CR10054A - Rollo de pelicula pre-estirada con aire atrapado y método - Google Patents

Rollo de pelicula pre-estirada con aire atrapado y método

Info

Publication number
CR10054A
CR10054A CR10054A CR10054A CR10054A CR 10054 A CR10054 A CR 10054A CR 10054 A CR10054 A CR 10054A CR 10054 A CR10054 A CR 10054A CR 10054 A CR10054 A CR 10054A
Authority
CR
Costa Rica
Prior art keywords
stretched film
film roll
trapped air
roll
lldpe
Prior art date
Application number
CR10054A
Other languages
English (en)
Inventor
Gerardo Santillan Diaz De Leon Angel
Original Assignee
Gerardo Santillan Diaz De Leon Angel
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 Gerardo Santillan Diaz De Leon Angel filed Critical Gerardo Santillan Diaz De Leon Angel
Publication of CR10054A publication Critical patent/CR10054A/es

Links

Classifications

    • 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
    • B65H18/103—Reel-to-reel type web winding and unwinding mechanisms
    • 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
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • 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
    • 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
    • B29C55/065—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 in several stretching steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0608—PE, i.e. polyethylene characterised by its density
    • B29K2023/0625—LLDPE, i.e. linear low density polyethylene
    • 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
    • B65H2301/5124—Stretching; Tentering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/17—Deformation, e.g. stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/31—Tensile forces
    • B65H2515/314—Tension profile, i.e. distribution of tension, e.g. across the material feeding direction or along diameter of web roll
    • 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)
  • Winding Of Webs (AREA)

Abstract

Un rollo de película pre-estirada de polietileno lineal mono-orientada de baja densida (LLDPE), que se estira entre el 30% y el 30% de su longitud original dependiendo del producto final que se requiera. El estirado es en la dirección de máquina (MD) a un ritmo de estiramiento controlado en dos etapas.
CR10054A 2006-05-03 2008-06-06 Rollo de pelicula pre-estirada con aire atrapado y método CR10054A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MXGT06000009A MXGT06000009A (es) 2006-05-03 2006-05-03 Rollo de pelicula pre-estirada con aire atrapado y metodo.

Publications (1)

Publication Number Publication Date
CR10054A true CR10054A (es) 2009-04-20

Family

ID=38655763

Family Applications (1)

Application Number Title Priority Date Filing Date
CR10054A CR10054A (es) 2006-05-03 2008-06-06 Rollo de pelicula pre-estirada con aire atrapado y método

Country Status (6)

Country Link
US (1) US20090131618A1 (es)
BR (1) BRPI0618541A2 (es)
CA (1) CA2653829A1 (es)
CR (1) CR10054A (es)
MX (1) MXGT06000009A (es)
WO (1) WO2007126304A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2335906A1 (en) * 2009-12-21 2011-06-22 Trioplast AB Prestretched film
US8853340B2 (en) * 2011-08-26 2014-10-07 The Glad Products Company Stretched films with maintained tear resistance and methods for making the same
ITMI20130758A1 (it) * 2013-05-09 2014-11-10 No El Srl Macchina per la produzione di bobine di film estensibile prestirato con dispositivo di avvolgimento perfezionato
BR102013024227A2 (pt) * 2013-09-20 2015-08-18 Embalagens Flexíveis Diadema S A Método de produção de uma estrutura laminada flexível, estrutura laminada flexível assim obtida, filme de polietieno mono estirado e embalagem formada pela estrutura laminada flexível
CN120228889A (zh) * 2025-04-07 2025-07-01 苏州泓鑫翔机械有限公司 一种带梯度加热功能的pvc薄膜生产拉薄装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646124B1 (fr) * 1988-06-22 1994-04-08 Hureau Jacques Procede et dispositif pour le faconnage en continu de feuilles ou films en matiere thermoplastique
AT393648B (de) * 1990-02-15 1991-11-25 Chemiefaser Lenzing Ag Folienstreckanlage
DE19746823C1 (de) * 1997-10-23 1999-04-08 Goedecke Ag Vorrichtung zum Strecken einer insbesondere bedruckten Folienbahn aus Aluminium oder aus einem anderen streckbaren Material
ITMI20010094A1 (it) * 2001-01-19 2002-07-19 Testa Engineering S R L Macchina per l'avvolgimento in rotoli e/o l'imballaggio di rotoli di tessuti e simili
US20060243842A1 (en) * 2005-04-28 2006-11-02 Martin Guillermo Duran Espinoza Angel Gerardo Santillan Diaz De Leon Pre-stretched wrapping film roll with entrapped air and method

Also Published As

Publication number Publication date
US20090131618A1 (en) 2009-05-21
WO2007126304A1 (es) 2007-11-08
MXGT06000009A (es) 2007-11-02
CA2653829A1 (en) 2007-11-08
BRPI0618541A2 (pt) 2011-09-06

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Legal Events

Date Code Title Description
FA Abandonment or withdrawal (granting procedure)