FR2205401A1 - Orientation of small bore tubular film - by local constriction of trapped bubble to cause radial dilation - Google Patents

Orientation of small bore tubular film - by local constriction of trapped bubble to cause radial dilation

Info

Publication number
FR2205401A1
FR2205401A1 FR7240432A FR7240432A FR2205401A1 FR 2205401 A1 FR2205401 A1 FR 2205401A1 FR 7240432 A FR7240432 A FR 7240432A FR 7240432 A FR7240432 A FR 7240432A FR 2205401 A1 FR2205401 A1 FR 2205401A1
Authority
FR
France
Prior art keywords
bubble
orientation
tubular film
small bore
cause radial
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.)
Granted
Application number
FR7240432A
Other languages
English (en)
French (fr)
Other versions
FR2205401B1 (enExample
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.)
FLAX VALERE FR
Original Assignee
FLAX VALERE FR
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 FLAX VALERE FR filed Critical FLAX VALERE FR
Priority to FR7240432A priority Critical patent/FR2205401A1/fr
Publication of FR2205401A1 publication Critical patent/FR2205401A1/fr
Application granted granted Critical
Publication of FR2205401B1 publication Critical patent/FR2205401B1/fr
Granted 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/08—Making preforms having internal stresses, e.g. plastic memory by stretching tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
FR7240432A 1972-11-08 1972-11-08 Orientation of small bore tubular film - by local constriction of trapped bubble to cause radial dilation Granted FR2205401A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7240432A FR2205401A1 (en) 1972-11-08 1972-11-08 Orientation of small bore tubular film - by local constriction of trapped bubble to cause radial dilation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7240432A FR2205401A1 (en) 1972-11-08 1972-11-08 Orientation of small bore tubular film - by local constriction of trapped bubble to cause radial dilation

Publications (2)

Publication Number Publication Date
FR2205401A1 true FR2205401A1 (en) 1974-05-31
FR2205401B1 FR2205401B1 (enExample) 1976-10-29

Family

ID=9107167

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7240432A Granted FR2205401A1 (en) 1972-11-08 1972-11-08 Orientation of small bore tubular film - by local constriction of trapped bubble to cause radial dilation

Country Status (1)

Country Link
FR (1) FR2205401A1 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447263A1 (fr) * 1979-01-27 1980-08-22 Chisso Eng Co Ltd Procede et appareil pour etirer biaxialement un tube en matiere plastique
EP0060602A3 (en) * 1981-03-13 1984-05-16 Tetra Pak Developpement Sa Method of molecularly orienting plastics material
EP0425289A3 (en) * 1989-10-27 1992-07-01 Plasticos Polyfilm S/A Manufacture of mechanically conditioned thermoplastic films
WO2011099229A1 (ja) * 2010-02-10 2011-08-18 住友電工ファインポリマー株式会社 熱収縮チューブ、その製造方法および製造装置
FR3022825A1 (fr) * 2014-06-30 2016-01-01 Michel Cottet Procede et un dispositif d’extension homogene d’une gaine thermoretractable

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1422037A (fr) * 1964-02-03 1965-12-24 Procédé et machine pour la fabrication de gaines et de films en matière plastique, et produits mono ou bi-orientés obtenus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1422037A (fr) * 1964-02-03 1965-12-24 Procédé et machine pour la fabrication de gaines et de films en matière plastique, et produits mono ou bi-orientés obtenus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447263A1 (fr) * 1979-01-27 1980-08-22 Chisso Eng Co Ltd Procede et appareil pour etirer biaxialement un tube en matiere plastique
EP0060602A3 (en) * 1981-03-13 1984-05-16 Tetra Pak Developpement Sa Method of molecularly orienting plastics material
EP0425289A3 (en) * 1989-10-27 1992-07-01 Plasticos Polyfilm S/A Manufacture of mechanically conditioned thermoplastic films
WO2011099229A1 (ja) * 2010-02-10 2011-08-18 住友電工ファインポリマー株式会社 熱収縮チューブ、その製造方法および製造装置
FR3022825A1 (fr) * 2014-06-30 2016-01-01 Michel Cottet Procede et un dispositif d’extension homogene d’une gaine thermoretractable

Also Published As

Publication number Publication date
FR2205401B1 (enExample) 1976-10-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse