IT967386B - Unita ad ugello di iniezione per macchine di colata d iniezione a coclea - Google Patents

Unita ad ugello di iniezione per macchine di colata d iniezione a coclea

Info

Publication number
IT967386B
IT967386B IT2910472A IT2910472A IT967386B IT 967386 B IT967386 B IT 967386B IT 2910472 A IT2910472 A IT 2910472A IT 2910472 A IT2910472 A IT 2910472A IT 967386 B IT967386 B IT 967386B
Authority
IT
Italy
Prior art keywords
injection
auger
nozzle unit
casting machines
injection nozzle
Prior art date
Application number
IT2910472A
Other languages
English (en)
Inventor
A Lohmann
Original Assignee
Mannesmann Meer Ag
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
Priority claimed from DE19712146735 external-priority patent/DE2146735A1/de
Priority claimed from DE19712146766 external-priority patent/DE2146766A1/de
Application filed by Mannesmann Meer Ag filed Critical Mannesmann Meer Ag
Application granted granted Critical
Publication of IT967386B publication Critical patent/IT967386B/it

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
    • 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
    • B29C45/20—Injection nozzles
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2758—Means for preventing drooling by decompression of the moulding material
    • 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
    • B29C2045/467—Means for plasticising or homogenising the moulding material or forcing it into the mould injecting material into the mould by sudden expansion of compressed material in the injection unit
    • 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
    • B29C2045/5096—Axially movable screw decompression of the moulding material by retraction or opposite rotation of the screw

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT2910472A 1971-09-15 1972-09-12 Unita ad ugello di iniezione per macchine di colata d iniezione a coclea IT967386B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712146735 DE2146735A1 (de) 1971-09-15 1971-09-15 Verfahren zum verarbeiten von thermoplastischem kunststoff in spritzgiessmaschinen
DE19712146766 DE2146766A1 (de) 1971-09-16 1971-09-16 Spritzdueseneinheit fuer scbneckenspritzgiessmaschinen

Publications (1)

Publication Number Publication Date
IT967386B true IT967386B (it) 1974-02-28

Family

ID=25761752

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2910472A IT967386B (it) 1971-09-15 1972-09-12 Unita ad ugello di iniezione per macchine di colata d iniezione a coclea

Country Status (4)

Country Link
JP (1) JPS4856754A (it)
CH (1) CH543955A (it)
FR (1) FR2153047A1 (it)
IT (1) IT967386B (it)

Also Published As

Publication number Publication date
CH543955A (de) 1973-11-15
JPS4856754A (it) 1973-08-09
FR2153047A1 (en) 1973-04-27

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