JPH0444147B2 - - Google Patents
Info
- Publication number
- JPH0444147B2 JPH0444147B2 JP63164200A JP16420088A JPH0444147B2 JP H0444147 B2 JPH0444147 B2 JP H0444147B2 JP 63164200 A JP63164200 A JP 63164200A JP 16420088 A JP16420088 A JP 16420088A JP H0444147 B2 JPH0444147 B2 JP H0444147B2
- Authority
- JP
- Japan
- Prior art keywords
- seat ring
- valve
- elastic body
- tetrafluoroethylene
- skin layer
- 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
Links
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 230000001054 cortical effect Effects 0.000 description 9
- 239000004809 Teflon Substances 0.000 description 7
- 229920006362 Teflon® Polymers 0.000 description 7
- 239000012528 membrane Substances 0.000 description 7
- 239000000945 filler Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 239000003566 sealing material Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 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
- 239000000463 material Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- PYVHTIWHNXTVPF-UHFFFAOYSA-N F.F.F.F.C=C Chemical compound F.F.F.F.C=C PYVHTIWHNXTVPF-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000035936 sexual power Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Lift Valve (AREA)
- Laminated Bodies (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 JPH0217273A (ja) | 1990-01-22 |
| JPH0444147B2 true JPH0444147B2 (lv) | 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 (lv) |
Cited By (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 (lv) * | 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 (lv) * | 1976-08-27 | 1978-03-22 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0217273A (ja) | 1990-01-22 |
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