CN203223664U - PTFE (Poly Tetra Fluoro Ethylene) bellows - Google Patents
PTFE (Poly Tetra Fluoro Ethylene) bellows Download PDFInfo
- Publication number
- CN203223664U CN203223664U CN 201320122145 CN201320122145U CN203223664U CN 203223664 U CN203223664 U CN 203223664U CN 201320122145 CN201320122145 CN 201320122145 CN 201320122145 U CN201320122145 U CN 201320122145U CN 203223664 U CN203223664 U CN 203223664U
- Authority
- CN
- China
- Prior art keywords
- bellows
- ptfe
- asbestos
- fluoro ethylene
- tetra fluoro
- 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
Links
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 18
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 18
- 229940058401 polytetrafluoroethylene Drugs 0.000 title abstract 7
- 239000010425 asbestos Substances 0.000 claims abstract description 15
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 15
- 238000009954 braiding Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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- Laminated Bodies (AREA)
Abstract
The utility model relates to a PTFE (Poly Tetra Fluoro Ethylene) bellows which is characterized by comprising a pipe body (1), wherein the outer layer of the pipe body (1) is covered with an asbestos braided strap layer (2); and the asbestos braided strap layer (2) is formed by carrying out warp and weft braiding on at least two asbestos tapes. According to the PTFE bellows, the outer layer of the pipe body of the PTFE bellows is covered with one asbestos braided strap layer, so that intensity of the bellows is improved, the bellows has the effects of corrosion resistance, sound insulation, insulation and fire prevention, and quality of the PTFE bellows is improved.
Description
Technical field
The utility model relates to a kind of PTFE bellows (polytetrafluoroethylbellows bellows), is used among the oil pipe of aircraft.
Background technique
Aboard, because the bellows anti seismic efficiency is good, the intensity height, so bellows often is used in the oil pipe of aircraft.Yet bellows decay resistance in the past is relatively poor, and sound insulation insulation and fireproof performance are relatively poor, break easily after long-term the use, thus the security incident of causing.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of corrosion resistance strong, sound insulation insulation, and fireproof performance PTFE bellows preferably.
The purpose of this utility model is achieved in that
The utility model PTFE bellows comprises body, and the skin of described body is coated with one deck asbestos braiding belt, and described asbestos braiding belt is formed by at least two asbestos yarn longitude and latitude braidings.
Compared with prior art, the beneficial effects of the utility model are:
This PTFE bellows coats one deck asbestos braiding belt by the skin at the polytetrafluoroethylbellows bellows body, thereby improves the intensity of bellows, and it is corrosion-resistant that it is had, and sound insulation is insulated, and the frpf effect, has improved the quality of PTFE bellows.
Description of drawings
Fig. 1 is the shape assumption diagram of the utility model PTFE bellows.
Fig. 2 is the sectional drawing of the utility model PTFE bellows.
Wherein: body 1, asbestos braiding belt 2.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of PTFE bellows that the utility model relates to, comprise body 1, the skin of described body 1 is coated with one deck asbestos braiding belt 2, described asbestos braiding belt 2 is formed by at least two asbestos yarn longitude and latitude braidings, can improve the intensity of bellows, and can be enough high pressure resistant, the quality of PTFE bellows improved effectively.
Claims (1)
1. PTFE bellows, it is characterized in that: it comprises body (1), and the skin of described body (1) is coated with one deck asbestos braiding belt (2), and described asbestos braiding belts (2) are formed by at least two asbestos yarn longitudes and latitudes braidings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122145 CN203223664U (en) | 2013-03-18 | 2013-03-18 | PTFE (Poly Tetra Fluoro Ethylene) bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122145 CN203223664U (en) | 2013-03-18 | 2013-03-18 | PTFE (Poly Tetra Fluoro Ethylene) bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203223664U true CN203223664U (en) | 2013-10-02 |
Family
ID=49250668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320122145 Expired - Fee Related CN203223664U (en) | 2013-03-18 | 2013-03-18 | PTFE (Poly Tetra Fluoro Ethylene) bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203223664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386703A (en) * | 2018-03-28 | 2018-08-10 | 江苏兰菱机电科技有限公司 | A kind of lathe bellows |
-
2013
- 2013-03-18 CN CN 201320122145 patent/CN203223664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386703A (en) * | 2018-03-28 | 2018-08-10 | 江苏兰菱机电科技有限公司 | A kind of lathe bellows |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20180318 |