CN2333842Y - Jointless polytetrafluorethylene composite water seal - Google Patents
Jointless polytetrafluorethylene composite water seal Download PDFInfo
- Publication number
- CN2333842Y CN2333842Y CN 98228710 CN98228710U CN2333842Y CN 2333842 Y CN2333842 Y CN 2333842Y CN 98228710 CN98228710 CN 98228710 CN 98228710 U CN98228710 U CN 98228710U CN 2333842 Y CN2333842 Y CN 2333842Y
- Authority
- CN
- China
- Prior art keywords
- water seal
- polytetrafluorethylene
- jointless
- composite water
- model
- 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 - Lifetime
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- Sealing Material Composition (AREA)
Abstract
The utility model provides a jointless polytetrafluorethylene composite water seal, comprising a rubber water seal and a polytetrafluorethylene plastic composite strip which is arranged on the rubber water seal. The polytetrafluorethylene plastic composite strip is a whole body. The utility model has stable work friction coefficient and safe sluice operation.
Description
The utility model relates to a kind of rubber and plastic composite water seal, particularly be a kind of jointless type teflon composite water seal.
Existing water seal is by rubber water sealing and places the axial more piece polytetrafluoroethylplastic plastic band on the rubber water sealing to combine.Because plastic tape is a more piece, thereby causes the unsettled disadvantage of friction factor in the composite water seal work.
In view of above reason, the purpose of this utility model is in order to overcome above shortcoming, the jointless type teflon composite water seal of stable friction factor in a kind of work, safety to be provided.
The purpose of this utility model is achieved in that the utility model comprises rubber water sealing, places the polytetrafluoroethylplastic plastic compound strip on the rubber water sealing, and the polytetrafluoroethylplastic plastic compound strip is an integral body (referring to Fig. 1, Fig. 2).
Be that polytetrafluoroethylplastic plastic band and rubber water sealing mold pressing is once adhesion-molded when producing this composite water seal, then the polytetrafluoroethylplastic plastic band is arbitrarily long uninterrupted, consequently the joint nowhere of the compound strip on the working surface of whole piece composite water seal.
Compare with existing water seal, the utlity model has following advantage:
1), the gate gate slot water seal seat board surface friction drag of water seal working surface further reduces, and has avoided the unsettled disadvantage of friction factor;
2), between the polytetrafluoroethylene membrane of having avoided causing owing to more piece can't be bonding, and the linear expansion coefficient of rubber and polytetrafluoroethylplastic plastic band do not wait the disadvantage that is caused, and increased working life;
3), in gate design, make the value of friction factor of water seal and its seat board accurate, increased the safety coefficient that gate moves.
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Referring to Fig. 1, Fig. 2, the polytetrafluoroethylplastic plastic compound strip 2 adhesion-molded with the rubber water sealing mold pressing arranged on rubber water sealing 1.Compound strip 2 is an integral body.
Claims (1)
1, jointless type teflon composite water seal is characterized in that composite water seal comprises rubber water sealing, places the polytetrafluoroethylplastic plastic compound strip on the rubber water sealing, and the polytetrafluoroethylplastic plastic compound strip is an integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98228710 CN2333842Y (en) | 1998-04-24 | 1998-04-24 | Jointless polytetrafluorethylene composite water seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98228710 CN2333842Y (en) | 1998-04-24 | 1998-04-24 | Jointless polytetrafluorethylene composite water seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2333842Y true CN2333842Y (en) | 1999-08-18 |
Family
ID=33978755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98228710 Expired - Lifetime CN2333842Y (en) | 1998-04-24 | 1998-04-24 | Jointless polytetrafluorethylene composite water seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2333842Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104311904A (en) * | 2014-11-07 | 2015-01-28 | 南京东润特种橡塑有限公司 | Wear-resisting water seal rubber used for high water head, and preparation method of same |
| CN104356439A (en) * | 2014-11-07 | 2015-02-18 | 南京东润特种橡塑有限公司 | Highly wear-resistant water seal rubber for ship lock,and preparation method thereof |
-
1998
- 1998-04-24 CN CN 98228710 patent/CN2333842Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104311904A (en) * | 2014-11-07 | 2015-01-28 | 南京东润特种橡塑有限公司 | Wear-resisting water seal rubber used for high water head, and preparation method of same |
| CN104356439A (en) * | 2014-11-07 | 2015-02-18 | 南京东润特种橡塑有限公司 | Highly wear-resistant water seal rubber for ship lock,and preparation method thereof |
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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 | ||
| CX01 | Expiry of patent term |