JPH0384112U - - Google Patents

Info

Publication number
JPH0384112U
JPH0384112U JP1989144056U JP14405689U JPH0384112U JP H0384112 U JPH0384112 U JP H0384112U JP 1989144056 U JP1989144056 U JP 1989144056U JP 14405689 U JP14405689 U JP 14405689U JP H0384112 U JPH0384112 U JP H0384112U
Authority
JP
Japan
Prior art keywords
resin
resin path
path
annular
movable
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.)
Granted
Application number
JP1989144056U
Other languages
Japanese (ja)
Other versions
JPH0726096Y2 (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 JP1989144056U priority Critical patent/JPH0726096Y2/en
Publication of JPH0384112U publication Critical patent/JPH0384112U/ja
Application granted granted Critical
Publication of JPH0726096Y2 publication Critical patent/JPH0726096Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • 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

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案に係るパリスンの押出装置の一
実施例を示す断面図、第２図ないし第５図はそれ
ぞれ作用説明するための要部の断面図、第６図は
本考案の他の実施例である樹脂通路の出口側端部
を縮径したパリスンの押出装置を示す第２図と同
様の要部断面図である。 １…ダイ、２…マンドル、３…可動環状体、４
…第１樹脂路、５…第２樹脂路、６…拡径部、７
…第１樹脂注入部、８…第２樹脂注入部、１０…
パリスン、１１…第１樹脂層、１２…第２樹脂層
。 Fig. 1 is a sectional view showing one embodiment of a parison extrusion device according to the present invention, Figs. FIG. 2 is a sectional view of a main part similar to FIG. 2, showing a parison extrusion device in which the diameter of the exit side end of the resin passage is reduced according to the embodiment. 1...Die, 2...Mandle, 3...Movable annular body, 4
...First resin path, 5...Second resin path, 6...Enlarged diameter portion, 7
...first resin injection part, 8...second resin injection part, 10...
Parison, 11...first resin layer, 12...second resin layer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第１樹脂と第２樹脂とを積層して層状に押出す
押出装置において、環状樹脂路の出口部を拡径ま
たは縮径する形状に形成するとともに、上記環状
樹脂路内にその外側を第１樹脂路、内側を第２樹
脂路に分ける可動環状体を樹脂路方向に可動自在
に設け、上記可動環状体の樹脂路の出口側端部を
環状樹脂路の形成に沿うように拡径または縮径す
る形状に形成してなることを特徴とするパリスン
の押出装置。 In an extrusion device that laminates a first resin and a second resin and extrudes them in a layered manner, the exit portion of the annular resin path is formed in a shape that expands or contracts in diameter, and the outside of the annular resin path is inserted into the first resin path. A movable annular body that divides the inside of the resin path into a second resin path is provided so as to be movable in the direction of the resin path, and the exit side end of the resin path of the movable annular body is expanded or contracted in diameter along the formation of the annular resin path. A parison extrusion device characterized by being formed into a diameter shape.
JP1989144056U 1989-12-15 1989-12-15 Parison extrusion equipment Expired - Fee Related JPH0726096Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989144056U JPH0726096Y2 (en) 1989-12-15 1989-12-15 Parison extrusion equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989144056U JPH0726096Y2 (en) 1989-12-15 1989-12-15 Parison extrusion equipment

Publications (2)

Publication Number Publication Date
JPH0384112U true JPH0384112U (en) 1991-08-27
JPH0726096Y2 JPH0726096Y2 (en) 1995-06-14

Family

ID=31690793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989144056U Expired - Fee Related JPH0726096Y2 (en) 1989-12-15 1989-12-15 Parison extrusion equipment

Country Status (1)

Country Link
JP (1) JPH0726096Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10278107A (en) * 1997-04-08 1998-10-20 Jsr Corp Multi-layer blow molded product
JPH11151748A (en) * 1997-11-20 1999-06-08 Jsr Corp Multilayered blow molded product
JP2006205746A (en) * 2006-05-11 2006-08-10 Tahara:Kk Blow molding method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753175A (en) * 1980-09-16 1982-03-30 Nec Corp Absence transfer system
JPS60168625A (en) * 1984-02-13 1985-09-02 Ekuseru Kk Manufacture of hollow molded article provided with composite material and manufacturing device thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753175A (en) * 1980-09-16 1982-03-30 Nec Corp Absence transfer system
JPS60168625A (en) * 1984-02-13 1985-09-02 Ekuseru Kk Manufacture of hollow molded article provided with composite material and manufacturing device thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10278107A (en) * 1997-04-08 1998-10-20 Jsr Corp Multi-layer blow molded product
JPH11151748A (en) * 1997-11-20 1999-06-08 Jsr Corp Multilayered blow molded product
JP2006205746A (en) * 2006-05-11 2006-08-10 Tahara:Kk Blow molding method
JP4511492B2 (en) * 2006-05-11 2010-07-28 株式会社タハラ Blow molding method

Also Published As

Publication number Publication date
JPH0726096Y2 (en) 1995-06-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees