JPH045529B2 - - Google Patents

Info

Publication number
JPH045529B2
JPH045529B2 JP15021686A JP15021686A JPH045529B2 JP H045529 B2 JPH045529 B2 JP H045529B2 JP 15021686 A JP15021686 A JP 15021686A JP 15021686 A JP15021686 A JP 15021686A JP H045529 B2 JPH045529 B2 JP H045529B2
Authority
JP
Japan
Prior art keywords
screw head
ring valve
valve
screw
heating cylinder
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
JP15021686A
Other languages
English (en)
Japanese (ja)
Other versions
JPS634924A (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 JP15021686A priority Critical patent/JPS634924A/ja
Publication of JPS634924A publication Critical patent/JPS634924A/ja
Publication of JPH045529B2 publication Critical patent/JPH045529B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP15021686A 1986-06-26 1986-06-26 逆流防止弁付スクリユヘッド Granted JPS634924A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15021686A JPS634924A (ja) 1986-06-26 1986-06-26 逆流防止弁付スクリユヘッド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15021686A JPS634924A (ja) 1986-06-26 1986-06-26 逆流防止弁付スクリユヘッド

Publications (2)

Publication Number Publication Date
JPS634924A JPS634924A (ja) 1988-01-09
JPH045529B2 true JPH045529B2 (pm) 1992-01-31

Family

ID=15492073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15021686A Granted JPS634924A (ja) 1986-06-26 1986-06-26 逆流防止弁付スクリユヘッド

Country Status (1)

Country Link
JP (1) JPS634924A (pm)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0262219A (ja) * 1988-08-29 1990-03-02 Fanuc Ltd 射出成形機のスクリューヘッド
JP7388155B2 (ja) * 2019-11-27 2023-11-29 株式会社豊田中央研究所 射出成形用スクリュ

Also Published As

Publication number Publication date
JPS634924A (ja) 1988-01-09

Similar Documents

Publication Publication Date Title
CA2687054A1 (en) Rotary valve assembly for an injection nozzle
JPH045529B2 (pm)
GB1463271A (en) Apparatus for rotating and displacing in axial direction a machine element
GB1182907A (en) Injection Molding Machine.
US3550208A (en) Plasticator screws having non-return valve means
JPH0653122U (ja) 射出成形機の逆流防止リング
US4472058A (en) Injection assembly for a molding machine
JP2556248B2 (ja) 射出成形機の逆流防止装置
JPS6321393Y2 (pm)
JPH043777Y2 (pm)
JPS60175619U (ja) 射出成形機
JPH0513047B2 (pm)
JPS6321395Y2 (pm)
JPH054985Y2 (pm)
JPH0345325A (ja) 射出成形機の逆流防止装置および逆流防止方法
JPH035731Y2 (pm)
JP3062766U (ja) 射出成形機の逆流防止弁
JP2883018B2 (ja) 射出成形機の逆流防止機構
GB1406066A (en) Cylinder heads for internal combustion piston engines
JPS6375314U (pm)
JPH0737853Y2 (ja) 射出成形機の逆流防止装置
JPH0471817A (ja) 樹脂成形スクリュ用逆止リング
JP2623223B2 (ja) スクリュ逆止弁
JPH0351136Y2 (pm)
JP2520672Y2 (ja) 射出装置の逆流防止構造