GB2303815B - A gas injection nozzle and a process for gas-assisted injection molding - Google Patents

A gas injection nozzle and a process for gas-assisted injection molding

Info

Publication number
GB2303815B
GB2303815B GB9515697A GB9515697A GB2303815B GB 2303815 B GB2303815 B GB 2303815B GB 9515697 A GB9515697 A GB 9515697A GB 9515697 A GB9515697 A GB 9515697A GB 2303815 B GB2303815 B GB 2303815B
Authority
GB
United Kingdom
Prior art keywords
gas
injection molding
assisted
injection nozzle
nozzle
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.)
Expired - Fee Related
Application number
GB9515697A
Other versions
GB9515697D0 (en
GB2303815A (en
Inventor
Yung-Chih Chen
Wen-Liang Liu
Long-Cheng Cheng
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.)
Industrial Technology Research Institute ITRI
Original Assignee
Industrial Technology Research Institute ITRI
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 Industrial Technology Research Institute ITRI filed Critical Industrial Technology Research Institute ITRI
Priority to GB9515697A priority Critical patent/GB2303815B/en
Priority to DE19528975A priority patent/DE19528975C3/en
Publication of GB9515697D0 publication Critical patent/GB9515697D0/en
Publication of GB2303815A publication Critical patent/GB2303815A/en
Application granted granted Critical
Publication of GB2303815B publication Critical patent/GB2303815B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C45/1734—Nozzles therefor
    • 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
    • B29C2045/1739—Nozzles therefor controlling the temperature or heat-transfer in fluid injection nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB9515697A 1995-07-31 1995-07-31 A gas injection nozzle and a process for gas-assisted injection molding Expired - Fee Related GB2303815B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9515697A GB2303815B (en) 1995-07-31 1995-07-31 A gas injection nozzle and a process for gas-assisted injection molding
DE19528975A DE19528975C3 (en) 1995-07-31 1995-08-07 Gas injection nozzle and gas-assisted injection molding process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9515697A GB2303815B (en) 1995-07-31 1995-07-31 A gas injection nozzle and a process for gas-assisted injection molding
DE19528975A DE19528975C3 (en) 1995-07-31 1995-08-07 Gas injection nozzle and gas-assisted injection molding process

Publications (3)

Publication Number Publication Date
GB9515697D0 GB9515697D0 (en) 1995-09-27
GB2303815A GB2303815A (en) 1997-03-05
GB2303815B true GB2303815B (en) 1997-09-17

Family

ID=26017498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9515697A Expired - Fee Related GB2303815B (en) 1995-07-31 1995-07-31 A gas injection nozzle and a process for gas-assisted injection molding

Country Status (2)

Country Link
DE (1) DE19528975C3 (en)
GB (1) GB2303815B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9916740D0 (en) * 1999-07-17 1999-09-15 Univ Warwick Gas injection moulding method and apparatus
DE10224334A1 (en) * 2002-06-02 2003-12-11 Battenfeld Gmbh Cooling an injection module

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5222514A (en) * 1989-03-28 1993-06-29 Krauss Maffei A.G. Method of operating a gas sealing valve and valve equipped plastic processing installation
WO1993023228A1 (en) * 1992-05-18 1993-11-25 Cinpres Limited Method and apparatus for injection moulding

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8706204D0 (en) * 1987-03-16 1987-04-23 Peerless Cinpres Ltd Injection moulding apparatus
GB8722620D0 (en) * 1987-09-25 1987-11-04 Cinpres Ltd Injection moulding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5222514A (en) * 1989-03-28 1993-06-29 Krauss Maffei A.G. Method of operating a gas sealing valve and valve equipped plastic processing installation
WO1993023228A1 (en) * 1992-05-18 1993-11-25 Cinpres Limited Method and apparatus for injection moulding

Also Published As

Publication number Publication date
DE19528975A1 (en) 1997-02-13
GB9515697D0 (en) 1995-09-27
GB2303815A (en) 1997-03-05
DE19528975C3 (en) 1999-07-29
DE19528975C2 (en) 1997-07-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020731