SE7608021L - Forfarinssett for framstellning av en lett folie av polypropylen - Google Patents

Forfarinssett for framstellning av en lett folie av polypropylen

Info

Publication number
SE7608021L
SE7608021L SE7608021A SE7608021A SE7608021L SE 7608021 L SE7608021 L SE 7608021L SE 7608021 A SE7608021 A SE 7608021A SE 7608021 A SE7608021 A SE 7608021A SE 7608021 L SE7608021 L SE 7608021L
Authority
SE
Sweden
Prior art keywords
polypropylene
making
preliminary procedure
light foil
foil
Prior art date
Application number
SE7608021A
Other languages
English (en)
Swedish (sv)
Inventor
M Caron
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 SE7608021L publication Critical patent/SE7608021L/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
    • B29C44/505—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 a flat 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
    • 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
    • B29C48/03—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
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
SE7608021A 1975-07-24 1976-07-14 Forfarinssett for framstellning av en lett folie av polypropylen SE7608021L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7523222A FR2318725A1 (fr) 1975-07-24 1975-07-24 Procede d'obtention d'une feuille en polypropylene allege et feuille obtenue par ce procede

Publications (1)

Publication Number Publication Date
SE7608021L true SE7608021L (sv) 1977-01-25

Family

ID=9158337

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7608021A SE7608021L (sv) 1975-07-24 1976-07-14 Forfarinssett for framstellning av en lett folie av polypropylen

Country Status (4)

Country Link
BE (1) BE844099A (enrdf_load_stackoverflow)
FR (1) FR2318725A1 (enrdf_load_stackoverflow)
SE (1) SE7608021L (enrdf_load_stackoverflow)
ZA (1) ZA764281B (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1504357A1 (de) * 1963-02-28 1969-04-24 Haveg Industries Inc Schaumstoffe aus thermoplastischen Harzen mit einer festen,nicht poroesen Haut
GB1051377A (enrdf_load_stackoverflow) * 1963-11-07 1900-01-01
GB1338291A (en) * 1971-03-16 1973-11-21 Monsanto Chemicals Production of foamed resins

Also Published As

Publication number Publication date
ZA764281B (en) 1977-07-27
FR2318725B1 (enrdf_load_stackoverflow) 1977-12-09
BE844099A (fr) 1977-01-14
FR2318725A1 (fr) 1977-02-18

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