GB1367769A - Extruder worms - Google Patents

Extruder worms

Info

Publication number
GB1367769A
GB1367769A GB5491371A GB5491371A GB1367769A GB 1367769 A GB1367769 A GB 1367769A GB 5491371 A GB5491371 A GB 5491371A GB 5491371 A GB5491371 A GB 5491371A GB 1367769 A GB1367769 A GB 1367769A
Authority
GB
United Kingdom
Prior art keywords
thread
worm
zone
shearing
threads
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
GB5491371A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1367769A publication Critical patent/GB1367769A/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
    • B29C48/56—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
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/605—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous
    • 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)
  • Screw Conveyors (AREA)
GB5491371A 1970-11-28 1971-11-26 Extruder worms Expired GB1367769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702058642 DE2058642B2 (de) 1970-11-28 1970-11-28 Extruderschnecke fuer die verarbeitung von plastischen, insbesondere kautschukartigen stoffen

Publications (1)

Publication Number Publication Date
GB1367769A true GB1367769A (en) 1974-09-25

Family

ID=5789380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5491371A Expired GB1367769A (en) 1970-11-28 1971-11-26 Extruder worms

Country Status (11)

Country Link
JP (1) JPS5443550B1 (enrdf_load_stackoverflow)
BE (1) BE775834A (enrdf_load_stackoverflow)
CH (1) CH528363A (enrdf_load_stackoverflow)
DE (1) DE2058642B2 (enrdf_load_stackoverflow)
FI (1) FI50392C (enrdf_load_stackoverflow)
FR (1) FR2116098A5 (enrdf_load_stackoverflow)
GB (1) GB1367769A (enrdf_load_stackoverflow)
IT (1) IT941317B (enrdf_load_stackoverflow)
LU (1) LU64348A1 (enrdf_load_stackoverflow)
NL (1) NL7116249A (enrdf_load_stackoverflow)
SE (1) SE364468B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103073779A (zh) * 2013-01-15 2013-05-01 东莞市开源塑化科技有限公司 一种透明饮用水管专用的乙烯-醋酸乙烯共聚物的制造配方及制造工艺和专用加工设备
CN113752520A (zh) * 2021-09-01 2021-12-07 青岛科技大学 一种螺杆

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4202821C2 (de) * 1992-01-31 1995-01-26 S Rockstedt Gmbh Maschf Mehrwellige kontinuierlich arbeitende Misch- und Knetmaschine für plastifizierbare Massen
DE4338795C1 (de) * 1993-11-12 1995-06-14 S Rockstedt Gmbh Maschf Mehrwellige kontinuierlich arbeitende Mischmaschine für plastifizierbare Massen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2896253A (en) * 1957-01-17 1959-07-28 Du Pont Screw for handling thermoplastic resins
US2838794A (en) * 1957-04-08 1958-06-17 Du Pont Extrusion apparatus
GB1266142A (enrdf_load_stackoverflow) * 1968-03-21 1972-03-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103073779A (zh) * 2013-01-15 2013-05-01 东莞市开源塑化科技有限公司 一种透明饮用水管专用的乙烯-醋酸乙烯共聚物的制造配方及制造工艺和专用加工设备
CN113752520A (zh) * 2021-09-01 2021-12-07 青岛科技大学 一种螺杆

Also Published As

Publication number Publication date
FR2116098A5 (enrdf_load_stackoverflow) 1972-07-07
JPS5443550B1 (enrdf_load_stackoverflow) 1979-12-20
LU64348A1 (enrdf_load_stackoverflow) 1972-06-15
CH528363A (de) 1972-09-30
IT941317B (it) 1973-03-01
DE2058642B2 (de) 1972-05-25
DE2058642A1 (enrdf_load_stackoverflow) 1972-05-25
NL7116249A (enrdf_load_stackoverflow) 1972-05-30
SE364468B (enrdf_load_stackoverflow) 1974-02-25
FI50392B (enrdf_load_stackoverflow) 1975-12-01
FI50392C (fi) 1976-03-10
BE775834A (fr) 1972-03-16

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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