IT1002147B - Valvola regolatrice di pressione con molla pre caricata specialmen te indicata per estrusori a vite - Google Patents

Valvola regolatrice di pressione con molla pre caricata specialmen te indicata per estrusori a vite

Info

Publication number
IT1002147B
IT1002147B IT3196873A IT3196873A IT1002147B IT 1002147 B IT1002147 B IT 1002147B IT 3196873 A IT3196873 A IT 3196873A IT 3196873 A IT3196873 A IT 3196873A IT 1002147 B IT1002147 B IT 1002147B
Authority
IT
Italy
Prior art keywords
regulating valve
pressure regulating
especially suitable
screw extruders
loaded spring
Prior art date
Application number
IT3196873A
Other languages
English (en)
Italian (it)
Original Assignee
Demag Gmbh
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 Gmbh filed Critical Demag Gmbh
Application granted granted Critical
Publication of IT1002147B publication Critical patent/IT1002147B/it

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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
IT3196873A 1972-12-23 1973-11-30 Valvola regolatrice di pressione con molla pre caricata specialmen te indicata per estrusori a vite IT1002147B (it)

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
IT1002147B true IT1002147B (it) 1976-05-20

Family

ID=5865336

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3196873A IT1002147B (it) 1972-12-23 1973-11-30 Valvola regolatrice di pressione con molla pre caricata specialmen te indicata per estrusori a vite

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GB1414738A (en) 1975-11-19
DE2263221A1 (de) 1974-06-27
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

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