GB1523809A - Extrusion head - Google Patents

Extrusion head

Info

Publication number
GB1523809A
GB1523809A GB30597/76A GB3059776A GB1523809A GB 1523809 A GB1523809 A GB 1523809A GB 30597/76 A GB30597/76 A GB 30597/76A GB 3059776 A GB3059776 A GB 3059776A GB 1523809 A GB1523809 A GB 1523809A
Authority
GB
United Kingdom
Prior art keywords
head
die
parison
mandrel
heaters
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
GB30597/76A
Other languages
English (en)
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.)
Standard Oil Co
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Publication of GB1523809A publication Critical patent/GB1523809A/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
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/325Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • 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
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865Heating
    • 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
    • B29C48/92Measuring, controlling or regulating
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92209Temperature
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92323Location or phase of measurement
    • B29C2948/92361Extrusion unit
    • B29C2948/92409Die; Nozzle zone
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92904Die; Nozzle zone
    • 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
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB30597/76A 1975-07-28 1976-07-22 Extrusion head Expired GB1523809A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59984075A 1975-07-28 1975-07-28

Publications (1)

Publication Number Publication Date
GB1523809A true GB1523809A (en) 1978-09-06

Family

ID=24401309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30597/76A Expired GB1523809A (en) 1975-07-28 1976-07-22 Extrusion head

Country Status (12)

Country Link
JP (1) JPS5215557A (enrdf_load_stackoverflow)
BE (1) BE843069A (enrdf_load_stackoverflow)
CA (1) CA1068061A (enrdf_load_stackoverflow)
CH (1) CH603339A5 (enrdf_load_stackoverflow)
DE (1) DE2631838A1 (enrdf_load_stackoverflow)
DK (1) DK321076A (enrdf_load_stackoverflow)
FR (1) FR2319480A1 (enrdf_load_stackoverflow)
GB (1) GB1523809A (enrdf_load_stackoverflow)
IT (1) IT1061457B (enrdf_load_stackoverflow)
NL (1) NL7607010A (enrdf_load_stackoverflow)
SE (1) SE7608533L (enrdf_load_stackoverflow)
ZA (1) ZA763432B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000059707A1 (de) * 1999-03-31 2000-10-12 Barmag Ag Vorrichtung zum extrudieren
CN102873851A (zh) * 2012-09-28 2013-01-16 东北林业大学 木塑直角型材挤塑方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3306533A1 (de) * 1983-02-24 1984-08-30 Bm-Elektronik Meletzky Kg, 1000 Berlin Wanddickenprogrammiervorrichtung fuer eine blasformmaschine
DE19843341A1 (de) * 1998-09-22 2000-04-06 Strumann Werner Egeplast Vorrichtung zur Herstellung von Kunststoffrohren
CN114851519A (zh) * 2022-04-20 2022-08-05 广东乐善智能装备股份有限公司 一种吹瓶机的温控系统及其自动监测方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7014565A (enrdf_load_stackoverflow) * 1970-10-05 1972-04-07
DE2232930A1 (de) * 1971-07-06 1973-02-01 Hepworth Plastics Ltd Verfahren und vorrichtung zur herstellung von rohren unbedingt gleichmaessiger wandstaerke im strangpressverfahren
NL7109900A (enrdf_load_stackoverflow) * 1971-07-16 1973-01-18

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000059707A1 (de) * 1999-03-31 2000-10-12 Barmag Ag Vorrichtung zum extrudieren
CN102873851A (zh) * 2012-09-28 2013-01-16 东北林业大学 木塑直角型材挤塑方法
CN102873851B (zh) * 2012-09-28 2014-06-18 东北林业大学 木塑直角型材挤塑方法

Also Published As

Publication number Publication date
CH603339A5 (enrdf_load_stackoverflow) 1978-08-15
FR2319480B1 (enrdf_load_stackoverflow) 1979-08-10
FR2319480A1 (fr) 1977-02-25
NL7607010A (nl) 1977-02-01
ZA763432B (en) 1977-05-25
DK321076A (da) 1977-01-29
JPS5215557A (en) 1977-02-05
DE2631838A1 (de) 1977-02-10
SE7608533L (sv) 1977-01-29
IT1061457B (it) 1983-02-28
AU1512176A (en) 1978-01-05
CA1068061A (en) 1979-12-18
BE843069A (fr) 1976-10-18

Similar Documents

Publication Publication Date Title
AU605265B2 (en) A procedure for manufacturing pipes and sections out of thermoplastic plastics
US5028376A (en) Plastic pipe extrusion
US3950118A (en) Control of temperature profile across a heat exchanger
JPH0759378B2 (ja) 2層継目なしプラスチツク・チユ−ブを製造する装置に使用される押出加工金型
US3909183A (en) Parison extrusion head
US3385917A (en) Method and apparatus for extruding plastics
GB1301628A (enrdf_load_stackoverflow)
US6045347A (en) Apparatus for the production of plastic compound pipes
US3649148A (en) Apparatus for parison extrusion
GB1396164A (en) Extruder die
GB948937A (en) Method and apparatus for producing films of organic thermoplastic material having improved optical properties
GB1523809A (en) Extrusion head
US4038011A (en) Apparatus for forming ribbed tubing
US3583033A (en) Valving die for in-line extrusion of thermoplastic material
CA1058366A (en) Process and apparatus for extruding thermoplastic material
DE59904713D1 (de) Verfahren und Vorrichtung zum Extensionsblasformen von Kunststoffbehältern mit unterschiedlichen Behälterquerschnitten
GB1129343A (en) Extrusion of thermoplastic resinous material and apparatus therefor
FI861413A0 (fi) Foerfarande och anordning foer tillverkning av roer med dubbla vaeggar.
US3270371A (en) Axial extruder head with mandrel for extruding hollow profiles
GB1372074A (en) Method and device for regulating the wall thickness of products manufactured from synthetic materials
CA2438493C (en) Film die for the production of tubular film
AU2007219269A1 (en) Device for extruding hollow strands
GB1330768A (en) Extrusion head for making tubular plastics film
GB994567A (en) Double-wall tube and die for extruding the same
US3912240A (en) Method and apparatus for extruding plastic pipe and the like

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee