CA1015913A - Adjustable flat spinneret for the coextrusion of flats films - Google Patents

Adjustable flat spinneret for the coextrusion of flats films

Info

Publication number
CA1015913A
CA1015913A CA160,929A CA160929A CA1015913A CA 1015913 A CA1015913 A CA 1015913A CA 160929 A CA160929 A CA 160929A CA 1015913 A CA1015913 A CA 1015913A
Authority
CA
Canada
Prior art keywords
flats
coextrusion
films
adjustable flat
flat spinneret
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.)
Expired
Application number
CA160,929A
Other languages
English (en)
Other versions
CA160929S (en
Inventor
Robert Riboulet
Yves Galery
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.)
Cellophane SA France
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
Priority claimed from FR7200709A external-priority patent/FR2167229B1/fr
Priority claimed from FR7217765A external-priority patent/FR2184468B2/fr
Application filed by Individual filed Critical Individual
Priority to CA280,043A priority Critical patent/CA1033520A/en
Application granted granted Critical
Publication of CA1015913A publication Critical patent/CA1015913A/en
Expired 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
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/19—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their edges
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
CA160,929A 1972-01-11 1973-01-10 Adjustable flat spinneret for the coextrusion of flats films Expired CA1015913A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA280,043A CA1033520A (en) 1972-01-11 1977-06-07 Composite plastic film having borderstrips at edges

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7200709A FR2167229B1 (xx) 1972-01-11 1972-01-11
FR7217765A FR2184468B2 (xx) 1972-05-18 1972-05-18

Publications (1)

Publication Number Publication Date
CA1015913A true CA1015913A (en) 1977-08-23

Family

ID=26216829

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,929A Expired CA1015913A (en) 1972-01-11 1973-01-10 Adjustable flat spinneret for the coextrusion of flats films

Country Status (11)

Country Link
JP (1) JPS5315546B2 (xx)
BE (1) BE793756A (xx)
CA (1) CA1015913A (xx)
CH (1) CH566202A5 (xx)
DE (1) DE2301117C3 (xx)
DK (1) DK145256C (xx)
GB (1) GB1397652A (xx)
IT (1) IT974352B (xx)
LU (1) LU66812A1 (xx)
NL (1) NL153801B (xx)
SE (1) SE420692B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3239782C2 (de) * 1982-10-27 1985-01-31 Dynamit Nobel Ag, 5210 Troisdorf Vorrichtung zum Coextrudieren einer einen Farbkeil aufweisenden Folie aus einem ungefärbten thermoplastischen Kunststoff
JPS5975015U (ja) * 1982-11-12 1984-05-22 株式会社吉野工業所 合成樹脂製チユ−ブ
CN101537695A (zh) * 2004-09-30 2009-09-23 东丽株式会社 叠层板的制造装置和制造方法
US8895126B2 (en) * 2010-12-31 2014-11-25 Kimberly-Clark Worldwide, Inc. Segmented films with high strength seams
US10081123B2 (en) 2010-12-31 2018-09-25 Kimberly-Clark Worldwide, Inc. Segmented films with high strength seams
CN111241688B (zh) * 2020-01-15 2023-08-25 北京百度网讯科技有限公司 复合生产工艺过程监控方法及装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3473193A (en) * 1967-01-03 1969-10-21 Nat Distillers Chem Corp Reciprocating multi-orificed internal die diverter
US3477099A (en) * 1967-12-21 1969-11-11 Dow Chemical Co Extrusion apparatus

Also Published As

Publication number Publication date
BE793756A (fr) 1973-05-02
SE420692B (sv) 1981-10-26
NL153801B (nl) 1977-07-15
DE2301117A1 (de) 1973-07-19
DE2301117C3 (de) 1978-10-26
DK145256B (da) 1982-10-18
GB1397652A (en) 1975-06-18
DE2301117B2 (de) 1978-03-02
NL7300359A (xx) 1973-07-13
DK145256C (da) 1983-03-14
JPS4879256A (xx) 1973-10-24
LU66812A1 (xx) 1973-03-19
JPS5315546B2 (xx) 1978-05-25
IT974352B (it) 1974-06-20
CH566202A5 (xx) 1975-09-15

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19940823