GB1540698A - Valve-gated injection moulding mechanism - Google Patents

Valve-gated injection moulding mechanism

Info

Publication number
GB1540698A
GB1540698A GB840277A GB840277A GB1540698A GB 1540698 A GB1540698 A GB 1540698A GB 840277 A GB840277 A GB 840277A GB 840277 A GB840277 A GB 840277A GB 1540698 A GB1540698 A GB 1540698A
Authority
GB
United Kingdom
Prior art keywords
valve
injection moulding
moulding mechanism
gated injection
gated
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
Application number
GB840277A
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US05/731,510 external-priority patent/US4053271A/en
Application filed by Individual filed Critical Individual
Publication of GB1540698A publication Critical patent/GB1540698A/en
Expired 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
    • B29C45/26—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
    • 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
    • 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
    • B29C2045/2761—Seals between nozzle and mould or gate
    • 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
    • B29C45/281—Drive means therefor
    • B29C2045/2834—Needle valves driven by a lever

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
GB840277A 1976-10-12 1977-02-28 Valve-gated injection moulding mechanism Expired GB1540698A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/731,510 US4053271A (en) 1976-02-04 1976-10-12 Valve-gated injection molding mechanism

Publications (1)

Publication Number Publication Date
GB1540698A true GB1540698A (en) 1979-02-14

Family

ID=24939825

Family Applications (1)

Application Number Title Priority Date Filing Date
GB840277A Expired GB1540698A (en) 1976-10-12 1977-02-28 Valve-gated injection moulding mechanism

Country Status (2)

Country Link
CA (1) CA1032318A (en)
GB (1) GB1540698A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016702A1 (en) * 1979-05-07 1980-11-20 Nipki Tech Material DEVICE FOR POINT-FREE CASTING UNDER PRESSURE OF POLYMER PRODUCTS
WO2003028973A1 (en) * 2001-10-03 2003-04-10 Mold-Masters Limited Gap seal between a nozzle and a mold component in a hot-runner assembly for an injection molding apparatus
US6869276B2 (en) 2001-10-03 2005-03-22 Mold-Masters Limited Nozzle seal for an injection molding apparatus
US6962492B2 (en) 2001-10-05 2005-11-08 Mold-Masters Limited Gap seal between nozzle components
WO2006062539A1 (en) * 2004-12-08 2006-06-15 D-M-E Company Nozzle and apparatus for injection molding
EP1813411A2 (en) * 2006-01-31 2007-08-01 Incoe International, Inc. High resistance seals for injection moulding devices
US7780434B2 (en) 2001-10-03 2010-08-24 Mold-Masters (2007) Limited Nozzle for an injection molding apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900006997A1 (en) * 2019-05-20 2020-11-20 Sacmi Imola Sc Hot sprue injection molding equipment.

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016702A1 (en) * 1979-05-07 1980-11-20 Nipki Tech Material DEVICE FOR POINT-FREE CASTING UNDER PRESSURE OF POLYMER PRODUCTS
WO2003028973A1 (en) * 2001-10-03 2003-04-10 Mold-Masters Limited Gap seal between a nozzle and a mold component in a hot-runner assembly for an injection molding apparatus
US6869276B2 (en) 2001-10-03 2005-03-22 Mold-Masters Limited Nozzle seal for an injection molding apparatus
CN100349718C (en) * 2001-10-03 2007-11-21 标准模具有限公司 Gap seal between a nozzle and a mold component in an injection molding apparatus
US7780434B2 (en) 2001-10-03 2010-08-24 Mold-Masters (2007) Limited Nozzle for an injection molding apparatus
US7891969B2 (en) 2001-10-03 2011-02-22 Mold-Masters (2007) Limited Injection molding nozzle
US6962492B2 (en) 2001-10-05 2005-11-08 Mold-Masters Limited Gap seal between nozzle components
WO2006062539A1 (en) * 2004-12-08 2006-06-15 D-M-E Company Nozzle and apparatus for injection molding
US7220117B2 (en) 2004-12-08 2007-05-22 D-M-E Company Nozzle and apparatus for injection molding
EP1813411A2 (en) * 2006-01-31 2007-08-01 Incoe International, Inc. High resistance seals for injection moulding devices
EP1813411A3 (en) * 2006-01-31 2007-08-08 Incoe International, Inc. High resistance seals for injection moulding devices

Also Published As

Publication number Publication date
CA1032318A (en) 1978-06-06

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Legal Events

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