KR940004896B1 - 압축 성형기에 있어서의 이중 실린더 구조물 - Google Patents
압축 성형기에 있어서의 이중 실린더 구조물 Download PDFInfo
- Publication number
- KR940004896B1 KR940004896B1 KR1019900014339A KR900014339A KR940004896B1 KR 940004896 B1 KR940004896 B1 KR 940004896B1 KR 1019900014339 A KR1019900014339 A KR 1019900014339A KR 900014339 A KR900014339 A KR 900014339A KR 940004896 B1 KR940004896 B1 KR 940004896B1
- Authority
- KR
- South Korea
- Prior art keywords
- ram
- oil reservoir
- oil
- rod
- check 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 - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Actuator (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1-237966 | 1989-09-12 | ||
| JP1237986A JPH0616956B2 (ja) | 1989-09-12 | 1989-09-12 | 圧縮成形機における二重シリンダー構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910005988A KR910005988A (ko) | 1991-04-27 |
| KR940004896B1 true KR940004896B1 (ko) | 1994-06-04 |
Family
ID=17023423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900014339A Expired - Lifetime KR940004896B1 (ko) | 1989-09-12 | 1990-09-12 | 압축 성형기에 있어서의 이중 실린더 구조물 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5038669A (enExample) |
| JP (1) | JPH0616956B2 (enExample) |
| KR (1) | KR940004896B1 (enExample) |
| DE (1) | DE4020761A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5233909A (en) * | 1992-07-21 | 1993-08-10 | Decatur Cylinder, Inc. | Integral regenerative fluid system |
| IT1304947B1 (it) * | 1997-11-17 | 2001-04-05 | Mirage Ceramica Spa | Pressa per la formatura di piastrelle o lastre, ceramiche,particolarmente di rilevanti dimensioni |
| CN111102268B (zh) * | 2019-12-30 | 2021-08-27 | 山东金利液压科技有限公司 | 一种油缸 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2539361A (en) * | 1947-04-05 | 1951-01-23 | American Steel Foundries | Hydraulic circuit for operating hydraulic motors |
| US3084512A (en) * | 1958-03-10 | 1963-04-09 | Koehring Co | Hydraulic molding machines |
| US3710689A (en) * | 1971-01-25 | 1973-01-16 | Deere & Co | Hydraulic steering system |
| DE2946765C2 (de) * | 1979-11-20 | 1986-04-30 | Thyssen Industrie Ag, 4300 Essen | Entsperrbares Rückschlagventil |
-
1989
- 1989-09-12 JP JP1237986A patent/JPH0616956B2/ja not_active Expired - Lifetime
-
1990
- 1990-06-29 US US07/546,033 patent/US5038669A/en not_active Expired - Lifetime
- 1990-06-29 DE DE4020761A patent/DE4020761A1/de active Granted
- 1990-09-12 KR KR1019900014339A patent/KR940004896B1/ko not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR910005988A (ko) | 1991-04-27 |
| JPH0616956B2 (ja) | 1994-03-09 |
| DE4020761C2 (enExample) | 1992-06-11 |
| US5038669A (en) | 1991-08-13 |
| DE4020761A1 (de) | 1991-03-14 |
| JPH0399797A (ja) | 1991-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19900912 |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19931203 Patent event code: PE09021S01D |
|
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19940513 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19940824 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19941024 Patent event code: PR07011E01D |
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| PR1002 | Payment of registration fee |
Payment date: 19941024 End annual number: 3 Start annual number: 1 |
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| PR1001 | Payment of annual fee |
Payment date: 19970429 Start annual number: 4 End annual number: 4 |
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| PR1001 | Payment of annual fee |
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| FPAY | Annual fee payment |
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| PR1001 | Payment of annual fee |
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| EXPY | Expiration of term | ||
| PC1801 | Expiration of term |