BE760623A - Anneau a pressions d'air a etages multiples pour procede de fabricationde pellicules tubulaires - Google Patents

Anneau a pressions d'air a etages multiples pour procede de fabricationde pellicules tubulaires

Info

Publication number
BE760623A
BE760623A BE760623A BE760623A BE760623A BE 760623 A BE760623 A BE 760623A BE 760623 A BE760623 A BE 760623A BE 760623 A BE760623 A BE 760623A BE 760623 A BE760623 A BE 760623A
Authority
BE
Belgium
Prior art keywords
manufacturing process
air pressure
pressure ring
tubular film
film manufacturing
Prior art date
Application number
BE760623A
Other languages
English (en)
French (fr)
Inventor
H C North
G C Calderwood
Ch W Wikliamson
Original Assignee
Exxon Research Engineering Co
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 Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Publication of BE760623A publication Critical patent/BE760623A/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
    • B29C48/908—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
    • B29C48/03—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
    • B29C48/885—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
    • B29C48/90—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
    • B29C48/901—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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of 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
    • B29C48/919—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE760623A 1969-12-22 1970-12-21 Anneau a pressions d'air a etages multiples pour procede de fabricationde pellicules tubulaires BE760623A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88727069A 1969-12-22 1969-12-22

Publications (1)

Publication Number Publication Date
BE760623A true BE760623A (fr) 1971-06-21

Family

ID=25390800

Family Applications (1)

Application Number Title Priority Date Filing Date
BE760623A BE760623A (fr) 1969-12-22 1970-12-21 Anneau a pressions d'air a etages multiples pour procede de fabricationde pellicules tubulaires

Country Status (8)

Country Link
JP (1) JPS5025510B1 (enrdf_load_stackoverflow)
BE (1) BE760623A (enrdf_load_stackoverflow)
CA (1) CA948811A (enrdf_load_stackoverflow)
DE (1) DE2062789C3 (enrdf_load_stackoverflow)
FR (1) FR2074105A5 (enrdf_load_stackoverflow)
GB (1) GB1318927A (enrdf_load_stackoverflow)
NL (1) NL167358C (enrdf_load_stackoverflow)
SE (2) SE378074B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51128508U (enrdf_load_stackoverflow) * 1975-04-14 1976-10-18
DE102009046539B4 (de) * 2009-11-09 2013-12-12 Windmöller & Hölscher Kg Vorrichtung zur Herstellung von Folienschläuchen
CN117021432B (zh) * 2023-08-10 2024-01-19 山东盛腾包装科技股份有限公司 一种塑料薄膜生产鼓风干燥装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1423754A (fr) * 1964-10-22 1966-01-07 Shell Int Research Procédé et dispositif pour refroidir des films thermoplastiques tubulaires
FR1402117A (fr) * 1964-04-30 1965-06-11 Ethylene Plastique Sa Perfectionnements aux procédés et appareillages pour la fabrication de films tubulaires par extrusion de matières thermoplastiques
BE680937A (enrdf_load_stackoverflow) * 1964-09-21 1966-11-14
US3450806A (en) * 1965-11-26 1969-06-17 Exxon Research Engineering Co Process and apparatus for the formation of film
GB1229065A (enrdf_load_stackoverflow) * 1968-04-06 1971-04-21

Also Published As

Publication number Publication date
FR2074105A5 (enrdf_load_stackoverflow) 1971-10-01
NL167358C (nl) 1981-12-16
NL7018645A (enrdf_load_stackoverflow) 1971-06-24
DE2062789A1 (de) 1971-07-01
NL167358B (nl) 1981-07-16
CA948811A (en) 1974-06-11
DE2062789C3 (de) 1982-01-14
DE2062789B2 (de) 1981-06-19
GB1318927A (en) 1973-05-31
SE381607B (sv) 1975-12-15
SE378074B (enrdf_load_stackoverflow) 1975-08-18
JPS5025510B1 (enrdf_load_stackoverflow) 1975-08-23

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ESSO RESEARCH AND ENGINEERING CY

Effective date: 19851231