FR2327464A1 - PRESSURE ADJUSTMENT VALVE, ESPECIALLY FOR SCREW INJECTION PRESS FOR PLASTICS - Google Patents

PRESSURE ADJUSTMENT VALVE, ESPECIALLY FOR SCREW INJECTION PRESS FOR PLASTICS

Info

Publication number
FR2327464A1
FR2327464A1 FR7344619A FR7344619A FR2327464A1 FR 2327464 A1 FR2327464 A1 FR 2327464A1 FR 7344619 A FR7344619 A FR 7344619A FR 7344619 A FR7344619 A FR 7344619A FR 2327464 A1 FR2327464 A1 FR 2327464A1
Authority
FR
France
Prior art keywords
plastics
pressure adjustment
adjustment valve
injection press
screw injection
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.)
Granted
Application number
FR7344619A
Other languages
French (fr)
Other versions
FR2327464B3 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Demag Kunststofftechnik Zweigniederlassung der Demag AG
Original Assignee
Demag Kunststofftechnik Zweigniederlassung der Demag AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Demag Kunststofftechnik Zweigniederlassung der Demag AG filed Critical Demag Kunststofftechnik Zweigniederlassung der Demag AG
Publication of FR2327464A1 publication Critical patent/FR2327464A1/en
Application granted granted Critical
Publication of FR2327464B3 publication Critical patent/FR2327464B3/fr
Granted legal-status Critical Current

Links

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
FR7344619A 1972-12-23 1973-12-13 PRESSURE ADJUSTMENT VALVE, ESPECIALLY FOR SCREW INJECTION PRESS FOR PLASTICS Granted FR2327464A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722263221 DE2263221A1 (en) 1972-12-23 1972-12-23 PRESSURE ADJUSTMENT VALVE, IN PARTICULAR FOR SCREW INJECTION MOLDING MACHINES

Publications (2)

Publication Number Publication Date
FR2327464A1 true FR2327464A1 (en) 1977-05-06
FR2327464B3 FR2327464B3 (en) 1978-06-16

Family

ID=5865336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7344619A Granted FR2327464A1 (en) 1972-12-23 1973-12-13 PRESSURE ADJUSTMENT VALVE, ESPECIALLY FOR SCREW INJECTION PRESS FOR PLASTICS

Country Status (7)

Country Link
AT (1) AT353470B (en)
CH (1) CH555567A (en)
DE (1) DE2263221A1 (en)
FR (1) FR2327464A1 (en)
GB (1) GB1414738A (en)
IT (1) IT1002147B (en)
NL (1) NL7315713A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133475A2 (en) * 1983-08-03 1985-02-27 Robert Bosch Gmbh Hydraulic control device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT390761B (en) * 1988-07-18 1990-06-25 Engel Gmbh Maschbau Injection unit for injection-moulding machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133475A2 (en) * 1983-08-03 1985-02-27 Robert Bosch Gmbh Hydraulic control device
EP0133475A3 (en) * 1983-08-03 1986-06-25 Robert Bosch Gmbh Hydraulic control device

Also Published As

Publication number Publication date
FR2327464B3 (en) 1978-06-16
ATA952473A (en) 1979-04-15
CH555567A (en) 1974-10-31
DE2263221A1 (en) 1974-06-27
AT353470B (en) 1979-11-12
GB1414738A (en) 1975-11-19
NL7315713A (en) 1974-06-25
IT1002147B (en) 1976-05-20

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