GB1295196A - - Google Patents

Info

Publication number
GB1295196A
GB1295196A GB1295196DA GB1295196A GB 1295196 A GB1295196 A GB 1295196A GB 1295196D A GB1295196D A GB 1295196DA GB 1295196 A GB1295196 A GB 1295196A
Authority
GB
United Kingdom
Prior art keywords
screw
pitch
extrusion
decreasing
inlet
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
Other languages
English (en)
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 filed Critical
Publication of GB1295196A publication Critical patent/GB1295196A/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B29C48/2886—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of fillers or of fibrous materials, e.g. short-fibre reinforcements
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB1295196D 1970-03-14 1971-04-19 Expired GB1295196A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702012164 DE2012164B2 (de) 1970-03-14 1970-03-14 Schneckenspritzgiessmaschine oder extruder zum verarbeiten von duroplastischen oder thermoplastischen kunststoffen mit verstaerkungsfasern

Publications (1)

Publication Number Publication Date
GB1295196A true GB1295196A (enrdf_load_stackoverflow) 1972-11-01

Family

ID=5765081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295196D Expired GB1295196A (enrdf_load_stackoverflow) 1970-03-14 1971-04-19

Country Status (9)

Country Link
AT (1) AT320261B (enrdf_load_stackoverflow)
BE (1) BE764208A (enrdf_load_stackoverflow)
CH (1) CH519389A (enrdf_load_stackoverflow)
DE (1) DE2012164B2 (enrdf_load_stackoverflow)
FR (1) FR2084596A5 (enrdf_load_stackoverflow)
GB (1) GB1295196A (enrdf_load_stackoverflow)
LU (1) LU62687A1 (enrdf_load_stackoverflow)
NL (1) NL7102848A (enrdf_load_stackoverflow)
SE (1) SE368531B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5358680A (en) * 1991-11-08 1994-10-25 Vetrotex France Process for manufacturing a composite product by moulding
WO2006105757A1 (de) * 2005-04-04 2006-10-12 Harburg-Freudenberger Maschinenbau Gmbh Schnecken -extruder zur verarbeitung von polymeren

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005015538A1 (de) * 2005-04-04 2006-10-05 Harburg-Freudenberger Maschinenbau Gmbh Schnecken-Extruder zur Verarbeitung von Kautschuk

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5358680A (en) * 1991-11-08 1994-10-25 Vetrotex France Process for manufacturing a composite product by moulding
WO2006105757A1 (de) * 2005-04-04 2006-10-12 Harburg-Freudenberger Maschinenbau Gmbh Schnecken -extruder zur verarbeitung von polymeren

Also Published As

Publication number Publication date
NL7102848A (enrdf_load_stackoverflow) 1971-09-16
SE368531B (enrdf_load_stackoverflow) 1974-07-08
DE2012164B2 (de) 1973-06-14
AT320261B (de) 1975-02-10
FR2084596A5 (enrdf_load_stackoverflow) 1971-12-17
CH519389A (de) 1972-02-29
DE2012164A1 (de) 1971-09-30
LU62687A1 (enrdf_load_stackoverflow) 1971-08-20
BE764208A (fr) 1971-08-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees