BR8806625A - Processo para a fabricacao de um artigo,bico para uso em um sistema de moldagem por injecao auxiliado por fluido e processo para a fabricacao de um artigo de espuma estrutural - Google Patents

Processo para a fabricacao de um artigo,bico para uso em um sistema de moldagem por injecao auxiliado por fluido e processo para a fabricacao de um artigo de espuma estrutural

Info

Publication number
BR8806625A
BR8806625A BR888806625A BR8806625A BR8806625A BR 8806625 A BR8806625 A BR 8806625A BR 888806625 A BR888806625 A BR 888806625A BR 8806625 A BR8806625 A BR 8806625A BR 8806625 A BR8806625 A BR 8806625A
Authority
BR
Brazil
Prior art keywords
manufacture
article
nozzle
fluid
injection molding
Prior art date
Application number
BR888806625A
Other languages
English (en)
Inventor
Norman S Loren
Original Assignee
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=26831812&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8806625(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US07/277,233 external-priority patent/US4942006A/en
Application filed by Ladney Michael filed Critical Ladney Michael
Publication of BR8806625A publication Critical patent/BR8806625A/pt

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
    • B29C44/10—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
    • B29C45/1734—Nozzles therefor
    • B29C45/1735—Nozzles for introducing the fluid through the mould gate, e.g. incorporated in the injection nozzle
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems

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)
BR888806625A 1987-12-16 1988-12-15 Processo para a fabricacao de um artigo,bico para uso em um sistema de moldagem por injecao auxiliado por fluido e processo para a fabricacao de um artigo de espuma estrutural BR8806625A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13392587A 1987-12-16 1987-12-16
US07/277,233 US4942006A (en) 1988-12-01 1988-12-01 Method of and apparatus for injection molding with pressurized-fluid assist

Publications (1)

Publication Number Publication Date
BR8806625A true BR8806625A (pt) 1989-08-22

Family

ID=26831812

Family Applications (1)

Application Number Title Priority Date Filing Date
BR888806625A BR8806625A (pt) 1987-12-16 1988-12-15 Processo para a fabricacao de um artigo,bico para uso em um sistema de moldagem por injecao auxiliado por fluido e processo para a fabricacao de um artigo de espuma estrutural

Country Status (7)

Country Link
EP (1) EP0321160B2 (pt)
JP (1) JP2619708B2 (pt)
BR (1) BR8806625A (pt)
CA (1) CA1306088C (pt)
DE (1) DE3880993T3 (pt)
ES (1) ES2040359T5 (pt)
MX (1) MX170699B (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0720640B2 (ja) * 1990-08-03 1995-03-08 旭化成工業株式会社 射出成形ノズル装置
GB9816719D0 (en) * 1998-08-01 1998-09-30 Crewe Precision Engineering Lt A nozzle valve
GB2409715A (en) † 2003-12-31 2005-07-06 Autoliv Dev Moulding of a plastic steering wheel integral with a metal frame by injecting a propellant to form a cavity
KR101323305B1 (ko) * 2012-06-25 2013-10-29 주식회사 상원 에폭시 절연물 성형기의 금형 노즐장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2940123A (en) * 1957-07-17 1960-06-14 Basf Ag Shut-off nozzle for injection molding of thermoplastic materials
US4129635A (en) * 1973-12-28 1978-12-12 Asahi-Dow Limited Method for producing foamed moldings from synthetic resin materials
JPS53102960A (en) * 1977-02-21 1978-09-07 Asahi Chem Ind Co Ltd Injection mold
US4333608A (en) * 1980-09-19 1982-06-08 Ex-Cell-O Corporation Injection molding nozzle
WO1989005226A1 (en) * 1987-12-09 1989-06-15 Siebolt Hettinga Method and injection nozzle unit for molding a plastic article

Also Published As

Publication number Publication date
EP0321160B1 (en) 1993-05-12
ES2040359T3 (es) 1993-10-16
JP2619708B2 (ja) 1997-06-11
EP0321160A2 (en) 1989-06-21
DE3880993T2 (de) 1993-08-19
CA1306088C (en) 1992-08-11
EP0321160A3 (en) 1990-06-27
ES2040359T5 (es) 2000-12-01
DE3880993T3 (de) 2001-11-15
EP0321160B2 (en) 2000-08-02
MX170699B (es) 1993-09-08
DE3880993D1 (de) 1993-06-17
JPH01215522A (ja) 1989-08-29

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