GB1147418A - Method and apparatus for making oriented blown tubular film - Google Patents

Method and apparatus for making oriented blown tubular film

Info

Publication number
GB1147418A
GB1147418A GB3771/68A GB377168A GB1147418A GB 1147418 A GB1147418 A GB 1147418A GB 3771/68 A GB3771/68 A GB 3771/68A GB 377168 A GB377168 A GB 377168A GB 1147418 A GB1147418 A GB 1147418A
Authority
GB
United Kingdom
Prior art keywords
tubular film
conduit
ball
gas
die
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
GB3771/68A
Other languages
English (en)
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.)
FMC Corp
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Publication of GB1147418A publication Critical patent/GB1147418A/en
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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/89—Internal treatment, e.g. by applying an internal cooling fluid stream
    • 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
    • B29C48/911—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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB3771/68A 1967-03-02 1968-01-24 Method and apparatus for making oriented blown tubular film Expired GB1147418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62014867A 1967-03-02 1967-03-02

Publications (1)

Publication Number Publication Date
GB1147418A true GB1147418A (en) 1969-04-02

Family

ID=24484788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3771/68A Expired GB1147418A (en) 1967-03-02 1968-01-24 Method and apparatus for making oriented blown tubular film

Country Status (3)

Country Link
DE (1) DE1704668A1 (enrdf_load_stackoverflow)
FR (1) FR1555235A (enrdf_load_stackoverflow)
GB (1) GB1147418A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2331954A (en) * 1997-12-02 1999-06-09 Brampton Engineering Inc Apparatus and method for forming a blown film

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515103A1 (fr) * 1981-10-28 1983-04-29 Ems Ind Dispositif pour le refroidissement d'une feuille tubulaire de matiere plastique et procede s'y rapportant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2331954A (en) * 1997-12-02 1999-06-09 Brampton Engineering Inc Apparatus and method for forming a blown film
US6068462A (en) * 1997-12-02 2000-05-30 Brampton Engineering, Inc. Apparatus for continuously forming a blown film
GB2331954B (en) * 1997-12-02 2002-06-19 Brampton Engineering Inc Method and apparatus for continuously forming a blown film

Also Published As

Publication number Publication date
FR1555235A (enrdf_load_stackoverflow) 1969-01-24
DE1704668A1 (de) 1971-05-27

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