CN100488753C - Flexible tubular strip section and its production process - Google Patents
Flexible tubular strip section and its production process Download PDFInfo
- Publication number
- CN100488753C CN100488753C CNB2005100298030A CN200510029803A CN100488753C CN 100488753 C CN100488753 C CN 100488753C CN B2005100298030 A CNB2005100298030 A CN B2005100298030A CN 200510029803 A CN200510029803 A CN 200510029803A CN 100488753 C CN100488753 C CN 100488753C
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- section bar
- section
- strip
- plastics
- flexible tubular
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Abstract
The flexible tubular and strip section is made with two kinds of plastics alternately arranged in the length direction, and of these two kinds of plastics, one has excellent deformation performance and flexibility, and the other has high hardness. The production process of the flexible tubular and strip section is also provided. The section is formed through alternate extrusion in two extrusion machines provided with one converter and one common extrusion head. The flexible tubular and strip section has high pressure resistance, high deformation resistance and high flexibility and may be formed at will.
Description
Technical field
The present invention relates to a kind of flexible tubular strip section and production technology thereof.This flexible tubular strip section by extrusion method, is made by at least two kinds of different, extrudable synthetic plastics.
Background technology
As everyone knows, the general production technology of pipe strip section is, is made up of two or more plastics extrudate, and the plastics extrudate of looking vertically is parallel to each other and column distribution, and constitutes by the contact-making surface that is parallel to each other and to manage strip.With the pipe bar that this explained hereafter forms, its pliability and flexible are only better than the pipe bar made from non-flexible plastic.
A kind of on automobile the i.e. production of pipe bar section bar soft, enhancement mode of widely used sealing strip be known to everybody by European patent EP 1 396 331.In this pipe bar section bar, two kinds of different plastics extrudates are alternately arranged mutually, that is to say, two kinds of different plastics extrudates are alternately arranged for one section one section on the length direction of pipe bar section bar.This flexibility strengthens rib and is placed in the sealing strip section bar, and its carrying constitutes other plastics extrudates of sealing strip.The pliability of pipe bar section bar depends on the pliability of soft plastics.In this pipe strip section, inflexibility partly keeps at a certain distance away and alternately arranges, and is used as the clamping body of stationary pipes strip section.
Technically, require pipe bar section bar withstand voltage, anti-deformation, but simultaneously again can be crooked flexibly.These performances are that some is conflicting.For this reason, when making these products, adopted the method for compromise.For example, a high-pressure hose is installed, need to arrange a narrow and small radian, under the external force flecition, this high-pressure hose must resist deformation simultaneously.For this reason, when making high-pressure hose, add the good synthetic material of pliability and strengthen muscle, avoid high-pressure hose when being subjected to internal pressure, to break or squeezed when being subjected to external pressure flat.This use and production technology to material in the production process has proposed very high requirement.
Summary of the invention
The objective of the invention is to overcome the shortcoming that exists on the prior art, a kind of both withstand voltage, anti-deformation that produces by the compound method of extruding of plastics is provided, have pliability again, arbitrarily the pipe strip section of plastotype.
Another purpose of this invention provides the production technology of this product.
Technical solution of the present invention is: a kind of flexible tubular strip section, this section bar is made up of two kinds of different synthetic plastics, two kinds of plastics are alternately arranged front and back in the longitudinal direction, wherein a kind of plastics have good deformability and pliability, another kind of plastics have good hardness, the one side of this section bar has one or two security strips that are used for fixing section bar, this security strip is embedded in the mounting groove, security strip is provided with stay hook, this section bar also disposes electric wire, and this electric wire is arranged on the section bar part that links to each other with security strip.
The present invention also provides a kind of production method of flexible tubular strip section: the pipe strip section is to produce with the method for extruding, this section bar is made by two kinds of different synthetic plastics, on the length direction of pipe strip section, two kinds of plastics are alternately arranged mutually, a kind of synthetic plastic wherein has good deformability and flexibility, and another kind of synthetic plastic then has good hardness.
This section bar is by disposing alternately extruder head extrusion molding conversion equipment, that two extruders is shared mutually.
Two kinds of synthetic plastics are successively continuous in order is extruded moulding.
The pipe strip section that provides of the present invention is made of two kinds of different synthetic plastics, on the length direction of pipe bar section bar, alternately arrange mutually, a kind of synthetic plastic wherein has good deformability and pliability, and another kind of synthetic plastic has good hardness, both withstand voltage, anti-deformation has pliability again, and varied moulding can be arranged, but all extrusion moldings of inside and outside shape can be used for different purposes.
Below by means of the present invention that further explains of accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is a kind of that holddown groove is installed, as to be used as cover plate strip section sectional view that embeds.
Fig. 2 stretches the expansion side view for this section bar.
Fig. 3 is the case of bending side view of this section bar.
Fig. 4 is a kind of sectional view that has the cover plate bar section bar of crimp.
Fig. 5 is provided with the sectional view of section bar of the cover plate bar of conductive filament (electric wire) for a kind of inside.
Fig. 6 is a kind of sectional view that has the section bar of hollow cap lath.
Fig. 7 respectively has security strip for a kind of two side ends in section bar one side, and end strip has stay hook, is used for surrounding the section bar sectional view that an object seamed edge edge is installed.
Fig. 8 is a kind of side view of tubulose section bar.
Fig. 9 is the axis side view (perspective view) of this tubulose section bar.
Among the figure: 1, cover plate bar, 2, security strip, 3, dop (or chuck), 4, the unit made by rigid synthetic plastic, 5, the unit made by soft synthetic plastic, 6, crimp, 7, electric wire, 8, hollow parts, 9, stay hook, 10, the annulus of making by the pliability synthetic plastic (joint), 11, the annulus (joint) made by rigid synthetic plastic
The specific embodiment
What represent among Fig. 1 is to embed the pipe strip section of installing in the holddown groove, and it comprises a cover plate bar 1, has a security strip 2 at its back side, has dop 3 on the lath 2.This section bar is made up of plastic unit 4 and the unit 5 arranged in order before and after many, and a kind of (unit 4) wherein is by having good hardness, has also simultaneously that synthetic plastic that better elastic is out of shape makes, and has the superperformance of clamping element.
What Fig. 2 represented this section bar stretches the expansion side view.The manufacture method of this section bar is by two extruders, by an extruder head, to utilize successively alternately device continuous extrusion.From this extruder head, unit 4 and unit 5 are extruded after promptly two kinds of synthetic plastics are arranged according to sequencing is coherent.
Fig. 3 represents the case of bending side view of this section bar.Obviously, unit 4 is made of hard synthetic plastic, and unit 5 is made of the synthetic plastic of softness, when shape bending, and 4 not distortion, 5 have been out of shape.
Fig. 4 is the sectional view of another kind of section bar, and the cover plate bar has crimp.This section bar comprises a cover plate bar 1, and its back side has a security strip 2, has dop 3 on the security strip 2.There is crimp 6 cover plate bar 1 both sides of the edge, and crimp 6 is used for being overlapped on dull and stereotyped upper and lower surface.
What Fig. 5 represented is a kind of section bar sectional view that is provided with electric wire (electric wire) 7 in cover plate bar 1 inside.This section bar also is a bridging conductor simultaneously, has dop 3 on the security strip 2.
What Fig. 6 represented is a kind of sectional view that has the section bar of cavity 8 on cover plate bar 1.Cable laying line or other similar purposes after convenient.This section bar fixes by means of the dop of arranging on the security strip 23 equally, has the function of chucking.
What Fig. 7 represented is a kind of section bar that has two security strips 2, and the end of security strip 2 has symmetrical stay hook 9, is used for surrounding the seamed edge edge of an object during installation.
The tubulose section bar that Fig. 8 and Fig. 9 represent is made up of many torus knots, these torus knots are made by two kinds of synthetic plastics respectively, one of them annulus (joint) 10 has good pliability and flexibility, and another annulus (joint) 11 is then made by the another kind of synthetic plastic with the distortion of high rigidity and better elastic.Alternate with each other from same extruder head, being extruded of these two kinds of synthetic plastics, thus constitute a coherent pipe strip section.The pipe strip section of producing like this, two kinds of synthetic plastics are alternately arranged mutually on the length direction of section bar, and are positive then constitute a coherent annulus.Wherein annulus (joint) 10 guarantees to manage the pliability of bar section bar, and annulus (joint) 11 then guarantees to manage the radial stability of bar section bar.
The back side of the one side that has security strip on the section bar of the present invention can also be provided with one deck plastic layer or decorative layer.
At least in the one side of security strip, duroplasts is partly with the flange with clamping plate function on the section bar of the present invention.
The cross section of the section bar part of the security strip in the present invention can be hollow, rectangle or circular.
Section bar of the present invention is alternately arranged on pipe bar section bar length direction by deformable and non deformable part.This pipe bar section bar adopts expressing technique to make, and two extruders supplies raw materials for a shared extruder head that forms pipe bar section bar.And be extruded the continuous degree of lip-rounding plate from this extruder head that further replaces sequentially, thereby form pipe bar section bar, and constitute the part that always in the middle of per two sections hard parts, accompanies one section softness.
Claims (4)
1. flexible tubular strip section, it is characterized in that this section bar is made up of two kinds of different synthetic plastics, two kinds of plastics are alternately arranged front and back in the longitudinal direction, wherein a kind of plastics have good deformability and pliability, another kind of plastics have good hardness, the one side of this section bar has one or two security strips that are used for fixing section bar, this security strip is embedded in the mounting groove, security strip is provided with stay hook, this section bar also disposes electric wire, and this electric wire is arranged on the section bar part that links to each other with security strip.
2. flexible tubular strip section according to claim 1 is characterized in that the duroplasts of this section bar is partly with the flange with clamping plate function.
3. flexible tubular strip section according to claim 1 and 2 is characterized in that the back side of the one side of security strip is provided with one deck decorative layer.
4. flexible tubular strip section according to claim 1 and 2, the cross section that it is characterized in that the section bar part of security strip is the hollow of rectangle or circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100298030A CN100488753C (en) | 2005-09-20 | 2005-09-20 | Flexible tubular strip section and its production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100298030A CN100488753C (en) | 2005-09-20 | 2005-09-20 | Flexible tubular strip section and its production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1739939A CN1739939A (en) | 2006-03-01 |
| CN100488753C true CN100488753C (en) | 2009-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100298030A Expired - Fee Related CN100488753C (en) | 2005-09-20 | 2005-09-20 | Flexible tubular strip section and its production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100488753C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484123B (en) * | 2020-05-06 | 2022-03-29 | 北京工业大学 | Efficient nitrifying embedded bioactive filler and preparation method thereof |
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2005
- 2005-09-20 CN CNB2005100298030A patent/CN100488753C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1739939A (en) | 2006-03-01 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20090520 Termination date: 20140920 |
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| EXPY | Termination of patent right or utility model |