CN201155622Y - Self-fusion type aluminium-plastic composite pipe - Google Patents
Self-fusion type aluminium-plastic composite pipe Download PDFInfo
- Publication number
- CN201155622Y CN201155622Y CNU200720073466XU CN200720073466U CN201155622Y CN 201155622 Y CN201155622 Y CN 201155622Y CN U200720073466X U CNU200720073466X U CN U200720073466XU CN 200720073466 U CN200720073466 U CN 200720073466U CN 201155622 Y CN201155622 Y CN 201155622Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- polypropylene
- plastic composite
- aluminum pipe
- type aluminium
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a self-fluxed aluminum plastic laminated tube that consists of an inner polypropylene pipe 1, an outer polypropylene pipe 3 and a middle aluminum pipe. The utility model is characterized in that the middle aluminum pipe is densely covered with fabrication holes 2A. The inner and the outer layers of polypropylene material can be adhered to each other via the fabrication holes, so three layers of the pipes can be closely bond together without additional adhesive applied among the inner polypropylene pipe, the aluminum pipe and the outer polypropylene pipe, thus saving auxiliary material greatly, simplifying technology and saving energy.
Description
Technical field
The utility model relates to a kind of hot and cold water polypropylene pipe system, presses outer welded-connecting type aluminium-plastic composite pipe in being specifically related to.
Background technique
The present outer welded-connecting type aluminium-plastic composite pipe of middle pressure generally all adopts two strata acrylic tubings, and central folder one deck aluminum pipe adopts hot melt adhesive bonding between polypropylene tube and aluminum pipe.This arts demand adopts hot melt adhesive, complex process, equipment complexity, cost height.
Summary of the invention
The purpose of this utility model is to propose a kind of from molten type aluminium-plastic composite pipe, by stamp auxiliary hole on aluminum pipe, makes the hole of internal and external layer polypropylene pipe by gathering on the aluminum pipe of molten state, and is bonding voluntarily, to overcome the deficiencies in the prior art.
Of the present utility model a kind of from molten type aluminium-plastic composite pipe, by manage 1 in the polypropylene, polypropylene outer tube 3 forms with the aluminum pipe 2 in middle level, it is characterized in that: on the aluminum pipe of described middle level, be equipped with densely covered auxiliary hole 2A.
Advantage of the present utility model is by offering auxiliary hole on aluminum pipe, make the polypropylene material of internal and external layer inter-adhesive, thereby can no longer need in polypropylene, manage and aluminum pipe between and between aluminum pipe and polypropylene outer tube, add binder again, 3 layers of pipe are tightly combined.Thereby can save auxiliary material greatly, simplify technology, energy saving.
Description of drawings
Now the utility model is described in further detail in conjunction with an embodiment and accompanying drawing thereof.
Fig. 1 is an an embodiment's of the present utility model structural representation.
Embodiment
An embodiment of the present utility model as shown in Figure 1.
Tubing is by managing 1 in the polypropylene, polypropylene outer tube 3 and the aluminum pipe between inner and outer pipes 2 are formed.The densely covered many auxiliary hole 2A of processing earlier on described aluminum pipe.Aluminum pipe 2 is to punch on aluminium strip earlier, then pipe crimping and carry out ultra-sonic welded on production line.The inside and outside polypropylene tube of while heat extrusion compacting, last Vacuum shaping.
Al zone thickness can adopt 1.2-1.5mm.φ 3-5 can be adopted in the auxiliary hole aperture, adopts tubing of the present utility model, and when external diameter was 25mm, pressure can reach 32MPa.
Claims (3)
1. a certainly molten type aluminium-plastic composite pipe is made up of with the aluminum pipe (2) in middle level pipe (1), polypropylene outer tube (3) in the polypropylene, it is characterized in that: be equipped with densely covered auxiliary hole (2A) on the aluminum pipe of described middle level.
2. according to claim 1 from molten type aluminium-plastic composite pipe, it is characterized in that: described aluminum pipe (2) adopts thickness to form for the weldering of 1.2-1.5mm aluminium strip volume.
3. according to claim 1 and 2 from molten type aluminium-plastic composite pipe, it is characterized in that: the diameter of the auxiliary hole on the described aluminum pipe is φ 3-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720073466XU CN201155622Y (en) | 2007-08-10 | 2007-08-10 | Self-fusion type aluminium-plastic composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720073466XU CN201155622Y (en) | 2007-08-10 | 2007-08-10 | Self-fusion type aluminium-plastic composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201155622Y true CN201155622Y (en) | 2008-11-26 |
Family
ID=40103405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720073466XU Expired - Fee Related CN201155622Y (en) | 2007-08-10 | 2007-08-10 | Self-fusion type aluminium-plastic composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201155622Y (en) |
-
2007
- 2007-08-10 CN CNU200720073466XU patent/CN201155622Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20110810 |