DK232484D0 - Fremgangsmaade og apparat til sproejtestoebning af et formstof - Google Patents

Fremgangsmaade og apparat til sproejtestoebning af et formstof

Info

Publication number
DK232484D0
DK232484D0 DK2324/84A DK232484A DK232484D0 DK 232484 D0 DK232484 D0 DK 232484D0 DK 2324/84 A DK2324/84 A DK 2324/84A DK 232484 A DK232484 A DK 232484A DK 232484 D0 DK232484 D0 DK 232484D0
Authority
DK
Denmark
Prior art keywords
plastics material
fluid
injection moulding
stream
mould
Prior art date
Application number
DK2324/84A
Other languages
English (en)
Other versions
DK232484A (da
DK172952B1 (da
Inventor
James Watson Hendry
Geoffrey David Gahan
Original Assignee
James Watson Hendry
Peerless Foam Moulding Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10542531&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK232484(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by James Watson Hendry, Peerless Foam Moulding Co filed Critical James Watson Hendry
Publication of DK232484D0 publication Critical patent/DK232484D0/da
Publication of DK232484A publication Critical patent/DK232484A/da
Application granted granted Critical
Publication of DK172952B1 publication Critical patent/DK172952B1/da

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0492—Devices for feeding the different materials
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • B29C44/105—Applying counter-pressure during expanding the counterpressure being exerted by a fluid
    • 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
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
    • 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
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
    • B29C45/1706—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles using particular fluids or fluid generating substances
    • B29C2045/1707—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles using particular fluids or fluid generating substances using a liquid, e.g. water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/83—Injection molding of polyolefin-type foam

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Cereal-Derived Products (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Fertilizers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DK198402324A 1983-05-11 1984-05-10 Fremgangsmåde og apparat til sprøjtestøbning af et formstof DK172952B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08312933A GB2139548B (en) 1983-05-11 1983-05-11 Injection moulding
GB8312933 1983-05-11

Publications (3)

Publication Number Publication Date
DK232484D0 true DK232484D0 (da) 1984-05-10
DK232484A DK232484A (da) 1984-11-12
DK172952B1 DK172952B1 (da) 1999-10-18

Family

ID=10542531

Family Applications (1)

Application Number Title Priority Date Filing Date
DK198402324A DK172952B1 (da) 1983-05-11 1984-05-10 Fremgangsmåde og apparat til sprøjtestøbning af et formstof

Country Status (13)

Country Link
US (1) US4824732A (da)
EP (1) EP0127961B2 (da)
JP (1) JPS6024913A (da)
AT (1) ATE51797T1 (da)
CA (1) CA1227006A (da)
DE (2) DE127961T1 (da)
DK (1) DK172952B1 (da)
ES (1) ES532382A0 (da)
GB (1) GB2139548B (da)
IE (1) IE57661B1 (da)
IN (1) IN163248B (da)
MX (1) MX160422A (da)
PT (1) PT78572B (da)

Families Citing this family (142)

* Cited by examiner, † Cited by third party
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ES8504546A1 (es) 1985-04-16
DK232484A (da) 1984-11-12
ES532382A0 (es) 1985-04-16
GB2139548B (en) 1986-11-19
AU2789384A (en) 1984-11-15
IE841126L (en) 1984-11-11
MX160422A (es) 1990-02-22
PT78572A (en) 1984-06-01
IE57661B1 (en) 1993-02-24
EP0127961B2 (en) 1996-09-04
EP0127961B1 (en) 1990-04-11
AU568375B2 (en) 1987-12-24
CA1227006A (en) 1987-09-22
GB8312933D0 (en) 1983-06-15
GB2139548A (en) 1984-11-14
IN163248B (da) 1988-08-27
DK172952B1 (da) 1999-10-18
EP0127961A3 (en) 1986-02-19
PT78572B (en) 1986-05-08
EP0127961A2 (en) 1984-12-12
ATE51797T1 (de) 1990-04-15
DE127961T1 (de) 1986-04-10
JPH0347171B2 (da) 1991-07-18
JPS6024913A (ja) 1985-02-07
US4824732A (en) 1989-04-25
DE3481900D1 (de) 1990-05-17

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