DE2263221A1 - Druckeinstellventil, insbesondere fuer schneckenspritzgiessmaschinen - Google Patents
Druckeinstellventil, insbesondere fuer schneckenspritzgiessmaschinenInfo
- Publication number
- DE2263221A1 DE2263221A1 DE19722263221 DE2263221A DE2263221A1 DE 2263221 A1 DE2263221 A1 DE 2263221A1 DE 19722263221 DE19722263221 DE 19722263221 DE 2263221 A DE2263221 A DE 2263221A DE 2263221 A1 DE2263221 A1 DE 2263221A1
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- valve
- spring
- medium
- piston
- 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.)
- Pending
Links
- 238000001746 injection moulding Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000036316 preload Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/82—Hydraulic or pneumatic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722263221 DE2263221A1 (de) | 1972-12-23 | 1972-12-23 | Druckeinstellventil, insbesondere fuer schneckenspritzgiessmaschinen |
| CH1592773A CH555567A (de) | 1972-12-23 | 1973-11-12 | Druckeinstellventil, insbesondere fuer schneckenspritzgiessmaschinen. |
| AT952473A AT353470B (de) | 1972-12-23 | 1973-11-13 | Vorgesteuertes druckeinstellventil zur steuerung des druckes in einem stroemenden medium |
| NL7315713A NL7315713A (enrdf_load_stackoverflow) | 1972-12-23 | 1973-11-16 | |
| IT3196873A IT1002147B (it) | 1972-12-23 | 1973-11-30 | Valvola regolatrice di pressione con molla pre caricata specialmen te indicata per estrusori a vite |
| GB5629573A GB1414738A (en) | 1972-12-23 | 1973-12-05 | Pressure adjustment valve |
| FR7344619A FR2327464A1 (fr) | 1972-12-23 | 1973-12-13 | Soupape de reglage de la pression, notamment pour presse a injection a vis pour les matieres plastiques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722263221 DE2263221A1 (de) | 1972-12-23 | 1972-12-23 | Druckeinstellventil, insbesondere fuer schneckenspritzgiessmaschinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2263221A1 true DE2263221A1 (de) | 1974-06-27 |
Family
ID=5865336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722263221 Pending DE2263221A1 (de) | 1972-12-23 | 1972-12-23 | Druckeinstellventil, insbesondere fuer schneckenspritzgiessmaschinen |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT353470B (enrdf_load_stackoverflow) |
| CH (1) | CH555567A (enrdf_load_stackoverflow) |
| DE (1) | DE2263221A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2327464A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1414738A (enrdf_load_stackoverflow) |
| IT (1) | IT1002147B (enrdf_load_stackoverflow) |
| NL (1) | NL7315713A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3327947A1 (de) * | 1983-08-03 | 1985-02-21 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulische steuereinrichtung |
| AT390761B (de) * | 1988-07-18 | 1990-06-25 | Engel Gmbh Maschbau | Einspritzaggregat fuer spritzgiessmaschinen |
| CN110001020B (zh) * | 2019-04-01 | 2024-11-08 | 温岭市横峰新沃机械厂 | 一种预料发泡注射机 |
-
1972
- 1972-12-23 DE DE19722263221 patent/DE2263221A1/de active Pending
-
1973
- 1973-11-12 CH CH1592773A patent/CH555567A/xx not_active IP Right Cessation
- 1973-11-13 AT AT952473A patent/AT353470B/de not_active IP Right Cessation
- 1973-11-16 NL NL7315713A patent/NL7315713A/xx not_active Application Discontinuation
- 1973-11-30 IT IT3196873A patent/IT1002147B/it active
- 1973-12-05 GB GB5629573A patent/GB1414738A/en not_active Expired
- 1973-12-13 FR FR7344619A patent/FR2327464A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1414738A (en) | 1975-11-19 |
| FR2327464B3 (enrdf_load_stackoverflow) | 1978-06-16 |
| AT353470B (de) | 1979-11-12 |
| ATA952473A (de) | 1979-04-15 |
| NL7315713A (enrdf_load_stackoverflow) | 1974-06-25 |
| CH555567A (de) | 1974-10-31 |
| FR2327464A1 (fr) | 1977-05-06 |
| IT1002147B (it) | 1976-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OHW | Rejection |