Die plate block and self colouring stamp

FIELD: typography.

SUBSTANCE: block (4) of die plate consists of holder (2) from polymer material and die plate (1) meant for colouring, on the holder and made from another polymer material, which is soft compared to the first polymer material. The holder and the die plate are made as one unit through multi-component die-casting.

EFFECT: fast and simple preparation of die plate block.

19 cl, 5 dwg

 

The invention relates to the unit of the stamp plate, including the holder of a first polymeric material and placed on the holder intended for coloring the stamp plate from at least one of the second, soft in comparison with the first polymeric material, and samoobrazovaniya stamp with swivel mechanism.

From US 5809886 And known samokritika stamp with swivel mechanism, in which different stamp plate can be inserted as a module into the holder by connecting the pin-hole. The production of such compounds is, however, a relatively long time.

From WO 02/058937 A1 hereinafter known samokritika stamp with swivel mechanism, which stamp the letters can be fixed on the next unit by means of a push connection. For this special unit has a notch into which can be inserted protrusions of the stamp characters.

For fixing the stamp plate carrier common to use double-sided sticky tape, which is relatively soft, made of rubber or plastic stamp plate is glued to the holder, consisting of a relatively rigid polymeric material. The drawback to this is that the gluing takes a very long time and requires extremely large for the rat.

Consequently, the aim of the present invention is to provide a unit with the stamp plate and samoobrazovyvalas stamp described above sort, and the block with the stamp plate in comparison with the known still blocks can be manufactured relatively inexpensively and also quickly and simply.

This is achieved in that the block with the stamp plate described above genus holder and the stamp plate is made in one piece by way of a multicomponent injection molding.

Required for the holder of the stamp plate material properties in terms of strength, durability, etc. are achieved, in particular, when the first polymer material used Polyoxymethylene (POM) and the like, and SIP is also suitable for processing by way of a multicomponent injection molding. Needless to say, for implementing the method of multicomponent injection molding can be used, and other suitable materials, such as copolymers of Acrylonitrile, butadiene and styrene (ABS), polypropylene (PP), polyamide (PA), polycarbonates (PC) or PC/ABS.

When choosing a soft polymer material for the stamp plate in addition to the conditions that it should be suitable for implementing the method of multicomponent injection molding, it is necessary to take into account, in particular, the wettability and qualities of the seal, and was, in particular, it is preferable if the second polymeric material of the stamp plate has a shore a hardness, essentially, 50-60. Tests have shown that the mentioned criteria in terms of wettability, the quality of the impression and ease of fabrication method of multicomponent injection molding is performed, in particular, when the second polymeric material can be applied to thermoplastic elastomer (TPE), etc.

In order to complete the picture of the stamp plate at least partially variable due to the split insert in the stamp plate individual characters, preferably, if the stamp plate has to insert characters at least partially grooved or ribbed structure. It provides a reliable fit of the inserted characters in the stamp plate. Besides inserting or removing characters from the stamp plate can occur in a simple way.

For simple cost-effective manufacturing and accommodation without problems characters on the stamp plate is preferable, if grooved or ribbed structure has at least one groove or one edge of a rectangular, in particular square, cross section. Alternatively, it is also possible that the grooved or ribbed structure had at least one groove or one edge of the trapezoid, diamond-shaped or similar cross-section, with the incoming into each other's ribs and grooves have, thus, covering each other section, which reliably provide a strong connection between the characters and the stamp plate.

Samokritika stamp according to the invention described above kind is characterized by the fact that a block with a stamp plate according to one of claims 1 to 8. By providing a block with a stamp plate according to one of claims 1 to 8 in samoobrazovaniem stamp arise already mentioned above in relation to block stamp with plate advantages, so in order to avoid repetitions, reference should be made to the previous reasoning.

The invention is explained below with the help shown in the drawing of examples of its implementation, which it does not, however, limited. In the drawing represent:

- figa: disassembled and in the future the unit with a stamp plate with a round stamp surface in accordance with the prior art;

- fig.1b: term block according to the invention with a round stamp plate manufactured by the method of multi-component injection molding;

- figa: disassembled and in the future the unit in accordance with the prior art with a rectangular stamp plate and the Central recess;

- fig.2b: term block according to izopet is in a rectangular stamp plate with a Central recess, manufactured by way of multi-component injection molding;

- figure 3: in the future samokritika stamp with swivel mechanism and is made by way of multi-component injection molding unit with a stamp plate.

On figa 2A and disassembled shows individual parts of the blocks from the stamp plate in accordance with the prior art, having made of rubber or rubber stamp plate 1, the holder 2 of the stamp plate and the double-sided adhesive film 3, whereby the rubber or rubber stamp plate 1 is glued to the holder 2.

On fig.1b and 2b, in contrast, depicts blocks of 4 with stamp plate made in one piece by way of a two-component injection molding. The holder 2 of the stamp plate is composed of a relatively rigid thermoplastic polymeric material, such as POM, suitable for the manufacture in one piece by way of multi-component injection molding with a softer, elastomeric polymeric material of the stamp plate 1. Manufacturing for one disappears, consequently, the adhesion of the stamp plate 1 with the adhesive film 3, so that the manufacturing method of a two-component injection molding is achieved inexpensive device that meets at the same time, all shown is passed to the block 4 requirements strength of the holder 2 and the wettability or the quality of the imprint of the stamp plate 1.

Figure 3 in the future depicted samokritika stamp 5 with the casing 5' and installed with the possibility of moving to the chassis 5' against the force of the spring (not shown) by a bracket 5, which can be rotated installed unit 4. In the housing 5' are also impregnated with ink stamp cushion 6 for coloring the stamp plate 1. For automatic turning mechanism guides the trunnion 7 of block 4 (fig.1b) is placed in the guide groove 8 of the casing 5', so that the unit 4 when moving the bracket 5" to the chassis 5' is doing the turning movement.

Figure 3 also shows that the stamp plate 1 has grooves 9 into which can be inserted stamp character 10 with ribs 11, corresponding to the grooves 9, so that there is an alternating stamp picture. Stamp 10 characters can be a simple way inserted into the grooves 9 of the stamp plate 1 made essentially in cross-section in the shape of a dovetail, by means of tweezers 12 and again extracted.

Thus, there is made by way of a two-component injection molding unit 4 stamp plate, which can be profitably produced in a single operation and therefore suitable, in particular, for the manufacture of large quantities. Thanks intended for placing of the stamp characters 10 grooves 9 to tice at the same time, individual variable stamp pattern.

Needless to say, the stamp plate in addition to the depicted rectangular and round shapes can have any arbitrary, for example oval or square, shape, and any excavation.

1. Block (4) of the stamp plate, comprising a holder (2) from the first polymeric material and placed on the holder (2) intended for coloring the stamp plate (1) from at least one of the second, soft compared to the first polymer material, characterized in that the holder (2) and the stamp plate (1) made in one piece in the form of a multi-component casting.

2. The unit according to claim 1, characterized in that the first polymer material applied Polyoxymethylene (POM), copolymers of Acrylonitrile, butadiene and styrene (ABS), polypropylene (PP), polyamide (PA), polycarbonates (PC) or PC/ABS.

3. The unit according to claim 1, characterized in that the second polymeric material of the stamp plate (1) has a hardness And shore, essentially, 50-60.

4. The unit according to claim 3, characterized in that the first polymer material applied Polyoxymethylene (POM), copolymers of Acrylonitrile, butadiene and styrene (ABS), polypropylene (PP), polyamide (PA), polycarbonates (PC) or PC/ABS.

5. The unit according to claim 1, characterized in that as the second polymer material applied thermoplastic elastomer (TPE).

6. The unit according to claim 2, characterized in thatin the second polymeric material applied thermoplastic elastomer (TPE).

7. The unit according to claim 3, characterized in that as the second polymer material applied thermoplastic elastomer (TPE).

8. The unit according to claim 4, characterized in that as the second polymer material applied thermoplastic elastomer (TPE).

9. The unit according to claim 1, wherein the stamp plate (1) has to insert characters (10)at least partially grooved or ribbed structure.

10. The unit according to claim 2, characterized in that the stamp plate (1) has to insert characters (10)at least partially grooved or ribbed structure.

11. The unit according to claim 3, characterized in that the stamp plate (1) has to insert characters (10)at least partially grooved or ribbed structure.

12. The unit according to claim 4, wherein the stamp plate (1) has to insert characters (10)at least partially grooved or ribbed structure.

13. The unit according to claim 5, characterized in that the stamp plate (1) has to insert characters (10)at least partially grooved or ribbed structure.

14. The unit according to claim 6, characterized in that the stamp plate (1) has to insert characters (10)at least partially grooved or ribbed structure.

15. The unit according to claim 7, characterized in that the stamp plate (1) has to insert characters (10)at least partially gelobet is or ribbed structure.

16. Unit of claim 8, wherein the stamp plate (1) has to insert characters (10)at least partially grooved or ribbed structure.

17. The block according to one of claims 1 to 16, characterized in that the grooved or ribbed structure has at least one groove (9) or one edge of a rectangular, in particular square, cross section.

18. The block according to one of claims 1 to 16, characterized in that the grooved or ribbed structure has at least one groove (9) or one edge of the trapezius, rhomboidea or similar section.

19. Samokritika stamp (5) with swivel mechanism, characterized in that it contains the block (4) stamp plate according to any one of claims 1 to 18.



 

Same patents:

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