ZA200803607B - Moulding method and apparatus - Google Patents

Moulding method and apparatus

Info

Publication number
ZA200803607B
ZA200803607B ZA200803607A ZA200803607A ZA200803607B ZA 200803607 B ZA200803607 B ZA 200803607B ZA 200803607 A ZA200803607 A ZA 200803607A ZA 200803607 A ZA200803607 A ZA 200803607A ZA 200803607 B ZA200803607 B ZA 200803607B
Authority
ZA
South Africa
Prior art keywords
cavity
plastics material
packing piston
mould cavity
molten plastics
Prior art date
Application number
ZA200803607A
Other languages
English (en)
Inventor
Crawford David Barry
Original Assignee
Lomold Corp Nv
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 Lomold Corp Nv filed Critical Lomold Corp Nv
Publication of ZA200803607B publication Critical patent/ZA200803607B/xx

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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • B29C45/572—Exerting after-pressure on the moulding material using movable mould wall or runner parts
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • 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
    • B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
    • 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
    • B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
    • B29C2045/025—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity with the transfer plunger surface forming a part of the mould cavity wall at the end of the plunger transfer movement
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
    • B29C2045/538—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston the plunger being part of the mould cavity wall after injection
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • B29C45/572—Exerting after-pressure on the moulding material using movable mould wall or runner parts
    • B29C2045/577—Exerting after-pressure on the moulding material using movable mould wall or runner parts pushing the material in the runner channel until a pin or slider reaches the mould cavity wall

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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Ropes Or Cables (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
ZA200803607A 2005-10-26 2008-04-24 Moulding method and apparatus ZA200803607B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/258,011 US20070090571A1 (en) 2005-10-26 2005-10-26 Moulding method and apparatus

Publications (1)

Publication Number Publication Date
ZA200803607B true ZA200803607B (en) 2009-07-29

Family

ID=37692462

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200803607A ZA200803607B (en) 2005-10-26 2008-04-24 Moulding method and apparatus

Country Status (11)

Country Link
US (3) US20070090571A1 (de)
EP (1) EP1940601B1 (de)
JP (1) JP4871956B2 (de)
KR (1) KR101006147B1 (de)
CN (1) CN101312815B (de)
AT (1) ATE477101T1 (de)
DE (1) DE602006016151D1 (de)
ES (1) ES2350598T3 (de)
RU (1) RU2378114C1 (de)
WO (1) WO2007049146A1 (de)
ZA (1) ZA200803607B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201017926D0 (en) 2010-09-15 2010-12-01 Toit Pieter W Du Moulding of fibre reinforced thermoplastic materials
GB201111872D0 (en) 2011-07-11 2011-08-24 Schmitt Karl Heinz Mould and method of moulding
GB2514141B (en) * 2013-05-14 2015-11-04 Oxford Plastic Sys Ltd Injection moulding
GB2520769B (en) * 2013-12-02 2016-03-09 Subsea 7 Ltd Techniques for coating pipeline field joints
WO2016059358A1 (en) * 2014-10-16 2016-04-21 Oxford Plastic Systems Limited Method and apparatus for injection moulding articles using pistons

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505540A (en) 1945-02-15 1950-04-25 Goldhard Franz Karl Injection molding apparatus
DE2031657A1 (de) * 1970-06-26 1971-12-30 Krauss Maffei Ag Verfahren und Vorrichtung zum Betreiben einer Spritzgießmaschine
CH619890A5 (de) * 1976-07-02 1980-10-31 Buehler Ag Geb
US4722679A (en) * 1986-06-13 1988-02-02 Tri-Delta Technology, Inc. Injection molding machine
JPH06505926A (ja) * 1989-10-12 1994-07-07 世紀株式会社 改良保圧室式射出成形方法と装置
JP3191276B2 (ja) * 1993-09-06 2001-07-23 三菱マテリアル株式会社 ランナーレス金型
AUPO752297A0 (en) * 1997-06-26 1997-07-17 Vicfam Plastics Recycling Pty. Ltd. Manufacturing process and apparatus
DE19819833C2 (de) 1998-05-04 2002-01-17 Battenfeld Gmbh Verfahren und Vorrichtung zum Einspritzen von Kunststoffmaterial
JP3316800B2 (ja) * 1998-10-20 2002-08-19 日精樹脂工業株式会社 プリプラ式射出成形機の可塑化装置
DE19948278A1 (de) * 1999-10-06 2001-04-19 Battenfeld Gmbh Verfahren und Vorrichtung zum Mehrkomponenten-Spritzgießen von Kunststoff-Formteilen
JP4376375B2 (ja) * 1999-10-06 2009-12-02 東芝機械株式会社 射出成形機の温度制御装置
US7862762B2 (en) * 2000-02-14 2011-01-04 Lomold Corporation Nv Moulding of mouldable materials
JP4367172B2 (ja) * 2004-02-24 2009-11-18 パナソニック電工株式会社 射出装置及び射出成形方法

Also Published As

Publication number Publication date
JP4871956B2 (ja) 2012-02-08
JP2009513388A (ja) 2009-04-02
DE602006016151D1 (de) 2010-09-23
US20070090571A1 (en) 2007-04-26
CN101312815A (zh) 2008-11-26
EP1940601B1 (de) 2010-08-11
WO2007049146A1 (en) 2007-05-03
US7846359B2 (en) 2010-12-07
RU2378114C1 (ru) 2010-01-10
USRE45027E1 (en) 2014-07-22
KR20090084999A (ko) 2009-08-06
EP1940601A1 (de) 2008-07-09
CN101312815B (zh) 2011-01-19
KR101006147B1 (ko) 2011-01-07
US20090218709A1 (en) 2009-09-03
ATE477101T1 (de) 2010-08-15
ES2350598T3 (es) 2011-01-25

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