CN101474100A - Dental floss as well as production equipment and production method thereof - Google Patents
Dental floss as well as production equipment and production method thereof Download PDFInfo
- Publication number
- CN101474100A CN101474100A CNA2009100008657A CN200910000865A CN101474100A CN 101474100 A CN101474100 A CN 101474100A CN A2009100008657 A CNA2009100008657 A CN A2009100008657A CN 200910000865 A CN200910000865 A CN 200910000865A CN 101474100 A CN101474100 A CN 101474100A
- Authority
- CN
- China
- Prior art keywords
- dental floss
- diaphragm
- handle
- particular manufacturing
- manufacturing craft
- 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.)
- Pending
Links
Images
Landscapes
- Brushes (AREA)
Abstract
The invention discloses a dental floss, a manufacture device thereof and a preparation method thereof. The dental floss comprises a hand handle and a membrane arranged on the hand handle. The membrane is used for cleaning teeth. The manufacture device comprises a special mold. The dental floss is integrally injected and molded by the special mold; wherein, the parting surface of the special mold is in the middle of the membrane and parallel to the plane of the membrane. The special mold has one module and one cavity or one module and multiple cavities. The manufacture method comprises local heating before injection, melting material and injection, holding pressure and cooling. The dental floss has the advantages that the membrane has small thickness can conveniently enter into the clearance of teeth; the membrane material with high softness is used for reducing the damage on gum as soon as possible; a primary molding technique is used, which can greatly reduce the cost.
Description
Technical field
The present invention relates to a kind of apparatus that cleans one's teeth, particularly a kind of dental floss and manufacturing equipment and manufacture method.
Background technology
Dental floss is a kind of apparatus that cleans one's teeth of soft dirt on the food detritus and facing of rejecting in the teeth space, and caulked is effective especially at the food debris in the teeth space for rejecting.Medical research shows that dental floss more can prevent dental disorder than toothbrush.Brush teeth normally and can only remove about 70% bacterial plaque of tooth surface, but the dirt between tooth then is difficult to remove totally.And the place that takes place of bacterial buildup so that odontopathy just, these positions in fact.Dental floss can arrive easily to brush teeth, gargle and pick one's teeth and all be difficult to the narrow teeth space that arrives, effectively removes food debris, dental plaque and soft deposit on teeth between teeth space, thereby reduces the sense of discomfort of between cog caulked foreign body, improves the oral hygiene level.
How dental floss is made with nylon wire, silk thread, polyester thread or the cotton thread of waxing, and department of stomatology dedicated line generally scribbles wax, and some also scribbles aromatic and fluoride.Also have some dental floss to make with novel fibrous material or foamed materials, described a kind of dental floss as CN00812207.5, it contains the porous PTFE fiber that density is lower than about 0.7g/cc.This dental floss is wear-resisting, makes with extrusion method.USP6,289,904 have described a kind of dental floss, and this dental floss with thin layer, makes it to have the surface character of PTFE material in the plating of nylon yarn surface.
In order to make line be flat, often be made into the multiply structure or, proposed a kind of improved dental floss as CN1239875 by the multilamellar line structure, it is made of the outer layer component in high-intensity inner core and suitable oral cavity.CN99811289.5 provides a kind of dental floss that has foamed materials.This dental floss has the outer and enhancing fuse of foamed materials, and can make the coextrusion monofilament of multicomponent.
When using dental floss, normally from very long dental floss roll, cut one section (30-40cm is long), two ends are twisted in respectively on the finger of two handss, remaining dental floss (being about 5cm) dental floss between two fingers is placed teeth space and pulling.
For easy to use, the invention that much dental floss is installed on the dental floss bracket is arranged also.
CN93236792.5 has described a kind of dental floss stick, it is characterized in that the one end is arciform, and one section non-twist shape dental floss is arranged between the bipod of bow.The dental floss that is fixed between the dental floss stick bow can enter diastema caulked, retentate are removed by slit between two trickle teeth in use, and the thorn-like toothpick can be rejected bigger foreign substances between teeth, the alternative toothpick in tail point place.
USP6,474,347 have described a kind of dental floss clamping device, can use dental floss more easily and can guarantee that dental floss is tightened up.
CN97196463.7 has described a kind of method and apparatus that is used for tensioning dental floss, can guarantee that dental floss strained and keep its tension rightly, can not be damaged between dental floss holder simultaneously.
CN02252076.7 describes a kind of multi-functional dental floss stick is provided, and it includes an effort handle, and one with the banded tooth picking part of effort handle one end, can adjust dental floss at intraoral radian by effort handle.
At present, the dental floss of number of different types has been arranged on the market, above-mentioned patent also is the sub-fraction of numerous patents.Yet in reality, especially in China, dental floss is very high utility ratio not; Dental floss is not brought into play its effect that effectively improves the oral hygiene level, and its reason mainly contains:
1) present dental floss product, its thickness is bigger, is difficult to enter the very little teeth space of space width sometimes.And just when foreign body enters this teeth space, common toothpick is difficult to reject, and the people is also the easiest to produce incompatible sense because of foreign body.
It need be wrapped on the finger when 2) single dental floss uses, cumbersome.That therefore, dental floss is put is very important with convenient the use on frame or holder.But in the present product and patent, because dental floss and frame or holder are not a kind of materials, production cost is very high; Have some dental floss holders or holder design very ingenious, but installing and fixing when using is cumbersome.
3) price is higher.
At above problem, the invention provides a kind of novel dental floss, its funtion part is made up of the handle of LDPE film and same material, and production equipment and the production method that adapts with it is provided.
Summary of the invention
The objective of the invention is defective at above-mentioned prior art, a kind of dental floss and manufacturing equipment thereof and manufacture method are provided, described dental floss has moderate, the easy to use and cheap advantage of thickness, described manufacturing equipment has advantage easy to use, and described manufacture method has advantages of simple operation.
The technical scheme taked of the present invention is to achieve these goals: a kind of dental floss, comprise handle, and also comprise the diaphragm that is arranged on the handle, diaphragm is used for cleaning teeth.
Described handle and diaphragm are for to make with a kind of material.The problem that this design has overcome existing dental floss bracket/rod and dental floss unlike material, can not together produce.
The inventor discovers that low density polyethylene films (LDPE film) is well suited for the diaphragm material as dental floss.Relative density 0.91-0.93g/cm
3The LDPE film, the about 7-15MPa of its hot strength, elongation at break〉400%, when being made into thickness when being the diaphragm of 20-60 μ m, can insert interval of tooth easily.The mechanical property of LDPE film has determined that it is a suitable material of making dental floss; Simultaneously, the LDPE film is nontoxic, and is tasteless, is suitable for as the human oral cavity cleaning supplies; The LDPE material is the big material of a kind of volume of production, and price is low, helps applying of this kind dental floss.
The preferred 0.91g/cm of the relative density of described low density polyethylene (LDPE)
3, the preferred 30-35 μ of described diaphragm-operated thickness m.
Described handle comprises the straight-bar portion that is used for the staff clamping, and link to each other with straight-bar portion arch portion.Straight-bar portion is used for operation, with tooth before and after the flexible transposing radian cleaning.Arch portion is used for fixing and strains described diaphragm.
Described arch portion must be designed to realize straining diaphragm-operated function less than the part of semi arch (promptly strengthening R).The corresponding radian of described arch portion is pi/2-π.Preferred 3 π of the corresponding radian of described arch portion/4-4 π/5.
The afterbody of the described straight-bar portion formation needle prick shape that progressively attenuates is used to choose except that dens, and its function is identical with toothpick basically.
Described dental floss is by the particular manufacturing craft integrated injection molding, a kind of manufacturing equipment that is used to make described dental floss, and wherein, the die joint of described particular manufacturing craft is in diaphragm-operated centre and be parallel on the diaphragm-operated plane, and described particular manufacturing craft is a mould one chamber or a multi-cavity mold.Wherein, a multi-cavity mold, i.e. the plastic a plurality of products of a shot are finished the manufacturing of a plurality of dental floss.
A kind of manufacture method that is used to make described dental floss comprises the steps:
1) before injection moulding with the local heat of carrying out of the connecting portion of corresponding described diaphragm and handle in the particular manufacturing craft, to guarantee the heat seal strength after the molding of product diaphragm;
2) with behind the dental floss injection moulding usefulness material heating and melting, inject by injection machine in the cavity of particular manufacturing craft;
3) described material through pressurize, cooling, forms the dental floss finished product in particular manufacturing craft.
Beneficial effect of the present invention can be summarized as following six aspects:
1) compared to existing technology, used thickness of the present invention is low density polyethylene films sheet (LDPE film) cleaning teeth of 20-60 μ m, is easy to enter arrange closely between tooth and reject impaction material between tooth;
2) compared to existing technology, used thickness of the present invention is that the diaphragm-operated pliability of LDPE of 20-60 μ m is moderate, can not damage gingiva;
3) compared to existing technology, the present invention can adjust position and the angle of dental floss diaphragm in the oral cavity easily by handle;
4) compared to existing technology, the part of handle afterbody of the present invention can be used as common toothpick;
5) compared to existing technology, diaphragm of the present invention and handle are commaterials, once production molding;
6) compared to existing technology, the present invention is owing to the very low LDPE material of employing cost, and employing disposal molding technology, and the production cost of final products is very low, will be very beneficial for applying of dental floss.
The advantage of dental floss of the present invention is that diaphragm thickness is little, can enter interval of tooth easily; Adopt the high diaphragm material of pliability, reduce injury as much as possible gingiva; Adopt one-shot forming technique, can reduce cost significantly.
Description of drawings
Fig. 1 is the sketch map of dental floss of the present invention.
Among the figure: 1 diaphragm, 2 arch portion, 3 straight-bar portions.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Dental floss as shown in Figure 1 comprises handle and diaphragm 1, and diaphragm 1 is used for cleaning teeth.Handle comprises straight-bar portion 3 and arch portion 2.In order to realize straining the function of diaphragm 1, described arch portion 2 corresponding radian optimums are 155 °, but are not limited thereto, and can also be between pi/2-π, preferred 3 π/4-4 π/5.The afterbody of the described straight-bar portion 3 formation needle prick shape that progressively attenuates is used to choose except that dens, and its function is identical with toothpick basically.
Described handle and diaphragm 1 are for to make with a kind of material, and handle and diaphragm 1 are that the employing relative density is 0.91-0.93g/cm
3Low density polyethylene is made, and preferred density is 0.91g/cm
3In order to increase the comfort in oral cavity, can in the LDPE material, add small amount of filler or fragrant agent, but must be at the mechanical property that does not change the LDPE material (tensile strength, fracture elongation, hardness), thermoplastic property (viscosity, flowability, shaping shrinkage rate) and meet on the basis that oral hygiene requires.Wherein, the thickness of diaphragm 1 is 20-60 μ m, preferred 30-35 μ m.
Described dental floss is by the particular manufacturing craft integrated injection molding, a kind of manufacturing equipment that is used to make described dental floss, and wherein, the die joint of described particular manufacturing craft is in diaphragm-operated centre and be parallel on the diaphragm-operated plane, and described particular manufacturing craft is a mould one chamber or a multi-cavity mold.Wherein, a multi-cavity mold, i.e. the plastic a plurality of products of a shot are finished the manufacturing of a plurality of dental floss.
A kind of manufacture method that is used to make described dental floss comprises the steps: that with the dental floss described in Fig. 1 be example, and the design diaphragm thickness is that 35 μ m, handle bow portion radian are 155 °, make the mould and the processing and manufacturing of 16 dental floss at every turn.The material of mould can be selected plastic mould material arbitrarily for use.
1) mould is installed in preparation production on the injection machine, injection machine can be selected model commonly used in the industry for use.
2) before injection moulding with the local heat of carrying out of the connecting portion of corresponding described diaphragm and handle in the particular manufacturing craft, to guarantee the heat seal strength after the molding of product diaphragm;
3) be that 0.91 LDPE material adds in the injection machine hopper with relative density, it is temperature required to be heated to molding;
4) injection machine matched moulds will plastify uniform LDPE material and inject in the mould by injection machine;
5) through certain pressurize and cool time, injection moulding machine mould open ejects product, promptly obtains final dental floss.
Because of the LDPE material possesses the advantage of repeatedly pulverizing reuse, the waste material reuse again that its cast gate produces.
Above-described embodiment, the present invention specific embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacing all should be included in protection scope of the present invention.
Claims (10)
1. a dental floss comprises handle, it is characterized in that: also comprise the diaphragm that is arranged on the handle, diaphragm is used for cleaning teeth.
2. dental floss according to claim 1 is characterized in that: described handle and diaphragm are for to make with a kind of material.
3. dental floss according to claim 2 is characterized in that: described handle and diaphragm are that the employing relative density is 0.91-0.93g/cm
3Low density polyethylene (LDPE) is made, and wherein, described diaphragm-operated thickness is 20-60 μ m.
4. dental floss according to claim 3 is characterized in that: the relative density of described low density polyethylene (LDPE) is 0.91g/cm
3, described diaphragm-operated thickness is 30-35 μ m.
5. according to the described dental floss of the arbitrary claim of claim 1-4, it is characterized in that: described handle comprises the straight-bar portion that is used for the staff clamping, and link to each other with straight-bar portion, be used for fixing and strain described diaphragm-operated arch portion.
6. dental floss according to claim 5 is characterized in that: the corresponding radian of described arch portion is pi/2-π.
7. dental floss according to claim 6 is characterized in that: the corresponding radian of described arch portion is 3 π/4-4 π/5.
8. dental floss according to claim 7 is characterized in that: the afterbody of the described straight-bar portion formation needle prick shape that progressively attenuates is used as toothpick.
9. manufacturing equipment that is used to make the described dental floss of claim 1, it is characterized in that: described dental floss is by the particular manufacturing craft integrated injection molding, the die joint of described particular manufacturing craft is in diaphragm-operated centre and be parallel on the diaphragm-operated plane, and described particular manufacturing craft is a mould one chamber or a multi-cavity mold.
10. a manufacture method that is used to make the described dental floss of claim 1 is characterized in that: comprise the steps:
1) before injection moulding with the local heat of carrying out of the connecting portion of corresponding described diaphragm and handle in the particular manufacturing craft, to guarantee the heat seal strength after the molding of product diaphragm;
2) with behind the dental floss injection moulding usefulness material heating and melting, inject by injection machine in the cavity of particular manufacturing craft;
3) described material through pressurize, cooling, forms the dental floss finished product in particular manufacturing craft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100008657A CN101474100A (en) | 2009-01-19 | 2009-01-19 | Dental floss as well as production equipment and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100008657A CN101474100A (en) | 2009-01-19 | 2009-01-19 | Dental floss as well as production equipment and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101474100A true CN101474100A (en) | 2009-07-08 |
Family
ID=40834951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100008657A Pending CN101474100A (en) | 2009-01-19 | 2009-01-19 | Dental floss as well as production equipment and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101474100A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627927A (en) * | 2009-08-19 | 2010-01-20 | 上海金由氟材料有限公司 | Forming device for dental floss section film stripping |
| CN102328382A (en) * | 2010-05-28 | 2012-01-25 | 麦克内尔-Ppc股份有限公司 | Apparatus for manufacture of single-use dental floss holders |
| CN102379749A (en) * | 2011-09-13 | 2012-03-21 | 宁波市鄞州千峰机械科技有限公司 | Inflation fracture type teeth picking device |
| CN102582022A (en) * | 2011-12-27 | 2012-07-18 | 威海洁仕日用品有限公司 | Device for producing dental floss pickers |
-
2009
- 2009-01-19 CN CNA2009100008657A patent/CN101474100A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627927A (en) * | 2009-08-19 | 2010-01-20 | 上海金由氟材料有限公司 | Forming device for dental floss section film stripping |
| CN101627927B (en) * | 2009-08-19 | 2014-08-27 | 上海金由氟材料有限公司 | Forming device for dental floss section film stripping |
| CN102328382A (en) * | 2010-05-28 | 2012-01-25 | 麦克内尔-Ppc股份有限公司 | Apparatus for manufacture of single-use dental floss holders |
| CN102328382B (en) * | 2010-05-28 | 2015-11-25 | 麦克内尔-Ppc股份有限公司 | Manufacture the equipment of disposable dental floss holder |
| CN102379749A (en) * | 2011-09-13 | 2012-03-21 | 宁波市鄞州千峰机械科技有限公司 | Inflation fracture type teeth picking device |
| CN102582022A (en) * | 2011-12-27 | 2012-07-18 | 威海洁仕日用品有限公司 | Device for producing dental floss pickers |
| CN102582022B (en) * | 2011-12-27 | 2016-05-11 | 威海洁仕日用品有限公司 | A kind of device of producing dental floss pick |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102123680B (en) | Interdental cleaners and methods for making same | |
| US20090230756A1 (en) | Interdental cleaning tool | |
| US8522798B2 (en) | Dental flosser with improved strength | |
| US6003525A (en) | Elastomer floss and related flossing devices | |
| RU2711868C2 (en) | Brush cleaning head assembly and methods for manufacture thereof | |
| US9603685B2 (en) | Method of manufacturing an interdental cleaner | |
| US20140130824A1 (en) | Multiple strand dental flosser | |
| EP1844677A1 (en) | Toothbrush | |
| AU2003245882A1 (en) | Method for the production of a bristle structure on a carrier | |
| CN101474100A (en) | Dental floss as well as production equipment and production method thereof | |
| CN109414106A (en) | Head toothbrushes and its production method including double cleaning elements elements | |
| TW200303259A (en) | Method and device for producing bristles | |
| JPH1042957A (en) | Toothbrush | |
| CN104546177B (en) | There is dental floss stick and manufacturing equipment and the manufacture method of tight straight dental floss | |
| US5392794A (en) | Dental floss for brace wearers and the like | |
| CN108186143B (en) | Dental floss rod and manufacturing process thereof | |
| CN103505296A (en) | Method used for producing floss picks by wire groove sintering | |
| JP5402020B2 (en) | Toothbrush and manufacturing method thereof | |
| US20090194132A1 (en) | Dental flosser having multi-texture floss | |
| CN201346241Y (en) | Dental floss | |
| JP7315552B2 (en) | Brush head assembly and method of manufacturing same | |
| JP2006297029A (en) | Triangular toothpick and manufacturing method thereof | |
| JP3129329U (en) | Dental products with holder | |
| JP2009034308A (en) | Toothbrush and its manufacturing method | |
| EP0914780B1 (en) | Thermoplastic or thermosetting brassiere frame including elongated stiffening fibres |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20090708 |