JPH0376647B2 - - Google Patents

Info

Publication number
JPH0376647B2
JPH0376647B2 JP59221470A JP22147084A JPH0376647B2 JP H0376647 B2 JPH0376647 B2 JP H0376647B2 JP 59221470 A JP59221470 A JP 59221470A JP 22147084 A JP22147084 A JP 22147084A JP H0376647 B2 JPH0376647 B2 JP H0376647B2
Authority
JP
Japan
Prior art keywords
ring
screw
backflow prevention
molten plastic
kneading
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
JP59221470A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61100427A (ja
Inventor
Motoo Matsura
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.)
JUKEN KOGYO KK
Original Assignee
JUKEN KOGYO KK
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 JUKEN KOGYO KK filed Critical JUKEN KOGYO KK
Priority to JP22147084A priority Critical patent/JPS61100427A/ja
Publication of JPS61100427A publication Critical patent/JPS61100427A/ja
Publication of JPH0376647B2 publication Critical patent/JPH0376647B2/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/581—Devices for influencing the material flow, e.g. "torpedo constructions" or mixing devices
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/52—Non-return devices
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/52—Non-return devices
    • B29C2045/528—Mixing means forming part of or in close proximity to the non-return valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP22147084A 1984-10-22 1984-10-22 スクリュ−ヘツド部における逆流防止装置 Granted JPS61100427A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22147084A JPS61100427A (ja) 1984-10-22 1984-10-22 スクリュ−ヘツド部における逆流防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22147084A JPS61100427A (ja) 1984-10-22 1984-10-22 スクリュ−ヘツド部における逆流防止装置

Publications (2)

Publication Number Publication Date
JPS61100427A JPS61100427A (ja) 1986-05-19
JPH0376647B2 true JPH0376647B2 (pm) 1991-12-06

Family

ID=16767216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22147084A Granted JPS61100427A (ja) 1984-10-22 1984-10-22 スクリュ−ヘツド部における逆流防止装置

Country Status (1)

Country Link
JP (1) JPS61100427A (pm)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2718800B1 (fr) * 1994-04-13 1996-07-12 Alain Georges Rene Viron Clapet à goupille flottante et autocentrante à deux points d'appuis sur méplats usinés ou forgés suivant un angle donné.
DE10217758B4 (de) 2002-04-20 2005-06-16 Krauss-Maffei Kunststofftechnik Gmbh Rückstromsperre für Spritzgießmaschine
US6709147B1 (en) * 2002-12-05 2004-03-23 Rauwendaal Extrusion Engineering, Inc. Intermeshing element mixer
JP5589328B2 (ja) * 2009-09-18 2014-09-17 宇部興産機械株式会社 射出成形装置のスクリュ
JP2017056655A (ja) * 2015-09-17 2017-03-23 東洋機械金属株式会社 射出成形機
JP7083678B2 (ja) * 2018-03-29 2022-06-13 住友重機械工業株式会社 射出装置および射出成形機
JP7209882B2 (ja) * 2018-04-19 2023-01-20 東洋機械金属株式会社 スクリューヘッド

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6027612Y2 (ja) * 1980-03-15 1985-08-21 株式会社日本製鋼所 射出成形機の逆流防止リングを設けた可塑化スクリユ−
JPS59171917U (ja) * 1983-05-02 1984-11-16 積水化学工業株式会社 射出成形機のスクリユウ

Also Published As

Publication number Publication date
JPS61100427A (ja) 1986-05-19

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