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NO180526B - Fremgangsmåte til spröytestöpning av en hul plastgjenstand - Google Patents

Fremgangsmåte til spröytestöpning av en hul plastgjenstand Download PDF

Info

Publication number
NO180526B
NO180526B NO910070A NO910070A NO180526B NO 180526 B NO180526 B NO 180526B NO 910070 A NO910070 A NO 910070A NO 910070 A NO910070 A NO 910070A NO 180526 B NO180526 B NO 180526B
Authority
NO
Norway
Prior art keywords
plastic
mold cavity
gas
injection molding
mold
Prior art date
Application number
NO910070A
Other languages
English (en)
Norwegian (no)
Other versions
NO910070L (no
NO910070D0 (no
Inventor
James W Hendry
Original Assignee
Melea Ltd
Ladney Michael
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=22809963&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO180526(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Melea Ltd, Ladney Michael filed Critical Melea Ltd
Publication of NO910070D0 publication Critical patent/NO910070D0/no
Publication of NO910070L publication Critical patent/NO910070L/no
Priority to NO964161A priority Critical patent/NO305691B1/no
Publication of NO180526B publication Critical patent/NO180526B/no

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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0055—Moulds or cores; Details thereof or accessories therefor with incorporated overflow cavities
    • 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
    • B29C45/1711—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 and removing excess material from the mould cavity by the introduced fluid, e.g. to an overflow cavity
    • 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
    • B29C2045/1729—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 fluid venting means
    • 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
    • B29C2045/173—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 a plurality of fluid injection nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
NO910070A 1988-07-11 1991-01-08 Fremgangsmåte til spröytestöpning av en hul plastgjenstand NO180526B (no)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO964161A NO305691B1 (no) 1988-07-11 1996-10-02 FremgangsmÕte ved spr°ytest°pning av en hul plastgjenstand

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/217,175 US5098637A (en) 1988-07-11 1988-07-11 Process for injection molding and hollow plastic article produced thereby
PCT/US1989/002815 WO1990000466A1 (fr) 1988-07-11 1989-06-26 Procede de moulage par injection et article en plastique creux ainsi produit

Publications (3)

Publication Number Publication Date
NO910070D0 NO910070D0 (no) 1991-01-08
NO910070L NO910070L (no) 1991-01-10
NO180526B true NO180526B (no) 1997-01-27

Family

ID=22809963

Family Applications (1)

Application Number Title Priority Date Filing Date
NO910070A NO180526B (no) 1988-07-11 1991-01-08 Fremgangsmåte til spröytestöpning av en hul plastgjenstand

Country Status (10)

Country Link
US (1) US5098637A (fr)
EP (1) EP0424435B1 (fr)
JP (1) JP2777595B2 (fr)
BR (1) BR8907520A (fr)
CA (1) CA1327874C (fr)
DE (1) DE68929311T2 (fr)
DK (1) DK284590D0 (fr)
MX (1) MX166392B (fr)
NO (1) NO180526B (fr)
WO (1) WO1990000466A1 (fr)

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Also Published As

Publication number Publication date
EP0424435B1 (fr) 2001-07-04
MX166392B (es) 1993-01-06
DK284590A (da) 1990-11-29
JP2777595B2 (ja) 1998-07-16
JPH03505851A (ja) 1991-12-19
BR8907520A (pt) 1991-05-28
NO910070L (no) 1991-01-10
CA1327874C (fr) 1994-03-22
DE68929311D1 (de) 2001-08-09
NO910070D0 (no) 1991-01-08
DE68929311T2 (de) 2002-05-02
EP0424435A4 (en) 1991-07-03
DK284590D0 (da) 1990-11-29
EP0424435A1 (fr) 1991-05-02
WO1990000466A1 (fr) 1990-01-25
US5098637A (en) 1992-03-24

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