GB1508710A - Screw extruder for thermoplastics synthetic materials or elastomers - Google Patents

Screw extruder for thermoplastics synthetic materials or elastomers

Info

Publication number
GB1508710A
GB1508710A GB50116/76A GB5011676A GB1508710A GB 1508710 A GB1508710 A GB 1508710A GB 50116/76 A GB50116/76 A GB 50116/76A GB 5011676 A GB5011676 A GB 5011676A GB 1508710 A GB1508710 A GB 1508710A
Authority
GB
United Kingdom
Prior art keywords
grooves
screw
elastomers
screw extruder
synthetic materials
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
GB50116/76A
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.)
KraussMaffei Extrusion GmbH
Original Assignee
Hermann Berstorff Maschinenbau GmbH
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 Hermann Berstorff Maschinenbau GmbH filed Critical Hermann Berstorff Maschinenbau GmbH
Publication of GB1508710A publication Critical patent/GB1508710A/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
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
    • 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
    • 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
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • 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
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
GB50116/76A 1975-12-24 1976-12-01 Screw extruder for thermoplastics synthetic materials or elastomers Expired GB1508710A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2558638A DE2558638C3 (de) 1975-12-24 1975-12-24 Schneckenstrangpresse für thermoplastische Kunststoffe oder Elastomere

Publications (1)

Publication Number Publication Date
GB1508710A true GB1508710A (en) 1978-04-26

Family

ID=5965590

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50116/76A Expired GB1508710A (en) 1975-12-24 1976-12-01 Screw extruder for thermoplastics synthetic materials or elastomers

Country Status (6)

Country Link
US (1) US4052038A (enExample)
DE (1) DE2558638C3 (enExample)
FR (1) FR2336238A1 (enExample)
GB (1) GB1508710A (enExample)
IT (1) IT1065578B (enExample)
NL (1) NL7614374A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306848A (en) * 1979-05-23 1981-12-22 Hpm Corporation Injection molding apparatus having low shear screw
NL8001053A (nl) * 1980-02-21 1981-09-16 Stamicarbon Werkwijze voor het vormgeven van kunststoffen.
US4408725A (en) * 1980-11-26 1983-10-11 Wenger Manufacturing Screw and head assembly for processing whole grains and cellulosic materials
US4401612A (en) * 1981-06-17 1983-08-30 The B. F. Goodrich Company Method and apparatus for extruding foam polymeric materials involving the use of an extrusion screw having spaced multiple flight mixing means thereon
US4514163A (en) * 1983-11-28 1985-04-30 Kensaku Nakamura Synthetic resin extruding means
FI854087A7 (fi) * 1984-10-22 1986-04-23 Rosendahl Masch Gmbh Menetelmä ja laite verkostetun suulakepuristetun tai ruiskutetun tuotteen valmistamiseksi.
US4639143A (en) * 1985-02-28 1987-01-27 New Castle Industries, Inc. Extrusion screw
US5614240A (en) * 1995-06-06 1997-03-25 The Pillsbury Company Method of producing a baked product having a sliced appearance
US6712495B2 (en) * 2001-11-20 2004-03-30 E. I. Du Pont De Nemours And Company Mixing apparatus
US20070183254A1 (en) * 2005-10-25 2007-08-09 Desider Schobert-Csongor Infinitely variable shear mixer apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045283A (en) * 1959-04-07 1962-07-24 Du Pont Injection molding machine
US3788612A (en) * 1972-09-15 1974-01-29 Feed Screws Inc Mixing element for extruder screw
GB1423976A (en) * 1973-04-05 1976-02-04 Plastic Kogaku Kenkyusho Kk Screw extruder
JPS5419908B2 (enExample) * 1974-04-15 1979-07-18

Also Published As

Publication number Publication date
IT1065578B (it) 1985-02-25
US4052038A (en) 1977-10-04
DE2558638A1 (de) 1977-07-07
DE2558638B2 (de) 1978-06-15
FR2336238B3 (enExample) 1979-08-31
FR2336238A1 (fr) 1977-07-22
DE2558638C3 (de) 1979-02-15
NL7614374A (nl) 1977-06-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee