JPS6346306B2 - - Google Patents
Info
- Publication number
- JPS6346306B2 JPS6346306B2 JP16478083A JP16478083A JPS6346306B2 JP S6346306 B2 JPS6346306 B2 JP S6346306B2 JP 16478083 A JP16478083 A JP 16478083A JP 16478083 A JP16478083 A JP 16478083A JP S6346306 B2 JPS6346306 B2 JP S6346306B2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- shaped core
- elastic material
- upper mold
- butterfly valve
- 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
Links
- 239000013013 elastic material Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000011800 void material Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16478083A JPS6057064A (ja) | 1983-09-06 | 1983-09-06 | バタフライ弁のシ−トリングおよびその成型方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16478083A JPS6057064A (ja) | 1983-09-06 | 1983-09-06 | バタフライ弁のシ−トリングおよびその成型方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6057064A JPS6057064A (ja) | 1985-04-02 |
| JPS6346306B2 true JPS6346306B2 (show.php) | 1988-09-14 |
Family
ID=15799801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16478083A Granted JPS6057064A (ja) | 1983-09-06 | 1983-09-06 | バタフライ弁のシ−トリングおよびその成型方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6057064A (show.php) |
-
1983
- 1983-09-06 JP JP16478083A patent/JPS6057064A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6057064A (ja) | 1985-04-02 |
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