GB2034628B - Twin-screw twostage or multistage extruder having a double feed - Google Patents

Twin-screw twostage or multistage extruder having a double feed

Info

Publication number
GB2034628B
GB2034628B GB7843831A GB7843831A GB2034628B GB 2034628 B GB2034628 B GB 2034628B GB 7843831 A GB7843831 A GB 7843831A GB 7843831 A GB7843831 A GB 7843831A GB 2034628 B GB2034628 B GB 2034628B
Authority
GB
United Kingdom
Prior art keywords
twostage
twin
screw
double feed
multistage extruder
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
GB7843831A
Other versions
GB2034628A (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.)
BERSANO T
Original Assignee
BERSANO T
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 BERSANO T filed Critical BERSANO T
Priority to GB7843831A priority Critical patent/GB2034628B/en
Publication of GB2034628A publication Critical patent/GB2034628A/en
Application granted granted Critical
Publication of GB2034628B publication Critical patent/GB2034628B/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
    • B29C48/375—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
    • B29C48/25—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
    • B29C48/455—Screws arranged to convey material towards each other, e.g. separate screws arranged after each other and feeding in opposite directions
    • 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)
GB7843831A 1978-11-09 1978-11-09 Twin-screw twostage or multistage extruder having a double feed Expired GB2034628B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7843831A GB2034628B (en) 1978-11-09 1978-11-09 Twin-screw twostage or multistage extruder having a double feed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7843831A GB2034628B (en) 1978-11-09 1978-11-09 Twin-screw twostage or multistage extruder having a double feed

Publications (2)

Publication Number Publication Date
GB2034628A GB2034628A (en) 1980-06-11
GB2034628B true GB2034628B (en) 1983-01-06

Family

ID=10500910

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7843831A Expired GB2034628B (en) 1978-11-09 1978-11-09 Twin-screw twostage or multistage extruder having a double feed

Country Status (1)

Country Link
GB (1) GB2034628B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9113789D0 (en) * 1991-06-26 1991-08-14 Stork Protecon Bv Controlled shear cell and method
US6576131B1 (en) 1997-12-16 2003-06-10 Flint Ink Corporation Process and apparatus for changing the wetting agent of pigments
US6273599B1 (en) 1999-09-17 2001-08-14 Flint Ink Corporation Process for preparing pigment flush
EP2325265B1 (en) 2004-08-17 2013-12-04 Flint Group Incorporated Twin-Screw Extruder

Also Published As

Publication number Publication date
GB2034628A (en) 1980-06-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee