JPH0331560B2 - - Google Patents
Info
- Publication number
- JPH0331560B2 JPH0331560B2 JP7648082A JP7648082A JPH0331560B2 JP H0331560 B2 JPH0331560 B2 JP H0331560B2 JP 7648082 A JP7648082 A JP 7648082A JP 7648082 A JP7648082 A JP 7648082A JP H0331560 B2 JPH0331560 B2 JP H0331560B2
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- control piston
- pressure
- sealing valve
- main control
- 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
- 238000007789 sealing Methods 0.000 claims description 30
- 230000013011 mating Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 238000013016 damping Methods 0.000 description 4
- 230000001934 delay Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/02—Die-cushions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Fluid-Damping Devices (AREA)
- Safety Valves (AREA)
- Control Of Presses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD21D/22977 | 1981-05-07 | ||
DD22977981A DD158861B1 (de) | 1981-05-07 | 1981-05-07 | Druckbegrenzungsventil für hydropneumatische Ziehkissen |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5830567A JPS5830567A (ja) | 1983-02-23 |
JPH0331560B2 true JPH0331560B2 (de) | 1991-05-07 |
Family
ID=5530779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7648082A Granted JPS5830567A (ja) | 1981-05-07 | 1982-05-07 | 液圧−空気式絞り用パツドのリリ−フ弁 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5830567A (de) |
DD (1) | DD158861B1 (de) |
DE (1) | DE3212921A1 (de) |
FR (1) | FR2505436A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104175595B (zh) * | 2014-07-22 | 2016-04-06 | 佛山市顺德区荣兴锻压设备有限公司 | 内部带双导向杆的压力机双级模垫 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD73020A (de) * |
-
1981
- 1981-05-07 DD DD22977981A patent/DD158861B1/de not_active IP Right Cessation
-
1982
- 1982-04-07 DE DE19823212921 patent/DE3212921A1/de active Granted
- 1982-05-05 FR FR8207783A patent/FR2505436A1/fr active Granted
- 1982-05-07 JP JP7648082A patent/JPS5830567A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2505436A1 (fr) | 1982-11-12 |
DE3212921C2 (de) | 1990-05-31 |
JPS5830567A (ja) | 1983-02-23 |
DD158861A1 (de) | 1983-02-09 |
DD158861B1 (de) | 1986-04-23 |
FR2505436B3 (de) | 1984-03-23 |
DE3212921A1 (de) | 1982-12-02 |
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