Printing – Printing members and inkers – Pad inker
Reexamination Certificate
1999-07-02
2001-01-30
Hilten, John S. (Department: 2854)
Printing
Printing members and inkers
Pad inker
C401S119000, C401S123000
Reexamination Certificate
active
06178885
ABSTRACT:
CROSS-REFERENCE TO RELATED APPLICATION
This application claims priority to Japanese Patent Application No. 10-310502, filed Oct. 30, 1998.
TECHNICAL FIELD
This invention concerns a stamp pad which contains an ink vessel.
BACKGROUND OF THE INVENTION
Traditionally, stamp pads are widely used for rubber stamp affixation. Stamp pads are of various sizes and shapes to accommodate various sizes of rubber stamps. One example is shown below.
FIG. 7
is a schematic cross-sectional view of a traditional stamp pad. As shown in the figure, the traditional stamp pad consists of a pad base
21
, an ink pad
22
, which is made of such ink-absorbing materials as sponge, felt, etc., soaked with pigment ink or dye ink, and a cap
23
which covers said ink pad
22
. The circumference of said pad base
21
has notches made with which the tip of the circumference of said cap
23
engages so that the lid can be opened and closed freely.
FIG. 8
is a schematic oblique view of a stamp pad with its lid removed, showing pad base
21
and ink pad
22
.
More recently, stamp pads have become colorful and stamp pads with various colors of stamp ink are available in the market.
In using a stamp pad for rubber stamp affixation, rubber stamp
24
is lightly pressed on ink pad
22
of stamp pad, as shown in
FIG. 9
, to obtain ink on the rubber stamp for affixation thereof on the proper place for stamp affixation on paper, cloth, leather, plastic, etc.
Repeated use of a stamp pad by removing and replacing cap
23
from and back on pad base
21
as described above may cause the soiling with ink of the interior of cap
23
as a result of its contact with ink pad
22
.
In addition, repeated rubber stamp affixation as described above will gradually decrease and use up the ink absorbed in stamp pad, necessitating the replenishment of ink.
Traditionally, ink replenishment was accomplished either by purchasing an ink vessel which contains the ink of the same color or purchasing in advance and storing an ink vessel which contains replenishment ink and using such ink in such ink vessel to soak the stamp pad.
The purchasing of ink has caused inconvenience at times, however, because the ink of the same color could not be found or only a small amount of additional ink was needed because of less frequent use of the ink or because ink was needed immediately.
The inconvenience on the part of stamp pad manufacturers included the costliness of stocking and making available many different kinds of replenishment ink and the difficulty in keeping the inventory of less frequently used types of ink for a long period of time, resulting in the out-of-stock status for certain types of ink.
Furthermore, stamp pads were often disposed of once ink ran out, resulting in a wasteful, uneconomical practice, which also contributed to the increase of garbage to be processed.
SUMMARY OF THE INVENTION
This invention is made to improve such shortcomings of the prior art as described above and is intended to provide a stamp pad which makes it easy to replenish ink when it runs out by storing a replenishment ink vessel in the stamp pad in such manner as to make it easy to remove the ink vessel.
This invention is also intended to provide a stamp pad which prevents the soiling with ink of the interior of a cap as the stamp pad is used repeatedly.
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Tsukineko, “Rubber Stamp/Ink Pad” 1996/97 Catalog pp. 1-8.
Stencil & Hobby Catalog (Japanese), 3 pages, 1999.
Tsukineko, “Fantastix ™” Product Brochure, May 1999.
Grohusky Leslie J.
Hilten John S.
Seed IP Law Group PLLC
Tsukineko, Inc.
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