GB959440A - - Google Patents

Info

Publication number
GB959440A
GB959440A GB959440DA GB959440A GB 959440 A GB959440 A GB 959440A GB 959440D A GB959440D A GB 959440DA GB 959440 A GB959440 A GB 959440A
Authority
GB
United Kingdom
Prior art keywords
cylinder
thermoplastic material
tubing
thermoplastic
neck
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
Other languages
English (en)
Publication date
Publication of GB959440A publication Critical patent/GB959440A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/903Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9115Cooling of hollow articles
    • B29C48/912Cooling of hollow articles of tubular films
    • B29C48/913Cooling of hollow articles of tubular films externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB959440D Expired GB959440A (lt)

Publications (1)

Publication Number Publication Date
GB959440A true GB959440A (lt) 1900-01-01

Family

ID=1754221

Family Applications (1)

Application Number Title Priority Date Filing Date
GB959440D Expired GB959440A (lt)

Country Status (1)

Country Link
GB (1) GB959440A (lt)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172788A1 (lt) * 1972-02-22 1973-10-05 Aquitaine Total Organico
GB2182603A (en) * 1985-11-06 1987-05-20 Victaulic Plc Transversely expanding and calibrating an extruded hollow product
WO1991004147A1 (en) * 1989-09-22 1991-04-04 Jrt-Finland Oy Sizing tool
EP1188541A2 (en) * 2000-09-14 2002-03-20 OMIPA S.p.A. Calibration device for extruded sections

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172788A1 (lt) * 1972-02-22 1973-10-05 Aquitaine Total Organico
GB2182603A (en) * 1985-11-06 1987-05-20 Victaulic Plc Transversely expanding and calibrating an extruded hollow product
GB2182603B (en) * 1985-11-06 1990-01-24 Victaulic Plc Improvements in or relating to the extrusion of products
WO1991004147A1 (en) * 1989-09-22 1991-04-04 Jrt-Finland Oy Sizing tool
US5516270A (en) * 1989-09-22 1996-05-14 Jrt-Finland Oy Sizing tool
EP1188541A2 (en) * 2000-09-14 2002-03-20 OMIPA S.p.A. Calibration device for extruded sections
EP1188541A3 (en) * 2000-09-14 2002-11-13 OMIPA S.p.A. Calibration device for extruded sections
US6634880B2 (en) 2000-09-14 2003-10-21 Omipa S.P.A. Calibration device for extruded sections

Similar Documents

Publication Publication Date Title
US4886634A (en) Process and apparatus for the production of an extruded, stretched, seamless tube
US2461975A (en) Method of making flattened thermoplastic tubing of predetermined desired characteristics
US4808098A (en) Pipe extrusion die with a cooled and vacuumed additional mandrel
US4249875A (en) Co-extrusion apparatus and method for producing multiple-layered thermoplastic pipe
US4770618A (en) Extrusion die for two-ply plastic tubing
US3354506A (en) Apparatus for melt extrusion of multi-wall plastic tubing
US3546743A (en) Die for extruding laminated plastic tube
US3309443A (en) Plastic molding
US2512844A (en) Machine for extruding plastic tubes
US4789327A (en) Adjustable pipe extrusion die with internal cooling
US3959425A (en) Method for extruding tubular thermoplastic film
US3239881A (en) Apparatus for impact extrusion
US3461496A (en) Apparatus for extruding a skin covered,foamed thermoplastic
GB1050082A (lt)
JPS6054171B2 (ja) 熱可塑性プラスチック中空体の肉厚を調整および/または調整する装置
GB1284478A (en) An extrusion head for the manufacture of multi-layered blown films from thermoplastic materials
US3385917A (en) Method and apparatus for extruding plastics
US4938903A (en) Highly intensive cooling process and apparatus for the production of biaxially oriented films of high- and medium-molecular-weight thermoplastics
US3926706A (en) Film blowing method
US4165356A (en) Method of forming tubular plastic material having a flare-top edge using a blow head
US3837773A (en) Extruded plastic film method and apparatus for the manufacture thereof
US3726743A (en) Film blowing method and apparatus
US3210803A (en) Plastic tubing extrusion die air ring
US3111714A (en) Self-centering extrusion die
CN1023691C (zh) 用冷却衬套表面的吸力和气压成型管子的方法