JPS6234531B2 - - Google Patents

Info

Publication number
JPS6234531B2
JPS6234531B2 JP58011155A JP1115583A JPS6234531B2 JP S6234531 B2 JPS6234531 B2 JP S6234531B2 JP 58011155 A JP58011155 A JP 58011155A JP 1115583 A JP1115583 A JP 1115583A JP S6234531 B2 JPS6234531 B2 JP S6234531B2
Authority
JP
Japan
Prior art keywords
die
resin
manifold
die lip
conical gap
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
JP58011155A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59135139A (ja
Inventor
Noboru Nakagawa
Yoshitaka Fukuda
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.)
KONAN SETSUKEI KOGYO KK
NICHIKAN KK
Original Assignee
KONAN SETSUKEI KOGYO KK
NICHIKAN KK
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 KONAN SETSUKEI KOGYO KK, NICHIKAN KK filed Critical KONAN SETSUKEI KOGYO KK
Priority to JP58011155A priority Critical patent/JPS59135139A/ja
Publication of JPS59135139A publication Critical patent/JPS59135139A/ja
Publication of JPS6234531B2 publication Critical patent/JPS6234531B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/13Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/325Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/003Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP58011155A 1983-01-24 1983-01-24 突起付き皮膜形成用の押出し装置 Granted JPS59135139A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58011155A JPS59135139A (ja) 1983-01-24 1983-01-24 突起付き皮膜形成用の押出し装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58011155A JPS59135139A (ja) 1983-01-24 1983-01-24 突起付き皮膜形成用の押出し装置

Publications (2)

Publication Number Publication Date
JPS59135139A JPS59135139A (ja) 1984-08-03
JPS6234531B2 true JPS6234531B2 (enExample) 1987-07-28

Family

ID=11770127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58011155A Granted JPS59135139A (ja) 1983-01-24 1983-01-24 突起付き皮膜形成用の押出し装置

Country Status (1)

Country Link
JP (1) JPS59135139A (enExample)

Also Published As

Publication number Publication date
JPS59135139A (ja) 1984-08-03

Similar Documents

Publication Publication Date Title
US5466141A (en) Device for injection molding articles of plastics material which contain hollow spaces
US3280847A (en) Extrusion die
HU211115B (en) Storing head for die-casting machine producing hollow plastic form pieces
US3188690A (en) Apparatus for the production of corrugated tubes
CA2188249A1 (en) Variable cross section extruding die and variable cross section extrusion molding method
US5023029A (en) Method and apparatus for producing pipe with annular ribs
US2620515A (en) Extrusion method and apparatus
JPS6325015A (ja) 押出成形機
US4874305A (en) Accumulator extrusion head for producing striped parisons
US5186878A (en) Improvements relating to cooling plugs in thermoplastic pipe forming apparatus and process
EP0381938B1 (en) Cooling plugs in thermoplastic pipe forming apparatus
US2592658A (en) Extrusion head for molding synthetic resins
ES384742A2 (es) Procedimiento para la extrusion de una composicion de mate-ria plastica expandible.
MY106759A (en) Apparatus for producing spiral pipes with rib
DE69218610D1 (de) Speicherkopf für extrusions-blasformmaschine
US3533133A (en) Apparatus for the manufacture of plastic coated tubular articles
US4113814A (en) Method for producing special pipes having longitudinally extending diaphragm partitions
GB1188907A (en) Extrusion Apparatus.
US2963740A (en) Mandrel for extrusion coating propellant grains
JPS59135139A (ja) 突起付き皮膜形成用の押出し装置
JPH04819B2 (enExample)
US4097564A (en) Method of coating flexible sleeving
JPH0645129B2 (ja) セラミック押出成形体の製造方法及びその装置
IE37763B1 (en) Large bore pipe made from thermoplastic synthetic materialparticularly for use underground and process and apparatus for manufacturing such a pipe
US3579732A (en) Dry lubricant coating of extruded tubing