GB2109740B - Extruder cross-head for extruding material around an elongated article - Google Patents

Extruder cross-head for extruding material around an elongated article

Info

Publication number
GB2109740B
GB2109740B GB08229278A GB8229278A GB2109740B GB 2109740 B GB2109740 B GB 2109740B GB 08229278 A GB08229278 A GB 08229278A GB 8229278 A GB8229278 A GB 8229278A GB 2109740 B GB2109740 B GB 2109740B
Authority
GB
United Kingdom
Prior art keywords
head
material around
elongated article
extruding material
extruder cross
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
GB08229278A
Other versions
GB2109740A (en
Inventor
Toshio Ohnuma
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.)
Fujikura Ltd
Original Assignee
Fujikura Ltd
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 claimed from JP1981153834U external-priority patent/JPS5938254Y2/en
Priority claimed from JP1982023861U external-priority patent/JPS58128016U/en
Application filed by Fujikura Ltd filed Critical Fujikura Ltd
Publication of GB2109740A publication Critical patent/GB2109740A/en
Application granted granted Critical
Publication of GB2109740B publication Critical patent/GB2109740B/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
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
    • 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
    • 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
    • B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29K2105/20—Inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3462—Cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB08229278A 1981-10-16 1982-10-13 Extruder cross-head for extruding material around an elongated article Expired GB2109740B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1981153834U JPS5938254Y2 (en) 1981-10-16 1981-10-16 extrusion molding machine
JP1982023861U JPS58128016U (en) 1982-02-22 1982-02-22 2 layer extrusion molding machine

Publications (2)

Publication Number Publication Date
GB2109740A GB2109740A (en) 1983-06-08
GB2109740B true GB2109740B (en) 1984-12-12

Family

ID=26361291

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08229278A Expired GB2109740B (en) 1981-10-16 1982-10-13 Extruder cross-head for extruding material around an elongated article

Country Status (3)

Country Link
BR (1) BR8206009A (en)
GB (1) GB2109740B (en)
MY (1) MY8600372A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1213469B (en) * 1986-07-30 1989-12-20 Soffiaggio Tecnica Srl EXTRUSION HEAD DEVICE FOR THERMOPLASTIC POLYMERS.
AT387672B (en) * 1987-08-12 1989-02-27 Rosendahl Masch Gmbh DEVICE FOR INJECTING A SOUL, IN PARTICULAR AN ELECTRIC LADDER
NL9201457A (en) * 1992-08-14 1994-03-01 Rollepaal B V Maschf De Dividing head for forming a tubular profile from one or more streams of extruded thermoplastic plastic material.
IT1274835B (en) * 1994-07-14 1997-07-25 Techne Spa COEXTRUSION HEAD FOR THERMOFORMING MACHINES FOR BLOWING, QUICK CHANGE OF THE COLORED LAYERS OF THE EXTRUDED PLASTIC MATERIAL.
IT1285075B1 (en) * 1996-05-03 1998-06-03 Giuseppe Raia DRAWING PROCESS AND DEVICE WITH CALIBRATED EXTRUSION OF PRECISION RUBBER PIPES AND TUBULAR COVERINGS, PLASTIC MATERIAL

Also Published As

Publication number Publication date
BR8206009A (en) 1983-09-13
MY8600372A (en) 1986-12-31
GB2109740A (en) 1983-06-08

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Legal Events

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

Effective date: 19971013