BE787204A - Procede de preparation d'une feuille pour sacs ou d'emballage en thermoplastes, particulierement en polyethylene a faible densite - Google Patents

Procede de preparation d'une feuille pour sacs ou d'emballage en thermoplastes, particulierement en polyethylene a faible densite

Info

Publication number
BE787204A
BE787204A BE787204A BE787204A BE787204A BE 787204 A BE787204 A BE 787204A BE 787204 A BE787204 A BE 787204A BE 787204 A BE787204 A BE 787204A BE 787204 A BE787204 A BE 787204A
Authority
BE
Belgium
Prior art keywords
thermoplasts
bags
packaging
preparing
sheet
Prior art date
Application number
BE787204A
Other languages
English (en)
French (fr)
Original Assignee
Politechnika Warszawska
Warszawska Fabryka Tworzyw Szt
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 Politechnika Warszawska, Warszawska Fabryka Tworzyw Szt filed Critical Politechnika Warszawska
Publication of BE787204A publication Critical patent/BE787204A/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
    • 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
    • B29C48/901—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 of hollow bodies
    • B29C48/903—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 of hollow bodies externally
    • 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
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/901—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 of hollow bodies
    • B29C48/902—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 of hollow bodies internally
    • 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
    • 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
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular 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
    • 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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE787204A 1971-08-05 1972-08-04 Procede de preparation d'une feuille pour sacs ou d'emballage en thermoplastes, particulierement en polyethylene a faible densite BE787204A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL14985771A PL75796B1 (enExample) 1971-08-05 1971-08-05

Publications (1)

Publication Number Publication Date
BE787204A true BE787204A (fr) 1972-12-01

Family

ID=19955268

Family Applications (1)

Application Number Title Priority Date Filing Date
BE787204A BE787204A (fr) 1971-08-05 1972-08-04 Procede de preparation d'une feuille pour sacs ou d'emballage en thermoplastes, particulierement en polyethylene a faible densite

Country Status (6)

Country Link
BE (1) BE787204A (enExample)
DD (1) DD100197A5 (enExample)
DE (1) DE2237192A1 (enExample)
FR (1) FR2148308A3 (enExample)
IT (1) IT972433B (enExample)
PL (1) PL75796B1 (enExample)

Also Published As

Publication number Publication date
DD100197A5 (enExample) 1973-09-12
PL75796B1 (enExample) 1974-12-31
IT972433B (it) 1974-05-20
DE2237192A1 (de) 1973-02-15
FR2148308A3 (en) 1973-03-11

Similar Documents

Publication Publication Date Title
BE858369A (fr) Sacs a parois multiples, a poches detechee, pour l'emballage d'articles
BE798788A (fr) Procede et machine pour l'emballage d'articles sous film thermo-retrecissable et emballage ainsi obtenu
FR2464191B1 (fr) Procede et appareil pour former, remplir et sceller des emballages fabriques par une feuille continue
YU36125B (en) Machine for packing articles in foils
CH557766A (fr) Sac en matiere plastique pour l'emballage de produits alimentaires.
BE814131A (fr) Recipient d'emballage empilable
FR2294823A1 (fr) Feuille retrecissable en polyethylene-terephtalate notamment pour l'emballage
GB1454466A (en) Manufacture of packaging containers
BE798409A (fr) Produit stratifie pour l'emballage
BE801469A (fr) Procede de fabrication de sacs ou de sachets d'emballage
FR2327144A1 (fr) Appareil pour l'emballage d'objets avec une feuille bien tendue
BE836311A (fr) Feuille multicouche pour le thermo-scellage d'un recipient
CH549498A (de) Blas- und fuellmaschine zum kontinuierlichen herstellen gefuellter und verschlossener behaelter, insbesondere infusionsflaschen.
BE814881A (fr) Emballage forme d'une feuille composite
BE784589A (fr) Procede et dispositif pour le scellage de recipients ou emballages revetus d'une feuille thermosoudable
BE787204A (fr) Procede de preparation d'une feuille pour sacs ou d'emballage en thermoplastes, particulierement en polyethylene a faible densite
BE747056A (fr) Feuille stratifiee pour emballage rigide
BE782699A (fr) Procede d'emballage ou d'empilage de feuilles de verre
RO68311A (ro) Procedeu pentru confectionarea din foi plane a unui ambalaj pentru produse alimentare in special pentru cirnati
ZA724129B (en) A machine for producing tray-like packaging units for foodstuffs
BE822946A (fr) Procede de preparation de polyethylene de poids moleculaire superieur a 500.000
GB1088564A (en) Envelopes and packages with tear means
BE790847A (fr) Matiere et procede pour l'emballage du fromage
BE796585A (fr) Feuille de matiere synthetique utilisable comme emballage dans la production de jambon cuit ou de jambon en boite
BE800694A (fr) Feuille d'emballage pour produit alimentaire