DK164447B - Fremgangsmaade til fremstilling af et foliekomposit - Google Patents

Fremgangsmaade til fremstilling af et foliekomposit Download PDF

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Publication number
DK164447B
DK164447B DK279086A DK279086A DK164447B DK 164447 B DK164447 B DK 164447B DK 279086 A DK279086 A DK 279086A DK 279086 A DK279086 A DK 279086A DK 164447 B DK164447 B DK 164447B
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DK
Denmark
Prior art keywords
plastic film
fiber structure
film
silo
cylinder
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Application number
DK279086A
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English (en)
Other versions
DK279086D0 (da
DK279086A (da
DK164447C (da
Inventor
Winfried Merz
Theo Schmidt
Original Assignee
Unilever Nv
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Publication of DK279086D0 publication Critical patent/DK279086D0/da
Publication of DK279086A publication Critical patent/DK279086A/da
Publication of DK164447B publication Critical patent/DK164447B/da
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Publication of DK164447C publication Critical patent/DK164447C/da

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0032—Ancillary operations in connection with laminating processes increasing porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/06—Embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • B32B2038/047—Perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/10—Fibres of continuous length
    • B32B2305/18—Fabrics, textiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1023—Surface deformation only [e.g., embossing]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1039—Surface deformation only of sandwich or lamina [e.g., embossed panels]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1039—Surface deformation only of sandwich or lamina [e.g., embossed panels]
    • Y10T156/1041—Subsequent to lamination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1043—Subsequent to assembly
    • Y10T156/1044—Subsequent to assembly of parallel stacked sheets only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1056—Perforating lamina
    • Y10T156/1057—Subsequent to assembly of laminae

Landscapes

  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Moulding By Coating Moulds (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Nonwoven Fabrics (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Materials For Medical Uses (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Polymerisation Methods In General (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Description

i
DK 164447 B
Opfindelsen angår en fremgangsmåde til fremstilling af et foliekomposit af en flad fiberstruktur og en plastfolie, ved hvilken plastfolien kommende i termoplastisk tilstand fra en ekstruderdyse forbindes med den flade fiber-5 struktur under indvirkning af et pneumatisk differenstryk, og plastfolien perforeres og afkøles ved hjælp af den gennem perforeringerne strømmende luft.
Fra GB patentskrift nr. 1 100 485 kendes en sådan fremgangsmåde, ved hvilken plastfolien ekstruderes på fiber-10 strukturen og perforeres ved hjælp af et gennem denne virkende vakuum.
Plastfoliens overfladeegenskaber er herved, navnlig ved anvendelse som dækfolie på engangsbleer, ikke tilfredsstillende, da den føles glat og kold og ikke har de behage-15 lige egenskaber som en tekstilble.
Opfindelsens formål er at påvise en fremgangsmåde, med hvilken der kan fremstilles et foliekomposit, ved hvilket den perforerede plastfolie er blød og elastisk og næsten har tekstilegenskaber.
20 Dette formål opnås ifølge opfindelsen ved, at plast folien kommende umiddelbart fra ekstruderdysen løber ud på den silignende flade på en cylinder, og den flade fiberstruktur påføres på den bort fra den silignende flade vendende side af plastfolien, og den gennem perforeringerne strømmende 25 luft også afkøler cylinderens silignende flade, idet denne flade igen afkøler den umiddelbart mod sig anliggende plastfolie yderligere.
Ved hjælp af denne hurtige afkøling opnås en blød og smidig folie, der føles behagelig på den menneskelige hud.
30 Fra US patentskrift nr. 4 351 786 kendes ganske vist en fremgangsmåde, ved hvilken en fra en ekstruder kommende plastfolie umiddelbart løber ud på en silignende flade på en cylinder og nærmere bestemt i et område, i hvilket der er anbragt et vakuumkammer. Herved drejer det sig imidlertid 35 udelukkende om en monofolie, og problemet med den hurtige afkøling ikke er nævnt dér.
2
DK 164447 B
Ved at fiberstrukturen er anbragt på den bort fra den silignende flade vendende side af plastfolien, bestemmes perforationen udelukkende af den silignende flade og bliver derved meget ensartet.
5 På grund af plastfoliens termoplastiske tilstand under påføringen af fiberstrukturen sammenklæbes dens overflade så stærkt med fiber strukturen, at der opnås en inderlig forbindelse. Herved er det af underordnet betydning, af hvilket materiale fibrene består. Ved et passende materiale-10 valg kan intensiteten af forbindelsen imidlertid styres. I første række sker materialevalget af fiberstrukturen imidlertid efter det tilsigtede anvendelsesformål.
Det blev herved fastslået, at fiberstrukturens tekstilkarakter på ingen måde bliver forringet, tværtimod bliver 15 dens bløde, behagelige egenskaber fuldstændig bibeholdt.
Opfindelsen skal i det følgende beskrives nærmere, idet der henvises til tegningen, på hvilken fig. 1 viser et apparat til fremstilling af et folie-komposit, 20 fig. 2 et snit gennem et foliekomposit med et tekstil væv som fiberstruktur.
I fig. 1 betegner 1 en ekstruderdyse, hvorfra en plastfolie 2 af polyethylen tilføres en silignende flade 3 på en cylinder 4. På det sted, hvor den rammes af plast-25 folien, er der i det indre af cylinderen 4 anbragt et sugekammer 5, som udøver et pneumatisk differenstryk på plastfolien. Samtidig med plastfolien løber ledet af en styrevalse 6 en fiberstruktur 7 op på den silignende flade 3. Det pneumatiske differenstryk i sugekammeret 5 suger afsnit af plast-30 folien ind i åbningerne i den silignende flade, danner derved udprægninger og perforerer folien inden i disse udprægninger. Herved suges luft gennem fiberstrukturen 7, som både presser . denne imod plastfolien og samtidig afkøler plastfolien. Styrevalsen 6 kan yderligere understøtte denne påpresning, 35 men dette er imidlertid ikke ubetinget nødvendigt for en inderlig forbindelse af de to lag. I cylinderen 4 er endvi- 3
DK 164447 B
dere anbragt to yderligere sugekamre 8 og 9, af hvilke sugekammeret 8 afsuger luft til køling af det færdige foliekom-posit 10, mens sugekammeret 9 tjener til køling af den silignende flade 3.
5 Ved den i fig. 2 viste udførelsesform er det dér gengivne foliekomposit fremstillet på den i forbindelse med fig. 1 beskrevne måde. Plastfolien 2 har sine udprægninger 11 på den bort fra fiber strukturen 7 vendende side. Hertil er der som fiberstruktur anvendt et tekstilvæv.
10

Claims (1)

  1. DK 164447 B PATENTKRAV. Fremgangsmåde til fremstilling af et foliekomposit (10) af en flad fiberstruktur (7) og en plastfolie (2), ved hvilken plastfolien kommende i termoplastisk tilstand fra 5 en ekstruderdyse (1) forbindes med den flade fiberstruktur (7) under indvirkning af et pneumatisk differenstryk, og plastfolien (2) perforeres og afkøles ved hjælp af den gennem perforeringerne strømmende luft, kendetegnet ved, at plastfolien kommende umiddelbart fra ekstruderdysen 10 løber ud på den silignende flade (3) på en cylinder (4), og den flade fiberstruktur (7) påføres på den bort fra den silignende flade (3) vendende side af plastfolien (2), og den gennem perforeringerne strømmende luft også afkøler cylinderens (4) silignende flade (3), idet denne flade (3) 15 igen afkøler den umiddelbart mod sig anliggende plastfolie (2) yderligere.
DK279086A 1985-06-14 1986-06-13 Fremgangsmaade til fremstilling af et foliekomposit DK164447C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853521374 DE3521374A1 (de) 1985-06-14 1985-06-14 Verfahren zum herstellen eines folienverbundes und danach hergestellter folienverbund
DE3521374 1985-06-14

Publications (4)

Publication Number Publication Date
DK279086D0 DK279086D0 (da) 1986-06-13
DK279086A DK279086A (da) 1986-12-15
DK164447B true DK164447B (da) 1992-06-29
DK164447C DK164447C (da) 1992-11-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DK279086A DK164447C (da) 1985-06-14 1986-06-13 Fremgangsmaade til fremstilling af et foliekomposit

Country Status (9)

Country Link
US (1) US4995930A (da)
EP (1) EP0209713B1 (da)
JP (1) JPS61293835A (da)
AT (1) ATE59019T1 (da)
DE (2) DE3521374A1 (da)
DK (1) DK164447C (da)
ES (1) ES8800089A1 (da)
GR (1) GR861322B (da)
NO (1) NO862369L (da)

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ES8800089A1 (es) 1987-11-01
ATE59019T1 (de) 1990-12-15
DE3521374A1 (de) 1986-12-18
EP0209713A2 (de) 1987-01-28
JPS61293835A (ja) 1986-12-24
DE3521374C2 (da) 1988-10-27
ES556055A0 (es) 1987-11-01
DK279086D0 (da) 1986-06-13
US4995930A (en) 1991-02-26
NO862369L (no) 1986-12-15
EP0209713A3 (en) 1988-08-10
DK279086A (da) 1986-12-15
NO862369D0 (no) 1986-06-13
DK164447C (da) 1992-11-16
GR861322B (en) 1986-09-19
EP0209713B1 (de) 1990-12-12
DE3676125D1 (de) 1991-01-24

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