CN203831877U - Plastic laminated steel belt - Google Patents
Plastic laminated steel belt Download PDFInfo
- Publication number
- CN203831877U CN203831877U CN201420231905.5U CN201420231905U CN203831877U CN 203831877 U CN203831877 U CN 203831877U CN 201420231905 U CN201420231905 U CN 201420231905U CN 203831877 U CN203831877 U CN 203831877U
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- steel belt
- plastic
- steel band
- rough surface
- adhesive layer
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Abstract
The utility model provides a plastic laminated steel belt. The plastic laminated steel belt has an arc-shaped convex section shape and is spirally wound between inner and outer plastic pipe wall layers in a hot melting manner; the surface of the steel belt which is in hot melting connection with a plastic pipe wall layer is coated with a hot smelting adhesive layer, wherein at least one part of the surface where the steel belt is in the hot melting connection with the plastic pipe wall layer is a concave-convex rough surface. According to the plastic laminated steel belt, the coating adhesive force of the hot smelting adhesive layer on the surface of the steel belt can be obviously improved; the compounding quality of the steel belt and the hot smelting adhesive layer is improved; and furthermore, the quality of a pipe wall of a steel belt enhanced type plastic spiral corrugated pipe compound structure and a whole tubular product is further guaranteed and improved.
Description
Technical field
The utility model relates to a kind of for having the plastic-steel belt of crossing of arc evagination metal reinforcing helical bellows.
Background technology
The plastic helical bellow production processes such as polyethylene with arc evagination metal reinforcing, first with plastic extruder, to extrude the inner layer tube wall of molten polyethylene plastic sheet spiral winding formation tubing, then at established inner-walls of duct outer peripheral face spiral winding one deck, there is the reinforcement of the plastic-steel belt excessively structure sheaf of arc evagination cross sectional shape, last with the molten plastic sheet material of spiral squeezing, cover plastic-steel belt again and formed outer wall outward, jointly formed the composite bed structural pipe wall of plastic helical bellow.This type of tubing is applied to drainage pipeline at present, and more and more by market, accepted more.In above-mentioned manufacture process, can mistake plastic-steel belt be combined into firmly overall structure well with the plastic layer of asking its inside and outside wall is very crucial.As depicted in figs. 1 and 2, at present to thering is the cross sectional shape of arc evagination and being arranged on this between inside and outside plastic tube parietal layer 1 with hot melting way spiral winding, cross the processing of plastic-steel belt, all generally after steel band 2 is cleaned, on its surface, cross the PUR 5 of moulding one deck special use, form the plastic-steel belt of crossing of composite construction, and be processed into the reinforcement band of required section form for the production of helical bellows, to improve and to strengthen steel band 2 and the joint capacity that forms the plastic sheet of inside and outside plastic tube parietal layer 1, improve the steadiness engaging.In addition, also have the naked steel band 2 that is not coated with hot melt adhesive layer is directly carried out to the compound situation of hot melt adhesion with the plastic sheet of inside and outside spiral parietal layer, the quality of its tube wall just more causes anxiety.Because the surface of conventional steel band 2 is very smooth, even if cause being coated with 5 layers of PURs outside steel band 2, also still there is not firmly hidden danger in its composite effect, in use has steel band 2 and plastic tube parietal layer 1 or hot melt adhesive layer 5 delaminations to cause the situation of pipe leakage to occur.
Utility model content
For above-mentioned situation, it is a kind of for having the plastic-steel belt of crossing of arc evagination metal reinforcing helical bellows that the utility model provides, and then improve the quality of reinforced steel-band plastic helical bellow.
The plastic-steel belt of crossing of the present utility model, has the cross sectional shape of arc evagination and is arranged between inside and outside plastic tube parietal layer with hot melting way spiral winding, in the steel strip surface of closing with the thermal welding of plastic tube parietal layer, is coated with hot melt adhesive layer.At least a portion surface of wherein, closing in steel band and the thermal welding of plastic tube parietal layer is set to concavo-convex rough surface.Due to hot melt adhesive layer is overlayed on adhesive force on rough surface will be much larger than the adhesive force at smooth surface, thereby make bonding more firm in steel strip surface of hot melt adhesive layer, difficult drop-off.
Preferred mode, is that whole hot melt composition surfaces of described steel band are all set to rough surface, can improve to the full extent like this surface adhesion force of steel band, thereby realizes the total quality that farthest improves tube wall.
The optional method of rough surface is set in steel strip surface, can comprises at present conventional sandblast, shot-peening, annular knurl, burn into drilling processing, punch press processing etc., in practical application, both can select wherein a kind of, or the mode that distinct methods combines is carried out.
On said structure basis, another kind of selectable structure is in described rough surface, also can include as structures such as blind hole or grooves, to increase multiple multi-form coarse structure.On concrete form, can, for increase blind hole and/or the groove structure described in some on the basis of above-mentioned rough surface, even also can all adopt by said blind hole and/or groove structure and form described rough surface structure.
In addition, the mode that can also select, is in above-mentioned rough surface, to include the through-hole structure that connects the relative both side surface of steel band.Through hole described here, equally also can, for increase the through-hole structure described in some on the basis of above-mentioned rough surface, even also can all form described rough surface structure by said through hole.The particularity that this structure has is, outside steel band, during bonding PUR, PUR can form integrative-structure by the through hole on steel band and steel band, further improve mutual amalgamation.
Plastic-steel belt excessively of the present utility model by the way, can significantly improve hot melt adhesive layer at the coating adhesive force of steel strip surface, improved the composite quality of steel band and hot melt adhesive layer, and further guarantee and improve described in there is the quality of arc evagination metal reinforcing helical bellows composite construction tube wall and whole tubing.
Below in conjunction with the specific embodiment of embodiment, foregoing of the present utility model is described in further detail again.But this should be interpreted as to the scope of the above-mentioned theme of the utility model only limits to following example.Do not departing from the above-mentioned technological thought situation of the utility model, various replacements or the change according to ordinary skill knowledge and customary means, made, all should be included in scope of the present utility model.
Accompanying drawing explanation
Fig. 1 is the tube wall partial structurtes schematic diagram with arc evagination metal reinforcing helical bellows.
Fig. 2 is the existing cross-sectional structure schematic diagram of crossing plastic-steel belt.
Fig. 3 is the cross sectional representation of crossing plastic-steel belt of the present utility model.
Fig. 4 is the structure for amplifying schematic diagram of local A in Fig. 3.
Fig. 5 is the cross-sectional structure partial schematic diagram of embodiment 2.
The specific embodiment
embodiment 1
Fig. 1 is the local state with arc evagination metal reinforcing helical bellows composite construction tube wall.By inside and outside layer plastics parietal layer 1 and inside and outside being arranged on hot melting way spiral winding, the metal reinforcing between plastic tube parietal layer 1 forms structural pipe wall, and this metal reinforcing is for being processed into the extension section bar of the cross sectional shape with arc evagination by steel band 2.
The utility model shown in Fig. 3 and Fig. 4 is for having the magnifying state of crossing plastic-steel belt of arc evagination metal reinforcing helical bellows.The outer surface of crossing steel band 2 in plastic-steel belt is all set to rough surface 3 by one or more techniques such as sandblast, shot-peening, annular knurl, burn into drilling processing, punch press processing.In described rough surface 3, can also be provided with blind hole and/or groove structure (not shown) in compartment of terrain, to increase surperficial degree of roughness.Rough surface 3 in steel band 2 peripheries is coated with one deck hot melt adhesive layer 5 to closely bond mode.
embodiment 2
On the basis of embodiment 1, in the rough surface 3 of steel band 2, further also interval shape is provided with the through hole 4 that connects steel band 2 relative both side surface, while making on the rough surface 3 of steel band 2 bonding coating hot melt adhesive layer 5, the hot melt adhesive layer 5 of these through hole 4 opposite two ends can, by the through hole 4 formation overall structure that mutually combines, further improve the adhesion-tight of hot melt adhesive layer 5 in steel strip surface.
Claims (4)
1. cross plastic-steel belt, there is the cross sectional shape of arc evagination and be arranged between inside and outside plastic tube parietal layer (1) with hot melting way spiral winding, there is a hot melt adhesive layer (5) the steel band (2) engaging with plastic tube parietal layer (1) hot melt is surface-coated, it is characterized by: at steel band (2), be set to concavo-convex rough surface (3) with at least a portion surface that plastic tube parietal layer (1) hot melt engages.
2. the plastic-steel belt of crossing as claimed in claim 1, is characterized by: whole hot melt composition surfaces of described steel band (2) are rough surface (3).
3. the plastic-steel belt of crossing as claimed in claim 1 or 2, is characterized by: in the rough surface (3) of described steel band (2), include blind hole or groove structure.
4. the plastic-steel belt of crossing as claimed in claim 1 or 2, is characterized by: in the rough surface (3) of described steel band (2), include through hole (4) structure that connects the relative both side surface of steel band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231905.5U CN203831877U (en) | 2014-05-08 | 2014-05-08 | Plastic laminated steel belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231905.5U CN203831877U (en) | 2014-05-08 | 2014-05-08 | Plastic laminated steel belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203831877U true CN203831877U (en) | 2014-09-17 |
Family
ID=51509759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420231905.5U Expired - Fee Related CN203831877U (en) | 2014-05-08 | 2014-05-08 | Plastic laminated steel belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203831877U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135084A (en) * | 2015-09-25 | 2015-12-09 | 徐胜 | PE (polyethylene) double-wall corrugated pipe provided with steel hoop reinforcement structure and applied to underground drainage |
| CN105751625A (en) * | 2016-03-31 | 2016-07-13 | 海鑫国际精密通讯器件（南通）有限公司 | Punched nickel plated plastic steel belt |
| CN108468875A (en) * | 2018-06-04 | 2018-08-31 | 谭连平 | A kind of steel plastic compount steady state pipe |
| CN109578751A (en) * | 2018-12-05 | 2019-04-05 | 江苏百安居管业有限公司 | Pvc pipe with fireproof heat insulating |
| CN110056718A (en) * | 2019-05-27 | 2019-07-26 | 四川胜煌创世管业有限公司 | High abrasion composite reinforced polyethylene structure wall winding tube and its manufacturing method |
| CN113028156A (en) * | 2021-04-13 | 2021-06-25 | 安徽韵通塑业科技有限公司 | Steel strip reinforced spiral corrugated pipe and production process thereof |
-
2014
- 2014-05-08 CN CN201420231905.5U patent/CN203831877U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135084A (en) * | 2015-09-25 | 2015-12-09 | 徐胜 | PE (polyethylene) double-wall corrugated pipe provided with steel hoop reinforcement structure and applied to underground drainage |
| CN105751625A (en) * | 2016-03-31 | 2016-07-13 | 海鑫国际精密通讯器件（南通）有限公司 | Punched nickel plated plastic steel belt |
| CN108468875A (en) * | 2018-06-04 | 2018-08-31 | 谭连平 | A kind of steel plastic compount steady state pipe |
| CN109578751A (en) * | 2018-12-05 | 2019-04-05 | 江苏百安居管业有限公司 | Pvc pipe with fireproof heat insulating |
| CN110056718A (en) * | 2019-05-27 | 2019-07-26 | 四川胜煌创世管业有限公司 | High abrasion composite reinforced polyethylene structure wall winding tube and its manufacturing method |
| CN113028156A (en) * | 2021-04-13 | 2021-06-25 | 安徽韵通塑业科技有限公司 | Steel strip reinforced spiral corrugated pipe and production process thereof |
| CN113028156B (en) * | 2021-04-13 | 2024-04-19 | 安徽韵通塑业科技有限公司 | Steel band reinforced spiral corrugated pipe and production process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20150508 |
|
| EXPY | Termination of patent right or utility model |