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GB2008964B - Injection of plastics - Google Patents

Injection of plastics

Info

Publication number
GB2008964B
GB2008964B GB7847557A GB7847557A GB2008964B GB 2008964 B GB2008964 B GB 2008964B GB 7847557 A GB7847557 A GB 7847557A GB 7847557 A GB7847557 A GB 7847557A GB 2008964 B GB2008964 B GB 2008964B
Authority
GB
United Kingdom
Prior art keywords
plastics
injection
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
GB7847557A
Other versions
GB2008964A (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB7847557A priority Critical patent/GB2008964B/en
Publication of GB2008964A publication Critical patent/GB2008964A/en
Application granted granted Critical
Publication of GB2008964B publication Critical patent/GB2008964B/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/20Injection nozzles
    • B29C45/24Cleaning equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/44Edge filtering elements, i.e. using contiguous impervious surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/51Screws with internal flow passages, e.g. for molten material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/69Filters or screens for the moulding material
    • B29C48/694Cylindrical or conical filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
GB7847557A 1977-11-24 1978-12-07 Injection of plastics Expired GB2008964B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7847557A GB2008964B (en) 1977-11-24 1978-12-07 Injection of plastics

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4894577 1977-11-24
GB7847557A GB2008964B (en) 1977-11-24 1978-12-07 Injection of plastics

Publications (2)

Publication Number Publication Date
GB2008964A GB2008964A (en) 1979-06-13
GB2008964B true GB2008964B (en) 1982-05-12

Family

ID=26266365

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7847557A Expired GB2008964B (en) 1977-11-24 1978-12-07 Injection of plastics

Country Status (1)

Country Link
GB (1) GB2008964B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1178951B (en) * 1984-05-31 1987-09-16 Mario Beolchi FILTER FOR INJECTOR NOZZLES PARTICULARLY FOR INJECTION MOLDING EQUIPMENT OF PLASTIC MATERIALS AND INJECTOR NOZZLE EQUIPPED WITH SUCH FILTER
EP0172468B1 (en) * 1984-08-22 1989-01-18 OKW ODENWALDER KUNSTSTOFFWERKE GmbH & Co Dirt filter for liquid thermoplastic materials
DD232456B1 (en) * 1984-10-08 1988-07-06 Karl Marx Stadt Tech Hochschul DEVICE FOR RECYCLING PLASTIC MASSES
US4801094A (en) * 1987-01-21 1989-01-31 Price Pfister, Inc. Flow restrictor
DE4112787C1 (en) * 1991-04-19 1992-04-02 Maschinenfabrik Hennecke Gmbh, 5090 Leverkusen, De
CN113478738A (en) * 2021-07-15 2021-10-08 积康螺杆制造(上海)股份有限公司 Filter nozzle

Also Published As

Publication number Publication date
GB2008964A (en) 1979-06-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee