NO136447B - - Google Patents

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Publication number
NO136447B
NO136447B NO276670A NO276670A NO136447B NO 136447 B NO136447 B NO 136447B NO 276670 A NO276670 A NO 276670A NO 276670 A NO276670 A NO 276670A NO 136447 B NO136447 B NO 136447B
Authority
NO
Norway
Prior art keywords
foam
openings
temperature
production
polystyrene
Prior art date
Application number
NO276670A
Other languages
English (en)
Norwegian (no)
Other versions
NO136447C (no
Inventor
W H Skoroszewski
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of NO136447B publication Critical patent/NO136447B/no
Publication of NO136447C publication Critical patent/NO136447C/no

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
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/28Closure devices therefor
    • B29C45/2803Closure devices therefor comprising a member with an opening or the injection nozzle movable into or out of alignment with the sprue channel or mould gate
    • 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
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/38Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/424Details of machines
    • 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
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/38Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/424Details of machines
    • B29C44/425Valve or nozzle constructions; Details of injection devices
    • 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
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/58Moulds
    • B29C44/581Closure devices for pour holes
    • 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
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/2725Manifolds
    • 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
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/2725Manifolds
    • B29C2045/2733Inserts, plugs, bushings
    • 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
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C2045/2762Seals between nozzle and manifold
    • 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
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C2045/277Spacer means or pressure pads between manifold and mould plates
    • 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
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C2045/2791Alignment means between nozzle and manifold
    • 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
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701Details not specific to hot or cold runner channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
NO276670A 1969-07-17 1970-07-15 Fremgangsm}te og apparat for fremstilling av gjenstander fra skumbare termoplastiske materialer ved spr¦ytest¦ping. NO136447C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3599469 1969-07-17

Publications (2)

Publication Number Publication Date
NO136447B true NO136447B (zh) 1977-05-31
NO136447C NO136447C (no) 1977-09-07

Family

ID=10383805

Family Applications (1)

Application Number Title Priority Date Filing Date
NO276670A NO136447C (no) 1969-07-17 1970-07-15 Fremgangsm}te og apparat for fremstilling av gjenstander fra skumbare termoplastiske materialer ved spr¦ytest¦ping.

Country Status (8)

Country Link
BE (1) BE753427A (zh)
CA (1) CA942019A (zh)
DE (1) DE2035159A1 (zh)
FR (1) FR2055102A5 (zh)
GB (1) GB1317439A (zh)
NL (1) NL164225C (zh)
NO (1) NO136447C (zh)
SE (1) SE360302B (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51136742A (en) * 1975-05-21 1976-11-26 Fuji Plastics Runnerless mold of hot runner type
DE2826709C2 (de) * 1978-06-19 1983-11-03 Didier-Werke Ag, 6200 Wiesbaden Schieberplatte für Schiebeverschlüsse an Metallschmelze enthaltenden Behältern sowie Verfahren zur Herstellung solcher Schieberplatten
DE3220707C2 (de) * 1982-06-02 1984-08-09 Dr. Boy GmbH, 5466 Neustadt Mehrfachdüse, angeordnet am Spritzkopf einer Spritzgießmaschine
CA1239515A (en) * 1985-09-13 1988-07-26 Jobst U. Gellert Injection molding manifold system having balanced bridging manifold
CA2022123C (en) * 1990-07-27 1998-02-03 Jobst Ulrich Gellert Injection molding insulative and resilient spacer member
ES2150254T3 (es) * 1996-06-12 2000-11-16 Hofstetter Ag Otto Dispositivo de bloque distribuidor de coinyeccion con canales calientes.
WO2004041505A1 (en) * 2002-11-06 2004-05-21 Pawel Samotik Shut-off device and method for hot runner gates
WO2012170758A1 (en) 2011-06-09 2012-12-13 Husky Injection Molding Systems Ltd Wear-resistant assembly for contacting components of mold-tool system
CN111421738A (zh) * 2020-06-15 2020-07-17 常源科技(天津)有限公司 一种平面封胶式微开模发泡注塑模具
CN116533455B (zh) * 2023-05-11 2023-11-03 湖北正策电气设备有限公司 一种用于全自动橡胶射出成型机的电缆插拔头冷流道模具

Also Published As

Publication number Publication date
NL7010434A (zh) 1971-01-19
SE360302B (zh) 1973-09-24
NL164225B (nl) 1980-07-15
CA942019A (en) 1974-02-19
BE753427A (nl) 1971-01-14
GB1317439A (en) 1973-05-16
DE2035159A1 (de) 1971-02-11
FR2055102A5 (zh) 1971-05-07
NO136447C (no) 1977-09-07
NL164225C (nl) 1980-12-15

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