EP3187340B1 - Braille printing system and braille printing method using the same - Google Patents
Braille printing system and braille printing method using the same Download PDFInfo
- Publication number
- EP3187340B1 EP3187340B1 EP16191013.8A EP16191013A EP3187340B1 EP 3187340 B1 EP3187340 B1 EP 3187340B1 EP 16191013 A EP16191013 A EP 16191013A EP 3187340 B1 EP3187340 B1 EP 3187340B1
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- European Patent Office
- Prior art keywords
- braille
- printing
- plate
- printing plate
- paper
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/32—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing in Braille or with keyboards specially adapted for use by blind or disabled persons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/0047—Machines or apparatus for embossing decorations or marks, e.g. embossing coins by rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
- B44B5/028—Heated dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0707—Embossing by tools working continuously
- B31F2201/0715—The tools being rollers
- B31F2201/0717—Methods and means for forming the embossments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0707—Embossing by tools working continuously
- B31F2201/0715—The tools being rollers
- B31F2201/0723—Characteristics of the rollers
- B31F2201/073—Rollers having a multilayered structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0707—Embossing by tools working continuously
- B31F2201/0715—The tools being rollers
- B31F2201/0723—Characteristics of the rollers
- B31F2201/0738—Cross sectional profile of the embossments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0707—Embossing by tools working continuously
- B31F2201/0715—The tools being rollers
- B31F2201/0741—Roller cooperating with a non-even counter roller
- B31F2201/0743—Roller cooperating with a non-even counter roller having a matching profile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/08—Forme preparation by embossing, e.g. with a typewriter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/16—Braille printing
Definitions
- the present invention relates generally to a braille printing system and a braille printing method using the same and. More particularly, it relates to a braille printing system and a braille printing method using the same, the braille printing system enhancing braille printing speed with a double print head structure and enhancing completion of braille printed on paper by heating the paper.
- JP 2006-235264 A there is known a Braille embossing apparatus for performing embossing of Braille on an object to be embossed wherein quality in processing and efficiency in manufacturing is improved by making it possible to emboss hard-to-break Braille continuously and in large quantity.
- the Braille embossing apparatus is so constituted that: an impression cylinder is arranged opposite to a printing cylinder with continuous paper in between; projecting parts corresponding to Braille information are formed on the roll surface of the printing cylinder; and the impression cylinder is rotated together with the printing cylinder.
- An elastic member of prescribed stiffness is provided on the roll surface of the impression cylinder, and the radius of the impression cylinder to the surface of the elastic member is made different from the radius of the printing cylinder to the roll surface.
- braille is a system of embossed dots that are raised from the surface paper or a plane surface, and is used as a writing system for persons who are visually impaired.
- Braille has a unique character system that is different from general written or printed letters expressed with dots and lines. That is, braille expresses letters and marks with braille cells that consist of big and small embossed dots, wherein the number of the embossed dots is equal to or less than six.
- braille expresses letters and marks with braille cells that consist of big and small embossed dots, wherein the number of the embossed dots is equal to or less than six.
- countries using phonetic alphabets use braille in accordance with the letters of their alphabets.
- the first method is one using a slate having braille cells and using a stylus that looks like an awl to punch paper that is thicker than normal paper.
- the pressing method is usually applied to produce a simple braille document.
- braille paper is inserted into a press having a press board in which embossed dots expressing letters, symbols, or marks are arranged, and the braille paper is pressed under a pressure which avoids penetrating the braille paper.
- the second method which is widely used in recent years, is one using a computer-controlled braille printer.
- the braille printer uses a computer, which has a large storage capacity and fast processing speed. Therefore, it is convenient to correct errors, and the speed of producing braille printed materials is relatively fast.
- the pressing method for printing braille is widely used because the pressing method has advantages, such as high quality of braille printing, no limitations on size and quality of paper, and the ability for the use of ink text with braille.
- the limitations are common problems of printing braille.
- a printing plate for the pressing method is not standardized, but it is generally the same size as A4 paper.
- a conventional printing plate is made of zinc, and recently, is made of aluminum.
- a braille embosser has two printing plates fixed thereto, and punches the two printing plates based on a manuscript. Paper is inserted into a space between the two printing plates, and passes through a press roller, thereby printing braille on the paper.
- a conventional braille embosser is classified into a manual braille embosser and an automatic braille embosser according to the method of printing braille.
- a braille character contains six embossed dots.
- the automatic braille embosser automatically prints braille stored in a braille translating computer program.
- the manual braille embosser prints braille by a person inputting braille characters one by one with a braille input device.
- a braille embosser using both the manual and automatic methods is also widely used.
- a conventional automatic braille embosser is unable to control the intervals of the rows and columns. Therefore, when printing braille on paper having ink text, the braille and the ink text can be printed at the same position or ink text can be damaged. Consequently, the braille can interfere with the ink text thus making it difficult to read the ink text.
- the conventional automatic braille embosser limits the range of printed items, such as business cards, illustrations, pictures, etc.
- the manual braille embosser prints braille by a person inputting braille characters one by one. Therefore, when printing braille on paper with ink text, the braille can be printed based on positions of the ink text having various intervals of rows and columns. In addition, the braille can be printed without interfering with the ink text.
- braille printed materials having a braille height of about 0.2 ⁇ 0.3 mm are unstable when printed by only pressing paper without heating the paper. Therefore, the braille embossment is easily worn out and is pressed down due to frequent use. As time passes, it is difficult to read the braille, and value of the braille printed materials decreases.
- a braille printing device or a braille printing system that can print braille quickly and can enhance quality of braille printed materials by ensuring durability of the braille is required.
- Patent Document 1 Korean Patent No. 10-1359522 (29 January 2014 ).
- the system can enhance braille printing speed by heating paper on which braille is to be printed.
- the braille printing system can enhance braille printing quality by heating the paper.
- the braille printed material is easy for a braille reader to read by printing braille higher.
- the braille printing system can maintain durability and the height of the braille regardless of thickness of the paper.
- the braille printed material can compensate for defects such as that braille of a conventional braille printed material is easily pressed down as time passes and is vulnerable to moisture or water, etc., by simultaneously heating and compressing a surface of the paper.
- the braille printing method can enhance braille printing speed by using the double print head structure, and can enhance completion of braille printed on paper by heating the paper, thereby reducing work time and enhancing printing work efficiency.
- the braille printed material can have good durability and is easy to read, thereby maintaining quality of the braille printed material despite frequent use.
- FIGS. 1 to 8 are views showing a braille printing system according to an exemplary embodiment of the present invention.
- a braille print system includes a braille printing plate producing unit 100 producing a braille printing plate 10; a rubber printing plate producing unit 200 producing a rubber printing plate 20; and a braille printing unit 300 producing a braille printed material 1 by printing braille on a paper 1a.
- the braille printing plate producing unit 100 produces the braille printing plate 10 by punching a metal plate with a punching device to form embossed dots P on the metal plate.
- the braille printing plate producing unit 100 includes a metal plate 110 on which the embossed dots P are formed; a braille typesetting plate 120 guiding a position to be punched in a dot shape, on the metal plate 110; a punching device 130 having a needle rod 131 punching a surface of the metal plate 110 to form the embossed dots thereon.
- the metal plate 110 is made of zinc or aluminum having a thickness t of about 0.2 ⁇ 0.4 mm.
- the braille printing plate 10 is produced by punching the metal plate 110 with the punching device 130 to form the embossed dots P on a front surface of the metal plate 110.
- the braille typesetting plate 120 guides a position to be punched by the punching device 130 in a dot shape.
- the braille typesetting plate 120 includes an upper perforated plate 121 through which a first braille hole 121a is formed; a lower perforated plate 123 placed to face the upper perforated plate 121, with a second braille hole 123a formed through the lower perforated plate 123; a bottom fixing plate 125 integrally attached to a lower surface of the lower perforated plate 123; and a spacer 127 provided on each of end portions of the upper and lower perforated plates 121 and 123, and maintaining a space between the upper and the lower perforated plates 121 and 123.
- the upper and lower perforated plates 121 and 123 have a space therebetween, and are placed to face each other and fixed.
- the upper and lower perforated plates 121 and 123 respectively have braille holes 121a and 123a formed through the upper and lower perforated plates 121 and 123.
- the braille holes 121a and 123a including several braille cells respectively having six big and small holes are arranged on front surfaces of the upper and lower perforated plates 121 and 123.
- the first braille hole 121a of the upper perforated plate 121 is a penetrating hole having a depth of about 10 mm.
- the second braille hole 123a of the lower perforated plate 123 is a concave hole having a depth of about 0.5 mm without penetrating the lower perforated plate 123. Therefore, when the needle rod 131 of the punching device 130 punches the metal plate 110, embossed dots P having a fixed height of 0.5 mm are formed on the metal plate 110.
- the needle rod has a length of 10.5 mm.
- a bottom fixing plate 125 integrally attached to a lower surface of the lower perforated plate 123 such that the lower perforated plate 123 is steady during punching the metal plate.
- the upper and lower perforated plates 121 and 123 are made of a transparent acrylic board. Therefore, when the metal plate is punched, the position to be punched in the dot shape and a position of ink text printed on the metal plate 110 are checked.
- the spacer 127 maintaining the space between the upper and lower perforated plates 121 and 123 is formed of a general bolt and nut, and thus detailed description thereof will be omitted herein.
- the punching device 130 is a punching device having a general structure for forming the embossed dots by moving forward, rearward, leftward, and rightward based on the braille holes 121a and 123a having the six big and small holes respectively formed on the upper and lower perforated plates 121 and 123.
- a length of the needle rod 131 punching the metal plate 110 is preferably 10.5 mm.
- the braille is formed by locating the needle rod 131 of the punching device 130 moving forward, rearward, leftward, and rightward. Simultaneously, a proper position to be punched to form the braille and a position of ink text reflected in the upper perforated plate 121 made from transparent acrylic material are checked.
- the rubber printing plate producing unit 200 produces a rubber printing plate 20 by punching a surface of a rubber sheet with a laser to form engraved dots P on the rubber sheet.
- the engraved dots P of the rubber printing plate 20 and the embossed dots P of the braille printing plate 10 are provided at corresponding positions.
- the rubber printing plate 20 serves as a bottom board of the braille printing plate 10 on which the embossed dots are formed.
- a paper is pressed by the embossed dots of the braille printing plate 10.
- the paper is smoothly caved into the engraved dots of the rubber printing plate 20. Therefore, embossed braille is smoothly printed on the paper.
- the braille printing unit 300 produces a braille printed material 1 by printing braille on a paper 1a after producing the braille printing plate 10 and the rubber printing plate 20.
- the braille printing unit 300 includes a base 310; a paper supply unit 320 provided at an end of the base 310, and supplying the paper 1a in order; a conveying belt 330 provided on the base 310 to have a connection with the paper supply unit 320, and conveying the paper; and a braille forming unit 340 provided at a middle portion of the base 310 to print the braille on the paper 1a being conveyed by the conveying belt 330, the braille forming unit 340 including two cylindrical drums placed to face each other to which the braille printing plate 10 and the rubber printing plate 20 respectively are attached.
- the paper supply unit 320 supplies paper stacked to a certain height to the conveying belt 330.
- the paper supply unit 320 is a general component of a printing device, and thus detailed description thereof will be omitted herein.
- the conveying belt 330 includes a belt conveying the paper 1a to the braille forming unit 340, and includes a belt conveying the braille printed material 1 produced from the braille forming unit 340 after printing the braille.
- the braille forming unit 340 includes a double head that is an upper head 341 and a lower head 342 placed to face each other in a vertical direction both having a cylindrical drum shape.
- the upper and lower heads have respective heating wires 343 therein.
- the upper head 341 and the lower head 342 rotate and print the braille on the paper 1a by simultaneously heating and compressing the surface of the paper 1a passing therebetween, thereby producing the braille printed material 1.
- the upper head 341 is provided with the braille printing plate 10 detachably attached thereto, the braille printing plate produced by forming the embossed dots P on the metal plate 100.
- the lower head 342 is provided with the rubber printing plate 20 detachably attached thereto, the rubber printing plate produced by punching the rubber sheet with a laser to form the engraved dots P on the rubber sheet.
- the braille printing plate 10 and the rubber printing plate 20 are respectively wound around outer circumferential surfaces of the upper head 341 and the lower head 342 both having the cylindrical drum shape, and are fixed thereto by respective fixing pins 344.
- the heating wires when installing the heating wires 343 electrically connected to each other, the heating wires can be installed inside of the upper head 341 or lower head 342. However, it is desirable to install the heating wires inside of both upper and lower heads.
- the heating wires are desired to have heating temperature of between 90 ⁇ 100°C. Due to the heating wires, printing speed of the present invention is faster than printing speed of a conventional braille printer. Furthermore, the braille printed on the paper in an embossed shape has a height of 0.5 mm. The height is maintained by heating the heating wires provided in the both upper and lower heads such that the braille is solidly maintained.
- the present invention discloses a braille printing method using the braille printing system.
- FIG. 9 is a view showing the braille printing method using the braille printing system according to an exemplary embodiment of the present invention.
- the braille printing method using the braille printing system includes processes of the braille printing system including a braille printing plate producing unit 100 producing a braille printing plate 10; a rubber printing plate producing unit 200 producing a rubber printing plate 20; and a braille printing unit 300 producing a braille printed material 1 by printing braille on paper 1a.
- a portion of paper on which braille is to be printed is designed by using a design program. Ink text is then printed on the paper and the paper, on which the ink text has been printed, is attached to a metal plate 110 at step S10.
- the braille printing plate 10 is prepared by punching the metal plate 110 with a punching device 130 based on a braille hole of a braille typesetting plate 120 to form embossed dots on the metal plate, after inserting the metal plate 110 into a space of the braille typesetting plate 120 at step S20.
- the rubber printing plate 20 is prepared by punching a rubber sheet with a laser to form engraved dots on the rubber sheet at step S30.
- Printing the braille is prepared by attaching the braille printing plate 10 and the rubber printing plate 20 to a braille forming unit 340 of the braille printing unit 330 such that the braille printing plate and the rubber printing plate face each other in a vertical direction at step S40.
- the paper 1a is conveyed to the braille forming unit 340 at step S50.
- the braille forming unit 340 carves and prints the braille on the conveyed paper 1a by heating and rotating an upper head and a lower head to which the braille printing plate 10 and the rubber printing plate 30 are respectively attached at step S60.
- a braille printed material is produced by completing the printing and conveying the braille printed material by a conveying belt at step S70.
- the braille printed material 1 is produced to have a braille height of 0.5 mm.
- a braille printing plate preparing step is as follows.
- a portion of paper on which braille is to be printed is designed by using a design program, in combination of a computer automatic braille translating program.
- Ink text (letters or pictures) is printed on the paper based on the braille design.
- the paper, on which the ink text is printed, is attached to a metal plate 110.
- the metal plate is inserted into a space of the braille typesetting plate 120 between the upper and lower perforated plates 121 and 123.
- the braille printing plate 10 is prepared by penetrating the braille typesetting plate with the needle rod of the punching device to form embossed dots on the metal plate. Simultaneously, a position of ink text reflected in the braille typesetting plate is checked.
- a rubber printing plate preparing step is as follows.
- a rubber sheet having a thickness t of about 2 mm is prepared.
- a rubber printing plate 20 is prepared by punching the rubber sheet with a laser to form engraved dots corresponding to the embossed dots of the metal plate formed by the braille typesetting plate 120.
- braille printing is prepared by attaching the braille printing plate 10 and the rubber printing plate 20 to the braille forming unit 340 of the braille printing unit 300.
- the paper is conveyed by the conveying belt 330 from the paper supply unit 320.
- the braille is printed on the paper 1a conveyed by the conveying belt, simultaneously passing through the braille forming unit 340.
- the upper head 341 and the lower head 342 of the braille forming unit which are placed to face each other in a vertical direction, rotate and print the braille on the paper 1a being conveyed, by simultaneously heating and compressing a surface of the paper la.
- the braille forming unit 340 prints the braille and simultaneously produces the braille printed material 1.
- the heating wires electrically connected to each other are installed in the upper head and the lower head of the braille forming unit.
- the braille printing plate and the rubber printing plate respectively attached to the upper/lower heads rotate, and the embossed dots and the engraved dots meet. Simultaneously, the paper is pressed to print the braille, and a braille height of 0.5 mm is solidly maintained by the heating wires of the heads.
- the braille is printed quickly and the braille printed material can be produced regardless of thickness of paper.
- the printed braille having a fixed height of 0.5 mm is different from a conventional braille having a height of 0.2 mm. Therefore, it is possible to provide a braille printed material compensating for defects such as that braille of a conventional braille printed material is easily pressed down as time passes and is vulnerable to moisture or, etc.
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- Mechanical Engineering (AREA)
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- Printers Characterized By Their Purpose (AREA)
Description
- The present invention relates generally to a braille printing system and a braille printing method using the same and. More particularly, it relates to a braille printing system and a braille printing method using the same, the braille printing system enhancing braille printing speed with a double print head structure and enhancing completion of braille printed on paper by heating the paper.
- From
JP 2006-235264 A - From
DE 10 2005 046 229 A1 - From
DE 10 2006 006 708 A1 - Generally, braille is a system of embossed dots that are raised from the surface paper or a plane surface, and is used as a writing system for persons who are visually impaired.
- Braille has a unique character system that is different from general written or printed letters expressed with dots and lines. That is, braille expresses letters and marks with braille cells that consist of big and small embossed dots, wherein the number of the embossed dots is equal to or less than six. Nowadays, countries using phonetic alphabets use braille in accordance with the letters of their alphabets.
- Conventionally, the following methods for printing braille are used.
- The first method is one using a slate having braille cells and using a stylus that looks like an awl to punch paper that is thicker than normal paper. The pressing method is usually applied to produce a simple braille document. In order to produce a large number of braille printed materials with the pressing method, braille paper is inserted into a press having a press board in which embossed dots expressing letters, symbols, or marks are arranged, and the braille paper is pressed under a pressure which avoids penetrating the braille paper.
- The second method, which is widely used in recent years, is one using a computer-controlled braille printer. The braille printer uses a computer, which has a large storage capacity and fast processing speed. Therefore, it is convenient to correct errors, and the speed of producing braille printed materials is relatively fast.
- However, in case when the computer-controlled Braille printer, paper for braille is relatively expensive such that it is difficult to produce a large number of braille printed materials. Consequently, purchase cost of braille printed materials has increased. In addition, the size and quality of paper for braille and printing methods are restricted.
- In the meantime, the pressing method for printing braille is widely used because the pressing method has advantages, such as high quality of braille printing, no limitations on size and quality of paper, and the ability for the use of ink text with braille. The limitations are common problems of printing braille.
- The size of a printing plate for the pressing method is not standardized, but it is generally the same size as A4 paper. A conventional printing plate is made of zinc, and recently, is made of aluminum. A braille embosser has two printing plates fixed thereto, and punches the two printing plates based on a manuscript. Paper is inserted into a space between the two printing plates, and passes through a press roller, thereby printing braille on the paper.
- A conventional braille embosser is classified into a manual braille embosser and an automatic braille embosser according to the method of printing braille. A braille character contains six embossed dots. The automatic braille embosser automatically prints braille stored in a braille translating computer program. The manual braille embosser prints braille by a person inputting braille characters one by one with a braille input device. A braille embosser using both the manual and automatic methods is also widely used.
- It is advantageous to use the automatic braille embosser automatically printing braille with a braille translating computer program in which the braille is stored in advance. However, when rows and columns are defined in advance, braille is printed based on the defined rows and columns. Therefore, the automatic braille embosser is inappropriate for materials having both ink text and braille.
- A conventional automatic braille embosser is unable to control the intervals of the rows and columns. Therefore, when printing braille on paper having ink text, the braille and the ink text can be printed at the same position or ink text can be damaged. Consequently, the braille can interfere with the ink text thus making it difficult to read the ink text. In addition, the conventional automatic braille embosser limits the range of printed items, such as business cards, illustrations, pictures, etc.
- In the meantime, the manual braille embosser prints braille by a person inputting braille characters one by one. Therefore, when printing braille on paper with ink text, the braille can be printed based on positions of the ink text having various intervals of rows and columns. In addition, the braille can be printed without interfering with the ink text.
- However, when rows and columns are required to be adjusted during printing braille, a fixed slate of a conventional manual braille embosser should be released and again fixed to a desired position, which is a serious impediment to efficiency of the braille embosser. Consequently, purchase cost of braille printed materials increases.
- In addition, braille printed materials having a braille height of about 0.2∼0.3 mm are unstable when printed by only pressing paper without heating the paper. Therefore, the braille embossment is easily worn out and is pressed down due to frequent use. As time passes, it is difficult to read the braille, and value of the braille printed materials decreases.
- Furthermore, there is restriction of the thickness of paper and of producing a large number of the braille printed materials due to slow printing speed.
- Therefore, a braille printing device or a braille printing system that can print braille quickly and can enhance quality of braille printed materials by ensuring durability of the braille is required.
- (Patent Document 1) Korean Patent No.
10-1359522 (29 January 2014 - Accordingly, the present invention has been made keeping in mind the above problems occurring in the related art. The object of the invention is attained by braille printing system according to
claim 1 and by a braille printing method according to claim 7. Further developments of the invention are specified in the dependent claims. - According to the braille printing system and the braille printing method using the same, the system can enhance braille printing speed by heating paper on which braille is to be printed.
- In addition, the braille printing system can enhance braille printing quality by heating the paper.
- In addition, the braille printed material is easy for a braille reader to read by printing braille higher.
- In addition, the braille printing system can maintain durability and the height of the braille regardless of thickness of the paper.
- In addition, the braille printed material can compensate for defects such as that braille of a conventional braille printed material is easily pressed down as time passes and is vulnerable to moisture or water, etc., by simultaneously heating and compressing a surface of the paper.
- In addition, the braille printing method can enhance braille printing speed by using the double print head structure, and can enhance completion of braille printed on paper by heating the paper, thereby reducing work time and enhancing printing work efficiency.
- In addition, the braille printed material can have good durability and is easy to read, thereby maintaining quality of the braille printed material despite frequent use.
- In addition, maintenance of the braille printing system is easy with the detachable printing plates and work efficiency is enhanced by easily replacing the printing plates.
- The above and other objects, features and other advantages of the present invention will be more clearly understood from the following detailed description when taken in conjunction with the accompanying drawings, in which:
-
FIGS. 1 to 8 are views showing a braille printing system according to an exemplary embodiment of the present invention, -
FIG. 1 is an exemplary view showing a braille printing system according to an exemplary embodiment of the present invention; -
FIG. 2 is an exemplary view showing the process of producing a braille printing plate by inserting a metal plate into a space of a braille typesetting plate and of punching the metal plate according to an exemplary embodiment of the present invention; -
FIG. 3 is a plan view showing a braille typesetting plate according to an exemplary embodiment of the present invention; -
FIG. 4 is an exemplary view showing the process of producing a rubber printing plate by punching a rubber sheet with a laser according to an exemplary embodiment of the present invention; -
FIG. 5A is a partial enlarged cross-sectional view showing a main portion of a braille printing plate according to an exemplary embodiment of the present invention; -
FIG. 5B is a partial enlarged cross-sectional view showing a main portion of a rubber printing plate according to an exemplary embodiment of the present invention; -
FIG. 6 is an exemplary view showing the process of producing a braille printed material by a braille forming unit printing braille on a paper according to an exemplary embodiment of the present invention; -
FIG. 7 is a partial enlarged cross-sectional view showing a main portion of the braille forming unit ofFIG. 6 ; -
FIG. 8 is a front view showing a braille printed material according to an exemplary embodiment of the present invention; and -
FIG. 9 is a view showing a braille printing method using the braille printing system according to an exemplary embodiment of the present invention. - Hereinbelow, an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.
- Hereinbelow, all embossed dots and engraved dots are denoted as "P", and a paper having a designed portion on which braille to be printed is denoted as a
paper 1a, and a paper having printed braille is denoted as a braille printedmaterial 1 in the accompanying drawings. -
FIGS. 1 to 8 are views showing a braille printing system according to an exemplary embodiment of the present invention. - According to the exemplary embodiment of the present invention, a braille print system includes a braille printing
plate producing unit 100 producing abraille printing plate 10; a rubber printingplate producing unit 200 producing arubber printing plate 20; and abraille printing unit 300 producing a braille printedmaterial 1 by printing braille on apaper 1a. - The braille printing
plate producing unit 100 produces thebraille printing plate 10 by punching a metal plate with a punching device to form embossed dots P on the metal plate. The braille printingplate producing unit 100 includes ametal plate 110 on which the embossed dots P are formed; abraille typesetting plate 120 guiding a position to be punched in a dot shape, on themetal plate 110; apunching device 130 having a needle rod 131 punching a surface of themetal plate 110 to form the embossed dots thereon. - In addition, it is desirable that the
metal plate 110 is made of zinc or aluminum having a thickness t of about 0.2∼0.4 mm. Thebraille printing plate 10 is produced by punching themetal plate 110 with thepunching device 130 to form the embossed dots P on a front surface of themetal plate 110. - The
braille typesetting plate 120 guides a position to be punched by thepunching device 130 in a dot shape. Thebraille typesetting plate 120 includes an upperperforated plate 121 through which a firstbraille hole 121a is formed; a lowerperforated plate 123 placed to face the upperperforated plate 121, with a secondbraille hole 123a formed through the lowerperforated plate 123; abottom fixing plate 125 integrally attached to a lower surface of the lowerperforated plate 123; and aspacer 127 provided on each of end portions of the upper and lowerperforated plates perforated plates - Referring to
FIG. 3 , by thespacer 127, the upper and lowerperforated plates - In addition, the upper and lower
perforated plates braille holes perforated plates braille holes perforated plates - Here, the first
braille hole 121a of the upperperforated plate 121 is a penetrating hole having a depth of about 10 mm. The secondbraille hole 123a of the lowerperforated plate 123 is a concave hole having a depth of about 0.5 mm without penetrating the lowerperforated plate 123. Therefore, when the needle rod 131 of thepunching device 130 punches themetal plate 110, embossed dots P having a fixed height of 0.5 mm are formed on themetal plate 110. The needle rod has a length of 10.5 mm. - In addition, a
bottom fixing plate 125 integrally attached to a lower surface of the lowerperforated plate 123 such that the lowerperforated plate 123 is steady during punching the metal plate. - In the meantime, after inserting the
metal plate 110 into the space between the upper and lowerperforated plates spacer 127, themetal plate 110 is properly positioned to be punched. - Here, it is desirable that the upper and lower
perforated plates metal plate 110 are checked. - The
spacer 127 maintaining the space between the upper and lowerperforated plates - The
punching device 130 is a punching device having a general structure for forming the embossed dots by moving forward, rearward, leftward, and rightward based on thebraille holes perforated plates metal plate 110 with thepunching device 130, a length of the needle rod 131 punching themetal plate 110 is preferably 10.5 mm. - Namely, in a state in which the
metal plate 110 is inserted into the space between the upper and lowerperforated plates punching device 130 moving forward, rearward, leftward, and rightward. Simultaneously, a proper position to be punched to form the braille and a position of ink text reflected in the upperperforated plate 121 made from transparent acrylic material are checked. - The rubber printing
plate producing unit 200 produces arubber printing plate 20 by punching a surface of a rubber sheet with a laser to form engraved dots P on the rubber sheet. The engraved dots P of therubber printing plate 20 and the embossed dots P of thebraille printing plate 10 are provided at corresponding positions. - Here, the
rubber printing plate 20 serves as a bottom board of thebraille printing plate 10 on which the embossed dots are formed. In the process of printing braille by thebraille printing unit 300, a paper is pressed by the embossed dots of thebraille printing plate 10. The paper is smoothly caved into the engraved dots of therubber printing plate 20. Therefore, embossed braille is smoothly printed on the paper. - The
braille printing unit 300 produces a braille printedmaterial 1 by printing braille on apaper 1a after producing thebraille printing plate 10 and therubber printing plate 20. - The
braille printing unit 300 includes abase 310; apaper supply unit 320 provided at an end of thebase 310, and supplying thepaper 1a in order; a conveyingbelt 330 provided on the base 310 to have a connection with thepaper supply unit 320, and conveying the paper; and a braille formingunit 340 provided at a middle portion of the base 310 to print the braille on thepaper 1a being conveyed by the conveyingbelt 330, thebraille forming unit 340 including two cylindrical drums placed to face each other to which thebraille printing plate 10 and therubber printing plate 20 respectively are attached. - The
paper supply unit 320 supplies paper stacked to a certain height to the conveyingbelt 330. Thepaper supply unit 320 is a general component of a printing device, and thus detailed description thereof will be omitted herein. - The conveying
belt 330 includes a belt conveying thepaper 1a to the braille formingunit 340, and includes a belt conveying the braille printedmaterial 1 produced from thebraille forming unit 340 after printing the braille. - In the meantime, the
braille forming unit 340 includes a double head that is anupper head 341 and alower head 342 placed to face each other in a vertical direction both having a cylindrical drum shape. The upper and lower heads haverespective heating wires 343 therein. Theupper head 341 and thelower head 342 rotate and print the braille on thepaper 1a by simultaneously heating and compressing the surface of thepaper 1a passing therebetween, thereby producing the braille printedmaterial 1. - In addition, the
upper head 341 is provided with thebraille printing plate 10 detachably attached thereto, the braille printing plate produced by forming the embossed dots P on themetal plate 100. Thelower head 342 is provided with therubber printing plate 20 detachably attached thereto, the rubber printing plate produced by punching the rubber sheet with a laser to form the engraved dots P on the rubber sheet. - It is desirable that the
braille printing plate 10 and therubber printing plate 20 are respectively wound around outer circumferential surfaces of theupper head 341 and thelower head 342 both having the cylindrical drum shape, and are fixed thereto by respective fixing pins 344. - In addition, when installing the
heating wires 343 electrically connected to each other, the heating wires can be installed inside of theupper head 341 orlower head 342. However, it is desirable to install the heating wires inside of both upper and lower heads. - In addition, the heating wires are desired to have heating temperature of between 90∼100°C. Due to the heating wires, printing speed of the present invention is faster than printing speed of a conventional braille printer. Furthermore, the braille printed on the paper in an embossed shape has a height of 0.5 mm. The height is maintained by heating the heating wires provided in the both upper and lower heads such that the braille is solidly maintained.
- In the meantime, the present invention discloses a braille printing method using the braille printing system.
-
FIG. 9 is a view showing the braille printing method using the braille printing system according to an exemplary embodiment of the present invention. - According to the exemplary embodiment of the present invention, the braille printing method using the braille printing system includes processes of the braille printing system including a braille printing
plate producing unit 100 producing abraille printing plate 10; a rubber printingplate producing unit 200 producing arubber printing plate 20; and abraille printing unit 300 producing a braille printedmaterial 1 by printing braille onpaper 1a. - A portion of paper on which braille is to be printed is designed by using a design program. Ink text is then printed on the paper and the paper, on which the ink text has been printed, is attached to a
metal plate 110 at step S10. - In the braille printing
plate producing unit 100, thebraille printing plate 10 is prepared by punching themetal plate 110 with apunching device 130 based on a braille hole of abraille typesetting plate 120 to form embossed dots on the metal plate, after inserting themetal plate 110 into a space of thebraille typesetting plate 120 at step S20. - In the rubber printing
plate producing unit 200, therubber printing plate 20 is prepared by punching a rubber sheet with a laser to form engraved dots on the rubber sheet at step S30. - Printing the braille is prepared by attaching the
braille printing plate 10 and therubber printing plate 20 to a braille formingunit 340 of thebraille printing unit 330 such that the braille printing plate and the rubber printing plate face each other in a vertical direction at step S40. - In the
braille printing unit 300, thepaper 1a is conveyed to the braille formingunit 340 at step S50. - The braille forming
unit 340 carves and prints the braille on the conveyedpaper 1a by heating and rotating an upper head and a lower head to which thebraille printing plate 10 and therubber printing plate 30 are respectively attached at step S60. - In the braille forming
unit 340, a braille printed material is produced by completing the printing and conveying the braille printed material by a conveying belt at step S70. - In addition, the braille printed
material 1 is produced to have a braille height of 0.5 mm. - Hereinbelow, various effects realized by the braille printing system will be described with reference to the above-mentioned composition.
- First, a braille printing plate preparing step is as follows.
- A portion of paper on which braille is to be printed is designed by using a design program, in combination of a computer automatic braille translating program.
- Ink text (letters or pictures) is printed on the paper based on the braille design.
- The paper, on which the ink text is printed, is attached to a
metal plate 110. - The metal plate is inserted into a space of the
braille typesetting plate 120 between the upper and lowerperforated plates - The
braille printing plate 10 is prepared by penetrating the braille typesetting plate with the needle rod of the punching device to form embossed dots on the metal plate. Simultaneously, a position of ink text reflected in the braille typesetting plate is checked. - Second, a rubber printing plate preparing step is as follows.
- A rubber sheet having a thickness t of about 2 mm is prepared.
- A
rubber printing plate 20 is prepared by punching the rubber sheet with a laser to form engraved dots corresponding to the embossed dots of the metal plate formed by thebraille typesetting plate 120. - Third, braille printing is prepared by attaching the
braille printing plate 10 and therubber printing plate 20 to the braille formingunit 340 of thebraille printing unit 300. - Next, the paper is conveyed by the conveying
belt 330 from thepaper supply unit 320. - The braille is printed on the
paper 1a conveyed by the conveying belt, simultaneously passing through the braille formingunit 340. - Here, the
upper head 341 and thelower head 342 of the braille forming unit, which are placed to face each other in a vertical direction, rotate and print the braille on thepaper 1a being conveyed, by simultaneously heating and compressing a surface of the paper la. - Last, the
braille forming unit 340 prints the braille and simultaneously produces the braille printedmaterial 1. - As described above, the heating wires electrically connected to each other are installed in the upper head and the lower head of the braille forming unit. The braille printing plate and the rubber printing plate respectively attached to the upper/lower heads rotate, and the embossed dots and the engraved dots meet. Simultaneously, the paper is pressed to print the braille, and a braille height of 0.5 mm is solidly maintained by the heating wires of the heads.
- With the pressure and the heating wires of the upper/lower heads, the braille is printed quickly and the braille printed material can be produced regardless of thickness of paper. In addition, the printed braille having a fixed height of 0.5 mm is different from a conventional braille having a height of 0.2 mm. Therefore, it is possible to provide a braille printed material compensating for defects such as that braille of a conventional braille printed material is easily pressed down as time passes and is vulnerable to moisture or, etc.
Claims (8)
- A braille printing system comprising:a braille printing plate producing unit (100) for producing a braille printing plate (10) by forming embossed dots (P) on a metal plate (110);a rubber printing plate producing unit (200) for producing a rubber printing plate (20); anda braille printing unit (300) for producing a braille printed material (1) by printing braille on a paper (1b) being conveyed between the braille printing plate (10) and the rubber printing plate (20) placed to face each other,wherein the braille printing unit (300) is configured to print the braille on the paper (1b) by simultaneously heating and compressing a surface of the paper (1b) passing between the braille printing plate (10) and the rubber printing plate (20), andwherein the braille forming unit (340) has a double drum structure that is formed by an upper head (341) and a lower head (342) placed, which face each other in a vertical direction and to which the braille printing plate (10) and the rubber printing plate (20) respectively are attached, both having a cylindrical drum shape,characterized in that the rubber printing plate producing unit (200) is configured to produce the rubber printing plate (20) by forming engraved dots on a rubber sheet (210),the braille printing unit (300) comprises:a base (310);a paper supply unit (320) provided at an end of the base (310), and configured to supply paper (1b) in order;a conveying belt (330) provided on the base (310) to have a connection with the paper supply unit (320), and configured to convey the paper (1b); anda braille forming unit (340) provided at a middle portion of the base (310) to print the braille on the paper (1b) being conveyed by the conveying belt (330),wherein the upper head (341) and/or the lower head (342) has a respective heating wire (343) therein,
wherein the upper head (341) and the lower head (342) rotate and print the braille on the paper by simultaneously heating and compressing the surface of the paper passing therebetween. - The braille printing system of claim 1, wherein the braille printing plate producing unit (100) comprises:the metal plate (110) on which the embossed dots (P) are formed;a braille typesetting plate (120) for guiding a position to be punched in a dot shape, on the metal plate (110); anda punching device (130) for punching a surface of the metal plate (110) to form the embossed dots (P) thereon.
- The braille printing system of claim 2, wherein the braille typesetting plate (120) comprises:an upper perforated plate (121) through which a first braille hole (121a) is formed;a lower perforated plate (123) placed to face the upper perforated plate (121), with a second braille hole (123a) formed through the lower perforated plate (123);a bottom fixing plate (125) integrally attached to a lower surface of the lower perforated plate (123); anda spacer (127) provided on end portions of the upper and lower perforated plates (121, 123), and maintaining a space between the upper and lower perforated plates (121, 123).
- The braille printing system of claim 3, wherein the upper and lower perforated plates (121, 123) are made of a transparent acrylic board such that, when the metal plate (110) is inserted into the space between the upper and lower perforated plates (121, 123) and the surface of the metal plate (110) is punched, the position to be punched in the dot shape and a position of ink text printed on the metal plate (110) are checked.
- The braille printing system of claim 1, wherein the upper head (341) is provided with the braille printing plate (10) detachably attached thereto, the braille printing plate (10) produced by forming the embossed dots (P) on the metal plate (110),
wherein the lower head (342) is provided with the rubber printing plate (20) detachably attached thereto, the rubber printing plate (20) produced by punching the rubber sheet (210) with a laser to form the engraved dots on the rubber sheet (210),
wherein the braille printing plate (10) and the rubber printing plate (20) are respectively wound around outer circumferential surfaces of the upper head (341) and the lower head (342) both having the cylindrical drum shape, and are fixed thereto by respective fixing pins (344). - The braille printing system of claim 1, wherein the braille printing unit (300) produces the braille printed material (1) having a braille height of 0.5 mm.
- A braille printing method using a braille printing system comprising: a braille printing plate producing unit (100) producing a braille printing plate (10); a rubber printing plate producing unit (200) producing a rubber printing plate (20); and a braille printing unit (300) producing a braille printed material (1) by printing braille on a paper (1b), the braille printing method comprising:designing, using a design program, a portion of the paper (1b) on which the braille is to be printed, printing ink text on the paper (1b), and attaching the paper (1b) on which the ink text is printed to a metal plate (110);preparing, in the braille printing plate producing unit (100), the braille printing plate (10) by punching the metal plate (110) with a punching device (130) based on a braille hole of a braille typesetting plate (120) to form embossed dots (P) on the metal plate (110), after inserting the metal plate (110) into a space of the braille typesetting plate (120);preparing, in the rubber printing plate producing unit (200), the rubber printing plate (20) by punching a rubber sheet with a laser to form engraved dots on the rubber sheet (20) ;preparing for printing the braille by attaching the braille printing plate (10) and the rubber printing plate (20) to a braille forming unit (340) of the braille printing unit (300) such that the braille printing plate (10) and the rubber printing plate (20) face each other in a vertical direction;conveying, in the braille printing unit (300), the paper (1b) to the braille forming unit (340);carving and printing, by the braille forming unit (340), the braille on the conveyed paper (1b) by heating and by rotating the upper head (341) and the lower head (342) to which the braille printing plate (10) and the rubber printing plate (20) are respectively attached; andproducing the braille printed material (1) by completing the printing with the braille forming unit (340) and conveying the braille printed material (1) by a conveying belt (330),characterized in that heating in the step of carving and printing is performed by using a respective heating wire (343) installed inside the upper head (341) and/or the lower head (342),the step of designing includes the steps of printing ink text on the paper (1b), and attaching the paper (1b) on which the ink text is printed to a metal plate (110);a conveying belt (330) is used for conveying the braille printed material (1) in the step of producing the braille printed material (1); andthe method includes the following steps:preparing, in the braille printing plate producing unit (100), the braille printing plate (10) by punching the metal plate (110) with a punching device (130) based on a braille hole of a braille typesetting plate (120) to form embossed dots (P) on the metal plate (110), after inserting the metal plate (110) into a space of the braille typesetting plate (120); andpreparing, in the rubber printing plate producing unit (200), the rubber printing plate (20) by punching a rubber sheet with a laser to form engraved dots on the rubber sheet (20) .
- The braille printing method of claim 7, wherein the braille printed material (1) is produced to have a braille height of 0.5 mm.
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KR1020150188790A KR20170078353A (en) | 2015-12-29 | 2015-12-29 | A printing system and printing method thereof |
EP16184333 | 2016-08-16 |
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CA2060567C (en) * | 1991-02-04 | 1997-06-10 | Galyn Arlyn Schulz | Apparatus for embossing a fibrous web |
JP2001005376A (en) * | 1999-06-24 | 2001-01-12 | Yoshinao Tanaka | Braille plate composing apparatus |
EP1609588B1 (en) * | 2004-06-22 | 2010-06-02 | Boegli-Gravures S.A. | Apparatus and method for satin-finishing and embossing flat materials |
JP4443439B2 (en) * | 2005-02-25 | 2010-03-31 | トッパン・フォームズ株式会社 | Braille embossing equipment |
DE102005024153A1 (en) * | 2005-05-23 | 2006-12-07 | Cito Printline Gmbh | Offset printing-rotary printing machine pressing device for applying braille information on medication boxes, has braille stamp with braille script information arranged on impression cylinder and with adhesive tape on its rear side |
DE102005046229A1 (en) * | 2005-09-28 | 2007-03-29 | Koenig & Bauer Ag | Rotary printing machine for embossing tactile forms e.g. Braille, of print substrate, has male mold and/or female mold attached on impression cylinder and corresponding male mold and/or female mold arranged on rubber cylinder |
DE102006006708B4 (en) * | 2006-02-13 | 2008-02-14 | Cito-System Gmbh | Methods and apparatus for the production of Braille embossing profiles and braille embossing as well as Braille embossing profiles as such |
KR101359522B1 (en) | 2013-09-11 | 2014-02-10 | 한창이웨이(주) | A tactile plate and its manufacturing apparatus and a method for manufacturing the same |
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