JPH0467023U - - Google Patents

Info

Publication number
JPH0467023U
JPH0467023U JP10928190U JP10928190U JPH0467023U JP H0467023 U JPH0467023 U JP H0467023U JP 10928190 U JP10928190 U JP 10928190U JP 10928190 U JP10928190 U JP 10928190U JP H0467023 U JPH0467023 U JP H0467023U
Authority
JP
Japan
Prior art keywords
gas
discharge port
injection mold
cavity
gas discharge
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.)
Pending
Application number
JP10928190U
Other languages
Japanese (ja)
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 JP10928190U priority Critical patent/JPH0467023U/ja
Publication of JPH0467023U publication Critical patent/JPH0467023U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Description

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

第１図は本考案の射出成形金型の概略を示す断
面図、第２図は第１図の円部の拡大図、第３図
は第２図のＡ−Ａ断面図、第４図はガス吐出口の
部分の組立状態を示す斜視図、第５図は従来技術
の射出成形金型の概略を示す断面図である。 ２……可動側型板、３……キヤビテイ、４……
薄肉成形部、５……厚肉成形部、６……ガス流路
、７……突出板、８……突出しピン、９，１１…
…ガス通路、１０……ガス吐出口、１２……丸孔
、１３……丸棒、ＧＳ……ガス供給手段。 Fig. 1 is a sectional view schematically showing the injection mold of the present invention, Fig. 2 is an enlarged view of the circular part in Fig. 1, Fig. 3 is a sectional view taken along line A-A in Fig. 2, and Fig. 4 is a sectional view showing the outline of the injection mold of the present invention. FIG. 5 is a perspective view showing the assembled state of the gas discharge port portion, and FIG. 5 is a sectional view schematically showing a conventional injection mold. 2...Movable side template, 3...Cavity, 4...
Thin molded part, 5... Thick molded part, 6... Gas flow path, 7... Projection plate, 8... Projection pin, 9, 11...
...Gas passage, 10...Gas discharge port, 12...Round hole, 13...Round bar, GS...Gas supply means.

Claims (1)

【実用新案登録請求の範囲】 (1) キヤビテイに溶融樹脂を射出し、続いて加
圧されたガスを注入することによつて、空洞部を
有する中空構造の成形品を成形する射出成形金型
であつて、 ａ 突出しピンを貫通してガスの通過が可能な
ガス通路が穿孔され、該ガス通路の一端は突出し
ピンのキヤビテイ側の端部に形成されたガス吐出
口に、他端はガス供給手段に連通されており、 ｂ 上記ガス吐出口は、ガスの通過は可能で且
つ溶融樹脂の進入は不可能に形成されているとと
もに、金型が閉じられている時にキヤビテイ内に
開口されている、 ことを特徴とする射出成形金型。 (2) ガス吐出口が隙間の間隔０．３mm以下のス
リツト状に形成されていることを特徴とする、請
求項(1)記載の射出成形金型。 (3) ガス吐出口が突出しピンの側面に形成され
ていることを特徴とする、請求項(1)あるいは(2)
記載の射出成形金型。[Scope of Claim for Utility Model Registration] (1) An injection mold that molds a molded product with a hollow structure by injecting molten resin into the cavity and then injecting pressurized gas into the cavity. a. A gas passage through which gas can pass is bored through the ejecting pin, one end of the gas passage is connected to a gas discharge port formed at the end of the ejecting pin on the cavity side, and the other end is connected to the gas outlet. (b) The gas discharge port is formed to allow gas to pass through but not allow molten resin to enter, and is opened into the cavity when the mold is closed. An injection mold characterized by: (2) The injection mold according to claim (1), wherein the gas discharge port is formed in the shape of a slit with a gap of 0.3 mm or less. (3) Claim (1) or (2), characterized in that the gas discharge port is formed on the side surface of the ejector pin.
The injection mold described.
JP10928190U 1990-10-17 1990-10-17 Pending JPH0467023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10928190U JPH0467023U (en) 1990-10-17 1990-10-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10928190U JPH0467023U (en) 1990-10-17 1990-10-17

Publications (1)

Publication Number Publication Date
JPH0467023U true JPH0467023U (en) 1992-06-15

Family

ID=31856458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10928190U Pending JPH0467023U (en) 1990-10-17 1990-10-17

Country Status (1)

Country Link
JP (1) JPH0467023U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010155398A (en) * 2008-12-27 2010-07-15 Fukuhara Co Ltd Method and apparatus for injection molding

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5745036A (en) * 1980-09-02 1982-03-13 Mitsui Toatsu Chem Inc Blow forming method
JPS61100420A (en) * 1984-10-24 1986-05-19 Matsushita Electric Ind Co Ltd Manufacture of plastic lens
JPS6414012A (en) * 1987-03-16 1989-01-18 Mitsubishi Gas Chemical Co Injection molding equipment
JPH0195007A (en) * 1987-10-08 1989-04-13 Honda Motor Co Ltd Molding method for boss section of resin molded product

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5745036A (en) * 1980-09-02 1982-03-13 Mitsui Toatsu Chem Inc Blow forming method
JPS61100420A (en) * 1984-10-24 1986-05-19 Matsushita Electric Ind Co Ltd Manufacture of plastic lens
JPS6414012A (en) * 1987-03-16 1989-01-18 Mitsubishi Gas Chemical Co Injection molding equipment
JPH0195007A (en) * 1987-10-08 1989-04-13 Honda Motor Co Ltd Molding method for boss section of resin molded product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010155398A (en) * 2008-12-27 2010-07-15 Fukuhara Co Ltd Method and apparatus for injection molding

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