JPH0217273A - 弁のシートリングおよびその製造方法 - Google Patents
弁のシートリングおよびその製造方法Info
- Publication number
- JPH0217273A JPH0217273A JP16420088A JP16420088A JPH0217273A JP H0217273 A JPH0217273 A JP H0217273A JP 16420088 A JP16420088 A JP 16420088A JP 16420088 A JP16420088 A JP 16420088A JP H0217273 A JPH0217273 A JP H0217273A
- Authority
- JP
- Japan
- Prior art keywords
- seat ring
- valve
- skin layer
- elastic body
- tetrafluoroethylene
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 6
- 239000005060 rubber Substances 0.000 claims abstract description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 2
- 230000001054 cortical effect Effects 0.000 description 9
- 239000003566 sealing material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Laminated Bodies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16420088A JPH0217273A (ja) | 1988-06-30 | 1988-06-30 | 弁のシートリングおよびその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16420088A JPH0217273A (ja) | 1988-06-30 | 1988-06-30 | 弁のシートリングおよびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0217273A true JPH0217273A (ja) | 1990-01-22 |
| JPH0444147B2 JPH0444147B2 (en]) | 1992-07-20 |
Family
ID=15788573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16420088A Granted JPH0217273A (ja) | 1988-06-30 | 1988-06-30 | 弁のシートリングおよびその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0217273A (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012062914A (ja) * | 2010-09-14 | 2012-03-29 | Kurimoto Ltd | バタフライ弁 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5332886U (en]) * | 1976-08-27 | 1978-03-22 |
-
1988
- 1988-06-30 JP JP16420088A patent/JPH0217273A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5332886U (en]) * | 1976-08-27 | 1978-03-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0444147B2 (en]) | 1992-07-20 |
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