FR2205401B1 - - Google Patents

Info

Publication number
FR2205401B1
FR2205401B1 FR7240432A FR7240432A FR2205401B1 FR 2205401 B1 FR2205401 B1 FR 2205401B1 FR 7240432 A FR7240432 A FR 7240432A FR 7240432 A FR7240432 A FR 7240432A FR 2205401 B1 FR2205401 B1 FR 2205401B1
Authority
FR
France
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
FR7240432A
Other languages
French (fr)
Other versions
FR2205401A1 (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.)
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
Application filed by Individual filed Critical Individual
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 FR2205401A1 (en) 1974-05-31
FR2205401B1 true 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)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100124A (en) * 1979-01-27 1980-07-30 Chisso Eng Kk Startup of bi-axial stretching for plastic tube and its apparatus
CH656346A5 (de) * 1981-03-13 1986-06-30 Tetra Pak Dev Verfahren zur molekularen orientierung von kunststoffmaterial.
CA2028206A1 (en) * 1989-10-27 1991-04-28 Jacob Wajsbrot Process for the manufacturing of a mechanically conditioned thermoplastic film with biaxially recoverable stresses
CN102741037B (zh) * 2010-02-10 2014-10-29 住友电工超效能高分子股份有限公司 热收缩管以及制造热收缩管的装置和方法
FR3022825B1 (fr) * 2014-06-30 2017-05-19 Michel Cottet Procede et un dispositif d’extension homogene d’une gaine thermoretractable

Family Cites Families (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

Also Published As

Publication number Publication date
FR2205401A1 (en) 1974-05-31

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Legal Events

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