SE8105125L - Apparat for framstellning av biaxiellt streckta krympfolier - Google Patents

Apparat for framstellning av biaxiellt streckta krympfolier

Info

Publication number
SE8105125L
SE8105125L SE8105125A SE8105125A SE8105125L SE 8105125 L SE8105125 L SE 8105125L SE 8105125 A SE8105125 A SE 8105125A SE 8105125 A SE8105125 A SE 8105125A SE 8105125 L SE8105125 L SE 8105125L
Authority
SE
Sweden
Prior art keywords
rollers
cooling
squeezing
sets
tube
Prior art date
Application number
SE8105125A
Other languages
English (en)
Other versions
SE422175B (sv
Inventor
L Sorensen
Original Assignee
Horsens Plasticvarefab As
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 Horsens Plasticvarefab As filed Critical Horsens Plasticvarefab As
Publication of SE8105125L publication Critical patent/SE8105125L/sv
Publication of SE422175B publication Critical patent/SE422175B/sv

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • 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
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Transmission Devices (AREA)
  • Packages (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Wrappers (AREA)

Claims (1)

PATENTKRAV
1. Apparat ftir framstdllning ay biaxiellt strdckta krympfolier utgAende frAn en extruderad plastfolieslang, innefattande en extruder (1) med en ringdysa ;2) fbr extrudering an plastslangen; en omedelbart i anslutning till ringdysan anordnad kylring (3) fbr tillfOrsel as kylluft till den extruderade plastslangens utsida; en fbrsta uppsdttning kldmvalsar (4) ndra kylringen (3) och en andra uppsdttning kldmvalsar (5) pa stbrre avstand frAn kylringen (3) sett i plastslangens rOrelseriktning saint arefter en upplindningsvals (11), vilka uppsdttningar kldmvalsar Sr anordnade pa var sin transportenhet (16); ett genom extrudern fOrlOpande tillfbrselror (6) for tillfbrsel an ett gasformigt tryckmedium till plastslangens inro sA att det bildas tre utbuktningar (7, 9, 10) mellan ringdysan (2), de tvd uppsdttningarna kldmvalsar (4, 5) och upplindningsvalsen (11), varvid den biaxiella strdckningen star i mellanutbuktningen (10) genom att de tvA uppsdttningarna kldmvalsar (4, 5) Sr ndrmade varandra sA att trycket i mellanutbuktningen (10) dr hbgre dn i ytterutbuktningarna (7, 9) fbr transversell strdckning an plastfolien och den andra uppsdttningen kldmvalsar (5) drives med hbgre periferihastighet On den fbrsta uppsdttningen kldmvalsar (4) fbr longitudinell strdckning ay plastslangen,kannetecknad ay att varje transportenhet or separat fbrflyttbatr i fOrhallande till ringdysan utmed den extruderade slangen och utgbres av en plattf6), och att plmen har en inre avlAng, for- hAllandevis liten tippling), och att respe uppsdttning kldmvalsar (4, 5) Ur monterade i denna bppning.
SE8105125A 1971-08-31 1981-08-31 Apparat for framstellning av biaxielltstreckta krymofolier SE422175B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK426371AA DK125973B (da) 1971-08-31 1971-08-31 Fremgangsmåde til kontinuerlig fremstilling af biaksialt strakte krympefolier samt apparat til udøvelse af fremgangsmåden.

Publications (2)

Publication Number Publication Date
SE8105125L true SE8105125L (sv) 1981-08-31
SE422175B SE422175B (sv) 1982-02-22

Family

ID=8131863

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8105125A SE422175B (sv) 1971-08-31 1981-08-31 Apparat for framstellning av biaxielltstreckta krymofolier

Country Status (12)

Country Link
JP (2) JPS4834969A (sv)
BE (1) BE788153A (sv)
CA (1) CA975516A (sv)
DE (1) DE2240903C2 (sv)
DK (1) DK125973B (sv)
FI (1) FI55142C (sv)
FR (1) FR2150917B1 (sv)
GB (1) GB1390430A (sv)
IE (1) IE36641B1 (sv)
NL (1) NL180290C (sv)
NO (1) NO137428C (sv)
SE (1) SE422175B (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5350772Y2 (sv) * 1975-01-23 1978-12-05
JPS5412057Y2 (sv) * 1977-11-11 1979-05-29
CH641400A5 (de) * 1979-07-26 1984-02-29 Tetra Pak Dev Verfahren zur herstellung einer gereckten kunststoff-folie mit biaxialer molekuelorientierung.
JPS59102249U (ja) * 1982-12-24 1984-07-10 株式会社アーレスティ ダイカスト鋳造における中子の引抜装置
JPS62249721A (ja) * 1986-04-23 1987-10-30 Mazda Motor Corp 円弧状中空プラスチツク部品の製造装置
JP2617358B2 (ja) * 1989-09-22 1997-06-04 松下電工株式会社 成形品の取出し方法
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
WO2011104987A1 (ja) 2010-02-26 2011-09-01 住友電工ファインポリマー株式会社 フッ素樹脂チューブおよび定着器用回転体
JP5407046B2 (ja) 2010-03-08 2014-02-05 住友電工ファインポリマー株式会社 熱収縮性樹脂チューブおよび画像形成装置用回転体
KR20210030460A (ko) * 2018-08-30 2021-03-17 교세라 가부시키가이샤 회전 부재, 혼련기용 부재 및 그것을 사용한 혼련기, 베어링 및 그것을 사용한 베어링 유닛
CN110039758B (zh) * 2019-05-23 2023-12-26 江苏鼎尚电子材料股份有限公司 热缩管生产补气机构
CN113715313B (zh) * 2021-09-27 2023-12-01 哈尔滨鹏程新材料科技股份有限公司 一种食品包装复合袋生产用共挤吹膜机
CN114905715B (zh) * 2022-02-11 2023-04-18 宿迁市金田塑业有限公司 双向拉伸聚丙烯双热绿色保护薄膜制备工艺及其生产设备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466356A (en) * 1966-10-27 1969-09-09 Celanese Corp Method and apparatus for making plastic film

Also Published As

Publication number Publication date
IE36641B1 (en) 1977-01-19
NL180290B (nl) 1986-09-01
CA975516A (en) 1975-10-07
SE422175B (sv) 1982-02-22
FR2150917B1 (sv) 1976-09-17
JPS5839877Y2 (ja) 1983-09-08
GB1390430A (en) 1975-04-09
NO137428B (no) 1977-11-21
JPS5655623U (sv) 1981-05-14
NL7211856A (sv) 1973-03-02
NO137428C (no) 1978-03-01
FR2150917A1 (sv) 1973-04-13
BE788153A (fr) 1972-12-18
JPS4834969A (sv) 1973-05-23
DE2240903C2 (de) 1983-10-27
DK125973B (da) 1973-05-28
DE2240903A1 (de) 1973-05-10
IE36641L (en) 1973-02-28
FI55142C (fi) 1979-06-11
FI55142B (fi) 1979-02-28
NL180290C (nl) 1987-02-02

Similar Documents

Publication Publication Date Title
SE8105125L (sv) Apparat for framstellning av biaxiellt streckta krympfolier
US2844846A (en) Plastic film extruder
US5248366A (en) Method for helical cutting of a flexible tubular sheet of polymeric material
JP2574414B2 (ja) 部分結晶質重合体から押出成形され、延伸されたシームレスチューブを製造する方法及び装置
US3966861A (en) Composite tubular film process and apparatus
US3976732A (en) Method for the extrusion of tubular thermoplastic film
US4022558A (en) Apparatus for the extrusion of tubular thermo-plastic film
EP0252671B1 (en) Apparatus for gauge distribution in plastic tubing
GB1190472A (en) Method and apparatus for the production of Tubular Film
US3960997A (en) Method of manufacturing biaxially stretched shrink foils and an apparatus for carrying the method into effect
DE2259089A1 (de) Verfahren und vorrichtung zur herstellung einer schlauchfolie aus thermoplastischem kunststoff
CA2235892A1 (en) Take-off apparatus for plastic tubular sheets
DE69900617D1 (de) Einrichtung für die Herstellung einer Kunststofffolie
US3576935A (en) Apparatus for and method of gauge distribution in plastic tubing
US5122329A (en) Film blowing apparatus
DE3667632D1 (de) Verfahren und einrichtung zur herstellung von doppelwandigen rohren.
GB1526723A (en) Co-extruded sheet with properties resembling a cross-laminate and method of producing said sheet
JPS6471729A (en) Method and device for manufacturing mesh film
US5891480A (en) Apparatus for the continuous production of biaxially-stretched blown plastic foil
US3956254A (en) Thermoplastic crystalline free films
US3577497A (en) Method for heat-setting biaxially stretched films of thermoplastic materials
GB1249835A (en) Method and apparatus for stretching film of thermoplastic synthetic plastics material
US5205889A (en) Method and apparatus for producing flexible tubes of any length
JPS5637122A (en) Method and apparatus for production of stretched tubular film
GB1270442A (en) Composite tubular film process and apparatus

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8105125-2

Effective date: 19920306

Format of ref document f/p: F