surface of the stamp face body by heat fusion. The penetration mark according to any one of claims 1 to 3, wherein a through hole for replenishing ink to the ink impregnated body is formed in the holder. A continuous foam thermoplastic resin marking face having a marking face;
A first resin holder having a concave portion attached to the back surface of the stamp body and surrounded by a periphery;
An ink-impregnated body made of continuously foamed resin that is provided in the recess of the first holder and impregnates ink;
Penetration characterized by comprising: a marking body, a first holder, a second holder for holding the ink impregnated body, and a cushion body provided between the first holder and the second holder. mark. A process of attaching an annular independent foamed thermoplastic resin cushion body having a hollow portion at the center to the back surface of the continuous foamed thermoplastic resin marking face body having a printing surface by heat fusion;
A step of impregnating the ink into the continuous foamed resin ink impregnated body;
Attaching the ink impregnated body impregnated with the ink to the hollow portion of the cushion body;
And a step of attaching a holder to the marking body, the cushion body, and the ink-impregnated body.

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