DD118024A5 - - Google Patents

Info

Publication number
DD118024A5
DD118024A5 DD183489A DD18348975A DD118024A5 DD 118024 A5 DD118024 A5 DD 118024A5 DD 183489 A DD183489 A DD 183489A DD 18348975 A DD18348975 A DD 18348975A DD 118024 A5 DD118024 A5 DD 118024A5
Authority
DD
German Democratic Republic
Application number
DD183489A
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 filed Critical
Publication of DD118024A5 publication Critical patent/DD118024A5/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50Axially movable screw
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/255Flow control means, e.g. valves
    • B29C48/2556Flow control means, e.g. valves provided in or in the proximity of dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/445Coaxially arranged screws, i.e. one within the other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/51Screws 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)
DD183489A 1974-01-04 1975-01-03 DD118024A5 (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7400224A FR2256823B1 (en:Method) 1974-01-04 1974-01-04

Publications (1)

Publication Number Publication Date
DD118024A5 true DD118024A5 (en:Method) 1976-02-12

Family

ID=9133090

Family Applications (1)

Application Number Title Priority Date Filing Date
DD183489A DD118024A5 (en:Method) 1974-01-04 1975-01-03

Country Status (15)

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

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
AU7694774A (en) 1976-07-01
FR2256823B1 (en:Method) 1977-06-10
DE2461065A1 (de) 1975-07-10
GB1442880A (en) 1976-07-14
ATA1018974A (de) 1977-05-15
SE7415515L (en:Method) 1975-07-07
BR7500047A (pt) 1975-11-04
ZA748220B (en) 1976-01-28
FR2256823A1 (en:Method) 1975-08-01
CH586106A5 (en:Method) 1977-03-31
SE406293B (sv) 1979-02-05
ES433433A1 (es) 1976-11-01
US3946999A (en) 1976-03-30
AT341198B (de) 1978-01-25
JPS5640014B2 (en:Method) 1981-09-17
SU582749A3 (ru) 1977-11-30
JPS50105764A (en:Method) 1975-08-20
IT1028170B (it) 1979-01-30

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