GB1227775A - - Google Patents

Info

Publication number
GB1227775A
GB1227775A GB1227775DA GB1227775A GB 1227775 A GB1227775 A GB 1227775A GB 1227775D A GB1227775D A GB 1227775DA GB 1227775 A GB1227775 A GB 1227775A
Authority
GB
United Kingdom
Prior art keywords
resin
streams
composite
mandrel
resins
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 GB1227775A publication Critical patent/GB1227775A/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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/164—The moulding materials being injected simultaneously
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • 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
    • B29C2045/0098—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor shearing of the moulding material, e.g. for obtaining molecular orientation or reducing the viscosity
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/06—Rod-shaped

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)
GB1227775D 1967-05-05 1968-05-03 Expired GB1227775A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63648067A 1967-05-05 1967-05-05

Publications (1)

Publication Number Publication Date
GB1227775A true GB1227775A (enExample) 1971-04-07

Family

ID=24552085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1227775D Expired GB1227775A (enExample) 1967-05-05 1968-05-03

Country Status (5)

Country Link
BE (1) BE714634A (enExample)
DE (1) DE1778459A1 (enExample)
FR (1) FR1573188A (enExample)
GB (1) GB1227775A (enExample)
SE (1) SE347462B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4204015C2 (de) * 1992-02-12 1994-06-23 Helmut Gottwald Spritzdüse für eine thermoplastische Masse

Also Published As

Publication number Publication date
DE1778459A1 (de) 1971-11-04
SE347462B (enExample) 1972-08-07
FR1573188A (enExample) 1969-07-04
BE714634A (enExample) 1968-11-04

Similar Documents

Publication Publication Date Title
GB1231438A (enExample)
US3339240A (en) Apparatus for laminar injection molding
US5204051A (en) Process for the injection molding of fluid-filled plastic bodies
US4592711A (en) Apparatus for fabricating plastic parts
EP0450003B1 (de) Elektrish aufheizbare düse für eine spritzgiessmachine, eine heisskanaleinrichtung o.dgl.
GB1423582A (en) Apparatus for producing mouldings from chemical components which react quickly with one another
GB1420948A (en) Injection moulding process
US3664790A (en) Plastic extrusion apparatus
GB994478A (en) Improvements in or relating to the extrusion of plastics materials
US3611494A (en) Extrusion head for extruding annular articles of thermoplastic material
GB1351544A (en) Method of producing an extruded article
US3537139A (en) Injection nozzle for hot channel-injection molding device
GB1019015A (en) Process and apparatus for producing plastic net
US4013276A (en) Extruders and injection moulding machines
JPS63166511A (ja) 射出成形方法
US3212134A (en) Extrusion die assembly
EP0070567A1 (en) A device for manufacturing multicoloured marble soaps from a base paste and one or more liquid pigments
US3252184A (en) Hot runner injection orifice control apparatus
GB1320928A (en) Moulds for parts of plastics material
US3891365A (en) Apparatus for making a striated soap bar
US4090687A (en) Apparatus for production of cages
DE884105C (de) Spritzgussverfahren und Vorrichtung zur Herstellung von Formstuecken aller Art aus thermoplastischen Werkstoffen
ES402980A1 (es) Un metodo para producir barras de jabon que tienen indica- ciones.
GB1298903A (en) Injection mould
GB1061692A (en) Improvements in or relating to spinneret plates for the production of extrusion of sheath-core threads

Legal Events

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