EP0707805B1 - Verfahren zur Überprüfung der Borstenbündel in einem Borstenfeld - Google Patents
Verfahren zur Überprüfung der Borstenbündel in einem Borstenfeld Download PDFInfo
- Publication number
- EP0707805B1 EP0707805B1 EP95116164A EP95116164A EP0707805B1 EP 0707805 B1 EP0707805 B1 EP 0707805B1 EP 95116164 A EP95116164 A EP 95116164A EP 95116164 A EP95116164 A EP 95116164A EP 0707805 B1 EP0707805 B1 EP 0707805B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bristle
- nozzles
- pressure
- nozzle
- array
- 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
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D9/00—Machines for finishing brushes
Definitions
- the invention relates to a method for checking the completeness of the bristle bundle in the bristle field of the bristle head or bristle holder a brush, such as a toothbrush, hand wash brush, nail brush, Hairbrush or the like.
- the invention proposed that in a predetermined position of the bristle field with one of the number, the arrangement and the cross section of the Bristle bundle corresponding nozzle bottom provided nozzle is moved relatively far against the bristle field until at least the free ends of the bristle bundles in the front immerse the nozzles that afterwards the back of each Pressurized nozzle with a pressurized gas and the building pressure is measured and that when determining a deviation from a predetermined pressure value the corresponding bristle head or bristle carrier as unusable is sorted out.
- Such a method can be done in a simple manner and with low completeness the completeness of the bristle bundle in Bristle field of a bristle head or bristle holder Toothbrush or the like can be checked. Even incomplete Bristle bundles are detectable, so that faulty toothbrushes or the like. no longer get to the customer and there lead to complaints.
- the method according to the invention can also be used when the bristle fields are not plan, but are contoured.
- an elevation Bristle field 1 shown which for example is a component the bristle head 2 or an exchangeable bristle carrier a toothbrush.
- the bristle field 1 includes illustrated embodiment in the longitudinal direction of Bristle head 2 eight bristle bundles 3, each through four greatly enlarged bristles 5 are shown.
- the usage side Ends of the bristles 5 rounded and all usage-side Ends of the bristles 5 or bristle bundles 3 are in one level.
- still more bristle bundles 3 in at least two rows are provided, the bristle bundle 3 one Row opposite the bristle bundle 3 of an adjacent one Row can be offset against each other.
- the position of the bristle field 1 is the bristle head 2 in a known manner, not shown clamped, the clamped position of the bristle head 2 tolerances with respect to the bristle bundles 3 can have.
- a plate-like nozzle base 6 At a short distance above the clamped bristle head 2 there is a plate-like nozzle base 6, the one with the number, the arrangement and the cross section the bristle bundle 3 corresponding number of nozzles 7 is provided.
- the nozzles 7 can on their bristle field 1 facing end with a chamfer 8 be.
- the nozzle base 6 is now above the bristle field 2 arranged that all nozzles 7 are in alignment with each take a bristle bundle 3.
- a line 9 On the bristle field 1 opposite end of each nozzle 7 is a line 9 connected, which is either tubular or tubular is. All lines 9 are in the illustrated embodiment connected to a manifold 10 and lead to a pressure switch 12 which is more advantageous Is designed as a differential pressure switch.
- Pressure switch 12 leads line 10 to a pressure meter (Manometer 11), which the necessary operating pressure delivers. From here, line 10 leads to one per se known, not shown compressed gas line, via the the line 10, the lines 9 and the nozzles 6 with one Compressed gas, for example compressed air, with a predetermined one Pressure of, for example, 2 to 3 bar can be applied can.
- a control unit 13 is assigned to the pressure switch 12.
- nozzles 7 are largely closed by bristle bundles 3 are built in the shortest possible time in the still free part of the nozzles 7, the lines 9 and the manifold 10 a print on which, if it has a predetermined, exceeds the adjustable value in the pressure switch 12 triggers a switching pulse that is supplied to the control unit 13 is signaled there that the bristle field 1 is complete and therefore error-free. Via the control unit 13 can now be the clamping device for the bristle head 2 opened and the toothbrush of a packaging device be fed.
- the pressure switch 12 and the control unit 13 so to design that with a perfect bristle field 1 no switching impulse is given and that only that Absence of pressure build-up within a given one Time in the pressure switch 12 leads to a switching pulse. Further it is possible to use any nozzle 7 or any row of nozzles 7 assign a separate pressure switch 12. Thereby the machine effort increases while the review improves. With such a design however, it is possible to localize where or in which row a bristle bundle 3 is incomplete or is missing. The verification procedure described above and the device is functional even when the free ends of the bristles 5 or the bristle bundle 3 are not arranged in one plane, but are contoured. In order to achieve such a configuration of the bristle field 1 It can always get usable switching impulses be useful if the nozzle bottom 6 of the topography the bristle field 1 is adapted.
Landscapes
- Brushes (AREA)
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
- Motor Or Generator Current Collectors (AREA)
Description
Claims (9)
- Verfahren zur Überprüfung der Vollständigkeit der Borstenbündel in dem Borstenfeld des Borstenkopfes bzw. Borstenträgers einer Bürste, wie Zahnbürste, Handwaschbürste, Nagelbürste, Haarbürste oder dgl.,
dadurch gekennzeichnet,
daß in einer vorgegebenen Stellung des Borstenfeldes ein mit einer der Anzahl, der Anordnung und dem Querschnitt der Borstenbündel (3) entsprechenden Düsen (7) versehener Düsenboden (6) relativ so weit gegen das Borstenfeld bewegt wird, bis zumindest die freien Enden der Borstenbündel in die Vorderseite der Düsen (7) eintauchen, daß danach die Rückseite jeder Düse mit einem Druckgas beaufschlagt und der sich dabei aufbauende Druck gemessen wird und daß bei der Feststellung einer Abweichung von einem vorgegebenen Druckwert der entsprechende Borstenkopf bzw. Borstenträgers als unbrauchbar aussortiert wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß der sich aufbauende Druck an jeder Düse (7) gemessen wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß der sich aufbauende Druck gemeinsam an mindestens zwei Düsen (7) gemessen wird. - Verfahren nach Anspruch 3,
dadurch gekennzeichnet,
daß der sich aufbauende Druck gemeinsam an einer Reihe von Düsen (7) gemessen wird. - Verfahren nach Anspruch 3,
dadurch gekennzeichnet,
daß der sich aufbauende Druck gemeinsam an allen Düsen (7) gemessen wird. - Vorrichtung zur Durchführung des Verfahrens nach mindestens einem der Ansrpüche 1-5,
gekennzeichnet durch
einen in einer vorgegebenen Stellung des Borstenfeldes (1) durch eine Relativbewegung kurzzeitig gegen dasselbe bewegbaren Düsenboden (6) mit einer der Anzahl, der Anordnung und dem Querschnitt der Borstenbündel (3) entsprechenden Düsen (7), die an mindestens eine Druckgasleitung (9,10) angeschlossen sind, und durch mindestens einen in die Druckgasleitung (10) eingesetzten, auf einen einstellbaren Druck des Gases ansprechenden Schalter (12) beaufschlagbare Auswerfeinrichtung. - Vorrichtung nach Anspruch 6,
dadurch gekennzeichnet,
daß die dem Borstenfeld (1) bzw. den Borstenbündeln (3) zugewandten Enden der Düsen (7) des Düsenbodens (6) mit einer Fase (8) oder dgl. versehen sind. - Vorrichtung nach Anspruch 6 oder 7,
dadurch gekennzeichnet,
daß jeder Düse (7), jeder zweiten Düse (7) oder einer Reihe von Düsen (7) einem Differendruckschalter (12) zugeordnet ist. - Vorrichtung nach mindestens einem der Ansprüche 6-8,
dadurch gekennzeichnet,
daß die dem Borstenfeld (1) zugewandte Fläche des Düsenbodens (6) eine Kontur des Borstenfeldes (1) entsprechende Kontur aufweist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4437344 | 1994-10-19 | ||
| DE4437344A DE4437344C2 (de) | 1994-10-19 | 1994-10-19 | Verfahren zur Überprüfung der Borstenbündel in einem Borstenfeld und Vorrichtung zur Durchführung des Verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0707805A1 EP0707805A1 (de) | 1996-04-24 |
| EP0707805B1 true EP0707805B1 (de) | 1998-10-07 |
Family
ID=6531158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95116164A Expired - Lifetime EP0707805B1 (de) | 1994-10-19 | 1995-10-13 | Verfahren zur Überprüfung der Borstenbündel in einem Borstenfeld |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0707805B1 (de) |
| AT (1) | ATE171853T1 (de) |
| DE (1) | DE4437344C2 (de) |
| DK (1) | DK0707805T3 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3501512A1 (de) * | 1985-01-18 | 1986-07-24 | Fa. Anton Zahoransky, 7868 Todtnau | Buerstenherstellungsmaschine sowie verfahren zum ueberpruefen von buersten |
| BE901724A (nl) * | 1985-02-13 | 1985-05-29 | Boucherie Nv G B | Inrichting voor de automatische kwaliteitskontrole van borstels. |
| DE3623593A1 (de) * | 1986-07-12 | 1988-01-21 | Zahoransky Anton Fa | Buerstenherstellungsmaschine |
-
1994
- 1994-10-19 DE DE4437344A patent/DE4437344C2/de not_active Expired - Fee Related
-
1995
- 1995-10-13 EP EP95116164A patent/EP0707805B1/de not_active Expired - Lifetime
- 1995-10-13 AT AT95116164T patent/ATE171853T1/de not_active IP Right Cessation
- 1995-10-13 DK DK95116164T patent/DK0707805T3/da active
Also Published As
| Publication number | Publication date |
|---|---|
| DK0707805T3 (da) | 1999-06-21 |
| EP0707805A1 (de) | 1996-04-24 |
| DE4437344A1 (de) | 1996-04-25 |
| ATE171853T1 (de) | 1998-10-15 |
| DE4437344C2 (de) | 1999-04-01 |
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