GB2214126B - Screws for use in vent type injection molding machines - Google Patents

Screws for use in vent type injection molding machines

Info

Publication number
GB2214126B
GB2214126B GB8800107A GB8800107A GB2214126B GB 2214126 B GB2214126 B GB 2214126B GB 8800107 A GB8800107 A GB 8800107A GB 8800107 A GB8800107 A GB 8800107A GB 2214126 B GB2214126 B GB 2214126B
Authority
GB
United Kingdom
Prior art keywords
screws
injection molding
molding machines
type injection
vent type
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
GB8800107A
Other versions
GB8800107D0 (en
GB2214126A (en
Inventor
Takashi Kamiyama
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.)
Shibaura Machine Co Ltd
Original Assignee
Toshiba Machine Co 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 Toshiba Machine Co Ltd filed Critical Toshiba Machine Co Ltd
Publication of GB8800107D0 publication Critical patent/GB8800107D0/en
Publication of GB2214126A publication Critical patent/GB2214126A/en
Application granted granted Critical
Publication of GB2214126B publication Critical patent/GB2214126B/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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—Screws
    • 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
    • B29C45/58—Details
    • B29C45/60—Screws
    • B29C2045/605—Screws comprising a zone or shape enhancing the degassing of the plastic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB8800107A 1987-12-30 1988-01-05 Screws for use in vent type injection molding machines Expired - Fee Related GB2214126B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873744553 DE3744553A1 (en) 1987-12-30 1987-12-30 SNAIL FOR USE IN AN INJECTION MOLDING MACHINE OF THE VENTILATION TYPE

Publications (3)

Publication Number Publication Date
GB8800107D0 GB8800107D0 (en) 1988-02-10
GB2214126A GB2214126A (en) 1989-08-31
GB2214126B true GB2214126B (en) 1991-10-23

Family

ID=6343859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8800107A Expired - Fee Related GB2214126B (en) 1987-12-30 1988-01-05 Screws for use in vent type injection molding machines

Country Status (2)

Country Link
DE (1) DE3744553A1 (en)
GB (1) GB2214126B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL109386A (en) * 1993-04-30 1996-10-31 A K Tech Lab Inc Method for injection molding polyethylene terephthalate
JP3573380B2 (en) * 1995-08-14 2004-10-06 株式会社青木固研究所 Preform injection molding method and stretch blow molding method for polyester resin

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1450087A (en) * 1972-10-09 1976-09-22 Maillefer Sa Extruder screw
GB1550650A (en) * 1975-06-30 1979-08-15 Maillefer Sa Screwtype extruder for plastics materials
GB1568888A (en) * 1977-05-19 1980-06-11 Geyer P Extrusion and mixing apparatus
GB2111397A (en) * 1981-11-16 1983-07-06 Kobe Steel Ltd Extrusion screw for extrusion of polymeric materials
GB2137893A (en) * 1983-04-13 1984-10-17 Nat Res Dev Improvements in or relating to conveying screws
GB2175244A (en) * 1985-04-01 1986-11-26 Toshiba Machine Co Ltd Screw adapted for plastic moulding
GB2178997A (en) * 1985-07-10 1987-02-25 Toshiba Machine Co Ltd Screw for a molding machine
GB2180496A (en) * 1985-09-09 1987-04-01 Sterling Extruder Corp Extruder screw

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445890A (en) * 1966-12-08 1969-05-27 Nrm Corp Two-stage extruder
DE2403989B2 (en) * 1974-01-29 1980-02-14 Dietmar Dipl.-Ing. 2000 Hamburg Weber Degassing extruder for processing elastomers and thermoplastics
GB1597770A (en) * 1978-05-31 1981-09-09 Hpm Corp Injection moulding machine with multi-channel wave screw

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1450087A (en) * 1972-10-09 1976-09-22 Maillefer Sa Extruder screw
GB1550650A (en) * 1975-06-30 1979-08-15 Maillefer Sa Screwtype extruder for plastics materials
GB1568888A (en) * 1977-05-19 1980-06-11 Geyer P Extrusion and mixing apparatus
GB2111397A (en) * 1981-11-16 1983-07-06 Kobe Steel Ltd Extrusion screw for extrusion of polymeric materials
GB2137893A (en) * 1983-04-13 1984-10-17 Nat Res Dev Improvements in or relating to conveying screws
GB2175244A (en) * 1985-04-01 1986-11-26 Toshiba Machine Co Ltd Screw adapted for plastic moulding
GB2178997A (en) * 1985-07-10 1987-02-25 Toshiba Machine Co Ltd Screw for a molding machine
GB2180496A (en) * 1985-09-09 1987-04-01 Sterling Extruder Corp Extruder screw

Also Published As

Publication number Publication date
GB8800107D0 (en) 1988-02-10
DE3744553C2 (en) 1993-09-09
DE3744553A1 (en) 1989-07-13
GB2214126A (en) 1989-08-31

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Legal Events

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

Effective date: 20030105