JPH01153920U - - Google Patents

Info

Publication number
JPH01153920U
JPH01153920U JP1988046682U JP4668288U JPH01153920U JP H01153920 U JPH01153920 U JP H01153920U JP 1988046682 U JP1988046682 U JP 1988046682U JP 4668288 U JP4668288 U JP 4668288U JP H01153920 U JPH01153920 U JP H01153920U
Authority
JP
Japan
Prior art keywords
resin
torpedo
layer
cylindrical tube
shaped cylindrical
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
JP1988046682U
Other languages
Japanese (ja)
Other versions
JPH0547628Y2 (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)

Description

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

第１図は本考案２層樹脂結合用アダプター金型
の一実施例を示す断面図、第２図は第１図中の
―線により切断し矢印方向にみた断面図、第３
図は第１図中の―線により切断し矢印方向に
みた断面図、第４図及び第５図は本考案２層樹脂
結合用アダプター金型の他の実施例をそれぞれ示
す断面図、第６図は従来例を示す断面図、第７図
は従来例の２層樹脂結合用アダプター金型を用い
て成形した多層構造の管状体を示す図である。 符号の説明、１……結合用アダプター金型、２
……内層用樹脂、３……外層用樹脂、４，５……
押出機、６……後部アダプター本体、７……前部
アダプター本体、８……円形状空洞、８１……内
周壁、９……管状体成形用ダイ、１０……トーピ
ード状円筒管、１１……ブリツジ、１２……吐出
口、１３……外周壁、１４……外層用樹脂通路、
１５……内層用樹脂通路、１７……絞り部、１９
……内層流、２３……外層流。 Fig. 1 is a sectional view showing an embodiment of the adapter mold for two-layer resin bonding of the present invention, Fig. 2 is a sectional view taken along the - line in Fig. 1 and viewed in the direction of the arrow;
The figure is a sectional view taken along the line - in Fig. 1 and viewed in the direction of the arrow; Figs. 4 and 5 are sectional views showing other embodiments of the adapter mold for two-layer resin bonding of the present invention; The figure is a sectional view showing a conventional example, and FIG. 7 is a diagram showing a multilayer structure tubular body molded using a conventional two-layer resin bonding adapter mold. Explanation of symbols, 1... Connecting adapter mold, 2
...Resin for inner layer, 3...Resin for outer layer, 4,5...
Extruder, 6... Rear adapter body, 7... Front adapter body, 8... Circular cavity, 81... Inner peripheral wall, 9... Die for forming tubular body, 10... Torpedo-shaped cylindrical tube, 11... ... bridge, 12 ... discharge port, 13 ... outer peripheral wall, 14 ... resin passage for outer layer,
15... Resin passage for inner layer, 17... Squeezed part, 19
...Inner layer flow, 23...Outer layer flow.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] アダプター本体の円形状空洞内に内層用樹脂を
吐出するトーピード状円筒管がブリツジにより支
承されて収容され、トーピード状円筒管の外周壁
とアダプター本体の円柱状空洞の内周壁との間に
形成される環状間隙が外層用樹脂通路として用い
られる２層樹脂結合用アダプター金型において、
トーピード状円筒管前部付近に外層用樹脂通路の
絞り部を有してなり、該絞り部の通路の横断面積
がブリツジにより支承された部分の外層用樹脂通
路の横断面積より小さくなされていることを特徴
とする２層樹脂結合用アダプター金型。 A torpedo-shaped cylindrical tube for discharging the resin for the inner layer is supported and housed in the circular cavity of the adapter body by a bridge, and the torpedo-shaped cylindrical tube is formed between the outer circumferential wall of the torpedo-shaped cylindrical tube and the inner circumferential wall of the cylindrical cavity of the adapter body. In an adapter mold for two-layer resin bonding, in which an annular gap is used as a resin passage for the outer layer,
A constricted portion of the resin passage for the outer layer is provided near the front of the torpedo-shaped cylindrical tube, and the cross-sectional area of the passage of the constricted portion is made smaller than the cross-sectional area of the resin passage for the outer layer in the portion supported by the bridge. An adapter mold for two-layer resin bonding characterized by:
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 true JPH01153920U (en) 1989-10-24
JPH0547628Y2 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012504069A (en) * 2008-09-29 2012-02-16 ストランデクス コーポレーション Die and related method for making extruded synthetic wood
JP2012518557A (en) * 2009-02-21 2012-08-16 ダウ グローバル テクノロジーズ エルエルシー MULTILAYER STRUCTURE HAVING ANNULAR OUTLINE AND MANUFACTURING METHOD AND DEVICE THEREOF

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012504069A (en) * 2008-09-29 2012-02-16 ストランデクス コーポレーション Die and related method for making extruded synthetic wood
JP2012518557A (en) * 2009-02-21 2012-08-16 ダウ グローバル テクノロジーズ エルエルシー MULTILAYER STRUCTURE HAVING ANNULAR OUTLINE AND MANUFACTURING METHOD AND DEVICE THEREOF

Also Published As

Publication number Publication date
JPH0547628Y2 (en) 1993-12-15

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