FR2606325B2 - Dispositif pour la fabrication de films etirables en polyethylene pour la palettisation - Google Patents

Dispositif pour la fabrication de films etirables en polyethylene pour la palettisation

Info

Publication number
FR2606325B2
FR2606325B2 FR868615786A FR8615786A FR2606325B2 FR 2606325 B2 FR2606325 B2 FR 2606325B2 FR 868615786 A FR868615786 A FR 868615786A FR 8615786 A FR8615786 A FR 8615786A FR 2606325 B2 FR2606325 B2 FR 2606325B2
Authority
FR
France
Prior art keywords
palletising
polyethylene films
producing stretchable
stretchable polyethylene
producing
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
FR868615786A
Other languages
English (en)
Other versions
FR2606325A2 (fr
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.)
Individual
Original Assignee
Individual
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
Priority claimed from FR8406012A external-priority patent/FR2562835B1/fr
Application filed by Individual filed Critical Individual
Priority to FR868615786A priority Critical patent/FR2606325B2/fr
Publication of FR2606325A2 publication Critical patent/FR2606325A2/fr
Application granted granted Critical
Publication of FR2606325B2 publication Critical patent/FR2606325B2/fr
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
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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
    • B29C48/09—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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37—Gear pumps
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR868615786A 1984-04-11 1986-11-07 Dispositif pour la fabrication de films etirables en polyethylene pour la palettisation Expired FR2606325B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR868615786A FR2606325B2 (fr) 1984-04-11 1986-11-07 Dispositif pour la fabrication de films etirables en polyethylene pour la palettisation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8406012A FR2562835B1 (fr) 1984-04-11 1984-04-11 Procede et dispositif pour la fabrication de film etirable pour la palettisation
FR868615786A FR2606325B2 (fr) 1984-04-11 1986-11-07 Dispositif pour la fabrication de films etirables en polyethylene pour la palettisation

Publications (2)

Publication Number Publication Date
FR2606325A2 FR2606325A2 (fr) 1988-05-13
FR2606325B2 true FR2606325B2 (fr) 1989-12-29

Family

ID=26223916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868615786A Expired FR2606325B2 (fr) 1984-04-11 1986-11-07 Dispositif pour la fabrication de films etirables en polyethylene pour la palettisation

Country Status (1)

Country Link
FR (1) FR2606325B2 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947980B2 (ja) * 1979-04-05 1984-11-22 積水化学工業株式会社 熱可塑性樹脂の押出方法
FR2562835B1 (fr) * 1984-04-11 1986-12-19 Bonnel Pierre Procede et dispositif pour la fabrication de film etirable pour la palettisation

Also Published As

Publication number Publication date
FR2606325A2 (fr) 1988-05-13

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