DK137599B - Mono- eller biaksialt strakt polyesterfolielaminat, især til brug som bærer for magnetiske registreringsbånd, videobånd og/eller filmstrimler. - Google Patents

Mono- eller biaksialt strakt polyesterfolielaminat, især til brug som bærer for magnetiske registreringsbånd, videobånd og/eller filmstrimler.

Info

Publication number: DK137599B
Authority: DK; Denmark
Prior art keywords: tapes; mono; carrier; magnetic recording; biaxially stretched
Prior art date: 1972-02-16

Application number

DK81573A

Other languages

Danish (da)

English (en)

Other versions

DK137599C (fr

Inventor

Robert Riboulet

Eugene Charvet

Original Assignee

Cellophane Sa

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.)

1972-02-16

Filing date

1973-02-15

Publication date

1978-04-03

1973-02-15 Application filed by Cellophane Sa filed Critical Cellophane Sa

1978-04-03 Publication of DK137599B publication Critical patent/DK137599B/da

1978-09-18 Application granted granted Critical

1978-09-18 Publication of DK137599C publication Critical patent/DK137599C/da

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
- B29C48/16—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
- 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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- 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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
- 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
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/244—All polymers belonging to those covered by group B32B27/36
- 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
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/516—Oriented mono-axially
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/518—Oriented bi-axially
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/746—Slipping, anti-blocking, low friction
- 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
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/91—Product with molecular orientation
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/918—Material abnormally transparent
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31—Surface property or characteristic of web, sheet or block
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Laminated Bodies (AREA)
Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Compositions Of Macromolecular Compounds (AREA)
Magnetic Record Carriers (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)

DK81573A 1972-02-16 1973-02-15 Mono- eller biaksialt strakt polyesterfolielaminat, især til brug som bærer for magnetiske registreringsbånd, videobånd og/eller filmstrimler. DK137599B (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7205115A FR2177471B1 (fr)	1972-02-16	1972-02-16

Publications (2)

Publication Number	Publication Date
DK137599B true DK137599B (da)	1978-04-03
DK137599C DK137599C (fr)	1978-09-18

Family

ID=9093559

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK81573A DK137599B (da)	1972-02-16	1973-02-15	Mono- eller biaksialt strakt polyesterfolielaminat, især til brug som bærer for magnetiske registreringsbånd, videobånd og/eller filmstrimler.

Country Status (13)

Country	Link
US (1)	US3900653A (fr)
JP (1)	JPS5127475B2 (fr)
BE (1)	BE795478A (fr)
CA (1)	CA1018317A (fr)
CH (1)	CH568839A5 (fr)
DE (1)	DE2302963C3 (fr)
DK (1)	DK137599B (fr)
FR (1)	FR2177471B1 (fr)
GB (1)	GB1397653A (fr)
IT (1)	IT977329B (fr)
LU (1)	LU67036A1 (fr)
NL (1)	NL161087C (fr)
SE (1)	SE412185B (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1453998A (en) *	1973-05-11	1976-10-27	Teijin Ltd	Polyester magnetic tape
US4198458A (en) *	1973-05-11	1980-04-15	Teijin Limited	Laminate polyester films
US4041206A (en) *	1974-03-03	1977-08-09	Toray Industries, Inc.	Laminated polyester film
JPS578648B2 (fr) *	1974-05-17	1982-02-17
US4011358A (en) *	1974-07-23	1977-03-08	Minnesota Mining And Manufacturing Company	Article having a coextruded polyester support film
US4095760A (en) *	1975-10-10	1978-06-20	James A. Black	Structural skin construction materials and method
JPS53129264A (en) *	1977-04-19	1978-11-11	Honshu Paper Co Ltd	Production of stretched polypropylene film with rough surface
JPS5522239A (en) *	1978-08-02	1980-02-16	Fuji Photo Film Co Ltd	Leader or trailer tape
DE7832840U1 (de) *	1978-11-04	1979-03-29	Hoechst Ag	Faelschungssichere Folie
DE3126979A1 (de) *	1980-01-09	1982-09-30	Roland Dipl.-Kfm. 7022 Leinfelden-Echterdingen Belz	Verbundfolie
DE3000516A1 (de) *	1980-01-09	1981-07-16	Roland Dipl.-Kfm. 7022 Leinfelden-Echterdingen Belz	Verbundfolie, insbesondere toilettensitzauflage, sowie verfahren und vorrichtung zu ihrer herstellung
DE3162562D1 (en) *	1980-03-12	1984-04-19	Ici Plc	Polyester film composites
JPS58148795A (ja) *	1982-03-02	1983-09-03	Sony Corp	昇華転写式カラ−ハ−ドコピ−用印画紙
EP0122296B1 (fr) *	1982-10-25	1988-03-09	Sony Corporation	Pellicule de couverture pour copie sur papier a procede de transfert par sublimation
DE3248670A1 (de) *	1982-12-30	1984-07-05	Hoechst Ag, 6230 Frankfurt	Polyestermehrschichtfolie mit thermoplastisch praegbarer innenschicht
JPS59195322A (ja) *	1983-04-20	1984-11-06	Toray Ind Inc	磁気デイスク
FR2548958B1 (fr) *	1983-07-13	1986-03-21	Rhone Poulenc Films	Films polyesters composites
US4546036A (en) *	1983-12-22	1985-10-08	Minnesota Mining And Manufacturing Company	Magnetic recording medium having opaque polyester film base
FR2580226B1 (fr) *	1985-04-15	1987-08-14	Rhone Poulenc Films	Films polyesters, composites, etires utilisables notamment pour arts graphiques. procede d'obtention de tels films
GB2189772B (en) *	1986-04-28	1989-12-13	Tetra Pak Int	A liquid pack and method of manufacture thereof
JPH0399847A (ja) *	1989-09-14	1991-04-25	Toray Ind Inc	二軸配向熱可塑性樹脂フイルム
EP0447555B1 (fr) *	1989-09-27	1998-01-28	Toray Industries, Inc.	Film polyester composite
GB9324989D0 (en) *	1992-12-23	1994-01-26	Ici Plc	Polymeric film
EP0604057A1 (fr) *	1992-12-23	1994-06-29	Imperial Chemical Industries Plc	Film polymère
US5759467A (en) *	1996-03-08	1998-06-02	Minnesota Mining And Manufacturing Company	Method for making multilayer polyester film
DE102004032596A1 (de) *	2004-07-06	2006-02-16	Mitsubishi Polyester Film Gmbh	Mehrschichtige, matte, thermoformbare, IR-reflektierende Polyesterfolie
DE102004032595A1 (de) *	2004-07-06	2006-02-16	Mitsubishi Polyester Film Gmbh	Matte, thermoformbare, IR-reflektierende Polyesterfolie
US20120310186A1 (en) *	2011-06-06	2012-12-06	Tyco Healthcare Group Lp	Dressings and Related Methods Therefor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3322614A (en) *	1963-03-21	1967-05-30	Mayer & Co Inc O	Laminated packaging material and method of forming same
US3423281A (en) *	1964-03-10	1969-01-21	Goodyear Tire & Rubber	Copolyesters of mixed phthalic acids,aliphatic dicarboxylic acids and tetramethylene glycol
US3515626A (en) *	1965-02-22	1970-06-02	Ici Ltd	Thermoplastic laminates having improved surface properties
US3574048A (en) *	1967-06-07	1971-04-06	Schjeldahl Co G T	Adhesive for system copper-polyethylene terephthalate laminates
JPS4640794B1 (fr) *	1968-03-26	1971-12-02
US3627625A (en) *	1970-05-27	1971-12-14	Ici Ltd	Biaxially oriented sheet
US3836620A (en) *	1971-02-26	1974-09-17	Allied Chem	Method of forming polyamide-polyethylene composite films
US3790653A (en) *	1971-12-29	1974-02-05	Eastman Kodak Co	Polyester film base having uniform high optical density

0
- BE BE795478D patent/BE795478A/fr not_active IP Right Cessation
1972
- 1972-02-16 FR FR7205115A patent/FR2177471B1/fr not_active Expired
1973
- 1973-01-22 DE DE2302963A patent/DE2302963C3/de not_active Expired
- 1973-02-13 US US05332183 patent/US3900653A/en not_active Expired - Lifetime
- 1973-02-14 IT IT4823073A patent/IT977329B/it active
- 1973-02-14 JP JP1822173A patent/JPS5127475B2/ja not_active Expired
- 1973-02-15 GB GB758673A patent/GB1397653A/en not_active Expired
- 1973-02-15 SE SE7302146A patent/SE412185B/sv unknown
- 1973-02-15 DK DK81573A patent/DK137599B/da not_active IP Right Cessation
- 1973-02-15 CH CH221873A patent/CH568839A5/xx not_active IP Right Cessation
- 1973-02-15 NL NL7302149A patent/NL161087C/xx not_active IP Right Cessation
- 1973-02-15 LU LU67036A patent/LU67036A1/xx unknown
- 1973-02-15 CA CA163,796A patent/CA1018317A/fr not_active Expired

Also Published As

Publication number	Publication date
GB1397653A (en)	1975-06-18
JPS5127475B2 (fr)	1976-08-12
DE2302963C3 (de)	1979-10-31
FR2177471A1 (fr)	1973-11-09
DE2302963A1 (de)	1973-08-23
CH568839A5 (fr)	1975-11-14
CA1018317A (fr)	1977-10-04
FR2177471B1 (fr)	1975-03-21
IT977329B (it)	1974-09-10
NL7302149A (fr)	1973-08-20
SE412185B (sv)	1980-02-25
BE795478A (fr)	1973-08-16
US3900653A (en)	1975-08-19
LU67036A1 (fr)	1973-04-19
NL161087B (nl)	1979-08-15
JPS48103684A (fr)	1973-12-26
NL161087C (nl)	1980-01-15
DK137599C (fr)	1978-09-18
DE2302963B2 (de)	1979-03-08

Publication	Publication Date	Title
DK137599B (da)	1978-04-03	Mono- eller biaksialt strakt polyesterfolielaminat, især til brug som bærer for magnetiske registreringsbånd, videobånd og/eller filmstrimler.
IT950888B (it)	1973-06-20	Pellicola di polimero termoplasti co orientato e laminati che la contengono
NL169408C (nl)	1982-07-16	Opberginrichting omvattend een gestel met vakken voor het opnemen van schuifladen, in het bijzonder voor het opbergen van geluids- en beeldbandcassettes.
NL162228B (nl)	1979-11-15	Cassette met een daarin roteerbaar in zijn vlak opge- sloten magnetische registratieschijf.
CA1007783A (en)	1977-03-29	Biaxially oriented polyethylene-2,6-naphthalate film containing another polyester resin and process for its production
AT350293B (de)	1979-05-25	Aufzeichnungstraeger mit ton-und/oder bildinformation
NL7507604A (nl)	1976-01-19	Biaxiaal georienteerde polyethyleentereftalaatfilm.
NL168073B (nl)	1981-09-16	Bandcassette met een scharnierbaar deksel.
NL180792C (nl)	1987-04-16	Magneetbandcassette, in het bijzonder compactcassette.
ES199695Y (es)	1976-02-16	Cinta de soporte para cierres de cremallera.
DK134299B (da)	1976-10-11	Mappe eller album til opbevaring af magnetbåndskassetter anbragt i arkivæsker.
CA935019A (en)	1973-10-09	Subbing layers in film recording materials
CA988339A (en)	1976-05-04	Motion picture film system with multi-purpose film cassette
DK132296B (da)	1975-11-17	Optagelses- og/eller gengivelsesapparat for en fleksibel optagelsesbærerfolie.
CA1001757A (en)	1976-12-14	Magnetic tape recording deck, drive system, and cassette
BR7303504D0 (pt)	1974-07-25	Laminado flexivel e bolsa
CA949715A (en)	1974-06-25	Biaxially-oriented polyethylene-2,6-naphthalate film and process for making the same
CA944856A (en)	1974-04-02	Multiple cassette tape duplicator with single tape transport
AT339075B (de)	1977-09-26	Datenspeichereinrichtung mit magnetbandkassetten
CA1021888A (en)	1977-11-29	Non-sticking anchoring layers for polyester film
GB1364810A (en)	1974-08-29	Films and film casettes
CH548652A (de)	1974-04-30	Laufwerk fuer ein magnetbandgeraet, insbesondere fuer ein magnetbandgeraet fuer lehrzwecke.
ES198717Y (es)	1975-11-16	Recipiente para cassettes de cintas magneticas.
AT294582B (de)	1971-11-25	Filmbandgerät, insbesondere Filmprojektor
BE778434A (fr)	1972-05-16	Perfectionnement aux cassettes de bande magnetique.

Legal Events

Date	Code	Title	Description
1993-03-29	PUP	Patent expired