EP1613190B1 - Ram of a plugging device for driving a strip-type anchor into a bore of a brush head that holds a tuft of bristles - Google Patents
Ram of a plugging device for driving a strip-type anchor into a bore of a brush head that holds a tuft of bristles Download PDFInfo
- Publication number
- EP1613190B1 EP1613190B1 EP04722171.8A EP04722171A EP1613190B1 EP 1613190 B1 EP1613190 B1 EP 1613190B1 EP 04722171 A EP04722171 A EP 04722171A EP 1613190 B1 EP1613190 B1 EP 1613190B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ram
- driving
- plunger
- cross
- face
- 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
- 239000000463 material Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims 1
- 241000549893 Carphochaete Species 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
- A46D3/04—Machines for inserting or fixing bristles in bodies
- A46D3/042—Machines for inserting or fixing bristles in bodies for fixing bristles using an anchor or staple
Definitions
- the invention relates to a plunger of a stuffing tool it for driving a strip-shaped armature in a bristle tufts receiving borehole of a brush head according to the features of the preamble of claim 1.
- the plunger 30 has a rectangular cross section, the thickness of which substantially corresponds to the individual driving surfaces of the FIGS. 1 and 5 stacked staples 20, generally called holding element or anchor in the future, corresponds.
- the armature 20 are separated from a sheet metal strip 22 by the plunger 30, which is perpendicular to the longitudinal axis A of the plunger 30.
- the longitudinal axis A of the plunger 30 is parallel to the center lines of the bores 14 formed in the toothbrush body 12, that is, when a bore 14 is just stuffed with a tuft 16, its central axis is aligned with the longitudinal axis A of the plunger 30.
- the driving surface of the plunger 30 is in Fig. 5 referred to as the end face 32.
- the plunger 30 has wider longitudinal sides and narrower end faces, which form a rectangle and correspond in accordance with FIG. 5 in its cross section substantially to the cross section of the holding elements 20.
- a bristle tufts 16 Perpendicular to the longitudinal axis A of the plunger 30 extends to the FIGS. 1 and 5 a bristle tufts 16, which is then subsequently deformed U-shaped when driving into the bore 14 and then pressed into the bore 14 as a bristle tufts.
- the lateral edges of the holding member 20 intersect in the edge of a bore 14 of the brush head 12, which is not apparent from the figures.
- the plunger 30 presses the holding element 20 so far into the edge material of a bore 14 of the brush head 12 until the armature 20 no longer protrudes from the surface of the brush head 12.
- a plunger 12 for a stuffing tool 6 for driving a strip-shaped holding element 5, 22 in a bristle tufts 2 receiving bristle hole 3 according to the preamble of claim 1 known.
- Fig. 1 will be here a thin sheet-metal wire 10 inserted into the Bestopfungswerkmaschine 6, wherein this runs perpendicular to the plunger 12. The free end of the wire 10 projects transversely into the tappet 12 leading channel 11 a. If now the plunger 12 is moved in the direction of the toothbrush 4, it shears off a piece of the wire 10, which then forms the actual holding element 5, 22, which is now conveyed along the channel 11 in the direction of the toothbrush head 4. In this way, the holding member 5 according to Fig.
- bristle tufts 12 with the armature 5 is driven into a borehole of the toothbrush.
- the holding element 5 is pressed so deep into the borehole 3 until it is no longer accessible from the outside, however, now protrudes in one direction extending bristle tufts 2 with its free end a predetermined length out of the borehole.
- the end portions of the holding member 5 dig into the bore wall of the borehole 3, thereby forming grooves (without a position number) which firmly press against the side surfaces of the holding member 5 due to the elastic material of the brush body 4, and thus the holding member Keep 5 in this position in the borehole 3. In this way, the bristle tufts 2 is securely held in the borehole 3.
- the object of the invention is therefore to improve a plunger of the type mentioned in that it not only with aligned with the longitudinal axis of the plunger, but also with respect to the longitudinal axis of the plunger obliquely bores during the Bestopfungsvorgangs longer and does not break off early or otherwise it will be damaged. Furthermore, it is also an object of the invention to drive the holding elements or anchor clean and accurate in the holes with the plunger, so that they firmly hold the bristle tufts in the holes.
- the plunger has an outwardly directed cross-sectional widening on its side surfaces in the central region, on the one hand increases the driving surface of the plunger and on the other hand increases the resistance or bending moment of the plunger.
- the increase in the driving surface also leads to the fact that when the holding element or the armature when driving into the well tried to slip sideways easily still detected by the enlarged plunger surface and is driven cleanly into the bore of a brush head.
- the thickening and stabilization of the tappet in the bore area allows - regardless of the bore inclination or the rounding of the anchor wire - better guidance at the anchor wires.
- the number of ram breaks is significantly reduced.
- the width of the gap or cut at the edge of the hole (plunge area of the anchor) is further determined only by the anchor width and not by the design of the plunger, that a significant cross-sectional broadening of the plunger takes place only in that area, in the well - but not in the bore - dips.
- the bristle pull-out forces do not change compared to conventional plugging, since the brush body is mechanically deformed by the holding element or armature as before.
- the features of claim 2 are provided.
- the thickening of the side surfaces must not exceed the extent of the diameter of a bore, otherwise the thickening of the plunger would already dig into the edge of the borehole when driving a retaining element and this would damage.
- the thickening on the driving surface of the plunger must therefore be present only in the area of the borehole.
- a cross-sectional enlargement of the driving surface of the plunger can already be effected according to the features of claim 3 by being formed only on a side surface of the plunger.
- a plunger can be produced particularly simply if the cross-sectional widening attached to it is effected via a step. This achieves the greatest possible increase in a cross-sectional widening beyond the region which no longer penetrates into the material of the bristle head.
- the cross-sectional widening can take place in rectangular (claim 6), in trapezoidal (claim 7) or part-circular form. It is advantageous if the radii formed at the corners are as large as possible in order to keep notch stresses on the plunger as small as possible. The corners can be subsequently milled out of the sintered hard metal sheet, ground or otherwise mechanically worked out. But it is also possible according to the features of claim 8, to use as a ram rolled profile sheet, which has been tempered or hardened to obtain the required strength.
- the driver of the ram is wedge-shaped. This prevents that the plastic area is cut more than usual, which would otherwise lead to a reduction of the bristle extraction forces and an increase in the protruding bristles.
- a punching range of 1.1 mm for a hole diameter of 1.5 mm and a minimum anchor depth of 0.85 mm this means an angled tip of at least 75 °.
- the punching area is increased by 0.2 mm, the minimum angle of 75 ° (claim 10) is maintained.
- the supernatant of the driving surface with respect to the area acted upon by the plunger surface of the holding element is about 10 to 40%, preferably 25%. These dimensions are already a particularly stable Tappets created that have much longer life than the usual plunger have.
- the bristle head is formed by a toothbrush head, which is preferably injection molded from plastic.
- a toothbrush head which is preferably injection molded from plastic.
- the tappet according to the invention has a particularly advantageous effect, since substantially longer lifetimes of the tappet are achieved.
- the brush head may also be part of a brush, a broom, a brush or a similar bristled tool.
- FIGS. 1, 2 and 4 are shown from the driving surface 2 ago.
- Fig. 3 is the plunger 1 from the side in the direction X according to Fig. 4 shown in detail.
- the longitudinal axis A of the plunger 1 in Fig. 3 corresponds at the same time in the DE 195 28 762 C1 in Fig. 1 5 and 9 shown Longitudinal axis same reference numerals, ie, according to Fig. 3 the plunger 1 extends vertically upwards, while its driving surface 2 is perpendicular to the plane of the drawing.
- the driving surface 2 runs in the drawing plane.
- the tappet 1 according to the invention can therefore also be used in the tamping machines described in the prior art, wherein only the side profiles of the tappet 1 receiving slots in the tamping tool would have to be adapted to the newly designed plunger 1.
- the driving surface 2 is formed, on the one hand, by a longitudinal side 3 with end faces 6 which are perpendicular to one another and of equal length to one another FIG. 1 nor the supernatant surface 16, which is formed by the narrower end face 7 and the narrower longitudinal side 4, must be added while after FIG. 2 the protrusion surface 18 and the attached at the two end portions 17, triangular protrusion surfaces 20 and after FIG. 4 the protrusion surface 19, which correspond in size to the protrusion surfaces 16 and 18, and the attached to the two end regions 17 rectangular protruding surfaces 21 must be added.
- the triangular protrusion surface 20 is after FIG.
- the rectangular protrusion surface 21 is after FIG. 4 formed by the vertically extending end faces 10 and the horizontally extending side surfaces 32.
- the narrow end faces 7 extend perpendicular to the longitudinal sides 3, 4th
- the longitudinal side 3 has the length a and the narrower longitudinal side 4 has the length b.
- the longitudinal side 3 has the length a and the narrower longitudinal side 5 has the length b.
- the end faces 6 and the longitudinal side 3 form a rectangular surface, wherein the lower longitudinal side 3 opposite, imaginary longitudinal sides 11, 12 are dashed in the drawing.
- Fig. 1 is in the distance from a - b 2 formed on both sides of the top 13, a step 14 which extend perpendicular to the longitudinal side 3 and thus parallel to the end faces 6.
- the of the lengths a - b 2 formed short longitudinal sides 15 extend in Fig. 1 parallel to the longitudinal side 3.
- the Studentsstans vom Kunststoff Club 17 formed by the longitudinal sides 15 and the end faces 6 is the surface area which penetrates into a bore wall when driving a retaining element (not shown), as the corresponding surface areas in the FIGS. 4 and 7 of the EP 1 088 495 A1 demonstrate.
- the remaining surface area covered by the width b would, according to the EP, engage in a borehole and thus would have no contact with the bore wall.
- the surface circumscribed by the end face 7 and the shorter longitudinal side 15 forms the projection surface 16 on the plunger 1 according to the invention.
- This projection surface 16 increases the otherwise known in the art driving surface, which would be known only from the dimensions a • d would be composed.
- the driving surface 2 including the projection surface 18 is still increased by the triangular surface 20.
- the narrow end face 8 preferably forms an angle g of approximately 8 ⁇ 2 °.
- the cross-sectional area 24, 25, 26 of the plunger 1 lying between the end area surfaces 17, which dips into the bristle hole, is in Fig. 1 around the protrusion surface 16 wider than the end-side end area surfaces 17th
- the ram 1 after Fig. 1 is slightly less rigid than the ram 1 after Fig. 4 while the ram 1 after Fig. 1 least rigid against the ram 1 after the FIGS. 2 and 4 is because it has no protrusion areas in its end regions 17.
- the ram displaced 1 after Fig. 1 also when driving into a well no material on the bore wall, while this is the ram 1 after Fig. 2 the case is and even after the pestle 1 after Fig. 4 increases doubly, since the supernatant surfaces 21 of the end portions 17 are here almost twice as large as the protrusion surfaces 20 at the end portions 17 after Fig. 2 ,
- the total lengths c and f at the end face 6, 7 and 8 are about 0.25 mm, the length d at the end face 6 is about 0.2 mm.
- the length a of the side surface 3 is also about 2 mm and the length f is about 0.25 mm.
- Fig. 3 It can be seen that at the longitudinal sides 3 on both opposite sides of the longitudinal surfaces 22 and the end portions 17 on both opposite sides of the end faces 23 connect upwards and so form the outer surfaces for the plunger 1.
- the end faces 23 are chamfered towards the outside and form an angle e of approximately 75 °. This facilitates the penetration of the plunger 1 into a bore wall of a bristle head, since the surface of the end regions 17 also penetrates the material slowly but steadily as the penetration depth increases.
- the end regions 17 form according to Fig. 3 So a kind of wedge surface to allow the penetration resistance to rise only slowly, which avoids damage to the plunger and the toothbrush body.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Brushes (AREA)
- Road Signs Or Road Markings (AREA)
Description
Die Erfindung betrifft einen Stößel eines Stopfwerkzeug es zum Eintreiben eines streifenförmigen Ankers in ein ein Borstenbüschel aufnehmendes Bohrloch eines Bürstenkopfes gemäß den Merkmalen des Oberbegriffs des Patentanspruchs 1.The invention relates to a plunger of a stuffing tool it for driving a strip-shaped armature in a bristle tufts receiving borehole of a brush head according to the features of the preamble of
Aus der
Senkrecht zur Längsachse A des Stößels 30 verläuft nach den
Aus der
In der Praxis hat sich nun herausgestellt, daß, wenn die Bohrungen nicht mehr zur Längsachse des Stößels fluchten, d.h., wenn sie zur Längsachse geneigt sind, was heute oftmals wünschenswert ist, um dadurch nicht nur Borstenbüschel senkrecht aus der Zahnbürstenoberfläche, sondern auch schräg aus der Zahnbürstenoberfläche verlaufen zu lassen, ergibt sich der Nachteil, daß oftmals die Eintreibflächen beschädigt oder sogar die Enden der Stößel abbrechen. Dies führt zu einem erheblichen Montage- bzw. Reparaturaufwand, da der Stößel an dem Stopfwerkzeug ausgebaut, abgelängt und neu konturiert werden muß. In dieser Zeit können keine weiteren Zahnbürstenköpfe bestopft werden, was zu einem nennenswerten Produktionsverlust führt.In practice, it has now been found that when the holes are no longer aligned with the longitudinal axis of the plunger, that is, when they are inclined to the longitudinal axis, which is often desirable today, thereby not only bristle tufts perpendicular from the toothbrush surface, but also obliquely run the toothbrush surface, there is the disadvantage that often damage the driving surfaces or even cancel the ends of the plunger. This leads to a considerable installation or repair effort, since the plunger must be removed from the stuffing tool, cut to length and reshaped. During this time, no more toothbrush heads can be stuffed, resulting in a significant loss of production.
Aufgabe der Erfindung ist es daher, einen Stößel der eingangs genannten Art dahingehend zu verbessern, daß er nicht nur bei mit der Längsachse des Stößels fluchtenden, sondern auch bei gegenüber der Längsachse des Stößels schräg verlaufenden Bohrungen während des Bestopfungsvorgangs länger standhält und nicht frühzeitig abbricht oder sonstwie beschädigt wird. Des weiteren ist es auch Aufgabe der Erfindung, mit dem Stößel die Halteelemente oder Anker sauber und exakt in den Bohrungen einzutreiben, damit diese die Borstenbüschel sicher in den Bohrungen festhalten.The object of the invention is therefore to improve a plunger of the type mentioned in that it not only with aligned with the longitudinal axis of the plunger, but also with respect to the longitudinal axis of the plunger obliquely bores during the Bestopfungsvorgangs longer and does not break off early or otherwise it will be damaged. Furthermore, it is also an object of the invention to drive the holding elements or anchor clean and accurate in the holes with the plunger, so that they firmly hold the bristle tufts in the holes.
Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst. Dadurch, daß der Stößel an seinen Seitenflächen im mittleren Bereich eine nach außen gerichtete Querschnittserweiterung aufweist, wird einerseits die Eintreibfläche des Stößels vergrößert und andererseits das Widerstands- bzw. Biegemoment des Stößels heraufgesetzt. Die Vergrößerung der Eintreibfläche führt auch dazu, daß dann, wenn das Halteelement bzw. der Anker beim Eintreiben in das Bohrloch seitlich leicht wegzurutschen versucht, immer noch von der vergrößerten Stößelfläche erfaßt und sauber in die Bohrung eines Bürstenkopfes eingetrieben wird. Durch die Erhöhung des Widerstandsmomentes am Stößel hält beim Einpreßvorgang des Halteelements trotz einer eventuell einwirkenden Querbelastung dieser erhöhten Belastung besser stand und bricht nicht frühzeitig ab. Auch dann, wenn die Stirnfläche des Halteelements abgerundet ist, was in der Praxis häufig vorkommt, bringt die Eintreibflächenvergrößerung am Stößel einen wirkungsvollen Vorteil, da hierdurch ebenfalls der "Abrutscheffekt" weitgehend und somit die Bruchgefahr des Stößels vermieden werden kann. Der gleiche Vorteil wird auch beim Eintreiben von Trennwänden in ein Bohrloch erreicht, da diese nach dem gleichen Prinzip in die Bohrlöcher eingetrieben werden. Die Trennwände werden dann benutzt, wenn ein längliches ovales Bohrloch in mehrere Bohrabschnitte aufgeteilt und dann jedes Teilbohrloch bestopft werden soll.This object is achieved by the characterizing features of
Die Verdickung und Stabilisierung des Stößels im Bohrungsbereich erlaubt - unabhängig von der Bohrungsneigung oder der Verrundung des Ankerdrahtes - eine bessere Führung an den Ankerdrähten. Die Zahl der Stößelbrüche wird signifikant reduziert. Die Breite des Spaltes oder Schnittes am Bohrlochrand (Eintauchbereich des Ankers) wird weiterhin nur durch die Ankerbreite bestimmt und nicht durch die Gestaltung des Stößels, daß eine nennenswerte Querschnittsverbreiterung des Stößels nur in demjenigen Bereich erfolgt, der in das Bohrloch - nicht aber in die Bohrungswandung - eintaucht. Die Borstenauszugskräfte verändern sich gegenüber herkömmlicher Bestopfung nicht, da der Bürstenkörper vom Halteelement bzw. Anker genauso mechanisch verformt wird wie vorher.The thickening and stabilization of the tappet in the bore area allows - regardless of the bore inclination or the rounding of the anchor wire - better guidance at the anchor wires. The number of ram breaks is significantly reduced. The width of the gap or cut at the edge of the hole (plunge area of the anchor) is further determined only by the anchor width and not by the design of the plunger, that a significant cross-sectional broadening of the plunger takes place only in that area, in the well - but not in the bore - dips. The bristle pull-out forces do not change compared to conventional plugging, since the brush body is mechanically deformed by the holding element or armature as before.
Würde man anstelle der Querschnittsvergrößerung der Stößel die Anker verbreitern, so würde man bei dessen Eintreiben in eine Bohrung deren Ränder bei höheren Einpreßkräften stärker beschädigen. Bei dickeren Ankerdrähten könnte man auch deutlich weniger Borsten bei gleicher Bohrlochgeometrie bestopfen, was letztendlich einen stärkeren Verschleiß der Bürste bei deren Benutzung mit sich ziehen würde. Bei Lochdurchmessern von beispielsweise 1,5 mm würde die Verwendung einer Ankerbreite von 0,25 mm statt 0,2 mm eine Borstenzahlreduzierung von immerhin 5,1 % mit sich ziehen. Diese Nachteile werden durch die Erfindung ebenfalls vermieden.If you widen the anchor instead of the cross-sectional enlargement of the plunger, so you would damage their rims at higher Einpreßkräften more when it drives into a hole. With thicker anchor wires, one could also pile much less bristles with the same hole geometry, which would ultimately involve a greater wear of the brush during their use. For hole diameters of, for example, 1.5 mm, the use of an anchor width of 0.25 mm instead of 0.2 mm would entail a number of bristles of at least 5.1%. These disadvantages are also avoided by the invention.
Um die Standfestigkeit des Stößels sowie den "Abrutscheffekt" des Ankers weiter zu verringern, sind die Merkmale des Patentanspruchs 2 vorgesehen. Selbstverständlich darf dabei die Verdickung der Seitenflächen nicht das Maß des Durchmessers einer Bohrung überschreiten, da sonst beim Eintreiben eines Halteelements die Verdickung des Stößels bereits in den Rand des Bohrloches sich eingraben und diese beschädigen würde. Die Verdickung an der Eintreibfläche des Stößels darf daher nur im Bereich des Bohrloches vorhanden sein. Eine Querschnittsvergrößerung an der Eintreibfläche des Stößels kann aber auch bereits gemäß den Merkmalen des Patentanspruchs 3 dadurch erfolgen, indem sie nur an einer Seitenfläche des Stößels ausgebildet wird.In order to further reduce the stability of the plunger and the "slip effect" of the armature, the features of
Besonders einfach läßt sich ein Stößel herstellen, wenn die an ihm angebrachte Querschnittserweiterung über eine Stufe erfolgt. Hierdurch wird der größtmögliche Anstieg einer Querschnittserweiterung hinter dem Bereich, der nicht mehr in das Material des Borstenkopfes eindringt, erreicht. Gemäß den Merkmalen der Ansprüche 5 bis 7 kann die Querschnittserweiterung in rechteckiger (Anspruch 6), in trapezförmiger (Anspruch 7) oder teilkreisförmiger Form erfolgen. Dabei ist es von Vorteil, wenn die an den Ecken ausgebildeten Radien möglichst groß sind, um Kerbspannungen am Stößel so gering wie möglich zu halten. Die Ecken können nachträglich aus dem gesinterten Hartmetallblech ausgefräst, ausgeschliffen oder sonstwie mechanisch herausgearbeitet werden. Es ist aber auch gemäß den Merkmalen des Patentanspruchs 8 möglich, als Stößel ein gewalztes Profilblech zu verwenden, das vergütet bzw. gehärtet wurde, um die erforderlichen Festigkeiten zu erhalten.A plunger can be produced particularly simply if the cross-sectional widening attached to it is effected via a step. This achieves the greatest possible increase in a cross-sectional widening beyond the region which no longer penetrates into the material of the bristle head. According to the features of
Das Eintreibende des Stößels ist keilförmig gestaltet. Hierdurch wird verhindert, daß der Kunststoffbereich stärker als üblich angeschnitten wird, was sonst zu einer Reduzierung der Borstenauszugskräfte und einer Erhöhung der abstehenden Borsten führen würde. Bei einem Stanzbereich von 1,1 mm für einen Lochdurchmesser von 1,5 mm und einer Mindestankertiefe von 0,85 mm bedeutet dies eine gewinkelte Spitze von minimal 75°. Bei einer Lochdurchmesser von 1,7 mm wird der Stanzbereich um 0,2 mm erhöht, wobei der Mindestwinkel von 75° (Anspruch 10) beibehalten wird.The driver of the ram is wedge-shaped. This prevents that the plastic area is cut more than usual, which would otherwise lead to a reduction of the bristle extraction forces and an increase in the protruding bristles. With a punching range of 1.1 mm for a hole diameter of 1.5 mm and a minimum anchor depth of 0.85 mm, this means an angled tip of at least 75 °. With a hole diameter of 1.7 mm, the punching area is increased by 0.2 mm, the minimum angle of 75 ° (claim 10) is maintained.
Der Überstand der Eintreibfläche gegenüber der vom Stößel beaufschlagten Fläche des Halteelements beträgt etwa 10 bis 40 %, vorzugsweise 25 %. Bei diesen Größenabmessungen wird bereits ein besonders stabiler Stößel geschaffen, der wesentlich längere Standzeiten als die üblichen Stößel haben, aufweisen.The supernatant of the driving surface with respect to the area acted upon by the plunger surface of the holding element is about 10 to 40%, preferably 25%. These dimensions are already a particularly stable Tappets created that have much longer life than the usual plunger have.
In einer bevorzugten Ausführungsform wird der Borstenkopf von einem Zahnbürstenkopf gebildet, der vorzugsweise aus Kunststoff gespritzt wird. Bei Zahnbürsten, bei denen besonders viele Bohrlöcher mit Borstenbüscheln verankert werden müssen, macht sich der Stößel nach der Erfindung besonders vorteilhaft bemerkbar, da wesentlich längere Standzeiten des Stößels erreicht werden. Der Bürstenkopf kann aber auch Teil einer Bürste, eines Besens, eines Pinsels oder eines ähnlichen, mit Borsten versehenen Werkzeugs sein .In a preferred embodiment, the bristle head is formed by a toothbrush head, which is preferably injection molded from plastic. In toothbrushes, in which a particularly large number of boreholes have to be anchored with tufts of bristles, the tappet according to the invention has a particularly advantageous effect, since substantially longer lifetimes of the tappet are achieved. The brush head may also be part of a brush, a broom, a brush or a similar bristled tool.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher erläutert. Es zeigen:
- Fig. 1
- eine Draufsicht auf die Eintreibfläche eines Stößels gemäß der Erfindung in vergrößertem Maßstab,
- Fig. 2
- eine Draufsicht auf eine gegenüber
Fig. 1 etwas abgewandelte Eintreibfläche eines Stößels in vergrößertem Maßstab, - Fig. 3
- eine Seitenansicht auf einen Stößel in Richtung X in vergrößertem Maßstab und
- Fig. 4
- eine Draufsicht auf eine weiterhin abgewandelte Eintreibfläche eines Stößels, ebenfalls in vergrößertem Maßstab.
- Fig. 1
- a plan view of the driving surface of a plunger according to the invention in an enlarged scale,
- Fig. 2
- a top view on one opposite
Fig. 1 slightly modified driving surface of a pestle on an enlarged scale, - Fig. 3
- a side view of a plunger in the direction X in an enlarged scale and
- Fig. 4
- a plan view of a further modified driving surface of a plunger, also on an enlarged scale.
Zunächst ist zu bemerken, daß die Vorrichtung zum Eintreiben eines Halteelements in ein Bohrloch eines Bürstenkopfes mittels eines Stößels sowohl aus der
Im folgenden wird daher nur auf die neue Ausbildung des Stößels 1 eingegangen, der in den
In den
In den
In
Gemäß
Der über die Länge b hinausgehende Flächenbereich, der, wie dies in den
Vergleicht man die schmale Stirnseite 8 gemäß
Nach den
In
Claims (9)
- Ram (1) for a plugging device for driving in a strip-like anchor into a brush head bristle hole accommodating a tuft of bristles, the ram (1) having at its end face a driving surface (2) provided for driving in the anchor, the cross section of the driving surface being defined by the longitudinal (3, 4, 5, 15) and face sides (6, 7, 8),
the longitudinal sides (3, 4, 5, 15) having at least a first longitudinal side (3) with a length a and a second longitudinal side (4, 5) with a length b, and the end faces (6, 7) having first end faces (6) and second end faces (7, 8)
characterized in that
the length b is smaller than the length a, and the second end faces (7, 8) are smaller than the first end faces (6), and
the driving surface (2) of the ram (1) has an overlap surface (16; 18, 20), a cross sectional area (24, 25) and end face end areas (17) for driving the anchor into the material of the brush head,
the overlap surface (16; 18, 20) being formed by the second longitudinal side (4) and the second end faces (7; 8),
the surface of the cross-sectional area (24, 25) being formed by the first longitudinal side (3), which is covered by the width b of the second longitudinal side (4; 5), and the first end faces (6) and
the end-face end areas (17) resulting from subtracting the overlap surfaces (16; 18, 20) and the cross-sectional area (24; 25) from the driving surface (2), the end-face end areas (17) bilaterally extending beyond the cross-sectional area (24; 25),
so that the cross-sectional area (24; 25) and the overlap area (16; 18, 20) of the driving surface (2) of the ram (1), which plunge into the bristle hole, are wider than end-face end areas (17) which penetrate into the borehole wall of the bristle hole. - The ram (1) as claimed in claim 1,
characterized in that
two third longitudinal sides (15) are provided parallel to the first longitudinal side (3), the length of the second third longitudinal sides (15) resulting from (b - a)/2. - The ram (1) as claimed in claim 1,
characterized in that
the overlap surface (16, 18, 20) is provided on both longitudinal sides (3, 4, 5) of the cross-sectional area (24, 25). - The ram (1) as claimed in claim 1,
characterized in that
the overlap surface (16, 18, 20) is realized only on one longitudinal side (3, 4, 5) of the cross-sectional area (24, 25) of the ram (1). - The ram (1) as claimed in claim 1,
characterized in that
the transition to the overlap surface (16) is formed by a step of the second end face (7) and that the width (d) of the first end face (6) of the end area (17) corresponds essentially to the width of an anchor. - The ram (1) as claimed in claim 1,
characterized in that
the overlap surface (16, 18) is formed by a projection or rib rectangular in shape. - The ram (1) as claimed in claim 1,
characterized in that
the overlap surface (16, 18) is formed by a projection or rib trapezoidal in shape. - The ram (1) as claimed in claim 1,
characterized in that
the overlap surface (16, 18) has an overlap compared to the width of the particular anchor being driven in of 10% to 40%, preferably 25%. - The ram (1) as claimed in claim 1,
characterized in that
the length b of the second longitudinal side (4, 5) is smaller than the hole diameter of a tuft of bristles and of a borehole accommodating a holding element.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10316963A DE10316963A1 (en) | 2003-04-12 | 2003-04-12 | Tappet for a tamping tool for driving a strip-shaped holding element into a borehole of a toothbrush head that receives bristle tufts |
PCT/EP2004/002958 WO2004089157A1 (en) | 2003-04-12 | 2004-03-20 | Ram for a plugging device for driving a strip-type retaining element into a bore of a toothbrush head that holds a tuft of bristles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1613190A1 EP1613190A1 (en) | 2006-01-11 |
EP1613190B1 true EP1613190B1 (en) | 2016-12-14 |
Family
ID=33103363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04722171.8A Expired - Lifetime EP1613190B1 (en) | 2003-04-12 | 2004-03-20 | Ram of a plugging device for driving a strip-type anchor into a bore of a brush head that holds a tuft of bristles |
Country Status (5)
Country | Link |
---|---|
US (1) | US8052222B2 (en) |
EP (1) | EP1613190B1 (en) |
CN (1) | CN100464669C (en) |
DE (1) | DE10316963A1 (en) |
WO (1) | WO2004089157A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103482357B (en) * | 2013-09-29 | 2015-10-21 | 张映平 | A kind of pinaculum of badminton send a mao device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE55365C (en) * | Mc. C. young in Frederick, Grafschaft Frederick, Staat Maryland, und J k. robinson in Chicago, Illinois, V. St. A | Method and machine for making brushes |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US746943A (en) * | 1903-04-16 | 1903-12-15 | Palmetto Fibre Company | Tuft-fastener guide for brush-machines. |
US801026A (en) * | 1903-09-05 | 1905-10-03 | William G Liebig | Brush-stapling machine. |
US2084345A (en) * | 1930-09-02 | 1937-06-22 | Toledo Automatic Brush Machine | Tuft setting anchor and apparatus for forming and applying the same |
FR894348A (en) * | 1942-03-24 | 1944-12-20 | Method for constructing furniture, barracks or the like using a single profiled part | |
CH677958A5 (en) * | 1987-04-28 | 1991-07-15 | Hans Diehl | |
CN2209477Y (en) * | 1994-12-17 | 1995-10-11 | 龙昌兄弟股份有限公司 | Automatic making machine for hair-brush |
DE19507186A1 (en) * | 1995-03-02 | 1996-09-05 | Zahoransky Anton Gmbh & Co | Brush prodn. machine with plugging tool for inserting bristle bundles in body holes |
DE19528762C1 (en) * | 1995-08-04 | 1996-12-05 | Richard Prof Dr Ing Zahoransky | Filling system for insertion of bristles into brush head |
BE1012911A3 (en) * | 1999-09-28 | 2001-05-08 | Boucherie Nv G B | Brush and method and device for the production of such a brush. |
-
2003
- 2003-04-12 DE DE10316963A patent/DE10316963A1/en not_active Withdrawn
-
2004
- 2004-03-20 CN CNB2004800098216A patent/CN100464669C/en not_active Expired - Lifetime
- 2004-03-20 EP EP04722171.8A patent/EP1613190B1/en not_active Expired - Lifetime
- 2004-03-20 US US10/552,979 patent/US8052222B2/en active Active
- 2004-03-20 WO PCT/EP2004/002958 patent/WO2004089157A1/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE55365C (en) * | Mc. C. young in Frederick, Grafschaft Frederick, Staat Maryland, und J k. robinson in Chicago, Illinois, V. St. A | Method and machine for making brushes |
Also Published As
Publication number | Publication date |
---|---|
DE10316963A1 (en) | 2004-11-04 |
US8052222B2 (en) | 2011-11-08 |
WO2004089157A1 (en) | 2004-10-21 |
EP1613190A1 (en) | 2006-01-11 |
US20060208557A1 (en) | 2006-09-21 |
CN1784158A (en) | 2006-06-07 |
CN100464669C (en) | 2009-03-04 |
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