GB1470267A - Method of manufacture by extrusion of sections of structural foamed thermoplastics - Google Patents

Method of manufacture by extrusion of sections of structural foamed thermoplastics

Info

Publication number
GB1470267A
GB1470267A GB2395875A GB2395875A GB1470267A GB 1470267 A GB1470267 A GB 1470267A GB 2395875 A GB2395875 A GB 2395875A GB 2395875 A GB2395875 A GB 2395875A GB 1470267 A GB1470267 A GB 1470267A
Authority
GB
United Kingdom
Prior art keywords
section
temperature
thermoplastics
cooling
die
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
GB2395875A
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.)
Orkem SA
Original Assignee
Chimique des Charbonnages SA
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 Chimique des Charbonnages SA filed Critical Chimique des Charbonnages SA
Publication of GB1470267A publication Critical patent/GB1470267A/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal 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
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal 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
    • B29C48/908—Thermal 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
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/35—Component parts; Details or accessories
    • B29C44/352—Means for giving the foam different characteristics in different directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
GB2395875A 1974-06-05 1975-06-03 Method of manufacture by extrusion of sections of structural foamed thermoplastics Expired GB1470267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7419442A FR2273653A1 (fr) 1974-06-05 1974-06-05 Procede de fabrication par extrusion de profiles en matiere thermoplastiques allegees

Publications (1)

Publication Number Publication Date
GB1470267A true GB1470267A (en) 1977-04-14

Family

ID=9139663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2395875A Expired GB1470267A (en) 1974-06-05 1975-06-03 Method of manufacture by extrusion of sections of structural foamed thermoplastics

Country Status (19)

Country Link
JP (1) JPS5130268A (da)
AR (1) AR202987A1 (da)
AU (1) AU8187375A (da)
BE (1) BE829551A (da)
BR (1) BR7503522A (da)
DD (1) DD118018A5 (da)
DE (1) DE2523277B2 (da)
DK (1) DK135618B (da)
ES (1) ES438262A1 (da)
FI (1) FI751649A (da)
FR (1) FR2273653A1 (da)
GB (1) GB1470267A (da)
IE (1) IE41886B1 (da)
IT (1) IT1035940B (da)
LU (1) LU72612A1 (da)
NL (1) NL7506630A (da)
NO (1) NO751928L (da)
SE (1) SE7506059L (da)
ZA (1) ZA753552B (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1255465B (it) * 1992-07-28 1995-11-02 Tiziano Barea Dispositivo per controllare l'alimentazione di almeno un filo ad una macchina tessile cosi' da compensare strappi e sovratensioni esercitantisi sul filo stesso

Also Published As

Publication number Publication date
DK135618B (da) 1977-05-31
AR202987A1 (es) 1975-07-31
ES438262A1 (es) 1977-01-01
NL7506630A (nl) 1975-12-09
DK250775A (da) 1975-12-06
AU8187375A (en) 1976-12-09
IE41886B1 (en) 1980-04-23
FI751649A (da) 1975-12-06
BR7503522A (pt) 1976-05-25
ZA753552B (en) 1976-04-28
LU72612A1 (da) 1976-03-17
BE829551A (fr) 1975-11-27
DE2523277B2 (de) 1979-02-01
FR2273653B1 (da) 1979-05-25
NO751928L (da) 1975-12-08
IT1035940B (it) 1979-10-20
FR2273653A1 (fr) 1976-01-02
JPS5130268A (da) 1976-03-15
IE41886L (en) 1975-12-05
DE2523277A1 (de) 1975-12-18
SE7506059L (sv) 1975-12-08
DD118018A5 (da) 1976-02-12
DK135618C (da) 1977-11-07

Similar Documents

Publication Publication Date Title
US3431163A (en) Foamed aliphatic resin products having elongated cells at right angles to a surface skin and their manufacture
GB1319271A (en) Imitation wood and method of making it
GB1417312A (en) Method and apparatus for making structural elements
GB1128276A (en) Extrusion process
DE3272913D1 (en) Production of pvc irrigation pipe
GB1408637A (en) Method of making a foamed thermoplastic polymer
GB1454579A (en) Profile extrusion process
GB1024954A (en) Method for the manufacture of pipes from thermoplastic material
US3121760A (en) Method of extruding polystyrene tube
GB1454580A (en) Profile extrusion process
GB1470267A (en) Method of manufacture by extrusion of sections of structural foamed thermoplastics
GB1237097A (en) Irrigation conduit and method for producing such
GB1300262A (en) Foamed thermoplastics
GB1399654A (en) Dies for the extrusion of expanded plastics materials and extrusion using such dies
GB953901A (en) Improvements in or relating to a process of making polypropylene film
JPS5724221A (en) Manufacture of highly foamed polypropylene
JPS599334B2 (ja) 管状熱可塑性合成樹脂発泡体並びにその製造方法
GB1244760A (en) Process for the production of granules containing expanding agent
JPS5561437A (en) Manufacturing method for thermoplastic resin foamed pipe
JP3009494B2 (ja) 発泡した合成樹脂中空製品の製造方法
GB1349301A (en) Method of continuously forming moulded foamed bodies and apparatus therefor
JP3011470B2 (ja) 発泡した合成樹脂中空製品の製造方法
JPS61293825A (ja) 断熱パイプの製造方法
GB1229686A (da)
SE8300119L (sv) Ljudisolerande ytbeleggningsskikt

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]