JPH09314976A - Stamp pad - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable uniform application of ink on a printing stamp and attainment of a clear print, to quicken replenishment of ink and to eliminate leakage thereof. SOLUTION: In a stamp pad composed of a cover vessel 1, a base vessel 2, a frame body 14 and a printing cushion body 3, a center tray 4 having a flange part 9 which is provided in the periphery of an outer wall 11 being made a curved part 7 and having a space part 8 inside on all sides and is positioned above the bottom 10 is provided and, moreover, an ink absorbing part 5 is provided inside the center tray 4, while surface cloth 6 formed of very fine fibers is stretched on the surface of the ink absorbing part. The end of flange part 9 and that of the surface cloth 6 are fusion- bonded with heat to each other and the flange part 9 is pressed in contact by a pressing piece 15 of the frame body 14 so that it can be shaken vertically, with a gap provided. Moreover, at least one hole 20 is provided in the top of the curved part 7 so that the inside of the printing cushion part 3 may communicate with the outside. Since the surface cloth 6 is formed of very fine fibers and fixed by fusion-bonding to the center tray 4 and since the hole 20 is provided in the top of the curved part 7, air can flow through the inside and outside of the printing cushion body 3, quick replenishment of ink is enabled and oozing of ink due to expansion of internal air is prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ink applicator in which an ink storage unit for transferring and applying ink to a stamp such as a rubber stamp which is not a self-contained ink is arranged, and more particularly to a stamp table.

[0002]

2. Description of the Related Art A conventional stamp table can be roughly divided into four parts, a stamp body, a lid container, a bottom container and a frame. Among them, the impression material is such that the surface such as felt that can be impregnated with ink is covered with fibers such as surface cloth and the lower surface is covered with a heat-fusible substance such as sheet-shaped vinyl chloride or polypropylene. It was At this time, the sheet cloth is heat-sealed to the sheet-shaped vinyl chloride, polypropylene or the like while applying tension. Then, the tension causes the stamp body to warp upward with its surroundings upward. When such a stamp body is assembled, it is difficult to assemble the stamp body by pressing the periphery of the stamp body with the pressing piece of the frame and sandwiching and fixing it to the bottom container. In addition to this stamp stand, a table cloth was attached to the frame parts to form the stamp stand. The stamp stand assembled in this way was made by applying tension to the cover cloth during the production of the stamp body for the first time, but as it is used, the cover cloth will grow naturally with time and with the ink. The tension applied to the initial cloth cannot be maintained due to the elongation caused by using the stamp.

Regarding the tensioning of the cotton cloth, the end of the inner plate is sandwiched between the frame and the bottom container, and the central part is made into a convex part or the peripheral part is made into a concave part. Then, tension is applied to the surface cloth to prevent the surface cloth from wrinkling. There is Japanese Utility Model Application No. 4-113970 (hereinafter referred to as (a)) as such an application. In (a), the sawtooth-shaped uneven edges provided on the ribs pull the cover cloth, and further, the ribs and the recesses of the bottom container are clamped and fixed, thereby obtaining the above-mentioned effect of covering the cover cloth. . However, since the surface cloth is pulled by the serrated edges and further clamped and fixed, only the tension given at the initial stage of assembly causes the surface cloth to stretch and cause wrinkles on the surface each time the stamp is used. Therefore, it is not effective if it is clamped and fixed when the stamp is used. When rubbed, wrinkles and irregularities are generated on the surface of the surface cloth, and uniform ink cannot be applied to the surface of the printing surface, so that a clear imprint cannot be obtained.

The applicant's prior application, Japanese Patent Application Laid-Open No. 6-17
No. 9282 (hereinafter referred to as (B)) is provided with a flange portion 9 and a flange portion 9 is provided to constantly apply tension to the outer cloth 6.
However, the medium plate (b) is used, and the method disclosed in JP-A-4-31288 is used.
As described in No. 1 and Jitsukaihei 4-38458, when a surface cloth woven with ultrafine long fibers of 1 denier or less is used, the surface cloth is dense when the ink is replenished to the board surface. If the ink cannot be replenished immediately or the ink is replenished on the board surface, the board surface is sticky and the air in the stamp body 3 cannot easily be circulated. As a result, ink is ejected, and when it is heated to a high temperature, ink is ejected and ink leaks. In addition, the applicant's earlier application, Utsukushihei 6-576
No. 61 (hereinafter referred to as “(c)”) and the description of the hole 12 are provided, but the configuration of the frame with the hole and the configuration of the present application are obviously different.

[0005]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
As described above, the surface cloth itself swells due to the impregnated ink, the surface cloth itself expands over time, and the surface cloth expands due to contact when the stamp is used, so that the surface cloth is wrinkled.
Due to this wrinkle, it is not possible to apply the ink uniformly on the stamp surface,
The point is that a clear and uniform imprint cannot be obtained. In addition, the surface cloth is made of ultra-fine long fibers, and the ink is replenished with ink because the surface cloth is dense and the ink is not flowable when impregnated with ink. If the temperature becomes slower or the stamp body or a stamp stand using the stamp body is placed at a high temperature, the air inside the stamp body expands and causes ink leakage. Therefore, you can always apply tension to the surface cloth itself and evenly apply ink to the stamp, you can get a clear imprint, quick ink replenishment, no ink leakage and easy molding on the mold.
The stamp table is easy to assemble.

[0006]

[Means for Solving Problems] Lid container 1, bottom container 2,
In a stamp base composed of a frame body 14 and a stamp body 3, a middle plate 4 in which a space portion 8 is formed on four walls and a flange portion 9 located above a bottom 10 is provided around an outer wall 11 which is a curved portion 7.
In addition, an ink occluding portion 5 is arranged inside the inner plate 4, and a surface cloth 6 of ultrafine fibers is stretched on the surface thereof, and the ends of the collar portion 9 and the surface cloth 6 of the ultrafine fiber are heat-sealed. Then, a gap S is provided, and the flange portion 9 is pressed and abutted by the pressing piece 15 of the frame body 14 so as to be vertically swingable. Further, at least one hole 20 is provided at the top of the bending portion 7.
Is provided to communicate the inside and outside of the stamp body 3 with each other.

[0007]

Function: The ink storage part 5 is arranged inside the inner plate 4, and the cover 6
The seal body 3 is obtained by heat-sealing the end portion of the front cloth 6 and the collar portion 9 while tensioning. Here, the inner plate 4 is provided with a taper portion 13 to absorb the tension when the surface cloth is stretched and absorb the warp due to the surface cloth tension. Next, the stamp body 3 is stored in the bottom container 2, and the flange portion 9 is pushed down by the pressing piece 15 of the frame body 14 to be assembled. Then, a gap S is formed between the pressing piece 15 and the bottom container 2 so that the collar portion 9 can swing vertically and horizontally. Further, the outer wall 11 moves toward the inner wall 12 due to the downward pressing force of the pressing piece 15, and the strain (tension) increases, so that the position of the collar portion 9 becomes lower than the initial state in which the outer cloth 6 is stretched. When it is located, tension is further applied to the surface cloth 6. Here, the strain (tension) is stored in the flange portion 9 from the taper portion 13, the inner wall 12 and the outer wall 11, and the strain is stored against the elongation of the surface cloth 6 and the elongation of the abutment due to the use of the stamp. By releasing the tension by the extended amount, the wrinkle of the surface cloth 6 is prevented. Further, since the outer cloth is made of ultrafine fibers and the hole 20 in which the outer wall 11 and the inner wall 12 are partially cut out is provided at the top of the curved portion 7, the inner wall 12 (inside the stamp body 3).
Of air can be discharged to the outside through the hole 20,
Ink can be replenished promptly, and ink leakage is prevented by temperature changes and atmospheric pressure changes.

[0008]

EXAMPLES Examples of the present application will be described in detail with reference to FIGS. 1, 2, 3, 4, 5, and 6. 1 is a lid container,
It is hinged to the bottom container 2. 3 is a stamp body,
The constituent parts are composed of a middle plate 4, an ink occlusion part 5 and a cover cloth 6. The reference numeral 4 denotes an inner plate, which has an inner wall 12 and an outer wall 11 on four sides, forms a curved portion 7, and forms a space portion 8. At least one hole 20 is provided at the top of the curved portion 7. In particular, the holes 20 can be appropriately determined. It is also possible to provide ribs on the inner wall 12 to provide the ink storage section 5 and the air flow passage. 5 above
Is an ink occlusion part and may be made of any material as long as it can be impregnated with ink. The end of the outer wall 11 is located above the bottom 10 of the inner plate 4, and is parallel to the bottom 10 and is provided with the collar portion 9.
Are provided all around, and the standing portion of the inner wall 12 is a tapered portion 13. At this time, the upper position is 2 from the bottom 10.
mm to 7 mm, the width of the collar portion 9 is 2 mm to 10 mm
Is preferred. If the central portion of the bottom 10 is the convex portion 16, the surface of the surface cloth 6 is evenly curved when the surface cloth 6 is stretched, and the surface of the surface cloth 6 is stretched uniformly by the stamp body 3 itself. You can However, in the present application, the presence of the convex portion 16 does not matter.

Reference numeral 14 is a frame-like frame, and is fitted with an end of the bottom container 2, and a pressing piece 15 is provided inside the bottom container 2 for abutting the collar portion 9 so as to be swingable. . The lower end surface of the pressing piece 15 is a smooth flat surface, and allows the collar portion 9 to slide smoothly to the outside. Regarding the material, the ink storage section 5 is a synthetic fiber such as polyester, nylon, felt or a natural fiber, and is easily impregnated with ink. Further, the ink storage section 5 may be made of various synthetic fibers or natural fibers in a multi-layer structure. The outer cloth 6 is an ultrafine fiber of a natural fiber or a synthetic fiber (polyester, polyamide, acrylic, etc.), and may be a long fiber or a short fiber. Especially, 1 monofilament
Ultrafine fibers of denier or less are preferred for obtaining a clear impression. Further, a plain weave, a twill weave, a satin weave and the like can be appropriately selected. The lid container 1 and the bottom container 2 are metal forged products and synthetic resin molded products. The frame body 14 is a synthetic resin molded product. Lastly, the inner plate 4 is a hard or soft synthetic resin molded product, and the plate thickness is preferably 0.2 mm to 2.0 mm.

Next, the assembly of the stamp body 3 and the stamp base will be described in detail. Ink storage part 5 in the inner plate 4
The outer cloth 6 is placed so as to cover the surface thereof, and the flange portion 9 provided around the end of the outer cloth 6 and the inner plate 4 is stretched while the outer cloth 6 is stretched by heat fusion of the both. I'm wearing it. The heat-sealed portion extends over the entire flange portion 9. Then, the outer wall 11 and the inner wall 12
The shape of the curved portion formed by the space 8 is collapsed inward, and the outer wall 11 is expanded outward. In this way, the assembled stamp body 3 is stored in the bottom container 2, the frame body 14 is fitted and fixed to the end portion of the bottom container 2 from above, and the pressing piece 15 of the frame body 14 is attached.
Will press the collar portion 9 downward. Then, the curved portion 7 is set in a distorted state, and since the flange portion 9 is a portion where the surface cloth 6 is heat-sealed, the flange portion 9 is attached to the pressing piece 15 without being caught by the surface cloth 6. Abutted. Further, the flange portion 9 and the bottom container 2 are provided with a free gap S which is movable downward and outward. Next, when the ink occluding portion 5 is impregnated with ink and a stamp or the like is used, when the surface cloth 6 is pressed and ink is applied, the surface cloth 6 is stretched due to the settling. Due to the above-described distorted force of the bending portion 7, a force to return the extension acts, and the extension of the surface cloth is absorbed. At this time, the collar portion 9 smoothly moves outward while being pressed by the pressing piece 15. With such a configuration and assembly method,
It is possible to constantly apply tension to the outer cloth 6.

[0011]

[Effect] Since the present invention has the above-mentioned configuration, the following effects are produced. The outer cloth 6 is an ultrafine fiber, and the outer cloth 6 is heat-sealed to the inner cloth 4 to fix the outer cloth 6, and the holes 20 are provided at the top of the curved portion 7. Air can be circulated, ink is quickly replenished and ink is prevented from spouting due to expansion of internal air. The assembled stamping body 3 is obtained by heat-sealing the end portion of the outer cloth 6 to the collar portion 9 and bringing the collar portion 9 and the pressing piece 15 into contact with each other to swing the collar portion 9 vertically and horizontally. Since it is possible to apply tension to the outer cloth 6 at all times, it is possible to constantly apply tension to the outer cloth 6 so that when the ink is impregnated, wrinkles due to the elongation of the outer cloth 6 with time, and the use of the stamp to set the outer cloth 6 The wrinkles generated in step 3 are extended, and uniform ink application is always achieved, and a clear imprint is obtained. Further, since the stamp body 3 is an integrated product as described above, it is easy to handle and assemble.

[0012]

[Brief description of drawings]

FIG. 1 is an overall perspective view of a first embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of the first embodiment of the present invention.

FIG. 3 is a sectional view of the inner tray of the first embodiment of the present invention before assembly.

FIG. 4 is a perspective view of a stamp body according to a first embodiment of the present invention.

FIG. 5 is a perspective view of the inner tray of the first embodiment of the present invention before assembly.

FIG. 6 is a sectional view of an end portion of a stamp body according to a first embodiment of the present invention.

[0013]

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lid container 2 Bottom container 3 Stamp body 4 Medium plate 5 Ink storage part 6 Surface cloth 7 Curved part 8 Space part 9 Collar part 10 Bottom 11 Outer wall 12 Inner wall 14 Frame body 15 Pressing piece 20 Hole

Claims (1)

[Claims] 1. A stamp base comprising a lid container 1, a bottom container 2, a frame body 14 and a stamp body 3, wherein a space portion 8 is formed on four walls to form a curved portion 7 around an outer wall 11 from the bottom 10. An inner plate 4 provided with a flange portion 9 located above and an ink storage part 5 are further arranged inside the inner plate 4, and a surface cloth 6 of ultrafine fibers is stretched on the surface of the inner plate 4, and The ends of the ultrafine fibers with the surface cloth 6 are heat-sealed, and a gap S is provided so that the flange 9 is pressed and abutted by the pressing piece 15 of the frame body 14 so as to be vertically swingable. At least one hole 20 is provided and the stamp body 3
A stamp stand characterized by connecting the inside and the outside.