JPH0384125U - - Google Patents

Info

Publication number
JPH0384125U
JPH0384125U JP14499289U JP14499289U JPH0384125U JP H0384125 U JPH0384125 U JP H0384125U JP 14499289 U JP14499289 U JP 14499289U JP 14499289 U JP14499289 U JP 14499289U JP H0384125 U JPH0384125 U JP H0384125U
Authority
JP
Japan
Prior art keywords
backflow prevention
ring
outer diameter
injection molding
molding machine
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
JP14499289U
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 JP14499289U priority Critical patent/JPH0384125U/ja
Publication of JPH0384125U publication Critical patent/JPH0384125U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)

Description

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

第１図は本考案実施例の逆流防止装置構成図、
第２図は本考案実施例の逆流防止リング斜視図、
第３図は本考案の他の実施例の逆流防止装置構成
図、第４図は従来の技術の逆流防止装置構成図で
ある。 １…逆流防止リング、１ａ…貫通穴、１ｂ…爪
状部位、２…スクリユヘツド、２ａ…ネツク部、
３…マサツリング、４…オシガネ、５…スクリユ
、Ａ、Ｂ…外径。 FIG. 1 is a configuration diagram of a backflow prevention device according to an embodiment of the present invention.
FIG. 2 is a perspective view of a backflow prevention ring according to an embodiment of the present invention;
FIG. 3 is a block diagram of a backflow prevention device according to another embodiment of the present invention, and FIG. 4 is a block diagram of a conventional backflow prevention device. DESCRIPTION OF SYMBOLS 1...Backflow prevention ring, 1a...Through hole, 1b...Claw-shaped part, 2...Screw head, 2a...Neck part,
3... Masatsu ring, 4... Oshigane, 5... Screw, A, B... Outer diameter.

Claims (1)

【実用新案登録請求の範囲】 スクリユヘツド２と逆流防止リング１との回転
摺動部分に、マサツリング３を設けた射出成形機
の非連れ廻り式逆流防止装置において、 前記逆流防止リング１の前側端部の外径寸法Ｂ
をシリンダ内面との間で溶融樹脂が容易に流動で
きるように設定し、前記逆流防止リング１の前側
端部の外径部に内側から外側に向けて放射状の貫
通穴１ａを複数個配設することで可塑化工程時の
樹脂通路を確保したことを特徴とする射出成形機
の逆流防止装置。[Scope of Claim for Utility Model Registration] A non-trailing type backflow prevention device for an injection molding machine in which a massaging ring 3 is provided at the rotating and sliding portion of the screw head 2 and the backflow prevention ring 1, the front end of the backflow prevention ring 1. Outer diameter dimension B
is set so that the molten resin can easily flow between it and the inner surface of the cylinder, and a plurality of radial through holes 1a are provided in the outer diameter portion of the front end of the backflow prevention ring 1 from the inside to the outside. A backflow prevention device for an injection molding machine, which is characterized by securing a resin passage during the plasticization process.
JP14499289U 1989-12-18 1989-12-18 Pending JPH0384125U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14499289U JPH0384125U (en) 1989-12-18 1989-12-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14499289U JPH0384125U (en) 1989-12-18 1989-12-18

Publications (1)

Publication Number Publication Date
JPH0384125U true JPH0384125U (en) 1991-08-27

Family

ID=31691656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14499289U Pending JPH0384125U (en) 1989-12-18 1989-12-18

Country Status (1)

Country Link
JP (1) JPH0384125U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214659A (en) * 1975-07-25 1977-02-03 Mitsubishi Heavy Ind Ltd Injection molding machine
JPS62199416A (en) * 1986-02-27 1987-09-03 Japan Steel Works Ltd:The Ring for preventing back-flow in injection molding machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214659A (en) * 1975-07-25 1977-02-03 Mitsubishi Heavy Ind Ltd Injection molding machine
JPS62199416A (en) * 1986-02-27 1987-09-03 Japan Steel Works Ltd:The Ring for preventing back-flow in injection molding machine

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