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AU6287394A - Apparatus for and a method of injection moulding - Google Patents

Apparatus for and a method of injection moulding

Info

Publication number
AU6287394A
AU6287394A AU62873/94A AU6287394A AU6287394A AU 6287394 A AU6287394 A AU 6287394A AU 62873/94 A AU62873/94 A AU 62873/94A AU 6287394 A AU6287394 A AU 6287394A AU 6287394 A AU6287394 A AU 6287394A
Authority
AU
Australia
Prior art keywords
injection moulding
moulding
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.)
Abandoned
Application number
AU62873/94A
Inventor
Terence Colwyn Pearson
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.)
GAS INJECTION Ltd
Original Assignee
GAS INJECTION Ltd
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 GAS INJECTION Ltd filed Critical GAS INJECTION Ltd
Publication of AU6287394A publication Critical patent/AU6287394A/en
Abandoned legal-status Critical Current

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
    • 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
    • B29C45/174—Applying a pressurised fluid to the outer surface of the injected material inside the mould cavity, e.g. for preventing shrinkage marks
    • 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
    • B29C45/1734—Nozzles therefor
    • B29C45/1736—Nozzles therefor provided with small holes permitting the flow of gas therethrough, e.g. using a porous element of sintered material

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)
AU62873/94A 1993-03-27 1994-03-24 Apparatus for and a method of injection moulding Abandoned AU6287394A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9306414 1993-03-27
GB939306414A GB9306414D0 (en) 1993-03-27 1993-03-27 Apparatus for and a method of injection moulding case ii
PCT/GB1994/000613 WO1994022652A1 (en) 1993-03-27 1994-03-24 Apparatus for and a method of injection moulding

Publications (1)

Publication Number Publication Date
AU6287394A true AU6287394A (en) 1994-10-24

Family

ID=10732870

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62873/94A Abandoned AU6287394A (en) 1993-03-27 1994-03-24 Apparatus for and a method of injection moulding

Country Status (3)

Country Link
AU (1) AU6287394A (en)
GB (1) GB9306414D0 (en)
WO (1) WO1994022652A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19949539C1 (en) * 1999-10-14 2001-03-01 Battenfeld Gmbh Injection molding method to produce intersecting, reinforced wall sections avoiding collapse, effects movement of transition region plastic towards intersection point by fluid injection
JP4108269B2 (en) 2000-12-07 2008-06-25 株式会社リコー Resin molding apparatus and resin molding method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59220337A (en) * 1983-05-31 1984-12-11 Ichikoh Ind Ltd Injection molding method of molded article made of synthetic resin having boss part
KR910700135A (en) * 1988-12-05 1991-03-14 이이 캐롤 로버트 Injection molding method and apparatus
GB9202165D0 (en) * 1992-02-01 1992-03-18 Pearson Terence C Gas-assisted injection moulding method and apparatus

Also Published As

Publication number Publication date
WO1994022652A1 (en) 1994-10-13
GB9306414D0 (en) 1993-05-19

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