IN163248B - - Google Patents

Info

Publication number
IN163248B
IN163248B IN331/BOM/85A IN331BO1985A IN163248B IN 163248 B IN163248 B IN 163248B IN 331BO1985 A IN331BO1985 A IN 331BO1985A IN 163248 B IN163248 B IN 163248B
Authority
IN
India
Prior art keywords
plastics material
fluid
injection moulding
stream
mould
Prior art date
Application number
IN331/BOM/85A
Other languages
English (en)
Inventor
Henry James Watson
Original Assignee
Henry James Watson
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=IN163248(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Henry James Watson filed Critical Henry James Watson
Publication of IN163248B publication Critical patent/IN163248B/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
    • 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)
IN331/BOM/85A 1983-05-11 1985-12-10 IN163248B (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IN163248B true IN163248B (es) 1988-08-27

Family

ID=10542531

Family Applications (1)

Application Number Title Priority Date Filing Date
IN331/BOM/85A IN163248B (es) 1983-05-11 1985-12-10

Country Status (13)

Country Link
US (1) US4824732A (es)
EP (1) EP0127961B2 (es)
JP (1) JPS6024913A (es)
AT (1) ATE51797T1 (es)
CA (1) CA1227006A (es)
DE (2) DE3481900D1 (es)
DK (1) DK172952B1 (es)
ES (1) ES8504546A1 (es)
GB (1) GB2139548B (es)
IE (1) IE57661B1 (es)
IN (1) IN163248B (es)
MX (1) MX160422A (es)
PT (1) PT78572B (es)

Families Citing this family (142)

* Cited by examiner, † Cited by third party
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DK172952B1 (da) 1999-10-18
ES532382A0 (es) 1985-04-16
AU2789384A (en) 1984-11-15
DK232484A (da) 1984-11-12
GB2139548B (en) 1986-11-19
JPH0347171B2 (es) 1991-07-18
DK232484D0 (da) 1984-05-10
JPS6024913A (ja) 1985-02-07
CA1227006A (en) 1987-09-22
US4824732A (en) 1989-04-25
DE3481900D1 (de) 1990-05-17
PT78572B (en) 1986-05-08
EP0127961B1 (en) 1990-04-11
EP0127961A2 (en) 1984-12-12
EP0127961B2 (en) 1996-09-04
AU568375B2 (en) 1987-12-24
DE127961T1 (de) 1986-04-10
GB2139548A (en) 1984-11-14
IE57661B1 (en) 1993-02-24
GB8312933D0 (en) 1983-06-15
PT78572A (en) 1984-06-01
MX160422A (es) 1990-02-22
ES8504546A1 (es) 1985-04-16
EP0127961A3 (en) 1986-02-19
IE841126L (en) 1984-11-11
ATE51797T1 (de) 1990-04-15

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