JPH0588171B2 - - Google Patents

Info

Publication number
JPH0588171B2
JPH0588171B2 JP60184785A JP18478585A JPH0588171B2 JP H0588171 B2 JPH0588171 B2 JP H0588171B2 JP 60184785 A JP60184785 A JP 60184785A JP 18478585 A JP18478585 A JP 18478585A JP H0588171 B2 JPH0588171 B2 JP H0588171B2
Authority
JP
Japan
Prior art keywords
resin
die
mandrel
spider
foamable
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
JP60184785A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6244424A (ja
Inventor
Tadao Ando
Kenji Takao
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Plastics Industries 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
Application filed by Mitsubishi Plastics Industries Ltd filed Critical Mitsubishi Plastics Industries Ltd
Priority to JP60184785A priority Critical patent/JPS6244424A/ja
Publication of JPS6244424A publication Critical patent/JPS6244424A/ja
Publication of JPH0588171B2 publication Critical patent/JPH0588171B2/ja
Granted 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP60184785A 1985-08-22 1985-08-22 合成樹脂製複合管製造装置の口金 Granted JPS6244424A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60184785A JPS6244424A (ja) 1985-08-22 1985-08-22 合成樹脂製複合管製造装置の口金

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60184785A JPS6244424A (ja) 1985-08-22 1985-08-22 合成樹脂製複合管製造装置の口金

Publications (2)

Publication Number Publication Date
JPS6244424A JPS6244424A (ja) 1987-02-26
JPH0588171B2 true JPH0588171B2 (en]) 1993-12-21

Family

ID=16159247

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60184785A Granted JPS6244424A (ja) 1985-08-22 1985-08-22 合成樹脂製複合管製造装置の口金

Country Status (1)

Country Link
JP (1) JPS6244424A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0550964U (ja) * 1991-10-18 1993-07-02 株式会社小糸製作所 モータ装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100562364B1 (ko) 2003-11-24 2006-03-21 주식회사 선진프라스틱 소음방지 삼중 직관의 제조방법 및 성형장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455972A1 (fr) * 1979-05-10 1980-12-05 Sogecan Ste Gle Canalisations Procede et appareillage pour l'extrusion de tubes plastiques a parois composites

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0550964U (ja) * 1991-10-18 1993-07-02 株式会社小糸製作所 モータ装置

Also Published As

Publication number Publication date
JPS6244424A (ja) 1987-02-26

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term