ZA753552B - A method of manufacture by extrusion of sections of structural foamed thermoplastics - Google Patents

A method of manufacture by extrusion of sections of structural foamed thermoplastics

Info

Publication number
ZA753552B
ZA753552B ZA00753552A ZA753552A ZA753552B ZA 753552 B ZA753552 B ZA 753552B ZA 00753552 A ZA00753552 A ZA 00753552A ZA 753552 A ZA753552 A ZA 753552A ZA 753552 B ZA753552 B ZA 753552B
Authority
ZA
South Africa
Prior art keywords
extrusion
sections
manufacture
foamed thermoplastics
structural foamed
Prior art date
Application number
ZA00753552A
Other languages
English (en)
Inventor
G Lozach
Original Assignee
Charbonnages Ste Chimique
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 Charbonnages Ste Chimique filed Critical Charbonnages Ste Chimique
Publication of ZA753552B publication Critical patent/ZA753552B/xx

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)
ZA00753552A 1974-06-05 1975-06-02 A method of manufacture by extrusion of sections of structural foamed thermoplastics ZA753552B (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
ZA753552B true ZA753552B (en) 1976-04-28

Family

ID=9139663

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00753552A ZA753552B (en) 1974-06-05 1975-06-02 A 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
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
GB1470267A (en) 1977-04-14
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

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