CA2686095C - Film etirable et methode de fabrication connexe - Google Patents

Film etirable et methode de fabrication connexe Download PDF

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Publication number
CA2686095C
CA2686095C CA2686095A CA2686095A CA2686095C CA 2686095 C CA2686095 C CA 2686095C CA 2686095 A CA2686095 A CA 2686095A CA 2686095 A CA2686095 A CA 2686095A CA 2686095 C CA2686095 C CA 2686095C
Authority
CA
Canada
Prior art keywords
stretch film
film web
wrinkles
roller
grooved surface
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.)
Active
Application number
CA2686095A
Other languages
English (en)
Other versions
CA2686095A1 (fr
Inventor
Anthony Galea
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.)
MALPACK STRETCH FILM
Original Assignee
MALPACK STRETCH FILM
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 MALPACK STRETCH FILM filed Critical MALPACK STRETCH FILM
Priority to CA2686095A priority Critical patent/CA2686095C/fr
Publication of CA2686095A1 publication Critical patent/CA2686095A1/fr
Application granted granted Critical
Publication of CA2686095C publication Critical patent/CA2686095C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/22—Making webs in which the channel of each corrugation is longitudinal with the web feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/512—Changing form of handled material
    • B65H2301/5122—Corrugating; Stiffening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/131—Details of longitudinal profile shape
    • B65H2404/1311—Undulations, wavy shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/131—Details of longitudinal profile shape
    • B65H2404/1316—Details of longitudinal profile shape stepped or grooved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/14—Roller pairs
    • B65H2404/141—Roller pairs with particular shape of cross profile
    • B65H2404/1415—Roller pairs with particular shape of cross profile with male / female profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/175—Plastic
    • B65H2701/1752—Polymer film

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Abstract

Une méthode de production dun rouleau de film étirable comprend les étapes qui consistent à passer un film étirable sur un premier rouleau, et à enrouler le fil étirable autour dun second rouleau contre le premier rouleau, le premier rouleau possédant une surface pour permettre lintroduction dair dans le film étirable enroulé.
CA2686095A 2009-11-20 2009-11-20 Film etirable et methode de fabrication connexe Active CA2686095C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2686095A CA2686095C (fr) 2009-11-20 2009-11-20 Film etirable et methode de fabrication connexe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2686095A CA2686095C (fr) 2009-11-20 2009-11-20 Film etirable et methode de fabrication connexe

Publications (2)

Publication Number Publication Date
CA2686095A1 CA2686095A1 (fr) 2011-05-20
CA2686095C true CA2686095C (fr) 2016-11-15

Family

ID=44063348

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2686095A Active CA2686095C (fr) 2009-11-20 2009-11-20 Film etirable et methode de fabrication connexe

Country Status (1)

Country Link
CA (1) CA2686095C (fr)

Also Published As

Publication number Publication date
CA2686095A1 (fr) 2011-05-20

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