WO2017197707A1 - 牙刷及其制备方法 - Google Patents
牙刷及其制备方法 Download PDFInfo
- Publication number
- WO2017197707A1 WO2017197707A1 PCT/CN2016/086977 CN2016086977W WO2017197707A1 WO 2017197707 A1 WO2017197707 A1 WO 2017197707A1 CN 2016086977 W CN2016086977 W CN 2016086977W WO 2017197707 A1 WO2017197707 A1 WO 2017197707A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bristles
- brush head
- bottom plate
- toothbrush
- slab
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B7/00—Bristle carriers arranged in the brush body
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
- A46B3/06—Brushes 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
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
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- 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
- A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
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- 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
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0276—Bristles having pointed ends
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
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- 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
- A46D3/045—Machines for inserting or fixing bristles in bodies for fixing bristles by fusing or gluing to a body
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1066—Toothbrush for cleaning the teeth or dentures
Definitions
- the invention belongs to the field of oral care products, and in particular relates to a toothbrush and a preparation method thereof.
- a toothbrush is an oral care product that is often used by people, as shown in Fig. 1, generally comprising a handle and a brush head 3 from which a bristles generally formed as a plurality of tufts 4 are formed, the brush head comprising an elastic material
- the support has a plurality of fixing holes, and each bristle tuft 4 is fixed in the fixing hole of the brush head through the metal piece of the support, which may cause heavy metal pollution to some extent.
- each of the apertures is large, the bristle tufts 4 embedded therein are large, and it is easy to cause damage to the user's mouth when brushing, and at the same time, the gap is large due to the gap between each tuft group, thereby fixing
- the size of the toothbrush head has a small amount of bristle or bristle area, and the area of the brush head cannot be effectively utilized.
- the existing bristles have a large diameter and are liable to damage the gums of the user. Such toothbrushes cause inconvenience to children, pregnant women, the elderly, and patients with gums suffering from friction and bleeding.
- the existing toothbrush manufacturing process is complicated and costly.
- the present invention provides a toothbrush and a method of preparing the same.
- a toothbrush includes a handle and a cleaning member, the handle includes a hand portion and a brush head, the hand portion is coupled to the brush head, the cleaning member is fixedly coupled to the brush head, and the cleaning member includes a plurality of The root bristles and the hair board are integrally melted by the bottoms of the plurality of bristles, and the hair board is fixedly connected with the brush head.
- the beneficial effect is that: since a plurality of bristles are closely arranged and the bottom of the bristles is melted into a slab, that is, the bottom of the bristles is melted into a flat surface, and the unmelted portion is erected on the slab, the overall adhesion of the bristles is enhanced even if the bristles are bristled.
- the smaller diameter is not easy to remove hair, and the number of bristles on the same size of the brush head is increased, thereby increasing the direct cleaning area of the bristles and teeth, which is conducive to the cleaning of the teeth.
- the toothbrush is simple in preparation process and low in cost.
- the brush head includes a bottom plate and a convex portion fixed on the periphery of the bottom plate, and the bottom plate and the convex portion form an accommodating space, and the bottom of the slab is placed in the accommodating space and fixedly connected with the bottom plate, the bottom plate and the convex portion.
- the starting part is integrally formed.
- the utility model has the beneficial effects that the bottom plate and the convex portion form an accommodating space for placing the cleaning component, which is more convenient for placing and fixing the entire cleaning component.
- the brush head includes a bottom plate and a raised portion.
- the middle of the raised portion is provided with a card slot.
- the peripheral edge of the blade can be engaged with the card slot, and the bottom of the blade is fixedly connected to the bottom plate.
- the thickness of the lamella is 0.1-2.0 mm, and the height of the accommodating space is equal to the thickness of the slab.
- the beneficial effect is that since the hair plate is melted and bonded by the bottom of the bristles, the thickness of the hair plate makes the bristles have strong bonding force, and the phenomenon of broken wire is not easy to occur. If the thickness exceeds this thickness, the broken plate is broken. The wire phenomenon is more frequent, and the height of the accommodating space is equal to the thickness of the slab, which can facilitate the placement of the cleaning component. If the height of the accommodating space is larger than the thickness of the slab, the accommodating space will have a certain space, thereby facilitating the accumulation. Water increases the amount of bacterial growth. If the height of the accommodation space is less than the thickness of the board, the board will protrude outside the space and affect the appearance.
- the bristles have a diameter of 0.05-0.25 mm.
- the utility model has the beneficial effects that the diameter of the bristles is 0.05-0.25 mm, which is softer than the existing bristle diameter, and can provide comfort to the user while being able to clean the teeth, and is more beneficial to children, pregnant women and gums.
- a method of preparing a toothbrush comprising the steps of:
- a handle is prepared, the handle includes a hand portion and a brush head, and the hand portion is coupled to the brush head, and the bottom of the blade is fixed to the brush head.
- the beneficial effect is that since a plurality of bristles are closely arranged and the whole bottom is melted into a slab, and the unmelted portion stands on the slab, the overall adhesion of the bristles is enhanced, and even if the bristles are small in diameter, the hair is not easily removed.
- the number of bristles on the same size of the brush head increases, thereby increasing the direct cleaning area of the bristles and teeth, which is conducive to the cleaning of the teeth.
- the diameter of the bristles is 0.05-0.25mm, which is softer than the existing bristle diameter. It can provide comfort to the user while cleaning the teeth, and is more conducive to the bleeding of children, pregnant women and gums. The use of patients with oral diseases.
- the thickness of the bristles is from 0.1 to 2.0 mm.
- the beneficial effect is that since the hair board is melted and bonded by the bottom of the bristles, when the thickness of the hair board is 0.1-2.0 mm, the bristles have the strongest binding force, and the phenomenon of broken yarn is not easy to occur. a thickness is more frequent
- the bristles are placed vertically in a metal mold to a temperature of 400 °C.
- the beneficial effect is that since the hair board is melt-bonded from the bottom of the bristles, when the heating temperature is 400 ° C The bristles have the strongest adhesion and are not prone to broken filaments. If the temperature is lower or higher, the broken filaments are more frequent.
- the brush head includes a bottom plate and a protrusion fixed to the periphery of the bottom plate, the bottom plate and the convex portion form an accommodating space, and the cleaning component is placed in the accommodating space.
- the bottom of the wool board is bonded to the bottom plate by an adhesive or fixed to the bottom plate by ultrasonic welding.
- the brush head includes a bottom plate and a raised portion, a card slot is disposed in the middle of the raised portion, and a peripheral edge of the top plate is embedded in the card slot, and the hair plate is The bottom is injection bonded to the bottom plate.
- the toothbrush prepared by the invention has a large number of hair roots and good softness of the bristles, and the hair slabs and the bristles are integrally implanted into the brush head by melting and bonding the bottom of the bristles, and the whole process does not require metal sheets, thereby reducing the occurrence of metal pollution, and at the same time
- the toothbrush has better cleanliness under the premise of effectively preventing bleeding of the gums and injury of the gums.
- FIG. 1 is a schematic side view showing the structure of a toothbrush according to an embodiment of the prior art
- FIG. 2 is a schematic side view showing the structure of a toothbrush according to an embodiment of the present invention.
- FIG. 3 is a schematic side view showing the structure of a toothbrush according to an embodiment of the present invention.
- FIG. 4 is a schematic side view showing the structure of a toothbrush according to an embodiment of the present invention.
- Figure 5 is a side view showing the structure of a toothbrush according to an embodiment of the present invention.
- Figure 6 is a side view showing the structure of a toothbrush according to an embodiment of the present invention.
- Figure 7 is a schematic structural view of a cleaning member of a toothbrush according to an embodiment of the present invention.
- FIG. 8 is a schematic structural view of a brush head of a toothbrush according to an embodiment of the present invention.
- Figure 9 is a side view showing the structure of a toothbrush according to an embodiment of the present invention.
- Fig. 10 is a side view showing the structure of a toothbrush according to an embodiment of the present invention.
- a toothbrush comprising a handle 2 and a cleaning member 1 comprising a hand portion 202 and a brush head 201, the hand portion 202 being coupled to the brush head 201, as shown in Figure 2
- the cleaning member 1 is fixedly coupled to the brush head 201.
- the cleaning member 1 includes a plurality of bristles 101 and a bristles 102.
- the bristles 102 are integrally melted from the bottom of the plurality of bristles 101.
- the bottom of the bristles 102 and the brush head 201 are formed.
- the top is fixedly connected, and the fixed connection can be directly into the mold by injection bonding or adhesive bonding or ultrasonic welding.
- the material of the bristles 101 may be nylon yarn, which has high hardness and good durability.
- the bristles 101 have a diameter of 0.05 to 0.25 mm. Due to the closeness of multiple bristles 101 Arranged and the bottom of the whole is melted into the slab 102, and the unmelted portion stands on the slab 102, the overall adhesion of the bristles 101 is enhanced, and the pulling force of the bristles 101 is higher than that of the existing toothbrush bristles stuck with metal clips. The pulling force is larger, and the bristles 101 are thermally welded to each other to form the bristles 102, so that the detachment of the bristles 101 can be prevented more reliably, that is, the bristles 101 have a small diameter and are not easily depilated.
- the number of the bristles 101 is increased on the brush head 201 having the same size.
- there are generally 50 filaments in the inside of one brush hole of the existing toothbrush head and 30 brush holes are taken as an example, and the number of bristles of one toothbrush is taken as an example.
- the number of bristles 101 on the brush head of the same size as the present invention is 50,000, which greatly increases the area of effective brushing, that is, the density of the bristles 101 on the brush head 201 is increased, thereby increasing the direct cleaning of the bristles 101 and the teeth.
- the area is good for the cleaning of the teeth.
- the diameter of the bristles 101 is 0.05-0.25 mm, which is softer than the diameter of the existing bristles 101, and can be performed in a narrow portion such as a tooth neck or an interdental portion, and the brushing performance in a flat portion of the tooth is good. It removes the tartar of the whole tooth and has good cleanability.
- the toothbrush made of the bristles 101 having a diameter of 0.07 mm has the greatest degree of cleaning of the teeth, that is, the plaque removal rate is the highest.
- the brush head 201 includes a bottom plate 2011 and a boss portion 2012 fixed on the periphery of the bottom plate 2011.
- the bottom plate 2011 and the boss portion 2012 form an accommodating space 2013, and the bottom of the brush plate 102 is placed in the accommodating space 2013.
- fixedly connected with the bottom plate 2011, the bottom plate 2011 and the boss portion 2012 can also be integrally formed.
- the bottom plate 2011 and the boss portion 2012 form an accommodation space 2013 in which the cleaning member 1 is placed, which makes it easier to place and fix the entire cleaning member 1.
- the thickness of the slab 102 is 0.1-2.0 mm, and the height of the accommodating space 2013 is equal to the thickness of the slab 102. Since the bristles 102 are fused by the bottom of the bristles 101, when the thickness of the bristles 102 is 0.1-2.0 mm, the bonding force of the bristles 101 is strong, and the phenomenon of broken wires is not easy to occur, and the accommodating space 2013 If the height of the accommodating space 2013 is greater than the thickness of the slab 102, the accommodating space 2013 will leave a certain space, thereby easily remaining foreign matter and product. The water increases the amount of bacterial growth. If the height of the accommodating space 2013 is less than the thickness of the slab 102, the slab 102 will protrude outside the accommodating space 2013, affecting the appearance.
- a card groove 2014 may be provided in the middle of the boss portion 2012, and the peripheral edge of the blade 102 can be fitted into the card slot 2014.
- the bottom of the frosted plate 102 is fixedly connected to the bottom plate 2011.
- a card slot 2014 is disposed in the middle of the boss portion 2012.
- the bristles 101 as a whole can form an arc.
- the tip end of the bristles 101 may be tapered.
- the entire side surface of the bristles 101 can be formed into a V-shaped structure.
- the hair plate 102 and the brush head 201 can also be fixed by the reinforcing post 203.
- the toothbrush of the present invention has an integral structure of the bristles 101 of the cleaning member 1 and the bristles 102, and the thickness of the bristles 102 is small, whereby the overall thickness of the cleaning member 1 is small, and when combined with the brush head 201, the brush The thickness of the head 201 need not be too thick, so that the toothbrush has good operability in the oral cavity, and the ability of the bristles 102 to reach a dangerous part of the dental patient and the ability to remove tartar from the part can be improved.
- the bristles 102 have a small diameter and are more likely to enter a narrow portion between the teeth, the teeth, and the gums. Therefore, compared with the existing toothbrush, the bristles can be improved in removing tartar and the like, and have excellent cleaning performance and comfort. it is good.
- the method for preparing a toothbrush comprises the following steps:
- a plurality of bristles 101 having a diameter of 0.05-0.25 mm are vertically placed in a metal mold and heated to 230-500 ° C, and the bottom of the bristles 101 is integrally melted into a slab 102 in the metal mold, and the thickness of the slab 102 is 0.1-2.0mm, at this time, the bristles 101 and the bristles 102 integrally form the cleaning member 1. Since the bristles 102 are fused by the bottom of the bristles 101, the bonding force of the bristles 101 is higher when the heating temperature is 400 °C. Strong, at the same time, it is not easy to break the wire. If it is lower or higher than this temperature, the phenomenon of broken wire or wire is more obvious.
- the handle 2 is prepared.
- the handle 2 includes a hand portion 202 and a brush head 201.
- the hand portion 202 is coupled to the brush head 201.
- the bottom of the blade 102 is fixed to the brush head 201.
- the brush head 201 includes a bottom plate 201. 2011 and a boss portion 2012 fixed on the periphery of the bottom plate 2011, the bottom plate 2011 is integrally injection molded with the boss portion 2012 and forms an accommodation space 2013, and the cleaning member 1 is placed in the accommodation space 2013, and the hair plate 102 is placed.
- the bottom is bonded to the bottom plate 2011 by direct injection bonding or adhesive bonding into a mold or ultrasonically welded to the bottom plate 2011.
- the brush head 201 includes a bottom plate 2011 and a raised portion 2012, and a card groove 2014 is disposed in the middle of the raised portion 2012, and the peripheral edge of the frosted plate 102 is embedded in the card slot 2014.
- the bottom of the frosted plate 102 is injection molded and bonded to the bottom plate 2011.
- the overall adhesion of the bristles 101 is enhanced even if the bristles 101 are straight.
- the smaller diameter is not easy to depilate, and the number of bristles 101 on the same size of the brush head is increased, thereby increasing the direct cleaning area of the bristles 101 and the teeth, which is beneficial to the cleaning of the teeth.
- the diameter of the bristles 101 is 0.05-0.25 mm, which is softer than the diameter of the existing bristles 101. It can provide comfort to the user while being able to clean the teeth, and is more conducive to friction of children, pregnant women and gums. Use of patients with bleeding disorders.
- the bristles are melted into a wool board in a metal mold and heated at a bottom to 400 ° C.
- the thickness of the wool board is the same, the length of each bristles protruding on the board is equal, and the diameter of the bristles is as shown in Table 1.
- Test method Fix the brush head of the toothbrush, apply the pulling force to the same equipment, and record the force of the bristles when they are pulled or pulled off.
- Test method 10 subjects were brushed with the same method for 3 minutes with various toothbrushes, and the amount of spot adhesion before and after brushing of the full-mouth tooth surface was measured.
- Conventional methods are as follows: First, the plaque recording before brushing is performed: before brushing the teeth The examiner first rinses the mouth with clean water, then coats the tooth surface with a cotton swab having a volume fraction of 2% basic magenta. After 1 minute of retention, rinse the mouth, check and fill in the plaque record card, and record the method. To: record the four faces of the tooth to be tested (lip side, lingual side, near middle, and far). The tooth surface showing the presence of plaque can be indicated by "-" in the space of the corresponding part of the record card.
- Test method 10 subjects were brushed with various toothbrushes for 3 minutes, and then they were evaluated by sensory comfort of the toothbrush.
- Comparative Example 1 There are 30 brush holes in the head of the toothbrush, and there are generally 50 brush wires inside each brush hole.
- the total number of bristles of the toothbrush is 1500 brush wires, and the diameter of the brush wire is 0.30 mm.
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Abstract
Description
Claims (10)
- 牙刷,包括刷柄(2)以及清洁部件(1),所述刷柄(2)包括手持部(202)以及刷头部(201),所述手持部(202)与所述刷头部(201)连接,所述清洁部件(1)与所述刷头部(201)固定连接,其特征在于,所述清洁部件(1)包括多根刷毛(101)和毛板(102),所述毛板(102)由多根所述刷毛(101)的底部整体熔融而成,所述毛板(102)与所述刷头部(201)固定连接。
- 根据权利要求1所述的牙刷,其特征在于,所述刷头部(201)包括底板(2011)以及固定于所述底板(2011)四周上的凸起部(2012),所述底板(2011)与所述凸起部(2012)形成容置空间(2013),所述毛板(102)底部放置于所述容置空间(2013)中并与所述底板(2011)固定连接。
- 根据权利要求1所述的牙刷,其特征在于,所述刷头部(201)包括底板(2011)和凸起部(2012),所述凸起部(2012)的中间设有卡槽(2014),所述毛板(102)的四周边缘能够与所述卡槽(2014)相嵌合,所述毛板(102)的底部与所述底板(2011)固定连接。
- 根据权利要求2所述的牙刷,其特征在于,所述毛板(102)的厚度为0.1-2.0mm,所述容置空间(2013)的高度与所述毛板(102)的厚度相等。
- 根据权利要求1所述的牙刷,其特征在于,所述刷毛(101)的直径为0.05-0.25mm。
- 根据权利要求1所述的牙刷的制备方法,其特征在于,包括以下步骤:取多根直径为0.05-0.25mm的刷毛(101)竖直放置在金属模具中加热到230-500℃,刷毛(101)的底部在所述金属模具中整体被熔融成一毛板(102),刷毛(101)与毛板(102)整体形成清洁部件(1);准备刷柄(2),刷柄(2)包括手持部(202)以及刷头部(201),所述手持部(202)与所述刷头部(201)连接,毛板(102)底部固定于所述刷头部(201)上。
- 根据权利要求6所述的牙刷的制备方法,其特征在于,所述毛板(102)的厚度为0.1-2.0mm。
- 根据权利要求6所述的牙刷的制备方法,其特征在于,刷毛(101)竖直放置在金属模具中加热到400℃。
- 根据权利要求6所述的牙刷的制备方法,其特征在于,所述刷头部(201)包括底板(2011)以及固定于所述底板(2011)四周上的凸起部(2012),所述底板(2011)与所述凸起部(2012)形成容置空间(2013),将清洁部件(1)放置于所述容置空间(2013)中,毛板(102)底部放入模具直接注塑粘结或用粘结剂粘结于所述底板(2011)上或通过超声波焊接的方式固定于底板(2011)上。
- 根据权利要求6所述的牙刷的制备方法,其特征在于,所述刷头部(201)包括底板(2011)和凸起部(2012),在所述凸起部(2012)的中间设置卡槽(2014),将所述毛板(102)的四周边缘嵌入到所述卡槽(2014)中,将所述毛板(102)的底部与所述底板(2011)注塑粘结。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP16902087.2A EP3459388A4 (en) | 2016-05-17 | 2016-06-24 | TOOTHBRUSH AND METHOD FOR MANUFACTURING THE SAME |
US16/303,007 US20190298048A1 (en) | 2016-05-17 | 2016-06-24 | Toothbrush And Method Of Making The Same |
BR112018073640A BR112018073640A2 (pt) | 2016-05-17 | 2016-06-24 | escova de dente e método para produção da mesma |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201610326685.8A CN105768520A (zh) | 2016-05-17 | 2016-05-17 | 牙刷及其制备方法 |
CN2016103266858 | 2016-05-17 |
Publications (1)
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WO2017197707A1 true WO2017197707A1 (zh) | 2017-11-23 |
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PCT/CN2016/086977 WO2017197707A1 (zh) | 2016-05-17 | 2016-06-24 | 牙刷及其制备方法 |
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US (1) | US20190298048A1 (zh) |
EP (1) | EP3459388A4 (zh) |
CN (1) | CN105768520A (zh) |
BR (1) | BR112018073640A2 (zh) |
WO (1) | WO2017197707A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109497689B (zh) * | 2017-09-15 | 2021-03-12 | 高露洁-棕榄公司 | 口腔护理器具 |
CA3021410C (en) | 2017-10-27 | 2023-12-12 | Sunstar Americas, Inc. | Powered toothbrush bristle head |
CN107625474A (zh) * | 2017-10-30 | 2018-01-26 | 东莞向日葵美容用品有限公司 | 刷柄及洗脸刷 |
FR3081303B1 (fr) | 2018-05-22 | 2020-05-01 | Fasteesh | Procede de fabrication d'une piece de brossage dentaire, et piece de brossage dentaire |
CN109077434B (zh) * | 2018-06-28 | 2020-05-01 | 海宁市力佳隆门窗密封条有限公司 | 无基布焊接式毛刷条及其加工工艺 |
CN112996412A (zh) * | 2019-10-02 | 2021-06-18 | 河尚完 | 提高牙龈按摩及牙菌斑清除效率的牙刷 |
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- 2016-05-17 CN CN201610326685.8A patent/CN105768520A/zh active Pending
- 2016-06-24 EP EP16902087.2A patent/EP3459388A4/en not_active Withdrawn
- 2016-06-24 BR BR112018073640A patent/BR112018073640A2/pt not_active IP Right Cessation
- 2016-06-24 US US16/303,007 patent/US20190298048A1/en not_active Abandoned
- 2016-06-24 WO PCT/CN2016/086977 patent/WO2017197707A1/zh unknown
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Also Published As
Publication number | Publication date |
---|---|
US20190298048A1 (en) | 2019-10-03 |
CN105768520A (zh) | 2016-07-20 |
EP3459388A1 (en) | 2019-03-27 |
BR112018073640A2 (pt) | 2019-06-04 |
EP3459388A4 (en) | 2019-07-17 |
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