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MX2017011078A - Procedimiento y dispositivo para tensionar biaxial y continuamente una pelicula en base a la transicion de la superficie en forma de silla de montar. - Google Patents

Procedimiento y dispositivo para tensionar biaxial y continuamente una pelicula en base a la transicion de la superficie en forma de silla de montar.

Info

Publication number
MX2017011078A
MX2017011078A MX2017011078A MX2017011078A MX2017011078A MX 2017011078 A MX2017011078 A MX 2017011078A MX 2017011078 A MX2017011078 A MX 2017011078A MX 2017011078 A MX2017011078 A MX 2017011078A MX 2017011078 A MX2017011078 A MX 2017011078A
Authority
MX
Mexico
Prior art keywords
film
stretching
transversely
longitudinally
curved
Prior art date
Application number
MX2017011078A
Other languages
English (en)
Inventor
Qu Jinping
Zhang Guizhen
Original Assignee
Univ South China Tech
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 Univ South China Tech filed Critical Univ South China Tech
Publication of MX2017011078A publication Critical patent/MX2017011078A/es

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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • 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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • B29C55/165—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

La presente invención desvela un procedimiento y dispositivo para tensionar biaxial y continuamente una película en base a la transición de la superficie en forma de silla de montar. En el procedimiento de estiramiento biaxial de la superficie de película, con las fuerzas de tracción laterales y longitudinales aplicadas a un plano tangente diferente, la película está sometida a una transición suave en un espacio tridimensional desde un plano estrecho a través de una superficie en forma de silla de montar hasta un plano ancho, con la uniformidad del espesor de la película de la tensión biaxial regulada mediante el control de la forma de la superficie en forma de silla de montar; el dispositivo comprende una unidad de rueda de dientes angulares y una unidad de ruedas paralelas, siendo ajustable el ángulo entre las dos ruedas de tensión lateral en la unidad de rueda de dientes angulares, estando las dos ruedas de tensión longitudinal en la unidad de ruedas paralelas dispuestas en paralelo; la tensión lateral de la película se consigue mediante el giro de la rueda de tensión lateral, y la tensión longitudinal de la película se consigue por la diferencia de velocidad lineal entre la rueda de tensión lateral y la rueda de tensión longitudinal. La presente invención, adoptando la estructura de la rueda de unión, utiliza efectivamente la superficie en forma de silla de montar para regular el fenómeno de arqueamiento, y reduce la superficie de contacto entre la película y el elemento de tensión, evitando así que el rendimiento superficial se deteriore por la fricción, lo que es ventajoso para mejorar la uniformidad del espesor del producto de película.
MX2017011078A 2015-03-25 2015-12-29 Procedimiento y dispositivo para tensionar biaxial y continuamente una pelicula en base a la transicion de la superficie en forma de silla de montar. MX2017011078A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510134403.XA CN104723546B (zh) 2015-03-25 2015-03-25 基于鞍形曲面过渡的薄膜无级双向拉伸方法
PCT/CN2015/099635 WO2016150222A1 (zh) 2015-03-25 2015-12-29 基于鞍形曲面过渡的薄膜无级双向拉伸方法及装置

Publications (1)

Publication Number Publication Date
MX2017011078A true MX2017011078A (es) 2018-03-15

Family

ID=53448245

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017011078A MX2017011078A (es) 2015-03-25 2015-12-29 Procedimiento y dispositivo para tensionar biaxial y continuamente una pelicula en base a la transicion de la superficie en forma de silla de montar.

Country Status (13)

Country Link
US (1) US10836096B2 (es)
EP (1) EP3275625B1 (es)
JP (1) JP6580154B2 (es)
KR (1) KR102033070B1 (es)
CN (1) CN104723546B (es)
AU (1) AU2015387587B2 (es)
BR (1) BR112017020470A2 (es)
CA (1) CA2978478C (es)
MX (1) MX2017011078A (es)
MY (1) MY191731A (es)
RU (1) RU2688584C2 (es)
SG (1) SG11201706622QA (es)
WO (1) WO2016150222A1 (es)

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CN115923111B (zh) * 2022-11-28 2025-09-19 台山市富通达软包装材料科技有限公司 一种bopp薄膜双向均匀拉伸装置
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Also Published As

Publication number Publication date
CN104723546A (zh) 2015-06-24
JP6580154B2 (ja) 2019-09-25
AU2015387587A1 (en) 2017-08-17
WO2016150222A1 (zh) 2016-09-29
KR102033070B1 (ko) 2019-10-16
EP3275625B1 (en) 2020-09-16
RU2017131340A3 (es) 2019-04-25
EP3275625A1 (en) 2018-01-31
CA2978478C (en) 2021-02-09
CA2978478A1 (en) 2016-09-29
CN104723546B (zh) 2017-04-05
BR112017020470A2 (pt) 2018-07-03
MY191731A (en) 2022-07-13
US20180056576A1 (en) 2018-03-01
RU2017131340A (ru) 2019-04-25
JP2018508388A (ja) 2018-03-29
SG11201706622QA (en) 2017-09-28
AU2015387587B2 (en) 2019-05-09
RU2688584C2 (ru) 2019-05-21
EP3275625A4 (en) 2018-11-14
US10836096B2 (en) 2020-11-17
KR20180022629A (ko) 2018-03-06

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