FR2453722A1 - IMPROVED INJECTION UNIT FOR A MOLDING MACHINE FOR SYNTHETIC MATERIALS - Google Patents

IMPROVED INJECTION UNIT FOR A MOLDING MACHINE FOR SYNTHETIC MATERIALS

Info

Publication number
FR2453722A1
FR2453722A1 FR8007343A FR8007343A FR2453722A1 FR 2453722 A1 FR2453722 A1 FR 2453722A1 FR 8007343 A FR8007343 A FR 8007343A FR 8007343 A FR8007343 A FR 8007343A FR 2453722 A1 FR2453722 A1 FR 2453722A1
Authority
FR
France
Prior art keywords
synthetic materials
molding machine
injection unit
pistons
improved 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
FR8007343A
Other languages
French (fr)
Other versions
FR2453722B1 (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.)
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of FR2453722A1 publication Critical patent/FR2453722A1/en
Application granted granted Critical
Publication of FR2453722B1 publication Critical patent/FR2453722B1/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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • 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)

Abstract

L'INVENTION CONCERNE UN GROUPE D'INJECTION PERFECTIONNE POUR MACHINE A MOULER LES MATIERES SYNTHETIQUES, DONT LA COURSE D'INJECTION PEUT ETRE REGLEE, AU CHOIX DE L'UTILISATEUR, SOIT PAR VANNES PROPORTIONNELLES 42, 43, SOIT, EN PARTICULIER POUR LES MACHINES SOUMISES A DE GROS EFFORTS, PAR DISTRIBUTEUR ASSERVI. A CETTE FIN, LES UNITES HYDRAULIQUES A CYLINDRES ET PISTONS 1A, 25A APPROPRIEES A LA COMMANDE PAR VANNES PROPORTIONNELLES, PRODUISANT LA COURSE D'INJECTION, COMPORTENT DES PISTONS 25A ET DES CULASSES ARRIERES 34 DE CYLINDRES HYDRAULIQUES AISEMENT REMPLACABLES PAR DES ELEMENTS IDENTIQUES MAIS DIFFEREMMENT CONFORMES APPROPRIES A LA COMMANDE PAR DISTRIBUTEUR ASSERVI. CE DISPOSITIF PERMET DE SIMPLIFIER LES PROGRAMMES DE FABRICATION ET D'EN ABAISSER LE PRIX.THE INVENTION CONCERNS AN INJECTION GROUP PERFECTED FOR MACHINE FOR MOLDING SYNTHETIC MATERIALS, THE INJECTION STROKE OF WHICH CAN BE ADJUSTED, AT THE CHOICE OF THE USER, EITHER BY PROPORTIONAL VALVES 42, 43, EITHER, IN PARTICULAR FOR MACHINES SUBJECT TO GREAT EFFORTS, BY SLABED DISTRIBUTOR. TO THIS END, THE HYDRAULIC UNITS WITH CYLINDERS AND PISTONS 1A, 25A SUITABLE FOR CONTROL BY PROPORTIONAL VALVES, PRODUCING THE INJECTION STROKE, HAVE 25A PISTONS AND REAR CYLINDER HEADS 34 OF EASILY CONFORMING TO REPLACEMENT BY CONFORMING HYDRAULIC CYLINDERS, EASILY REPLACED BY CONSTRUCTION SUITABLE FOR ORDERING BY SLAB DISTRIBUTOR. THIS DEVICE MAKES IT SIMPLIFY MANUFACTURING PROGRAMS AND REDUCE THE PRICE.

FR8007343A 1979-04-10 1980-04-01 IMPROVED INJECTION UNIT FOR A MOLDING MACHINE FOR SYNTHETIC MATERIALS Granted FR2453722A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2914472A DE2914472C2 (en) 1979-04-10 1979-04-10 Injection unit of a plastic injection molding machine

Publications (2)

Publication Number Publication Date
FR2453722A1 true FR2453722A1 (en) 1980-11-07
FR2453722B1 FR2453722B1 (en) 1984-03-23

Family

ID=6067976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8007343A Granted FR2453722A1 (en) 1979-04-10 1980-04-01 IMPROVED INJECTION UNIT FOR A MOLDING MACHINE FOR SYNTHETIC MATERIALS

Country Status (8)

Country Link
JP (1) JPS55140538A (en)
AT (1) AT370678B (en)
CA (1) CA1150460A (en)
DE (1) DE2914472C2 (en)
FR (1) FR2453722A1 (en)
GB (1) GB2048156B (en)
IT (1) IT1141562B (en)
NL (1) NL8002059A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3447605C1 (en) * 1984-12-28 1986-05-07 Karl 7298 Loßburg Hehl Hydraulic device for the injection molding unit of a plastic injection molding machine
DE4446412A1 (en) * 1994-12-23 1996-06-27 Strunz Heinrich Gmbh & Co Kg Roof window for angled or flat roof
CN107008875B (en) * 2017-04-12 2022-07-05 宣化钢铁集团有限责任公司 Device for realizing double operation modes of billet continuous casting machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2187532A2 (en) * 1972-06-03 1974-01-18 Hehl Karl
FR2317084A1 (en) * 1975-06-28 1977-02-04 Hehl Karl CONTROL DEVICE FOR THE HYDRAULIC CIRCUIT OF AN INJECTION PRESS

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7143319U (en) * 1970-04-25 1972-03-16 Hehl K Injection unit for an injection molding machine for processing plastics
DE7046626U (en) * 1970-12-17 1971-03-25 Stuebbe Maschinenfab Gmbh Injection unit for injection molding machines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2187532A2 (en) * 1972-06-03 1974-01-18 Hehl Karl
FR2317084A1 (en) * 1975-06-28 1977-02-04 Hehl Karl CONTROL DEVICE FOR THE HYDRAULIC CIRCUIT OF AN INJECTION PRESS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
\LHYDRAULIK UND PNEUMATIK, vol. 19, no. 9, septembre 1975 MAINZ (DE) *

Also Published As

Publication number Publication date
IT8021295A0 (en) 1980-04-10
AT370678B (en) 1983-04-25
FR2453722B1 (en) 1984-03-23
GB2048156B (en) 1983-02-16
DE2914472C2 (en) 1982-09-16
IT1141562B (en) 1986-10-01
GB2048156A (en) 1980-12-10
CA1150460A (en) 1983-07-26
JPS55140538A (en) 1980-11-04
DE2914472A1 (en) 1980-10-16
ATA193980A (en) 1982-09-15
NL8002059A (en) 1980-10-14

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Legal Events

Date Code Title Description
ST Notification of lapse