GB1314465A - Extrusion moulding machines - Google Patents

Extrusion moulding machines

Info

Publication number
GB1314465A
GB1314465A GB3286571A GB3286571A GB1314465A GB 1314465 A GB1314465 A GB 1314465A GB 3286571 A GB3286571 A GB 3286571A GB 3286571 A GB3286571 A GB 3286571A GB 1314465 A GB1314465 A GB 1314465A
Authority
GB
United Kingdom
Prior art keywords
extension
chamber
extrusion moulding
detachable
moulding machines
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.)
Expired
Application number
GB3286571A
Other languages
English (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.)
LAVORAZIONE MAT PLAST
Original Assignee
LAVORAZIONE MAT PLAST
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 LAVORAZIONE MAT PLAST filed Critical LAVORAZIONE MAT PLAST
Publication of GB1314465A publication Critical patent/GB1314465A/en
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
    • 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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/435—Sub-screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/484—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with two shafts provided with screws, e.g. one screw being shorter than the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
GB3286571A 1970-09-24 1971-07-13 Extrusion moulding machines Expired GB1314465A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT7020470 1970-09-24

Publications (1)

Publication Number Publication Date
GB1314465A true GB1314465A (en) 1973-04-26

Family

ID=11313627

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3286571A Expired GB1314465A (en) 1970-09-24 1971-07-13 Extrusion moulding machines

Country Status (4)

Country Link
JP (1) JPS5115547B1 (enrdf_load_stackoverflow)
DE (1) DE2147404A1 (enrdf_load_stackoverflow)
FR (1) FR2107922B3 (enrdf_load_stackoverflow)
GB (1) GB1314465A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009037299A3 (de) * 2007-09-19 2010-04-29 Kraussmaffei Technologies Gmbh Extrudereinrichtung
DE102009058507A1 (de) 2009-12-16 2011-06-22 KraussMaffei Technologies GmbH, 80997 Extrudereinrichtung
CN104690939A (zh) * 2014-03-19 2015-06-10 保定长河塑料机械制造有限公司 一种偏心合流芯

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101753A1 (de) * 1982-08-26 1984-03-07 HERMANN BERSTORFF Maschinenbau GmbH Zylinderflanschverbindung für Schneckenpressen
AT519286B1 (de) * 2016-10-19 2018-12-15 Gruber Dietmar Doppelschneckenextruder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE533182A (enrdf_load_stackoverflow) * 1953-11-13 1900-01-01

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009037299A3 (de) * 2007-09-19 2010-04-29 Kraussmaffei Technologies Gmbh Extrudereinrichtung
DE102009058507A1 (de) 2009-12-16 2011-06-22 KraussMaffei Technologies GmbH, 80997 Extrudereinrichtung
DE102009058507B4 (de) * 2009-12-16 2014-10-30 Kraussmaffei Technologies Gmbh Extrudereinrichtung
CN104690939A (zh) * 2014-03-19 2015-06-10 保定长河塑料机械制造有限公司 一种偏心合流芯
CN104690939B (zh) * 2014-03-19 2017-02-22 保定长河塑料机械制造有限公司 一种偏心合流芯

Also Published As

Publication number Publication date
DE2147404A1 (de) 1972-05-04
FR2107922A3 (enrdf_load_stackoverflow) 1972-05-12
FR2107922B3 (enrdf_load_stackoverflow) 1974-05-10
JPS5115547B1 (enrdf_load_stackoverflow) 1976-05-18

Similar Documents

Publication Publication Date Title
GB1386445A (en) Apparatus for performing operations on elongate material
GB964428A (enrdf_load_stackoverflow)
GB1059595A (en) Improvements in or relating to worm extruders
GB1309852A (en) Compounding process and apparatus
CH470539A (fr) Procédé pour la fabrication de couches et de plaques à base de bitume, renforcées avec des fils synthétiques, et produits ainsi obtenus
GB920734A (en) Improvements in screw presses for extruding synthetic thermoplastic materials
GB1314465A (en) Extrusion moulding machines
GB1002702A (en) Improvements in continuous extrusion devices
AU438802B2 (en) Screw press for extruding plastics materials
GB994929A (en) Extruder screw with right angle discharge
GB1253714A (en) Process and device for processing highly viscous materials
GB632364A (en) Screw press for mixing and extruding synthetic plastic materials, more particularly thermoplastic materials
GB940926A (en) Screw press for extruding synthetic thermoplastic material
FR1537225A (fr) Procédé microbiologique pour la production de lycopène
GB1324610A (en) Clamping apparatus
GB1298672A (en) Improved mixing device
CA727509A (en) Screw press for extrusion of plastics
CA685802A (en) Screw extruder controlled gap in melt spinning
CA733569A (en) Process for the production of acrylonitrile polymer solutions
AU261728B2 (en) Improvements m dies for thread rolling machines for producing screws
CA801665A (en) Blow molding machine with continuously rotating reciprocating extruder screw
GB1341847A (en) Process and apparatus for producing hollow biaxially oriented articles
GB1121488A (en) Improvements in or relating to blow molding machines
FR2148486A1 (en) Scroll plasticizing extruder - for thermoplastic material with an adjustable working screw length
FR1536622A (fr) Procédé pour la production d'un concentré de substance active riche en sennacidesavec des follicules de séné

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years