EP0359846A1 - Instrument à dessiner sans contact - Google Patents
Instrument à dessiner sans contact Download PDFInfo
- Publication number
- EP0359846A1 EP0359846A1 EP88115389A EP88115389A EP0359846A1 EP 0359846 A1 EP0359846 A1 EP 0359846A1 EP 88115389 A EP88115389 A EP 88115389A EP 88115389 A EP88115389 A EP 88115389A EP 0359846 A1 EP0359846 A1 EP 0359846A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bore
- pen
- tube
- housing
- ring
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
- B05B7/2459—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device a liquid being fed by capillarity from the container to the nozzle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
- B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
- B05B7/2435—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together by parallel conduits placed one inside the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K8/00—Pens with writing-points other than nibs or balls
- B43K8/006—Pens with writing-points other than nibs or balls using a spraying system, e.g. airbrushes
Definitions
- the invention relates to a so-called contactless drawing device, i. H. a device for receiving a felt or tube pen or the like, with which the writing or drawing liquid is sprayed from the pen by means of pressure onto the surface to be written or painted.
- Such a drawing device is known from the published European patent application 0.092.359.
- This device consists of a holder in which a drawing device with a felt tip can be fastened, with which lines, etc. can be drawn on the surface to be written on by contacting it.
- the holder has a valve to be operated with the finger in an opening parallel to the center line of the felt-tip pen, this opening on the one hand being connected to a pressure carrier connection and on the other hand to a nozzle whose center line is at an angle to the center line of the felt-tip pen.
- This opening is provided below the valve with an adjustable throttle element, which serves to fine-tune the amount of air that can be sprayed through the nozzle onto the front end of the felt tip.
- the stream of gaseous medium, such as compressed air, coming from the nozzle ensures that the dye particles are removed from the felt tip and distributed in the form of a spray. This way you can draw, color and draw lines without that there is contact with the surface to be processed, so that the user is no longer hindered by the friction of the drawing device on the drawing surface.
- gaseous medium such as compressed air
- a disadvantage of this contactless drawing device with a felt tip is that a wide, irregular spray mist is created by directing the medium jet onto the felt tip at an angle, which makes it impossible to work with sharply defined surface boundaries or lines.
- a writing tip instead of the felt tip, a writing tip can also be fastened in the holder, which has a writing tube with a wire inside, the wire being able to move in a certain way in the tube.
- the known writing tips are very widespread for the production of general illustrations, in which it is important to draw lines in a certain line width or thickness, which is determined by the diameter of the tube end. If such a writing tip known per se is used in the described and illustrated holder for felt tips, it is equally impossible for the surface to be treated, e.g.
- the known device is also quite bulky.
- the holding part for receiving the drawing device and the housing, which forms a whole for the valve, throttle element and the spray nozzle at this point, are larger than the drawing device itself.
- a paint sprayer is known from the international patent application PCT NL 87 00019, in which the air flow is directed concentrically to the drawing tube or the fiber tip.
- the advantage here is that sharp lines and areas can be produced.
- the manufacture of the device is difficult and expensive, since the bore in the housing does not meet in one plane and also not at a right angle and therefore the passage when the bore meets one another cannot be achieved without reworking.
- the object of the invention is now to show a way to eliminate the manufacturing difficulties in the manufacture of such a device and to enable a clean and precise spraying in any position with the help of a tube or felt tip pen on the surface to be painted or described.
- Fig. 1 shows an embodiment of the invention in section with inserted tube recorder in the closed state
- Fig. 2 the shows the same section with inserted tube recorder in the open state
- Fig. 3 shows the device seen in section from the front and shows that the actuators are in one plane.
- the contactless drawing device consists of a housing 1 designed as a holder, which is used to hold a drawing device 11 with a tube receptacle 11a and drawing tube 11b with drop weight wire.
- the drawing device 11 is fastened with its thread in the thread 12a of the thread adapter 12 and is centered in the ring adapter 6 with its tube holder 11a. With its front flat surface 11d, the pipe receptacle 11a strikes the flat surface of the offset bore 5e in the air nozzle 5, so that the drawing tube 11b protrudes slightly from the bore 5d. Between the outer diameter of the drawing tube 11b and the bore 5d of the air nozzle 5 there is an annular gap 13 for the passage of air.
- hose connection pin 1a Parallel to the axis of the drawing device 11 with ink container and tube holder 11a with drawing tube 11b and on the same level is the hose connection pin 1a with the hole 1b for the connection of the pressure medium.
- the offset hole 1c, with stop 1cc, hole 1f, thread 1d and stop 1e, which are connected to hole 1b, are formed at an angle of 90 ° thereto.
- the bores 1c and 1f are intended for receiving the line ring 7, the cone valve 8, the spring 9 and the sealing screw 10.
- a round recess 1n is formed in the housing 1, which together with the annular flat surface 5g forms the annular groove 1h on the air nozzle 5, in which the actuating ring 4 is movably mounted with play relative to the transverse axis.
- the air grooves 1g are attached, which the over flow of air or the medium from the annular groove 1h to the annular groove 5b at the air nozzle 5.
- the bores 5c in the air nozzle 5 connect the annular groove 5b on the air nozzle 5 to the annular gap 13, which is formed by the drawing tube 11b and the bore 5d in the air nozzle 5.
- the bore 1i is located on the same axis, in which the actuating pin 3 is mounted, which protrudes from the housing 1 and strikes the actuating lever 2.
- the other end of the actuating pin 3 rests on the actuating ring 4.
- a slight play is provided between the actuating pin 8a on the cone valve 8 and the actuating ring 4, so that the sealing cone 8b on the cone valve 8 on the cord ring 7 seals properly in the rest position.
- the bore 1k receives the air nozzle 5, while 1kk is the limit stop for the shoulder on the air nozzle 5.
- a ventilation hole 11 is provided. 1m is the bearing for the actuating lever 2.
- An enlarged receiving bore 5f is provided for receiving the drawing tube 11b.
- the drop weight wire 11c runs in the drawing tube 11b.
- sealing screw 10a On the housing 1 there is a sealing ring collar 10a on the sealing screw 10, 10b is the thread on the sealing screw 10, 10c is the bore for receiving the guide pin 8c on the plug valve 8 and 10d is the stop on the head of the sealing screw 10.
- a pin 5a is located on the air nozzle 5.
- the function of the contactless drawing device according to the invention is as follows:
- the actuating lever 2 If the actuating lever 2 is pressed in the direction of the housing 1, then the actuating pin 3 moves in the direction of the central axis of the drawing tube and the actuating ring 4 likewise moves in this direction and lifts the sealing cone 8b on the cone valve 8 against the spring pressure of the compression spring 9 from its support via the actuating pin 8a from the cord ring 7, so that an air passage is created, which allows the air to flow through the holes 1b, 1c and 1f, the air grooves 1g, the ring groove 5b, the holes 5c over the annular gap 13 to the drawing tube tip, where the air flow removes the color from the Drawing tube sucks. In this way a clear-cut spray can be generated, with which good sharp lines and areas can be sprayed. If the lever 2 is relieved, the spring 9 securely closes the cone valve 8 on the cord ring 7 and thus prevents further flow of air and thus also the spraying of paint.
- the aim of the invention is to provide the user with an inexpensive and reliable contactless drawing device.
- the housing 1 consists of a plastic injection-molded part which can be produced without rework, in which all the bores and recesses are arranged on one level and at a right angle.
- the actuating lever 2 can also be produced without any reworking from plastic in the injection molding process, it also being possible to form a locking element which has a pin which engages in the bearing 1m on the housing 1 and is rotatably supported by a stop.
- the thread adapter 12 can also be used without rework beit made of plastic by injection molding and connected to the housing 1 with adhesive.
- the actuating pin 3, the actuating ring 4, the air nozzle 5, the ring adapter 6, the plug valve 8 and the sealing screw 10 are made of metal and can each be finished without reworking on automatic lathes.
- the cord ring 7 is made of rubber or elastic plastic.
- the compression spring 9 is made of stainless steel. The assembly costs are low because only a few parts need to be assembled.
Landscapes
- Pens And Brushes (AREA)
- Nozzles (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8888115389T DE3874335D1 (de) | 1988-09-20 | 1988-09-20 | Kontaktlos-zeichengeraet. |
EP88115389A EP0359846B1 (fr) | 1988-09-20 | 1988-09-20 | Instrument à dessiner sans contact |
AT88115389T ATE80092T1 (de) | 1988-09-20 | 1988-09-20 | Kontaktlos-zeichengeraet. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP88115389A EP0359846B1 (fr) | 1988-09-20 | 1988-09-20 | Instrument à dessiner sans contact |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0359846A1 true EP0359846A1 (fr) | 1990-03-28 |
EP0359846B1 EP0359846B1 (fr) | 1992-09-02 |
Family
ID=8199338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88115389A Expired - Lifetime EP0359846B1 (fr) | 1988-09-20 | 1988-09-20 | Instrument à dessiner sans contact |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0359846B1 (fr) |
AT (1) | ATE80092T1 (fr) |
DE (1) | DE3874335D1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0561027A1 (fr) * | 1992-03-19 | 1993-09-22 | ROTRING INTERNATIONAL GMBH & Co KG | Traceur-découpeur avec pinceau à air |
CN107953699A (zh) * | 2017-12-25 | 2018-04-24 | 高艳旎 | 一种能够喷射墨水的笔 |
WO2020109826A1 (fr) | 2018-11-30 | 2020-06-04 | Labman Automation Limited | Tête de pulvérisation à segments séparables radialement |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2709217A1 (de) * | 1977-03-03 | 1978-09-07 | Ewald Lorenz | Farbspritzapparat |
WO1988001202A1 (fr) * | 1986-08-20 | 1988-02-25 | Grafic World V.O.F. | Tire-ligne sans contact (''pinceau a air'') |
-
1988
- 1988-09-20 EP EP88115389A patent/EP0359846B1/fr not_active Expired - Lifetime
- 1988-09-20 AT AT88115389T patent/ATE80092T1/de active
- 1988-09-20 DE DE8888115389T patent/DE3874335D1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2709217A1 (de) * | 1977-03-03 | 1978-09-07 | Ewald Lorenz | Farbspritzapparat |
WO1988001202A1 (fr) * | 1986-08-20 | 1988-02-25 | Grafic World V.O.F. | Tire-ligne sans contact (''pinceau a air'') |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0561027A1 (fr) * | 1992-03-19 | 1993-09-22 | ROTRING INTERNATIONAL GMBH & Co KG | Traceur-découpeur avec pinceau à air |
US5392520A (en) * | 1992-03-19 | 1995-02-28 | Rotring International Gmbh & Co. Kg | Vector brush |
CN107953699A (zh) * | 2017-12-25 | 2018-04-24 | 高艳旎 | 一种能够喷射墨水的笔 |
CN107953699B (zh) * | 2017-12-25 | 2023-08-15 | 黑龙江越阳环保科技有限公司 | 一种能够喷射墨水的笔 |
WO2020109826A1 (fr) | 2018-11-30 | 2020-06-04 | Labman Automation Limited | Tête de pulvérisation à segments séparables radialement |
Also Published As
Publication number | Publication date |
---|---|
EP0359846B1 (fr) | 1992-09-02 |
DE3874335D1 (de) | 1992-10-08 |
ATE80092T1 (de) | 1992-09-15 |
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