JPH0160406B2 - - Google Patents

Info

Publication number
JPH0160406B2
JPH0160406B2 JP60087442A JP8744285A JPH0160406B2 JP H0160406 B2 JPH0160406 B2 JP H0160406B2 JP 60087442 A JP60087442 A JP 60087442A JP 8744285 A JP8744285 A JP 8744285A JP H0160406 B2 JPH0160406 B2 JP H0160406B2
Authority
JP
Japan
Prior art keywords
backflow prevention
hardness
prevention ring
pusher
end surface
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
Application number
JP60087442A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61246031A (ja
Inventor
Juji Kihara
Tadaki Sakai
Makoto Inoe
Shozo Tanida
Kyoshi Tanaka
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.)
Denso Corp
Original Assignee
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 NipponDenso Co Ltd filed Critical NipponDenso Co 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)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Producing Shaped Articles From Materials (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 JPS61246031A (ja) 1986-11-01
JPH0160406B2 true JPH0160406B2 (en]) 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 (en])

Families Citing this family (2)

* 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.
DE19849472C2 (de) * 1998-10-21 2002-11-28 Demag Ergotech Gmbh Rückströmsperre für die Plastifizier- und Einspritzschnecke in Spritzgießmaschinen

Family Cites Families (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

Also Published As

Publication number Publication date
JPS61246031A (ja) 1986-11-01

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term