CH555567A - PRESSURE ADJUSTMENT VALVE, IN PARTICULAR FOR SCREW INJECTION MOLDING MACHINES. - Google Patents

PRESSURE ADJUSTMENT VALVE, IN PARTICULAR FOR SCREW INJECTION MOLDING MACHINES.

Info

Publication number
CH555567A
CH555567A CH1592773A CH1592773A CH555567A CH 555567 A CH555567 A CH 555567A CH 1592773 A CH1592773 A CH 1592773A CH 1592773 A CH1592773 A CH 1592773A CH 555567 A CH555567 A CH 555567A
Authority
CH
Switzerland
Prior art keywords
injection molding
pressure adjustment
adjustment valve
molding machines
screw injection
Prior art date
Application number
CH1592773A
Other languages
German (de)
Original Assignee
Demag Kunststofftech
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 Kunststofftech filed Critical Demag Kunststofftech
Publication of CH555567A publication Critical patent/CH555567A/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
CH1592773A 1972-12-23 1973-11-12 PRESSURE ADJUSTMENT VALVE, IN PARTICULAR FOR SCREW INJECTION MOLDING MACHINES. CH555567A (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 (1)

Publication Number Publication Date
CH555567A true CH555567A (en) 1974-10-31

Family

ID=5865336

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1592773A CH555567A (en) 1972-12-23 1973-11-12 PRESSURE ADJUSTMENT VALVE, IN PARTICULAR FOR SCREW INJECTION MOLDING MACHINES.

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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327947A1 (en) * 1983-08-03 1985-02-21 Robert Bosch Gmbh, 7000 Stuttgart HYDRAULIC CONTROL DEVICE
AT390761B (en) * 1988-07-18 1990-06-25 Engel Gmbh Maschbau Injection unit for injection-moulding machines

Also Published As

Publication number Publication date
NL7315713A (en) 1974-06-25
ATA952473A (en) 1979-04-15
GB1414738A (en) 1975-11-19
FR2327464A1 (en) 1977-05-06
AT353470B (en) 1979-11-12
IT1002147B (en) 1976-05-20
DE2263221A1 (en) 1974-06-27
FR2327464B3 (en) 1978-06-16

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Legal Events

Date Code Title Description
PL Patent ceased