CN102791164B - The method that head plate is combined with brush body - Google Patents

The method that head plate is combined with brush body Download PDF

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Publication number
CN102791164B
CN102791164B CN201080057715.0A CN201080057715A CN102791164B CN 102791164 B CN102791164 B CN 102791164B CN 201080057715 A CN201080057715 A CN 201080057715A CN 102791164 B CN102791164 B CN 102791164B
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CN
China
Prior art keywords
head plate
plate
brush holder
overmolded
handle
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.)
Active
Application number
CN201080057715.0A
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Chinese (zh)
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CN102791164A (en
Inventor
B·G·保捷利
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.)
GB Boucherie NV
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GB Boucherie NV
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Publication date
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Publication of CN102791164A publication Critical patent/CN102791164A/en
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Classifications

    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B3/00Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/02Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by pitch, resin, cement, or other adhesives
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B3/00Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/04Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B3/00Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/06Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B7/00Bristle carriers arranged in the brush body
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B7/00Bristle carriers arranged in the brush body
    • A46B7/04Bristle carriers arranged in the brush body interchangeably removable bristle carriers
    • A46B7/042Clip or snap connection for bristle carriers
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B9/00Arrangements of the bristles in the brush body
    • A46B9/06Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46DMANUFACTURE OF BRUSHES
    • A46D3/00Preparing, i.e. Manufacturing brush bodies
    • A46D3/005Preparing, i.e. Manufacturing brush bodies by moulding or casting a body around bristles or tufts of bristles
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46DMANUFACTURE OF BRUSHES
    • A46D3/00Preparing, i.e. Manufacturing brush bodies
    • A46D3/04Machines for inserting or fixing bristles in bodies
    • A46D3/045Machines for inserting or fixing bristles in bodies for fixing bristles by fusing or gluing to a body
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B15/00Other brushes; Brushes with additional arrangements
    • A46B15/0055Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors
    • A46B15/0081Brushes with a scraper, e.g. tongue scraper

Abstract

The method that the part that the present invention discloses a kind of head plate and brush holder or brush holder is combined, the method adopts machinery, friction, welding, glueds joint and any combination of any technology in molding technique or these technology.

Description

The method that head plate is combined with brush body
People have known the method for several making brush.Traditionally, brush body is provided with the hole corresponding with the bristle arrangements of desired formation and arranges.Then bristle bundle or brushing cluster are inserted the hole of brush body, and by compressing into little metal anchorage or being fixed therein by ring.
In the optional method making brush, a kind ofly be called as AFT method (without anchoring piece cluster method) in recent years by the method that people accept extensively, wherein brushing cluster is connected to little head plate not using in ring or anchoring piece situation, then this loading plate is installed into or is connected to main body or the brush holder of brush.In the variant of this AFT method, the brush holder of making has the pattern that the hole corresponding with the brushing cluster pattern expecting to be formed forms.Brushing cluster is inserted in this some holes, and be connected to brush holder.Then the link of these bunches is covered with platelet, this plate then be connected to brush handler.
In Fig. 1 to Figure 18 of accompanying drawing, show the different technologies be combined with brush holder or its part by head plate.
In existing machining, head plate being connected to handle has two kinds of major ways:
First method is the tank (as shown in Figure 1) by being placed by head plate into handle, and with ultrasonic wave by two weld parts together (as shown in Figure 3).This is a kind of quick method with being connected these two parts reliably.The shortcoming of this method is, leaves space (as shown in Figure 2) between before the tank in its rear portion at head plate and brush holder.This can fill this space and make up (as shown in Figure 5) by placing a certain amount of packing material in this tank.This packing material can be through the resin of a period of time solidification, or fills the expanding material in this space when solidifying.
The second method of current employing, be namely by head plate Overmolded go out handle.In this case, will band brushing cluster head plate place enter in die cavity, after this on this plate Overmolded go out handle, formed firmly connect.This method has certain disadvantages: Overmolded material pressure arrives the head plate surface that filament links together, and causes Overmolded material may from the risk of leaking between filament.Cold head plate deforms after the resin solidification of warm heat, cooling and contraction with the shaping parts that also can cause of hot resin-coating, and bending script is in the head plate of the state of cooling.
The present invention points to some alternatives that this carrier head plate is combined with brush body, and each in these methods all has specific advantage.
Substantially, head plate can be assembled in handle or its part or the method be assembled in this handle or its part as follows:
Friction welding.
---linearly weld, such as, by mode (see figure 3) that ultrasonic wave vibrates
---planetary orbit formula welding (planetarywelding) (see figure 4)
---high-frequency welding
Mechanical connection
---head board is entered (see figure 6) in handle
---head plate is slipped into the bottom grooving of brush, this plate can be locked in place after this.Locks in place by mechanical locating pin system or spot welding or can put modes such as gluing (Fig. 7).
---described plate is stacked and placed in toothbrush handle: compress (tank in head plate or hole) on the jut (column) of toothbrush handle.For making connection more firm, third element can be pressed in hollow projection, expand to make it and forming side recessed (see Fig. 8 A and Fig. 8 B).
---plate is stacked and placed in toothbrush handle: (crowd) projection on hold-down head plate or column are in the tank of toothbrush handle.For making connection more firm, third element can be pressed in hollow projection, expand to make it and forming side recessed (see Fig. 9 A and Fig. 9 B).
Welding:
---heat two parts and it mutually extruded, the material on two parts fuses (Figure 10) mutually.These parts or one of them part can be provided with specific texture (Figure 10 B), thus make the surface area of this part larger, and more plastics are plastified, to form strong connection and to fill up any space between two parts.Hot gas (such as air or inert gas are as nitrogen) can be passed through or pass through during heating to contact the hot-die head of one or two part or heat these parts by radiation (being such as during heating maintained at the hot body between two parts, by its heat radiation to the surface for plasticizing).
---heat in these two parts, and projection is compressed into the material of plasticizing, it solidifies again by the time, thus makes its locks in place (Figure 11) by the interference fit that the biting teeth in jut is formed.
---be placed on by metal parts between plate and handle, they can be linked together by induction welding after this, heat this centre part, and by two plastic part pressures thereon.Toothbrush handle self can certainly be all or part is metal (Figure 12).
---solvent welded: two parts can be coated with solvent, and this solvent can soften the surface that will be combined together.After solvent evaporation, head plate will be fixed to toothbrush handle.
--laser weld: the stock of head plate or the material of toothbrush handle must be all transparent or at least translucent, pass through to enable the light beam of lasing light emitter, thus making to only have the material at matching surface place to be heated, this matching surface is pressed on together until these materials solidify (Figure 13) again.
---high-frequency welding: when the material of head plate and/or toothbrush handle is ambipolar material, the material of one or two matching surface can be plastified by frequency electromagnetic waves.
Glued joint:
---by bonding agent is connected in a plate and toothbrush handle, and is evaporated by solvent and solidify.
---by bonding agent is connected in a plate and toothbrush handle, and solidify by being exposed to moisture or radiation or polymerization and triggering in chemicals or any illumination or its combination.
---the mode by " hot glue " or " PUR " (thermoplastic adhesive): can the hot glue (heated in advance) under fluid state is placed in a plate or toothbrush handle, or be placed on the two, after this by two assembling parts together simultaneously.
---the mode by " hot glue " or " PUR " (thermoplastic adhesive): can the hot glue of (cold conditions) is in the solid state placed in a plate or toothbrush handle, or be placed on the two simultaneously, after this in an assembling process by two heat parts, glue is made to melt in this step.The form of the glue added can be film, pelletizing or particle.
---by " heat-curable adhesive ": bonding agent in a liquid state can be placed in a plate or toothbrush handle, or be placed on the two simultaneously, after this heat two parts in an assembling process, trigger bonding in this step.
---by expanding or foam adhesive: bonding agent can be placed in a plate or toothbrush handle, or be placed on the two simultaneously, be clamped together by two parts after this and trigger bonding, the mode of carrying out this triggering is the impact (Figure 14) by heat or radiation or moisture or other form any.The advantage of this bonding agent is, it will fill up any space in head toothbrushes, avoid any gathering of pollutant and bacterium.
Assembling in mould:
---the head plate of band brushing cluster can be placed and enter in die cavity, after this on this plate Overmolded go out handle, formed and firmly connect (Figure 15).This is the method adopted at present, has certain disadvantages: Overmolded material pressure arrives the head plate surface that filament links together, and causes Overmolded material may from the risk of leaking between filament.Cold head plate deforms when the resin solidification of warm heat, cooling and contraction with the shaping part that also can cause of hot resin-coating.
---the head plate of band brushing cluster and pre-molded handle can be put into mould, in the region that two pre-manufactured parts must connect, after this be coated with a small amount of resin (Figure 16 A).Overmolded material must be combined with two pre-manufactured parts, to be linked together by these two parts.This Overmolded material can be common plastic resin, or compatible thermoplastic elastomer (TPE).Same Overmolded material can form additional element on brush, such as clean or whole white element (cleanly to refer to, clean thin plate ...).This Overmolded material can also be used on brush, form other specific structure, such as scraper, Spring toothpicks or tongue cleaner (Figure 16 B).Same Overmolded material can be used for being filled in the space between the tank in the rear side of a plate and pre-molded handle.
For these assemble methods any, the space between tank that one or more materials come in the rear side of filling head plate and pre-molded handle can also be added separately.Can by a certain amount of material, such as plastic resin is when it or plastifying state, to be placed on rear side of a plate and to make it spread out (Figure 17 A) at the rear side of head plate by push rod, or head plate can be put in the tank in handle molded in advance in number of assembling steps, when the plastic material of this interpolation is also in mecystasis, it is made to spread out (Figure 17 B) at the rear portion of head plate.
As the method in the space between the tank in the rear side of another kind of filling head plate and pre-molded handle, Material injection can be entered in this space after the assembly, effectively fill this space to avoid any foreign substance sedimentation or to accumulate in (Figure 17 C) herein.
---alternatively, can be Overmolded on head plate with plastics, its sole purpose on head plate, is fixed filament and the base portion of band brushing cluster and peripheral region are sealed, and avoids moisture, water and/or bacterial penetration to the base regions (Figure 18) of band brushing cluster.Then can be assembled on handle by this Overmolded head plate, the mode of assembling can be any aforesaid method: welding, glued joint, Overmolded, alignment pin or its any combination.
One will understand that, can be combined in above-mentioned a lot of technology.Such as, mechanical snap can be combined with welding or gluing step or Overmolded step.Content intention disclosed herein comprises these and combines.
In accompanying drawing 19, the mode that the head 10 of toothbrush and neck 5 are clipped with part illustrates.Head 10 is shells, and this shell has a diapire and defines tank from the perisporium of diapire erect.Diapire has and forms the through hole of pattern, and this pattern is corresponding with the pattern of the brushing cluster of expectation, and the brushing cluster 4 of hairbrush to be inserted in this some holes and to be connected in the diapire of tank inside.Then close tank with closure member, this closure member illustrated is the platelet 34 loading this tank and be connected to head 10.For being connected on the head 10 of brush holder by plate 34, above-mentioned any technology can be adopted.Alternatively, closure member is molded, such as, in the molding process of a similar above-mentioned arbitrary molding technique, suitable material is filled into tank.

Claims (1)

1. the method making a part for head plate and brush holder or brush holder combine, is characterized in that following steps:
A) head plate of the Part I with Overmolded district is provided;
B) brush holder of the Part II with Overmolded district is provided;
C) head plate and brush holder are placed in mould, and
D) head plate and brush holder are fixed together in by the Overmolded district that the first and second parts are formed by molding techniques, moulding material wherein used also forms additional function element or structure,
Wherein, the space between brush holder and head plate or tank are filled by described moulding material or other materials.
CN201080057715.0A 2009-12-17 2010-12-16 The method that head plate is combined with brush body Active CN102791164B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009058608.3 2009-12-17
DE102009058608.3A DE102009058608B4 (en) 2009-12-17 2009-12-17 Method of connecting brush head plates to brush bodies
PCT/EP2010/007709 WO2011072865A1 (en) 2009-12-17 2010-12-16 Methods of combining brush head plates with brush bodies

Publications (2)

Publication Number Publication Date
CN102791164A CN102791164A (en) 2012-11-21
CN102791164B true CN102791164B (en) 2015-12-16

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EP (1) EP2512286B1 (en)
CN (1) CN102791164B (en)
DE (1) DE102009058608B4 (en)
WO (1) WO2011072865A1 (en)

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CN102350668B (en) * 2011-10-19 2015-10-07 杭州祥生砂光机制造有限公司 A kind of flash trimmer special throwing CD and preparation method
IN2014DN10351A (en) * 2012-06-20 2015-08-07 Colgate Palmolive Co
DE102012021311A1 (en) * 2012-10-31 2014-04-30 Zahoransky Formenbau Gmbh Device for manufacturing brush bodies or sub-brush bodies, has one mold half or mold portion, which is movably guided in mold half, is formed for incorporating roof body opposite to bristle bundle-receiving area of another mold half
EP2873343B1 (en) * 2013-11-13 2024-01-24 The Gillette Company LLC Oral care implement and method for manufacturing the same
US11089862B2 (en) 2013-11-13 2021-08-17 The Gillette Company Llc Oral-care implement and method for manufacturing the same
USD766581S1 (en) 2013-12-19 2016-09-20 Colgate-Palmolive Company Electric toothbrush handle
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CN107136740A (en) * 2017-06-29 2017-09-08 安徽机电职业技术学院 A kind of daily life double-headed toothbrush
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Also Published As

Publication number Publication date
WO2011072865A1 (en) 2011-06-23
DE102009058608A1 (en) 2011-06-22
EP2512286A1 (en) 2012-10-24
EP2512286B1 (en) 2018-11-28
DE102009058608B4 (en) 2023-02-02
CN102791164A (en) 2012-11-21

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