CA2308625A1 - Methode et appareil pour fabriquer des matieres plastiques lenticulaires - Google Patents

Methode et appareil pour fabriquer des matieres plastiques lenticulaires Download PDF

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Publication number
CA2308625A1
CA2308625A1 CA002308625A CA2308625A CA2308625A1 CA 2308625 A1 CA2308625 A1 CA 2308625A1 CA 002308625 A CA002308625 A CA 002308625A CA 2308625 A CA2308625 A CA 2308625A CA 2308625 A1 CA2308625 A1 CA 2308625A1
Authority
CA
Canada
Prior art keywords
plastic sheet
chill roller
patterned
lenticular
roller
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.)
Abandoned
Application number
CA002308625A
Other languages
English (en)
Inventor
William M. Karszes
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.)
Individual
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
Application filed by Individual filed Critical Individual
Publication of CA2308625A1 publication Critical patent/CA2308625A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0012—Arrays characterised by the manufacturing method
    • G02B3/0031—Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00278—Lenticular sheets
    • B29D11/00288—Lenticular sheets made by a rotating cylinder
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/46—Rollers
    • B29C2043/461—Rollers the rollers having specific surface features
    • B29C2043/463—Rollers the rollers having specific surface features corrugated, patterned or embossed surface
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses

Abstract

La présente invention porte sur une méthode et un appareil permettant d'obtenir une feuille plastique lenticulaire (30). Cette méthode consiste à utiliser un premier rouleau refroidisseur (40), un rouleau refroidisseur à motifs (42) ayant un premier motif lenticulaire et un deuxième rouleau refroidisseur (48). Une feuille plastique (49) est extrudée dans la première ligne de contact (140), entre le premier rouleau refroidisseur (40) et le rouleau à motifs (42), de sorte qu'elle soit en contact avec le premier motif lenticulaire, ce qui facilite la formation d'un second motif complémentaire sur ladite feuille. Une courroie (44) disposée autour du premier rouleau refroidisseur (40) et du second rouleau refroidisseur (48) exerce une force sur la feuille plastique (49) dans le sens du rouleau refroidisseur à motifs (42), et maintient ainsi la feuille de plastique (49) en contact avec le rouleau refroidisseur à motifs (42) pour empêcher une distorsion du second motif lenticulaire à mesure que la feuille de plastique refroidit, c'est-à-dire qu'elle passe de l'état de fusion à l'état de non fusion.
CA002308625A 1997-11-05 1997-11-05 Methode et appareil pour fabriquer des matieres plastiques lenticulaires Abandoned CA2308625A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1997/020105 WO1999022931A1 (fr) 1997-11-05 1997-11-05 Methode et appareil pour fabriquer des matieres plastiques lenticulaires

Publications (1)

Publication Number Publication Date
CA2308625A1 true CA2308625A1 (fr) 1999-05-14

Family

ID=22262006

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002308625A Abandoned CA2308625A1 (fr) 1997-11-05 1997-11-05 Methode et appareil pour fabriquer des matieres plastiques lenticulaires

Country Status (4)

Country Link
EP (1) EP1066152A4 (fr)
AU (1) AU5245698A (fr)
CA (1) CA2308625A1 (fr)
WO (1) WO1999022931A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19943604C2 (de) * 1999-09-11 2002-06-27 Schroeder Heinrich Friedrich Verfahren zur kontinuierlichen Herstellung von endlosen, optisch abbildungsfähigen Folien, Bahnen und Platten aus Kunststoffen und Einrichtung zur Ausübung des Verfahrens
US20040026824A1 (en) * 2000-10-18 2004-02-12 Atsushi Fujii Method for producing embossed sheet and embossed sheet
ITMI20030659A1 (it) * 2003-04-04 2004-10-05 Steel Belt Systems Srl Dispositivo di intaglio in particolare di materiali allo stato plastico
EP2243618B1 (fr) 2009-04-22 2012-10-31 Nordenia Deutschland Gronau GmbH Procédé de fabrication d'un film thermoplastique doté d'une surface structurée tridimensionnelle
NL2009906C2 (nl) * 2012-11-29 2014-06-04 Climate Invest B V Inrichting en werkwijze voor het bewerken van een oppervlak van een vel- of plaatvormig materiaal, bijvoorbeeld een folie, en een bewerkt materiaal.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505055A1 (de) * 1985-02-14 1986-08-14 Schröder Trading GmbH, 2000 Hamburg Verfahren zur herstellung linearer fresnellinsen und vorrichtung zur ausuebung des verfahrens
WO1993013929A1 (fr) * 1992-01-15 1993-07-22 Karszes William M Procede pour fabriquer des plastiques lenticulaires et produits ainsi obtenus
WO1996009154A1 (fr) * 1994-09-23 1996-03-28 Karszes William M Procede permettant de fabriquer une feuille en plastique lenticulaire

Also Published As

Publication number Publication date
EP1066152A4 (fr) 2004-08-25
EP1066152A1 (fr) 2001-01-10
WO1999022931A1 (fr) 1999-05-14
AU5245698A (en) 1999-05-24

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued