FR2256823B1 - - Google Patents

Info

Publication number
FR2256823B1
FR2256823B1 FR7400224A FR7400224A FR2256823B1 FR 2256823 B1 FR2256823 B1 FR 2256823B1 FR 7400224 A FR7400224 A FR 7400224A FR 7400224 A FR7400224 A FR 7400224A FR 2256823 B1 FR2256823 B1 FR 2256823B1
Authority
FR
France
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
FR7400224A
Other versions
FR2256823A1 (fr
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.)
PATENT AND INVENTIONS Ltd
Original Assignee
PATENT AND INVENTIONS Ltd
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 PATENT AND INVENTIONS Ltd filed Critical PATENT AND INVENTIONS Ltd
Priority to FR7400224A priority Critical patent/FR2256823B1/fr
Priority to SE7415515A priority patent/SE406293B/xx
Priority to CH1666574A priority patent/CH586106A5/xx
Priority to AT1018974A priority patent/AT341198B/de
Priority to DE19742461065 priority patent/DE2461065A1/de
Priority to JP14822074A priority patent/JPS5640014B2/ja
Priority to GB5601074A priority patent/GB1442880A/en
Priority to US05/537,324 priority patent/US3946999A/en
Priority to ES433433A priority patent/ES433433A1/es
Priority to ZA00748220A priority patent/ZA748220B/xx
Priority to AU76947/74A priority patent/AU7694774A/en
Priority to IT19006/75A priority patent/IT1028170B/it
Priority to BR47/75A priority patent/BR7500047A/pt
Priority to DD183489A priority patent/DD118024A5/xx
Priority to SU7502093115A priority patent/SU582749A3/ru
Publication of FR2256823A1 publication Critical patent/FR2256823A1/fr
Application granted granted Critical
Publication of FR2256823B1 publication Critical patent/FR2256823B1/fr
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
    • B29C45/46—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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/255—Flow control means, e.g. valves
    • B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/445—Coaxially arranged screws, i.e. one within the other
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/51—Screws with internal flow passages, e.g. for molten material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7400224A 1974-01-04 1974-01-04 Expired FR2256823B1 (fr)

Priority Applications (15)

Application Number Priority Date Filing Date Title
FR7400224A FR2256823B1 (fr) 1974-01-04 1974-01-04
SE7415515A SE406293B (sv) 1974-01-04 1974-12-11 Anordning for plasticering och insprutning av en plastformmassa
CH1666574A CH586106A5 (fr) 1974-01-04 1974-12-16
AT1018974A AT341198B (de) 1974-01-04 1974-12-19 Spritzgussvorrichtung
DE19742461065 DE2461065A1 (de) 1974-01-04 1974-12-23 Vorrichtung fuer das plastifizieren und einspritzen einer kunststoff-formmasse
JP14822074A JPS5640014B2 (fr) 1974-01-04 1974-12-25
US05/537,324 US3946999A (en) 1974-01-04 1974-12-30 Apparatus for plasticizing and injecting mouldable synthetic material
ES433433A ES433433A1 (es) 1974-01-04 1974-12-30 Perfeccionamientos en maquinas de plastificar e inyectar.
GB5601074A GB1442880A (en) 1974-01-04 1974-12-30 Apparatus for plasticizing and injecting mouldable synthetic material
ZA00748220A ZA748220B (en) 1974-01-04 1974-12-30 Apparatus for plasticizing and injecting mouldable synthetic material
AU76947/74A AU7694774A (en) 1974-01-04 1974-12-31 Apparatus for plasticizing and injecting mouldable synthetic material
IT19006/75A IT1028170B (it) 1974-01-04 1975-01-02 Dispositivo per la fluidificazione e l iniezione di una materia plastica di stampaggio
BR47/75A BR7500047A (pt) 1974-01-04 1975-01-03 Dispositivo aperfeicoado para plastificar e injetar materia plastica em massa
DD183489A DD118024A5 (fr) 1974-01-04 1975-01-03
SU7502093115A SU582749A3 (ru) 1974-01-04 1975-01-03 Устройство дл пластикации и впрыска полимерных материалов

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7400224A FR2256823B1 (fr) 1974-01-04 1974-01-04

Publications (2)

Publication Number Publication Date
FR2256823A1 FR2256823A1 (fr) 1975-08-01
FR2256823B1 true FR2256823B1 (fr) 1977-06-10

Family

ID=9133090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400224A Expired FR2256823B1 (fr) 1974-01-04 1974-01-04

Country Status (15)

Country Link
US (1) US3946999A (fr)
JP (1) JPS5640014B2 (fr)
AT (1) AT341198B (fr)
AU (1) AU7694774A (fr)
BR (1) BR7500047A (fr)
CH (1) CH586106A5 (fr)
DD (1) DD118024A5 (fr)
DE (1) DE2461065A1 (fr)
ES (1) ES433433A1 (fr)
FR (1) FR2256823B1 (fr)
GB (1) GB1442880A (fr)
IT (1) IT1028170B (fr)
SE (1) SE406293B (fr)
SU (1) SU582749A3 (fr)
ZA (1) ZA748220B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065108A (en) * 1976-11-11 1977-12-27 Package Machinery Company Non-return valve for mottle charge in plastic injection molding machine
CN104162991B (zh) * 2014-08-25 2017-02-01 厦门达天电子科技有限公司 一种带单向阀门的热熔挤出装置
CN105965895B (zh) * 2016-06-01 2018-10-09 深圳万为智能制造科技有限公司 3d打印用多重回旋挤出机及控制系统
DE102019213381A1 (de) * 2019-09-04 2021-03-04 Guangdong Yizumi Precision Machinery Co., Ltd. Extruder einer Werkzeugmaschine zur additiven Fertigung
DE102019213384A1 (de) * 2019-09-04 2021-03-04 Guangdong Yizumi Precision Machinery Co., Ltd. Werkzeugmaschine zur additiven Fertigung mit einem Extruder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3131433A (en) * 1959-03-03 1964-05-05 Grundig Max Injection molding machine
US3156013A (en) * 1961-06-26 1964-11-10 Portage Machine Company Separator unit for injection cylinder
US3822057A (en) * 1971-11-01 1974-07-02 Gen Electric Shot volume control for injection molding machine
US3865354A (en) * 1972-03-17 1975-02-11 Du Pont Apparatus

Also Published As

Publication number Publication date
US3946999A (en) 1976-03-30
FR2256823A1 (fr) 1975-08-01
SU582749A3 (ru) 1977-11-30
IT1028170B (it) 1979-01-30
ES433433A1 (es) 1976-11-01
CH586106A5 (fr) 1977-03-31
JPS50105764A (fr) 1975-08-20
BR7500047A (pt) 1975-11-04
DE2461065A1 (de) 1975-07-10
SE406293B (sv) 1979-02-05
ATA1018974A (de) 1977-05-15
SE7415515L (fr) 1975-07-07
ZA748220B (en) 1976-01-28
DD118024A5 (fr) 1976-02-12
AU7694774A (en) 1976-07-01
JPS5640014B2 (fr) 1981-09-17
GB1442880A (en) 1976-07-14
AT341198B (de) 1978-01-25

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Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse