IT1035940B - Procedimento per la produzione di profilati di materia plastica alleggeriti - Google Patents

Procedimento per la produzione di profilati di materia plastica alleggeriti

Info

Publication number
IT1035940B
IT1035940B IT49904/75A IT4990475A IT1035940B IT 1035940 B IT1035940 B IT 1035940B IT 49904/75 A IT49904/75 A IT 49904/75A IT 4990475 A IT4990475 A IT 4990475A IT 1035940 B IT1035940 B IT 1035940B
Authority
IT
Italy
Prior art keywords
procedure
production
plastic profiles
lightweight plastic
lightweight
Prior art date
Application number
IT49904/75A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1035940B publication Critical patent/IT1035940B/it

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)
IT49904/75A 1974-06-05 1975-06-04 Procedimento per la produzione di profilati di materia plastica alleggeriti IT1035940B (it)

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
IT1035940B true IT1035940B (it) 1979-10-20

Family

ID=9139663

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49904/75A IT1035940B (it) 1974-06-05 1975-06-04 Procedimento per la produzione di profilati di materia plastica alleggeriti

Country Status (19)

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

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
BR7503522A (pt) 1976-05-25
DE2523277B2 (de) 1979-02-01
NL7506630A (nl) 1975-12-09
DK135618B (da) 1977-05-31
LU72612A1 (it) 1976-03-17
IE41886L (en) 1975-12-05
BE829551A (fr) 1975-11-27
DK250775A (it) 1975-12-06
JPS5130268A (it) 1976-03-15
GB1470267A (en) 1977-04-14
DE2523277A1 (de) 1975-12-18
FR2273653B1 (it) 1979-05-25
AR202987A1 (es) 1975-07-31
IE41886B1 (en) 1980-04-23
ZA753552B (en) 1976-04-28
DK135618C (it) 1977-11-07
SE7506059L (sv) 1975-12-08
DD118018A5 (it) 1976-02-12
FR2273653A1 (fr) 1976-01-02
AU8187375A (en) 1976-12-09
FI751649A (it) 1975-12-06
ES438262A1 (es) 1977-01-01
NO751928L (it) 1975-12-08

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