US3009440A - Stamp pads - Google Patents
Stamp pads Download PDFInfo
- Publication number
- US3009440A US3009440A US741152A US74115258A US3009440A US 3009440 A US3009440 A US 3009440A US 741152 A US741152 A US 741152A US 74115258 A US74115258 A US 74115258A US 3009440 A US3009440 A US 3009440A
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- US
- United States
- Prior art keywords
- pad
- stamp
- ink
- partitions
- sponge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/36—Details
- B41K1/38—Inking devices; Stamping surfaces
- B41K1/46—Inking devices; Stamping surfaces for multicolour stamping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/36—Details
- B41K1/38—Inking devices; Stamping surfaces
- B41K1/54—Inking pads
Definitions
- This invention relates to stamp or inking pads, and its primary object is to provide a pad subdivided into sections, each of which sections may carry an ink of a different color, so that a stamp inked thereon may impress its different parts and characters in different colors.
- the invention applies also to so-called self-inking stamps which, though being used for stamping, show the characteristics of stamp pads, too.
- a further field of application are marking and stamping devices or machines and printing processes that are based on superimposing printing characters onto predetermined inking areas, be it in straight or rotary motion.
- FIGURE 1 is a fragmentary perspective view of a stamp pad constructed in accordance with the invention.
- FIGURE 2 is a similar view of a modification
- FIGURE 3 shows another modification.
- the pad is an integral or single body of either sponge rubber or of resilient sponge of synthetic resinous plastic, and may be an integral body of such material separated into sections 11, 11 11 11 and 11 by resilient, non-porous or ink-impervious walls or partitions 13 extending from top to bottom of said body and formed by impregnating the sponge body with a liquid or semiliquid substance, such as plastic rubber, latex or synthetic plastic compounds or an adhesive, all of which become finally solid though resilient or elastic on drying.
- a liquid or semiliquid substance such as plastic rubber, latex or synthetic plastic compounds or an adhesive
- the different sections of the pad may be inked with inks of selected colors, so that a stamp pressed onto the pad may receive and print characters in the various colors, the mentioned non-porous walls or partitions serving to prevent the differently colored inks from leaking or migrating into adjoining sections.
- FIGURE 1 shows the tops of the partitions as being concave, the purpose being to further guard against any slight possible creepage of ink at the surface of the pad from one section to another, the concavities functioning to collect an ink which may seep out of its section, in which concavities or channels such ink will dry.
- channels are made ink-impervious by being coated with one of the ink-impervious substances mentioned above.
- the channels are usually formed at the top of the partitions, but may appear, in addition, also at the bottom, both types designated 12 in FIGURE 1.
- As the rule, such channels originate from pressing the ink-impervious substances into the sponge body. During the process of drying, said substances become more and more sticky. Consequently, the sponge body, penetrated by these substances, can be formed by being subjected to pressure, and it finally settles in the intended shape and in a state of compression that causes the channel like structures.
- FIGURE 2 shows a structure similar to that of FIG- URE 1, except that the tops of the walls or partitions are convex, and for the purpose of keeping the differently colored inks within their respective sections, the latter being designated 16, 16 16 16 and 16 the body 14, the partitions 15, and the bottom channels 17.
- FIGURE 3 is also similar to FIGURE 1, except that the sponge 18 has a circular partition 19 and a right angular partition 20, both of which are concave at top and bottom. It demonstrates that the principles embodied in this invention permit color separation of every shape, even in curved designs.
- a stamp pad comprising an integral body of resilient sponge material impregnated with ink-impervious resilient material so as to form impervious, resilient, vertical partitions subdividing said body into sections.
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- Printing Methods (AREA)
Description
Nov. 21, 1961 H. F. KENT 3,009,440
STAMP PADS Filed June 10, 1958 INV EN TOR.
United States Pate t 3,009,440 STAMP PADS Hans F. Kent, Cliifside Park, NJ. Filed June 10, 1958, Ser. No. 741,152 3 Claims. (Cl. 118-264) This invention relates to stamp or inking pads, and its primary object is to provide a pad subdivided into sections, each of which sections may carry an ink of a different color, so that a stamp inked thereon may impress its different parts and characters in different colors. The invention applies also to so-called self-inking stamps which, though being used for stamping, show the characteristics of stamp pads, too. A further field of application are marking and stamping devices or machines and printing processes that are based on superimposing printing characters onto predetermined inking areas, be it in straight or rotary motion.
While multicolor stamping was up to now intricate, costly, and yet limited, the method incorporated in this invention provides multicolor inking pads at modest costs, applicable not only to straight lines but also to curves, such as used in heraldics and advertising.
The drawings illustrate the invention, and in these:
FIGURE 1 is a fragmentary perspective view of a stamp pad constructed in accordance with the invention;
FIGURE 2 is a similar view of a modification;
FIGURE 3 shows another modification.
Referring now to the drawings for a detailed description, and at first to FIGURE 1, the numeral 1 designates the pad generally. The pad is an integral or single body of either sponge rubber or of resilient sponge of synthetic resinous plastic, and may be an integral body of such material separated into sections 11, 11 11 11 and 11 by resilient, non-porous or ink-impervious walls or partitions 13 extending from top to bottom of said body and formed by impregnating the sponge body with a liquid or semiliquid substance, such as plastic rubber, latex or synthetic plastic compounds or an adhesive, all of which become finally solid though resilient or elastic on drying.
The different sections of the pad may be inked with inks of selected colors, so that a stamp pressed onto the pad may receive and print characters in the various colors, the mentioned non-porous walls or partitions serving to prevent the differently colored inks from leaking or migrating into adjoining sections.
FIGURE 1 shows the tops of the partitions as being concave, the purpose being to further guard against any slight possible creepage of ink at the surface of the pad from one section to another, the concavities functioning to collect an ink which may seep out of its section, in which concavities or channels such ink will dry. The
'ice
walls of these channels are made ink-impervious by being coated with one of the ink-impervious substances mentioned above. The channels are usually formed at the top of the partitions, but may appear, in addition, also at the bottom, both types designated 12 in FIGURE 1. As the rule, such channels originate from pressing the ink-impervious substances into the sponge body. During the process of drying, said substances become more and more sticky. Consequently, the sponge body, penetrated by these substances, can be formed by being subjected to pressure, and it finally settles in the intended shape and in a state of compression that causes the channel like structures. However, if complete penetration of the sponge body by the mentioned substances can not become achieved-as is the case when the sponge pad is too thick or its material too firm-shallow artificial channels may be cut into the surface of the pad, and the process of forming partitions may start from the bottom of the precut channels towards the bottom of the pad.
FIGURE 2 shows a structure similar to that of FIG- URE 1, except that the tops of the walls or partitions are convex, and for the purpose of keeping the differently colored inks within their respective sections, the latter being designated 16, 16 16 16 and 16 the body 14, the partitions 15, and the bottom channels 17.
FIGURE 3 is also similar to FIGURE 1, except that the sponge 18 has a circular partition 19 and a right angular partition 20, both of which are concave at top and bottom. It demonstrates that the principles embodied in this invention permit color separation of every shape, even in curved designs.
What is claimed is:
1. A stamp pad comprising an integral body of resilient sponge material impregnated with ink-impervious resilient material so as to form impervious, resilient, vertical partitions subdividing said body into sections.
2. The stamp pad specified in claim 1, in which there are channels at the upper and lower surfaces of said partitions.
3. The stamp pad specified in claim 1, in which there are ridges of ink-impervious resilient material at the upper and lower surfaces of said partitions.
References Cited in the file of this patent UNITED STATES PATENTS 379,793 Laughton Mar. 20, 1888 1,421,952 Kee et al July 4, 1922 2,117,470 Zareko 'May 17, 1968 2,392,521 Chollar Jan. 8, 1946 FOREIGN PATENTS 4,940 Great Britain Mar. 4, 1896
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US741152A US3009440A (en) | 1958-06-10 | 1958-06-10 | Stamp pads |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US741152A US3009440A (en) | 1958-06-10 | 1958-06-10 | Stamp pads |
Publications (1)
Publication Number | Publication Date |
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US3009440A true US3009440A (en) | 1961-11-21 |
Family
ID=24979606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US741152A Expired - Lifetime US3009440A (en) | 1958-06-10 | 1958-06-10 | Stamp pads |
Country Status (1)
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US (1) | US3009440A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3070476A (en) * | 1960-07-22 | 1962-12-25 | Hicks & Otis Prints Inc | Ornamentation of resilient absorbent materials |
FR2712233A1 (en) * | 1993-11-09 | 1995-05-19 | Kozik Jean Marc | Multi-coloured stamp pad |
US20040037960A1 (en) * | 2002-06-27 | 2004-02-26 | Canon Kabushiki Kaisha | Liquid transfer device, liquid transfer method and liquid remaining amount monitoring method of liquid transfer device |
WO2004085110A1 (en) * | 2003-03-26 | 2004-10-07 | Trotec Produktions U. Vertriebs Gmbh | Method and device for machining composite parts formed from a carrier device and a stamping pad |
US20080127847A1 (en) * | 2003-09-19 | 2008-06-05 | M&R Marking Systems, Llc | Method of making marking structure for printing multiple inks |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US379793A (en) * | 1888-03-20 | Joseph b | ||
GB189604940A (en) * | 1896-03-04 | 1896-04-04 | Theodor Wachsmuth | An Improved Stamp-inking Pad. |
US1421952A (en) * | 1921-04-11 | 1922-07-04 | Mun Kee Products Corp | Resilient stamp pad |
US2117470A (en) * | 1936-10-06 | 1938-05-17 | Zareko Walter | Ink stamp pad |
US2392521A (en) * | 1942-02-12 | 1946-01-08 | Ncr Co | Porous resilient printing plate |
-
1958
- 1958-06-10 US US741152A patent/US3009440A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US379793A (en) * | 1888-03-20 | Joseph b | ||
GB189604940A (en) * | 1896-03-04 | 1896-04-04 | Theodor Wachsmuth | An Improved Stamp-inking Pad. |
US1421952A (en) * | 1921-04-11 | 1922-07-04 | Mun Kee Products Corp | Resilient stamp pad |
US2117470A (en) * | 1936-10-06 | 1938-05-17 | Zareko Walter | Ink stamp pad |
US2392521A (en) * | 1942-02-12 | 1946-01-08 | Ncr Co | Porous resilient printing plate |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3070476A (en) * | 1960-07-22 | 1962-12-25 | Hicks & Otis Prints Inc | Ornamentation of resilient absorbent materials |
FR2712233A1 (en) * | 1993-11-09 | 1995-05-19 | Kozik Jean Marc | Multi-coloured stamp pad |
US20040037960A1 (en) * | 2002-06-27 | 2004-02-26 | Canon Kabushiki Kaisha | Liquid transfer device, liquid transfer method and liquid remaining amount monitoring method of liquid transfer device |
WO2004085110A1 (en) * | 2003-03-26 | 2004-10-07 | Trotec Produktions U. Vertriebs Gmbh | Method and device for machining composite parts formed from a carrier device and a stamping pad |
AT413200B (en) * | 2003-03-26 | 2005-12-15 | Trotec Produktions U Vertriebs | METHOD AND DEVICE FOR MACHINING COMPONENTS MADE OF A CARRYING DEVICE AND A STAMPING CUSHION |
US20060196326A1 (en) * | 2003-03-26 | 2006-09-07 | Stephan Fazeny | Method and device for machining composite parts formed from a carrier device and a stamping pad |
US7652225B2 (en) | 2003-03-26 | 2010-01-26 | Trotec Produktions U. Vertriebs Gmbh | Method and device for machining composite parts formed from a carrier device and a stamping pad |
CN1764514B (en) * | 2003-03-26 | 2010-08-04 | 特罗泰克产品及销售有限公司 | Method and device for machining composite parts formed from a carrier device and a stamping pad |
US20080127847A1 (en) * | 2003-09-19 | 2008-06-05 | M&R Marking Systems, Llc | Method of making marking structure for printing multiple inks |
US7647869B2 (en) * | 2003-09-19 | 2010-01-19 | M&R Marking Systems, Inc. | Method of making marking structure for printing multiple inks |
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