BE760623A - MULTI-STAGE AIR PRESSURE RING FOR TUBULAR FILM MANUFACTURING PROCESS - Google Patents

MULTI-STAGE AIR PRESSURE RING FOR TUBULAR FILM MANUFACTURING PROCESS

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
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/en

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
    • B29C48/90—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
    • B29C48/913—Cooling of hollow articles of tubular films 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
    • B29C48/25—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 MULTI-STAGE AIR PRESSURE RING FOR TUBULAR FILM MANUFACTURING PROCESS BE760623A (en)

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 (en) 1971-06-21

Family

ID=25390800

Family Applications (1)

Application Number Title Priority Date Filing Date
BE760623A BE760623A (en) 1969-12-22 1970-12-21 MULTI-STAGE AIR PRESSURE RING FOR TUBULAR FILM MANUFACTURING PROCESS

Country Status (8)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51128508U (en) * 1975-04-14 1976-10-18
DE102009046539B4 (en) * 2009-11-09 2013-12-12 Windmöller & Hölscher Kg Device for producing tubular film
CN117021432B (en) * 2023-08-10 2024-01-19 山东盛腾包装科技股份有限公司 Plastic film production blast drying device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1423754A (en) * 1964-10-22 1966-01-07 Shell Int Research Method and device for cooling tubular thermoplastic films
FR1402117A (en) * 1964-04-30 1965-06-11 Ethylene Plastique Sa Improvements in processes and equipment for the manufacture of tubular films by extrusion of thermoplastic materials
BE680937A (en) * 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 (en) * 1968-04-06 1971-04-21

Also Published As

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

Similar Documents

Publication Publication Date Title
BE815725A (en) PROCESS FOR MANUFACTURING A MICROPOROUS FILM
BE794889A (en) PROCESS FOR MANUFACTURING A POROUS DIAPHRAGM
BE758296A (en) PROCESS FOR MANUFACTURING HEXAMETHYLENEDIAMINE
BE815223A (en) PROCESS FOR THE MANUFACTURE OF TUBULAR ARTICLES
BE809232A (en) POLYVINYL ACETAL MANUFACTURING PROCESS
BE795073A (en) PROCESS FOR MAKING HOLLOW AUBES
BE805617A (en) COATING MANUFACTURING PROCESS
BE798074A (en) MACHINE FOR MANUFACTURING A LARGE DIAMETER PIPE
BE769961A (en) PROCESS AND MACHINE FOR THE MANUFACTURE OF A ROLLING LOBE DIAPHRAGM
BE805435A (en) METHOD OF MANUFACTURING A HUMIDITY-TIGHT CONTAINER
BE745707A (en) DEVICE FOR THE CONTINUOUS MANUFACTURING OF RING CORRUGATED TUBES
RO62657A (en) CONTINUOUS PROCESS FOR MANUFACTURING A
BE880274Q (en) PROCESS FOR MANUFACTURING A MOLD
BE760623A (en) MULTI-STAGE AIR PRESSURE RING FOR TUBULAR FILM MANUFACTURING PROCESS
BE804865A (en) HOSE FOR HIGH PRESSURES
BE774259A (en) PROCESS FOR MANUFACTURING A LIQUID COATING
BE757067A (en) PHOTOGRAPHIC OBJECT MANUFACTURING PROCESS
BE810769A (en) PROCESS FOR THE PRODUCTION OF AN ABRASIVE FILM.
BE818512A (en) METHOD OF MANUFACTURING A RAPIDLY SOLUBLE TABLET LEAVING CHLORINE
BE804480A (en) PROCESS FOR THE MANUFACTURE OF TRIMETHYLHYDROQUINONE
BE810861A (en) PROCESS FOR MANUFACTURING BALL BEARINGS
CH550659A (en) METHOD OF MANUFACTURING A TUBE.
CH553184A (en) PROCESS FOR MANUFACTURING ISOQUINOLEINE DERIVATIVES FOR THE MANUFACTURE OF NEW MEDICINES.
BE799605A (en) TWO-STEP PROCESS FOR THE MANUFACTURE OF A COLOR IMGE TUBE,
BE801097A (en) ALKYLSULFONATE MANUFACTURING PROCESS

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ESSO RESEARCH AND ENGINEERING CY

Effective date: 19851231