JPH0547628Y2 - - Google Patents

Info

Publication number
JPH0547628Y2
JPH0547628Y2 JP1988046682U JP4668288U JPH0547628Y2 JP H0547628 Y2 JPH0547628 Y2 JP H0547628Y2 JP 1988046682 U JP1988046682 U JP 1988046682U JP 4668288 U JP4668288 U JP 4668288U JP H0547628 Y2 JPH0547628 Y2 JP H0547628Y2
Authority
JP
Japan
Prior art keywords
resin
layer
torpedo
cylindrical tube
adapter
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 - Lifetime
Application number
JP1988046682U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01153920U (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
Priority to JP1988046682U priority Critical patent/JPH0547628Y2/ja
Publication of JPH01153920U publication Critical patent/JPH01153920U/ja
Application granted granted Critical
Publication of JPH0547628Y2 publication Critical patent/JPH0547628Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C48/30—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
    • B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in 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
    • B29C48/03—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
    • B29C48/03—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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP1988046682U 1988-04-05 1988-04-05 Expired - Lifetime JPH0547628Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988046682U JPH0547628Y2 (en]) 1988-04-05 1988-04-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988046682U JPH0547628Y2 (en]) 1988-04-05 1988-04-05

Publications (2)

Publication Number Publication Date
JPH01153920U JPH01153920U (en]) 1989-10-24
JPH0547628Y2 true JPH0547628Y2 (en]) 1993-12-15

Family

ID=31272943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988046682U Expired - Lifetime JPH0547628Y2 (en]) 1988-04-05 1988-04-05

Country Status (1)

Country Link
JP (1) JPH0547628Y2 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0919374A2 (pt) * 2008-09-29 2016-01-12 Strandex Corp aparelho e processo para extrudar um compôsito extrudado plástico-celulósico
US8562885B2 (en) * 2009-02-21 2013-10-22 Dow Global Technologies Inc. Multilayer structures having annular profiles and methods and apparatus of making the same

Also Published As

Publication number Publication date
JPH01153920U (en]) 1989-10-24

Similar Documents

Publication Publication Date Title
US5882694A (en) Extrusion system with balanced flow passage
US4983347A (en) Method of producing an internally smooth, externally ribbed tube from extrudable plastic and apparatus for carrying out the method
CA1166415A (en) Composite die assembly for use in the production of thermoplastic tubing
GB1587227A (en) Thermoplastics multiwalled pipes
GB1375409A (en])
AU597560B2 (en) Triple-wall foam coextrusion apparatus
GB1511777A (en) Extruder head
US4509907A (en) Extrusion head for tubular bodies and hollow profiles
CN106424186B (zh) 一种分流组合热挤压模
CN206357607U (zh) 双层复合管挤塑模具
JPH0547628Y2 (en])
US4265693A (en) Method of molding tubular laminate
JPS6248521A (ja) 偏向スリ−ブ付き押出しヘツド
CN106738757A (zh) 双层复合管挤塑模具改进结构
US5004578A (en) Process and apparatus for producing hollow bodies of thermoplastic material
US5843490A (en) Die having protrusions for molding machine
CN110450371A (zh) 一种波纹机多层机头
CN213412830U (zh) 一种用于管材挤出的口模结构
US3475789A (en) Blown film dies
BRPI0508338B1 (pt) dose multicamada, objeto multicamada e processo para a produção de uma dose multicamada
US4942010A (en) Method of injection molding of tubular parts to eliminate weld lines
EP0486735A1 (en) Die head for plastic with barrier forming material
CN206678366U (zh) 一种三层复合管挤出机模头
JP3100874B2 (ja) 中空成形機のクロスヘッド
CN206201437U (zh) 一种双层复合pp‑r管材模具