FR2121628A1 - Hydraulic system - for injection moulding closing cylinders with common relief valve system - Google Patents

Hydraulic system - for injection moulding closing cylinders with common relief valve system

Info

Publication number
FR2121628A1
FR2121628A1 FR7200340A FR7200340A FR2121628A1 FR 2121628 A1 FR2121628 A1 FR 2121628A1 FR 7200340 A FR7200340 A FR 7200340A FR 7200340 A FR7200340 A FR 7200340A FR 2121628 A1 FR2121628 A1 FR 2121628A1
Authority
FR
France
Prior art keywords
relief valve
injection moulding
closing cylinders
valve system
hydraulic system
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
FR7200340A
Other languages
English (en)
French (fr)
Other versions
FR2121628B1 (OSRAM
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.)
PLAST ELASTVERARBEITUNGSMASCH
Original Assignee
PLAST ELASTVERARBEITUNGSMASCH
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 PLAST ELASTVERARBEITUNGSMASCH filed Critical PLAST ELASTVERARBEITUNGSMASCH
Publication of FR2121628A1 publication Critical patent/FR2121628A1/fr
Application granted granted Critical
Publication of FR2121628B1 publication Critical patent/FR2121628B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/67—Mould opening, closing or clamping devices hydraulic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR7200340A 1971-01-08 1972-01-06 Hydraulic system - for injection moulding closing cylinders with common relief valve system Granted FR2121628A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD15242271 1971-01-08

Publications (2)

Publication Number Publication Date
FR2121628A1 true FR2121628A1 (en) 1972-08-25
FR2121628B1 FR2121628B1 (OSRAM) 1977-04-01

Family

ID=5483342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7200340A Granted FR2121628A1 (en) 1971-01-08 1972-01-06 Hydraulic system - for injection moulding closing cylinders with common relief valve system

Country Status (8)

Country Link
AT (1) AT323396B (OSRAM)
CS (1) CS170844B1 (OSRAM)
DE (1) DE2160556C3 (OSRAM)
FR (1) FR2121628A1 (OSRAM)
HU (1) HU170615B (OSRAM)
SE (1) SE367958B (OSRAM)
SU (1) SU531478A3 (OSRAM)
YU (1) YU35184B (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4228599B4 (de) * 1991-09-11 2004-08-19 Bosch Rexroth Ag Hydraulikkreis für die Versorgung mehrerer, seriell betriebener Verbraucher einer hydraulisch gesteuerten Anlage
DE102008009722B4 (de) * 2008-02-19 2012-08-23 Marco Systemanalyse Und Entwicklung Gmbh Ventilanordnung
CN102536194B (zh) * 2011-12-13 2014-05-28 中国石油集团长城钻探工程有限公司 一种液压驱动的恒钻压自动送钻控制系统
CN108679024B (zh) * 2018-06-04 2020-12-11 安徽瑞铁轨道装备有限公司 一种用于多条油路控制的ng型液控换向阀

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2121628B1 (OSRAM) 1977-04-01
YU35184B (en) 1980-09-25
DE2160556B2 (de) 1979-11-22
DE2160556C3 (de) 1980-08-07
SE367958B (OSRAM) 1974-06-17
AT323396B (de) 1975-07-10
YU3772A (en) 1980-03-15
HU170615B (OSRAM) 1977-07-28
SU531478A3 (ru) 1976-10-05
DE2160556A1 (de) 1972-07-20
CS170844B1 (OSRAM) 1976-09-15

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse