CA1171757A - Control device for the hydraulic circuit of an injection molding machine - Google Patents

Control device for the hydraulic circuit of an injection molding machine

Info

Publication number: CA1171757A
Authority: CA; Canada
Prior art keywords: pressure; valve system; proportional valve; program; pressure gauge
Prior art date: 1981-05-14
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.): Expired

Application number

CA000402395A

Other languages

English (en)

French (fr)

Inventor

Karl Hehl

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.)

Individual

Original Assignee

Individual

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.)

1981-05-14

Filing date

1982-05-06

Publication date

1984-07-31

1982-05-06 Application filed by Individual filed Critical Individual

1984-07-31 Application granted granted Critical

1984-07-31 Publication of CA1171757A publication Critical patent/CA1171757A/en

Status Expired 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/82—Hydraulic or pneumatic circuits

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Injection Moulding Of Plastics Or The Like (AREA)
Fluid-Pressure Circuits (AREA)

CA000402395A 1981-05-14 1982-05-06 Control device for the hydraulic circuit of an injection molding machine Expired CA1171757A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3119095A DE3119095C2 (de)	1981-05-14	1981-05-14	Steuervorrichtung für den hydraulischen Kreislauf einer Kunststoff-Spritzgießmaschine
DEP3119095.2		1981-05-14

Publications (1)

Publication Number	Publication Date
CA1171757A true CA1171757A (en)	1984-07-31

Family

ID=6132240

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000402395A Expired CA1171757A (en)	1981-05-14	1982-05-06	Control device for the hydraulic circuit of an injection molding machine

Country Status (9)

Country	Link
JP (1)	JPS57195633A (it)
AT (1)	AT376170B (it)
CA (1)	CA1171757A (it)
CH (1)	CH659427A5 (it)
DE (1)	DE3119095C2 (it)
FR (1)	FR2506041B1 (it)
GB (1)	GB2099610B (it)
IT (1)	IT1200573B (it)
NL (1)	NL8200963A (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4712991A (en) *	1984-12-28	1987-12-15	Karl Hehl	Hydraulic control system for injection unit of injection molding machine
US4846664A (en) *	1986-12-23	1989-07-11	Karl Hehl	Hydraulic system for the mold clamping unit of a plastics injection molding machine

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3309964C2 (de) *	1983-03-19	1985-05-23	Krauss-Maffei AG, 8000 München	Vorrichtung zum Dosieren und Mischen von zwei oder mehreren fließfähigen Kunststoff-Reaktionskomponenten
DE3447709C1 (de) *	1984-12-28	1986-04-30	Karl 7298 Loßburg Hehl	Steuervorrichtung fuer den hydraulischen Kreislauf einer Kunststoff-Spritzgiessmaschine
DE3448047A1 (de) *	1984-12-28	1986-07-03	Karl 7298 Loßburg Hehl	Hydraulikeinrichtung fuer die spritzgiesseinheit einer kunststoff-spritzgiessmaschine
US5634334A (en) *	1992-10-14	1997-06-03	Hehl; Karl	Hydraulic device for use in a production machine
DE4234647C1 (de) *	1992-10-14	1994-01-27	Karl Hehl	Hydraulikeinrichtung an einer Spritzgießmaschine für die Verarbeitung von Kunststoffen oder dergleichen
DE4335403C1 (de) *	1993-10-18	1994-12-15	Karl Hehl	Hydraulikeinrichtung
US5645775A (en) *	1995-10-04	1997-07-08	Barber-Colman Company	Adaptive controller for injection molding
DE19603251C1 (de) *	1996-01-30	1997-01-30	Battenfeld Gmbh	Verfahren und Vorrichtung zum Betreiben des hydraulischen Betriebssystems einer Kunststoffverarbeitungsmaschine
JP4510992B2 (ja) *	2000-05-10	2010-07-28	川崎油工株式会社	プレスの油圧源の制御方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1539204A (fr) *	1967-08-03	1968-09-13	Plastimonde	Perfectionnements au procédé de moulage des matières plastiques par aménagement du contrôle des opérations de déplacement du moule et du piston d'injection
GB1398275A (en) *	1971-12-28	1975-06-18	British Industrial Plastics	Injection moulding machines
US3924840A (en) *	1972-09-18	1975-12-09	Gen Electric	Viscosity control for a plastic molding machine
CH554741A (de) *	1973-02-07	1974-10-15	Netstal Ag Maschf Giesserei	Kunststoff-spritzgiessmaschine mit programmiereinrichtung.
JPS51144881A (en) *	1975-06-05	1976-12-13	Daikin Ind Ltd	Fluid system
DE2528963C2 (de) *	1975-06-28	1983-11-03	Karl 7298 Loßburg Hehl	Steuervorrichtung für den hydraulischen Kreislauf einer Spritzgießmaschine
DE2532429C3 (de) *	1975-07-19	1981-12-17	G. Bauknecht Gmbh, 7000 Stuttgart	Verfahren und Einrichtung zum Spritzgießen einer Kunststoffmasse mit veränderbarer Einspritzgeschwindigkeit
JPS5356479A (en) *	1976-11-01	1978-05-22	Daikin Ind Ltd	Fluid control device
JPS6027841B2 (ja) *	1977-12-08	1985-07-01	ダイキン工業株式会社	流体制御装置
JPS5483964A (en) *	1977-12-16	1979-07-04	Hitachi Ltd	Injection speed pattern control device for injection molding machine

1981
- 1981-05-14 DE DE3119095A patent/DE3119095C2/de not_active Expired
1982
- 1982-03-09 NL NL8200963A patent/NL8200963A/nl not_active Application Discontinuation
- 1982-03-22 IT IT20316/82A patent/IT1200573B/it active
- 1982-03-31 GB GB8209559A patent/GB2099610B/en not_active Expired
- 1982-04-16 FR FR8206624A patent/FR2506041B1/fr not_active Expired
- 1982-04-22 AT AT0157682A patent/AT376170B/de not_active IP Right Cessation
- 1982-04-28 CH CH2675/82A patent/CH659427A5/de not_active IP Right Cessation
- 1982-05-06 CA CA000402395A patent/CA1171757A/en not_active Expired
- 1982-05-13 JP JP57079293A patent/JPS57195633A/ja active Pending

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4712991A (en) *	1984-12-28	1987-12-15	Karl Hehl	Hydraulic control system for injection unit of injection molding machine
US4846664A (en) *	1986-12-23	1989-07-11	Karl Hehl	Hydraulic system for the mold clamping unit of a plastics injection molding machine

Also Published As

Publication number	Publication date
DE3119095A1 (de)	1982-12-02
FR2506041B1 (fr)	1985-12-06
DE3119095C2 (de)	1983-09-01
ATA157682A (de)	1984-03-15
AT376170B (de)	1984-10-25
CH659427A5 (de)	1987-01-30
GB2099610B (en)	1986-04-09
NL8200963A (nl)	1982-12-01
IT8220316A0 (it)	1982-03-22
IT1200573B (it)	1989-01-27
FR2506041A1 (fr)	1982-11-19
GB2099610A (en)	1982-12-08
JPS57195633A (en)	1982-12-01

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Legal Events

Date	Code	Title	Description
2001-08-01	MKEC	Expiry (correction)
2002-05-06	MKEX	Expiry