EP0968672A2 - Procédé de production pour brosses à dents à double tête - Google Patents

Procédé de production pour brosses à dents à double tête Download PDF

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Publication number
EP0968672A2
EP0968672A2 EP99110715A EP99110715A EP0968672A2 EP 0968672 A2 EP0968672 A2 EP 0968672A2 EP 99110715 A EP99110715 A EP 99110715A EP 99110715 A EP99110715 A EP 99110715A EP 0968672 A2 EP0968672 A2 EP 0968672A2
Authority
EP
European Patent Office
Prior art keywords
bristle
base part
head
double
bearing heads
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.)
Withdrawn
Application number
EP99110715A
Other languages
German (de)
English (en)
Other versions
EP0968672A3 (fr
Inventor
K.H. Ing. Nörthemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0968672A2 publication Critical patent/EP0968672A2/fr
Publication of EP0968672A3 publication Critical patent/EP0968672A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/0004—Additional brush head
    • A46B5/0012—Brushes with two or more heads on the same end of a handle for simultaneous use, e.g. cooperating with each-other
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A46B9/045—Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously

Definitions

  • the invention relates to a type of dental hygiene brush with two bristle-carrying Heads, as is known from patent specification P41 159 43.8, to produce them.
  • the new technical possibility also concerns mechanically moving double-head brushes for electromechanical drive devices etc.
  • the double-head brush for gum massage and tooth cleaning enables one Appropriate massaging both sides of the gums and cleaning the teeth on the inside and Outside.
  • the bristle ends are effective Exercise two sides of the gum tissue by contact, which gums and teeth treated equally.
  • the inner and outer tooth surfaces are also cleaned all around at the same time and guides thus for an even tooth cleaning from both sides.
  • the 2 bristle-bearing Legs of the double-head brush guide and adapt themselves to the rows of teeth, so that an uncomplicated cleaning in the entire dental room is possible and guaranteed.
  • Double-head brushes are made from one piece, but there is no possibility of that To assemble bristle heads individually on a handle.
  • P 41 159 43.8 a hand brush as input and a brush head for one adjustable oscillator drive according to Patent No. P 44 023 66.9, consisting of a shaft with shape in continuation of a stem or connecting part, with a push fit the output pin of a drive.
  • a bristle-bearing head that is in at the front end divides two parts, into an elastic branching, into two bristle-bearing legs passes over, the bristles of which are cut, rounded and smoothed in parallel with the thighs.
  • These brush bodies are made by healing air and ultrasound or chemical means on two Folded axles softened to simultaneously fold both legs in a U-shape allow so that the bristle fields are mirror images of each other, so that it to the horizontal axis of the handle in an inclined position with an application gap, is formed between the bristle fields.
  • the object of the proposed invention is to be equipped with Bristle bundles attached to a bristle-bearing stem with a branch attached to one Handle and after all processing of the bristles, using a A softening process in the area of branching can be folded, a second way to show to further cover the spectrum of these double-head brushes.
  • a so-called base part which as a complete molded molded part, two bristle-bearing Stems or legs united.
  • the resilient legs, the bristles at the front end wear, provided with a stop in the stem area to the U-position of the double head to establish a coincidence of the application angle between the bristles is avoided.
  • the variant "B" which is a plug-in assembly with a right and left part, should preferably be assembled by hand.
  • Fig. 1 The complete handle part, consisting of the handle, the handle 2 that divides, into the two parts 3, with branches the right and left arches 4, to the two arches 5, with a simultaneous inclination 12 with the design angle 65 shows.
  • the application angle 20 of the completed brush with the position of the bristle-bearing Heads 8 is fixed and fastened in such a way that they are in a fixed or releasable connection the base part 1 are connected in this way.
  • connection of the base parts 1 to the heads 8 is as follows, especially in the claims, commonly referred to as "andogens".
  • the design features of the basic parts with the means for assembly can be any continued, but basic design features are required predominantly flow together in the handle part, the base part, as described in the first paragraph is.
  • the basic assembly aids are also for mechanical assembly (see sheet 5) with the mounting directions, for joining the bristle-bearing heads 8 with the base part 1, assigned to this description.
  • a transfer machine principle see sheet 5 or a single machine principle determine the required assembly details, for the achievable benefit of a profitability calculation, in the best quality, with greater output, or a narrow, small one Production.
  • the means of production in the inflow and outflow of the production parts is from the Control and the mechanical effort determined.
  • Fully automatic transfer lines, or Semi-automatic devices on assembly tables and by hand are possible here.
  • the double-head brush in three views Fig.1,2 and 3, before and after assembly.
  • the Base part 1 with the details that are in the shape of the variants B, C, and D repeated.
  • All three views of variant "A” on sheet 1 show the andogging of the bristle-bearing heads 8, on the surfaces 62 and 66 with the comprehensive mounting directions 270 around the center 7 of a bristle bundle.
  • mounting directions in all 3 spatial axes are specified here items 40, 50, 60, 70, 80, 90, 100 and 110.
  • the Figure 3, on sheet 1, shows the base part 1 in a front view with the two arches 14, and Arc distance 9, each with a half angle 19, which after andogging the Bristle-bearing heads 8, on the surfaces 62 and 66 with the chosen fasteners the design of the complete double-head brush with the application angle 20 that two times half the angle 19, sets.
  • FIG. 4 shows cross-section a-a with the shape of an ellipse 67, with a slot 68 the middle 11, to two parts 3 of the stem 2, with the adaptation to an ellipse, through Roundings.
  • the molding and demolding is shown in principle according to Fig.5, sheet 1.
  • connection between the base part 1 and the bristle-bearing heads 8 is shown on sheet 2 in Fig.6 and Fig.7, the clipping of a tongue 41 in a groove with the details of a spring tongue 43 on shoulder with bevel 42 and the pointed pin 41st from the mounting direction 110, and attached to the pads 62 and 66. Because of the Offset 112 requires a right and left part.
  • the bristle-bearing head 8 is for Symmetry of the connection broadside 44 to the angle beam 65 according to the representation of Bristle-bearing head 8 not on the bristle bundle 10, but the center 7 and moved to item 112.
  • FIG. 10 shows the non-rotatable pin 46 in section d-d in the middle of the Connection part 66, the base part 1 as shown in Figure 9 in section C-C.
  • a wart 47 secures depending on the fit of the pin 46 with the curves 48, against breakage.
  • 11 and 12 show the base part 1 in symmetry 44, with the connection 62 and 66, however by offset 112, a right and left part of the bristle-bearing heads 8 is required.
  • a tongue 16 in a circular shape with an undercut, which in a counterpart Opening mouth, from assembly direction 80 snaps in until the sloping shoulder 42 is present.
  • the representation of the b-head 8 is asymmetrical 112 and strikes the angular rays 65 and 12 at the center 7 not.
  • the b-head 8 is to be adjusted symmetrically in order to be a mirror image mountable heads.
  • the variant A shown, the connection to the base part 1 with the pads 62 and 66 can also be rotated through 180 ° and Use, the mounting direction 110 is retained.
  • the section e-e according to Fig. 12 also shows the sloping shoulder that lies against the base part 1 with the undercuts.
  • the arrow indicates the mounting direction 80.
  • the base part 1 in continuation of a design, from the connection surface 62 and 66 in shape a frame for inserting the bristle-bearing heads 8; in square shape 141 with Rounding, and Fig.13 in oval shape 140, and Fig.16 in round shape 120.
  • Die Bristle-bearing heads 8 have a flat head with shoulder 275 with the Bristle-bearing part of the body located at the lower end, see point "a" with a slant in the Basic groove 274 with a peripheral edge 276, to the measure of bristle-bearing body part and ends with a finishing vase.
  • Base section 1 shows in section f-f according to FIG. 14 the frame cross section with the angle 272 and the peripheral edge 276, enlarged at point "a" of the joined bristle-bearing Heads 8 sets, secures and seals.
  • This is the case with round, square and oval shapes Case. 17 shows the bristle-bearing head 8 with a fine and narrow bristle, around the central bristles 7, the middle 7, the b-heads 8, and where the angular rays 65 and cut 12.
  • the base part 1 is extended from the andogg surface 62 and the broad side 66 in symmetry 44 to intersection 7.
  • the extension is designed for insertion in Dovetail shape.
  • the Fig.22 shows in three views the bristle head carrier 275, from 62 and 66, extended on Base part 1.
  • the mounting direction 70 shows the insertion of the bristle-bearing head 8 with the bevels 18 which fit into the circumferential dovetail 19 be inserted to secure this with the locking lug 47.
  • the bristle-bearing head 8 coincides with the same center 7 as the base part 1 with the angles 65 and 12.
  • the hexagonal representation of the bristle-bearing head 8, can also be round 120 or oval 121 and with the Stop shoulder 113 may be provided, as shown in FIGS. 25 and 26.
  • Fig. 27 shows the joining and Assembly in symmetry 44, from the top view and in section g-g with h-h, recognizing that the bristle-bearing heads 8 can be used in mirror image on a base part 1 to one Double head brush are to be attached.
  • the tolerance of fit in the circumferential dovetail 19 determines the Seat for a fixed or detachable connection in the sense of completing one Double head brush.
  • the base parts 1 are on a mounting bracket 188, with a reversible one Recording 187 according to Fig.29 firmly recorded, and with the clamping element 193 according to Hang up by hand or by hand, automatically fixed in position and secured.
  • the mounting bracket 188 with a corresponding number on a transfer system 194 in Assembly time cycle, circulating gradually, promote the fixed base part 1 to the actual Assembly station as shown in FIG. 28 in cross-section against the conveying direction 195.
  • Fig. 30 partial top view.
  • the magazines 180 the feed of the bristle-bearing heads 8 with the brake 181 Cylinder 182.
  • the stroke paths 196 and 197 are determined by the choice of fastening details. Likewise the Tolerance of fit, light, firm or difficult to determine.
  • a glue or ultrasonic welding of the base parts 1 with the bristle-bearing heads 8 requires additional equipment in front of or behind the assembly station. Glue in front of the Assembly, by applying adhesives. Welding, behind the assembly one Welding station.
  • the Bristle-bearing heads 8 moved and thrust. With a simultaneous sorting and The bristle-bearing heads 8 are aligned with the magazines 180 on the left and fed right. A switch regulates the right and left inlet.
  • the bristle-bearing heads 8 are ready until before Slider 183 for separating in front of the slider 184, and it previously locks the brake with the Block part 181 the magazine 180 so that no further bristle-bearing heads 8 fall off can.
  • the pressing and joining slide 184, with the stroke 197, from the cylinder 186, carries out the joining and pressing process of the bristle-bearing heads 8 with the base part 1 right away. Thereafter, the sliders 184 and 196 are retracted and the brake 181 ventilates to drop the bristle-bearing heads.
  • a handle 260 takes a right and a left bristle-carrying part 131 right and 130 left in the handle 260 to Plug in. From the mounting direction 90, in the middle of the handle 260. Preferably for Manual assembly.
  • the bristle-bearing parts are from Insert cone 22 with the stems 3, with the bow 4 and 5 shaped so that it is on the left and on the right side to a parallel offset from the center 11 at left and right comes.
  • Fig. 33 shows one Fine bristles around the center 7, at the intersection of the angular rays 12 and 65.
  • Coarse or fine bristle is a pre-determination for a brush.
  • Fig. 36 side view of the double-head brush with the angular rays 12 and 65, which are in the Center 7 meet the central bristle bundle as item 10.
  • Fig. 37 the front view of the double brush head, assembled with the full Distance 9 the two arches 14 and the application angle 20, from the half angles 206, a right and left, pluggable part.
  • the right and left pluggable, bristle-carrying part like the base part 1 in one Injection mold can be injected with a finished outfit, or in relation to the contact surfaces 13 to be formed at half angle 203 with the right and left bends 14. This by softening with infrared radiation, to be carried out specifically on the bending surfaces and stenciling.
  • the handle 260 should be in the handle area 2 from Handle front part according to section i-i have the cross-sectional shape of an ellipse 67 as that 38 shows with the surfaces 13 lying against one another.
  • a handle 260 with a right 141 and a left bristle-carrying part from which Installation direction 90, without the design angle 65.
  • Fig. 45 shows in cross section.
  • the Fig. 46 shows the cross-sectional shape of the connection 177 with the fuse 47.
  • Fig. 42 the side view of the double-head brush without the design angle 65 and inclined in parallel with the angle 12 to the center 7.
  • the side view of the double-head brush without the design angle 65 and inclined in parallel with the angle 12 to the center 7.
  • a long Bow 6, or with a short bow 6. In the form of a long Bow 6, or with a short bow 6.
  • Fig.47 the partial view with plug 174 and the fuse 175.
  • the handle and Stem area is in the shape of a cross section due to its good elastic behavior Ellipse 67 designed.
  • a base part 1 with all the design details, such as variants A, B and C, for the content has, and is equally without the design angle 65.
  • Fig. 60 shows the double head brush from the top view, with one up closed application gap 20, which forms a line edge as variant "C" in mirror-image juxtaposition of the two bristle fields. Between the two Web 3 on the middle 11 is a stop 29, as this also from the Side view according to Fig. 61 can be seen.
  • the point “X” shows the andogg connection enlarged in section n-n in cross section and from this the point “Y” is enlarged.
  • a connecting element 291 in the form of a tongue Similar to item 16 of sheet 3 in cross-section, with a width in a cylindrical shape snaps on the opposite side of an indentation in the base part 1 around the application gap 20 to form when the mirror image, opposite, bristle-bearing part, the head 8 is already installed and the line edge 203 a closed angle of Has formed application gap 20 and is held by the stop 29.
  • FIG. 65 there is an elastic element in the stop area 29 or the slot 173 molded. It shows a stretching of this vulcanized web with the arrows of the Change when pressure is applied between the two bristle fields.
  • the elastic web 294 is within an injection mold, as the second material from the second Direction vulcanizable with rubber, for example, after different Shor hardness Injection.
  • the elastic web 294 brings about the applied pressure from the prestressing of the stems 3 Another push by pulling on, and can be a harder gum and gum care support when the bristle bundles 10 jump from tooth to tooth.
  • FIGS. 63 and 64 A further andogging possibility is shown in FIGS. 63 and 64 in the form of a prism 292 Web of the bristle-bearing head 8 and one in the base part 1 from the mounting direction 70 to create a firm connection with the fuse 47.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Brushes (AREA)
EP99110715A 1998-06-03 1999-06-04 Procédé de production pour brosses à dents à double tête Withdrawn EP0968672A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1998124325 DE19824325A1 (de) 1998-06-03 1998-06-03 Herstellungsverfahren für Doppelkopfbürsten die zur Zahnfleischmassage mit gleichzeitiger Zahnreinigung bestimmt sind
DE19824325 1998-06-03

Publications (2)

Publication Number Publication Date
EP0968672A2 true EP0968672A2 (fr) 2000-01-05
EP0968672A3 EP0968672A3 (fr) 2000-02-02

Family

ID=7869466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99110715A Withdrawn EP0968672A3 (fr) 1998-06-03 1999-06-04 Procédé de production pour brosses à dents à double tête

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EP (1) EP0968672A3 (fr)
DE (1) DE19824325A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001033994A1 (fr) * 1999-11-12 2001-05-17 Rolf Barman Procede et systemes pour la production d'une brosse a dents, cette brosse a dents et utilisation de cette brosse a dents

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115943A1 (de) 1991-05-16 1991-11-28 Noerthemann Karl Heinz Zahnfleischmassagebuerste
DE4402366A1 (de) 1994-01-27 1994-06-30 Noerthemann Karl Heinz Zahnbürsten. Deren Handgriffe und Stiele mit den borstentragenden Köpfen rundum abzufedern, die Borsten zum Vibrieren zu bringen und die Borsten an den Bürstköpfen zu befestigen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8500689D0 (en) * 1985-01-11 1985-02-13 Beiny D Double-headed toothbrush
GB2192784B (en) * 1986-07-14 1990-05-30 Mak Chai Leung A twin-headed toothbrush
DE3703288A1 (de) * 1987-02-04 1988-08-18 Noerthemann Karl Heinz Zusatzeinrichtung fuer zahnbuersten mit zwei putzkoepfen
US5177826A (en) * 1990-03-16 1993-01-12 Hagemann International Rotary toothbrush

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115943A1 (de) 1991-05-16 1991-11-28 Noerthemann Karl Heinz Zahnfleischmassagebuerste
DE4402366A1 (de) 1994-01-27 1994-06-30 Noerthemann Karl Heinz Zahnbürsten. Deren Handgriffe und Stiele mit den borstentragenden Köpfen rundum abzufedern, die Borsten zum Vibrieren zu bringen und die Borsten an den Bürstköpfen zu befestigen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001033994A1 (fr) * 1999-11-12 2001-05-17 Rolf Barman Procede et systemes pour la production d'une brosse a dents, cette brosse a dents et utilisation de cette brosse a dents
US7175238B1 (en) 1999-11-12 2007-02-13 Rolf Barman Process and arrangements for producing a toothbrush, the toothbrush, and also the use of the toothbrush

Also Published As

Publication number Publication date
DE19824325A1 (de) 1999-12-23
EP0968672A3 (fr) 2000-02-02

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