NL7510434A - Plastics extruder with high output - having central space connected to atmosphere - Google Patents

Plastics extruder with high output - having central space connected to atmosphere

Info

Publication number
NL7510434A
NL7510434A NL7510434A NL7510434A NL7510434A NL 7510434 A NL7510434 A NL 7510434A NL 7510434 A NL7510434 A NL 7510434A NL 7510434 A NL7510434 A NL 7510434A NL 7510434 A NL7510434 A NL 7510434A
Authority
NL
Netherlands
Prior art keywords
atmosphere
high output
plastics extruder
central space
space connected
Prior art date
Application number
NL7510434A
Other languages
Dutch (nl)
Original Assignee
Patent & Inventions 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 Patent & Inventions Ltd filed Critical Patent & Inventions Ltd
Priority to NL7510434A priority Critical patent/NL7510434A/en
Publication of NL7510434A publication Critical patent/NL7510434A/en

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

Abstract

A plastics extruder, with nozzle fixed to the barrel and an axially moving worm, has a longitudinal space at the outlet end of the worm and a shaft which does not move relative to the barrel fits tightly into this space. The machine has a high through-put without pressure drop or changing the drive for axial movement of the worm.
NL7510434A 1975-09-04 1975-09-04 Plastics extruder with high output - having central space connected to atmosphere NL7510434A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7510434A NL7510434A (en) 1975-09-04 1975-09-04 Plastics extruder with high output - having central space connected to atmosphere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7510434A NL7510434A (en) 1975-09-04 1975-09-04 Plastics extruder with high output - having central space connected to atmosphere

Publications (1)

Publication Number Publication Date
NL7510434A true NL7510434A (en) 1977-03-08

Family

ID=19824411

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7510434A NL7510434A (en) 1975-09-04 1975-09-04 Plastics extruder with high output - having central space connected to atmosphere

Country Status (1)

Country Link
NL (1) NL7510434A (en)

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed