GB1359672A - Extruder screw - Google Patents

Extruder screw

Info

Publication number
GB1359672A
GB1359672A GB1765471A GB1765471A GB1359672A GB 1359672 A GB1359672 A GB 1359672A GB 1765471 A GB1765471 A GB 1765471A GB 1765471 A GB1765471 A GB 1765471A GB 1359672 A GB1359672 A GB 1359672A
Authority
GB
United Kingdom
Prior art keywords
screw
channel
downstream
thread
upstream
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
GB1765471A
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.)
PLAST ELASTVERARBEITUNGSMASCH
Original Assignee
PLAST ELASTVERARBEITUNGSMASCH
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
Priority to FR7116825A priority Critical patent/FR2093483A5/fr
Application filed by PLAST ELASTVERARBEITUNGSMASCH filed Critical PLAST ELASTVERARBEITUNGSMASCH
Priority to GB1765471A priority patent/GB1359672A/en
Publication of GB1359672A publication Critical patent/GB1359672A/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
    • B29C48/505—Screws
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
    • 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)
GB1765471A 1970-05-08 1971-05-27 Extruder screw Expired GB1359672A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7116825A FR2093483A5 (enrdf_load_stackoverflow) 1970-05-08 1971-05-10
GB1765471A GB1359672A (en) 1970-05-08 1971-05-27 Extruder screw

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD14738870 1970-05-08
GB1765471A GB1359672A (en) 1970-05-08 1971-05-27 Extruder screw

Publications (1)

Publication Number Publication Date
GB1359672A true GB1359672A (en) 1974-07-10

Family

ID=25747322

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1765471A Expired GB1359672A (en) 1970-05-08 1971-05-27 Extruder screw

Country Status (2)

Country Link
FR (1) FR2093483A5 (enrdf_load_stackoverflow)
GB (1) GB1359672A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215978A (en) * 1978-07-14 1980-08-05 Ube Industries, Ltd. Resin moulding screws
US4300839A (en) * 1977-11-19 1981-11-17 Sekisui Kagaku Kogyo Kabushiki Kaisha Self-cleaning type extruder
GB2184975B (en) * 1985-05-02 1989-07-12 Robert F Dray Method and apparatus for melting and conveying plasticated material
CN111791460A (zh) * 2020-07-20 2020-10-20 诺博橡胶制品有限公司 螺杆及挤出机
WO2022097076A1 (en) * 2020-11-09 2022-05-12 Pomini Rubber & Plastics S.R.L. Screw and twin-screw assembly for use in elastomer mixture extruders and associated method for extrusion of elastomer mixtures
EP4282617A1 (en) * 2022-05-23 2023-11-29 Jeffrey A. Myers No solid bed extruder screw with varying width sub-channels

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128341A (en) * 1977-04-29 1978-12-05 Ingersoll-Rand Co. Extruder screw
DE3615209A1 (de) * 1986-05-06 1987-11-12 Bayer Ag Mehrwellige schneckenmaschine mit schneidelementen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300839A (en) * 1977-11-19 1981-11-17 Sekisui Kagaku Kogyo Kabushiki Kaisha Self-cleaning type extruder
US4215978A (en) * 1978-07-14 1980-08-05 Ube Industries, Ltd. Resin moulding screws
GB2184975B (en) * 1985-05-02 1989-07-12 Robert F Dray Method and apparatus for melting and conveying plasticated material
CN111791460A (zh) * 2020-07-20 2020-10-20 诺博橡胶制品有限公司 螺杆及挤出机
CN111791460B (zh) * 2020-07-20 2022-03-25 诺博橡胶制品有限公司 螺杆及挤出机
WO2022097076A1 (en) * 2020-11-09 2022-05-12 Pomini Rubber & Plastics S.R.L. Screw and twin-screw assembly for use in elastomer mixture extruders and associated method for extrusion of elastomer mixtures
EP4282617A1 (en) * 2022-05-23 2023-11-29 Jeffrey A. Myers No solid bed extruder screw with varying width sub-channels

Also Published As

Publication number Publication date
FR2093483A5 (enrdf_load_stackoverflow) 1972-01-28

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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