JPS61246031A - 射出成形機の逆流防止装置 - Google Patents

射出成形機の逆流防止装置

Info

Publication number
JPS61246031A
JPS61246031A JP8744285A JP8744285A JPS61246031A JP S61246031 A JPS61246031 A JP S61246031A JP 8744285 A JP8744285 A JP 8744285A JP 8744285 A JP8744285 A JP 8744285A JP S61246031 A JPS61246031 A JP S61246031A
Authority
JP
Japan
Prior art keywords
hardness
backflow prevention
prevention ring
screw head
ring
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
JP8744285A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0160406B2 (enrdf_load_stackoverflow
Inventor
Yuji Kihara
木原　勇二
Tadaki Sakai
忠基 酒井
Makoto Inoue
誠 井上
Shozo Tanida
谷田　祥三
Kiyoshi Tanaka
基義 田中
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.)
Japan Steel Works Ltd
Denso Corp
Original Assignee
Japan Steel Works Ltd
NipponDenso Co Ltd
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 Japan Steel Works Ltd, NipponDenso Co Ltd filed Critical Japan Steel Works Ltd
Priority to JP8744285A priority Critical patent/JPS61246031A/ja
Publication of JPS61246031A publication Critical patent/JPS61246031A/ja
Publication of JPH0160406B2 publication Critical patent/JPH0160406B2/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
    • B29C45/47—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
    • B29C2045/526—Abrasion resistant means in the screw head or non-return device

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP8744285A 1985-04-25 1985-04-25 射出成形機の逆流防止装置 Granted JPS61246031A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8744285A JPS61246031A (ja) 1985-04-25 1985-04-25 射出成形機の逆流防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8744285A JPS61246031A (ja) 1985-04-25 1985-04-25 射出成形機の逆流防止装置

Publications (2)

Publication Number Publication Date
JPS61246031A true JPS61246031A (ja) 1986-11-01
JPH0160406B2 JPH0160406B2 (enrdf_load_stackoverflow) 1989-12-22

Family

ID=13914970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8744285A Granted JPS61246031A (ja) 1985-04-25 1985-04-25 射出成形機の逆流防止装置

Country Status (1)

Country Link
JP (1) JPS61246031A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677371A1 (fr) * 1994-04-13 1995-10-18 Alain Viron Ensemble clapet pointe de vis à goupille
WO2000023248A1 (de) * 1998-10-21 2000-04-27 Mannesmann Ag Plastifiziereinheit in spritzgiessmaschinen mit rückstromsperre

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58163221U (ja) * 1982-04-23 1983-10-31 株式会社日本製鋼所 射出成形機の逆流防止装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58163221U (ja) * 1982-04-23 1983-10-31 株式会社日本製鋼所 射出成形機の逆流防止装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677371A1 (fr) * 1994-04-13 1995-10-18 Alain Viron Ensemble clapet pointe de vis à goupille
FR2718800A1 (fr) * 1994-04-13 1995-10-20 Viron Alain Georges Rene Clapet à goupille flottante et autocentrante à deux points d'appuis sur méplats usinés ou forgés suivant un angle donné.
US6227841B1 (en) 1994-04-13 2001-05-08 Nestal Machinery Ltd. Valve and pinned screw point assembly
WO2000023248A1 (de) * 1998-10-21 2000-04-27 Mannesmann Ag Plastifiziereinheit in spritzgiessmaschinen mit rückstromsperre
US6554603B1 (en) * 1998-10-21 2003-04-29 Demag Ergotech Gmbh Plastifying unit in injection-moulding machines with a nonreturn valve

Also Published As

Publication number Publication date
JPH0160406B2 (enrdf_load_stackoverflow) 1989-12-22

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term