CN1060019A - The laser processing method of toothbrush and brush - Google Patents
The laser processing method of toothbrush and brush Download PDFInfo
- Publication number
- CN1060019A CN1060019A CN 90108104 CN90108104A CN1060019A CN 1060019 A CN1060019 A CN 1060019A CN 90108104 CN90108104 CN 90108104 CN 90108104 A CN90108104 A CN 90108104A CN 1060019 A CN1060019 A CN 1060019A
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- brush
- laser
- increment face
- toothbrush
- processing method
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Abstract
The invention discloses the laser processing method of a kind of toothbrush and brush.This method is with laser irradiation brush increment face, makes under the brush increment face that temperature raises rapidly in the very small region, until fusing, promptly stops irradiation, is cooled to the photothermal treatment method of mushroom tooth head then.Laser is by brush tooth direction continuous incident, and vertical irradiation is on brush increment face, and the light action area is whole brush increment face, the laser energy density at brush increment face edge be not less than mid portion laser energy density 80%.The power density that laser shines on the brush increment face is 38～114 watts/centimetre
2The present invention is convenient and easy, photo-thermal efficient height, and energy consumption is low, and processing speed is fast, and is effective.
Description
The invention belongs to the laser processing method of toothbrush and brush.
The brush increment face of toothbrush and brush forms all and is formed by the machinery knives cutting now, because the shear extrusion effect of mechanical force, at unavoidable many wedge angles and the burr of forming of brush increment face.If brush teeth with such toothbrush, all very harmful to gum and tooth glaze, more be unwell to children and Ya disease patient's use.
The laser processing method that the purpose of this invention is to provide a kind of toothbrush and brush.
Main points of the present invention are with laser irradiation brush increment face, make under the brush increment face that temperature raises rapidly in the very small region, until fusing, promptly stop irradiation, are cooled to the photothermal treatment method of mushroom tooth head then.
Material according to toothbrush and brush is selected suitable laser, generally adopts carbon dioxide laser, YAG laser, nd glass laser, metallic vapour laser, carbon monoxide laser, PRK, inferior ion laser.Its laser beam mode is basic mode (TEM
00).
Laser beam comes out to adjust spot size through optical system again through speculum, and just in time the facewidth with toothbrush is identical, to form the photothermy that adapts with brush increment face, then the toothbrush of well cutting is sent into laser irradiation area by conveyer belt.Laser is by the continuous incident of brush tooth direction, vertical irradiation is on brush increment face, the light action area is whole brush increment face, the laser energy density at brush increment face edge be not less than the position, intermediate portion laser energy density 80%, the feed speed of toothbrush is determined by the energy density that shines on the brush increment face.The feed speed of brush is generally the 3-12 cel.The power density that laser shines on the brush increment face is generally 38-114 watt/centimetre
2
Test shows that employing power is 60 watts carbon dioxide laser, and spot diameter is 1cm, 77 watts/centimetre of power densities
2, the feed speed of toothbrush is 7.5 cels, and the toothbrush that has wedge angle and burr is carried out laser treatment, has become smooth hemispherical or near hemispheric mushroom tooth head.
The laser of some wavelength is mainly infraredly, and near infrared light has strong photothermy with nonmetallic substances such as nylon, plastics.When these nonmetallic substances, the laser of the absorbing wavelength that is matched is when the irradiation of tooth direction is brushed on the edge, promptly absorb a large amount of light energies, owing to nonmetallic bad thermal conductivity, in the following very small region of brush tooth surface, temperature raises rapidly simultaneously, until fusing, as this moment, stop irradiation, the melt portions on the brush tooth head is cooled off rapidly, because melted material surface tension, cooling back just form bright and clean and regular small mushroom head naturally.The material of brush tooth is generally: nylon yarn, artificial silk, polyethylene, polypropylene, acetate polymer.
Realize that key of the present invention is to regulate spot size, select suitable laser power, reach the brush feed speed that adapts with laser power.The adjustment of spot size will guarantee that each rooted tooth on the brush can both obtain satisfied processing.Because laser energy is Gaussian distribution on beam cross section, therefore will guarantee to brush the suffered energy density in tooth marginal portion is not less than 80% of mid portion.Otherwise big or small uneven mushroom head can appear.Laser shines the energy density on the brush tooth, should match with the brush feed speed.Feed speed is certain, and laser energy density is too high, and the mushroom head on the brush tooth is just too big, even between the brush tooth adhesion phenomenon is arranged.Opposite energy density is too little, then can not eliminate burr and wedge angle fully, can not form smooth, suitable mushroom head.Therefore before producing, from test, grasp these parameters.
Toothbrush or brush by after the present invention's processing have many advantages:
1. from appearance, seemed to spread the sparkling and crystal-clear bright pearlet of one deck on the brush increment face, under light, visible dribs and drabs, glittering.Feel is also fine.
2. use from protecting tooth, have great improvement than former toothbrush.This also is a main task of the present invention.At first it has had no injury to gum and tooth glaze, and the small mushroom head of bright and clean slyness also has massage effect to periodontal tissue on the tooth head, helps the blood circulation of around teeth tissue, improves its immunocompetence.Therefore tooth disease patient is had certain health protection and therapeutic action, healthy person is also worked the strong tooth effect of tooth of protecting.
3. from the effect that cleans the teeth, the toothbrush after the processing, better effects if cleans the teeth.Because in the process of brushing teeth, brush the mushroom head on the tooth one by one, just as one rake, can be admirably between the tooth seam, facing, the swill on the gum clears, effect is obviously good than untreated toothbrush.
4. use from toothbrush, brush tooth head is all keeping mushroom from start to finish, so its health care massage effect is new and old as one, can be with the use of toothbrush, and depreciation and disappearing.
The invention process is got up, and is convenient and easy, and device is simple, is convenient to operation, safe and reliable.Select suitable optical maser wavelength, interact with the brush tooth, make photo-thermal efficient height, energy consumption is low.The laser of certain power and tooth head interact, and the mushroom head forms at short notice fast.Photothermy only limits to extremely shallow zone, can ignore other some effects of toothbrush.The mushroom capitiform becomes stable, and geomery is easy to control, the entire process process cost is extremely low, and speed is very fast, does not produce any adverse effect, is suitable for the large-scale production of toothbrush and brush manufactory flow production line, has excellent economic.
Claims (6)
1, the laser processing method of a kind of toothbrush and brush is characterized in that with laser irradiation brush increment face, makes under the brush increment face in the very small region, and temperature raises rapidly, until fusing, promptly stops irradiation, is cooled to the photothermal treatment method of mushroom tooth head then.
2, the laser processing method of a kind of toothbrush according to claim 1 and brush is characterized in that described laser adopts carbon dioxide laser, YAG laser, nd glass laser, metallic vapour laser, carbon monoxide laser, PRK and argon laser.
3, the laser processing method of a kind of toothbrush according to claim 1 and 2 and brush, the beam mode that it is characterized in that said laser is basic mode (TEM
00).
4, the laser processing method of a kind of toothbrush according to claim 1 and 2 and brush, it is characterized in that described laser is by the continuous incident of brush tooth direction, vertical irradiation is on brush increment face, the light action area is whole brush increment face, the laser energy density at brush increment face edge be not less than mid portion laser energy density 80%.
5, the laser processing method of a kind of toothbrush according to claim 1 and 2 and brush is characterized in that the power density that described laser shines on the brush increment face is 38～114 watts/centimetre
2, the feed speed of brush is 3～12 cels.
6, the laser processing method of a kind of toothbrush according to claim 1 and 2 and brush, the brush teeth material that it is characterized in that described toothbrush and brush is nylon yarn, artificial silk, polyethylene, polypropylene, acetate polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90108104 CN1027706C (en) | 1990-09-27 | 1990-09-27 | Laser treatment method for tooth-brush and brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90108104 CN1027706C (en) | 1990-09-27 | 1990-09-27 | Laser treatment method for tooth-brush and brush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1060019A true CN1060019A (en) | 1992-04-08 |
| CN1027706C CN1027706C (en) | 1995-02-22 |
Family
ID=4880850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90108104 Expired - Fee Related CN1027706C (en) | 1990-09-27 | 1990-09-27 | Laser treatment method for tooth-brush and brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1027706C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824027A (en) * | 2011-06-15 | 2012-12-19 | 博朗有限公司 | Brush head and method and tool for producing same |
| WO2019035758A1 (en) * | 2017-08-17 | 2019-02-21 | Tepe Munhygienprodukter Ab | Method and apparatus for end rounding bristles |
-
1990
- 1990-09-27 CN CN 90108104 patent/CN1027706C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824027A (en) * | 2011-06-15 | 2012-12-19 | 博朗有限公司 | Brush head and method and tool for producing same |
| CN102824027B (en) * | 2011-06-15 | 2015-06-03 | 博朗有限公司 | Brush head and method and tool for producing same |
| WO2019035758A1 (en) * | 2017-08-17 | 2019-02-21 | Tepe Munhygienprodukter Ab | Method and apparatus for end rounding bristles |
| CN111372492A (en) * | 2017-08-17 | 2020-07-03 | Tepe口腔卫生产品公司 | Method and apparatus for end rounding bristles |
| CN111372492B (en) * | 2017-08-17 | 2021-11-30 | Tepe口腔卫生产品公司 | Method and apparatus for end rounding bristles |
| RU2761422C2 (en) * | 2017-08-17 | 2021-12-08 | Тепе Мунийенпродуктер Аб | Method and device for end rounding of bristles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1027706C (en) | 1995-02-22 |
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