EP0000712B1 - Method and device for presenting a cassette with an endless web - Google Patents

Method and device for presenting a cassette with an endless web Download PDF

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Publication number
EP0000712B1
EP0000712B1 EP78100437A EP78100437A EP0000712B1 EP 0000712 B1 EP0000712 B1 EP 0000712B1 EP 78100437 A EP78100437 A EP 78100437A EP 78100437 A EP78100437 A EP 78100437A EP 0000712 B1 EP0000712 B1 EP 0000712B1
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EP
European Patent Office
Prior art keywords
film
strip
winding
cassette
film strip
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Expired
Application number
EP78100437A
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German (de)
French (fr)
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EP0000712A1 (en
Inventor
Heinz Johanns
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Agfa Gevaert AG
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Agfa Gevaert AG
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/26—Holders for containing light sensitive material and adapted to be inserted within the camera

Definitions

  • the invention relates to a method and an apparatus for assembling a cassette with an endless roll from a cut film tape.
  • a particularly inexpensive and space-saving arrangement is the continuous film, in which the film tape is transported past the image window for exposure via a channel between the core and the outer winding by a film transport engaging in the perforation.
  • a device is known from US Pat. No. 3,770,551 which winds tape (in particular magnetic tape) from a supply reel onto a reel of a tape cassette.
  • the front end of the tape is gripped by an upper spindle unit and brought into the position corresponding to the cassette by rotation. While the upper spindle head moves upwards by a band, the coil is wound with the band from the inside out. After the winding is complete, the tape is separated from the supply roll. The remaining end of the tape is butted against the front end, held, and both ends are taped to make an endless wrap.
  • the device then ejects the cassette housing with spool and tape.
  • This device which shows progress over the prior art, is also unsuitable for the task of winding an endless band of unexposed film into a cassette.
  • the magnetic tape is wound on a spool from the inside to the outside, so that the individual winding layers lie firmly on one another.
  • Unexposed photographic films, such as Super 8 films, would become severely scarred and unusable in the manufacture and use of the cassette.
  • such a cassette does not allow a tape to move smoothly in both directions.
  • the invention has for its object to find a method and a device for the semi-automatic or fully automatic loading of a cassette with an endless film tape, which allow to produce in a simple, reliable device coilless endless reels with loosely wound film tape, which can be in both directions let it wind back and forth.
  • the film is now wound according to its later position in the cassette, so that additional stresses on the film, such as occur in the winding shaft, are avoided. It was surprising for the person skilled in the art that, after the offset has been initiated, it remains intact during the entire winding process without further external intervention. Due to the multidimensional bending at the deflection point, the film tape is stabilized in such a way that it maintains the direction it was in, which was not to be expected given the film's instability and jumping ability.
  • the circumferential winding chamber also has the advantage that each inserted turn of the centrifugal force is subjected, which largely prevents the notorious swimming of the wrap. At the same time, the rear wall of the winding chamber ensures that the individual turns are properly aligned.
  • the peripheral speed of the winding chamber at the entry point of the film strip into the winding chamber is chosen to be greater than the feed speed of the film strip at this point.
  • a shaping disk mounted on a shaft on the end face is arranged as a winding device behind a guide element, which contains a winding chamber with a channel beginning at the periphery, the inner wall of which corresponds to the course of a cassette channel and the outer wall of which corresponds to a predetermined length ends in front of clamping elements, which correspond in a certain position of the molding disc with an adhesive tape, and a transport arm is arranged movably from the separating knife to the clamping elements and there is an ejector in the molding disc.
  • the structure of the device is clear and therefore, in addition to the high level of operational reliability, it is particularly easy to maintain.
  • a film tape 1 is drawn from a supply reel 2 via a loop puller 3, through a punch 4, around a deflection roller 5, from a toothed drum 6 with pressing jaws 7, and through separating knives 8 to cut the film tape from a shaped disk 9 with one thereon attached winding chamber 11 and channels 12, 13 fed offset with a guide element 10 so that the film finally comes to rest after passing through the winding chamber 11 and channel 12 on the suction holes 14 formed as clamping elements of the molded disk 9 after vacuum is switched on.
  • windings are inserted into the winding chamber 11 from the outside inwards.
  • the now free end of the film tape 1 which is separated by the cutting knife 8 is brought from the toothed drum plane 6 in parallel into the plane of the shaping disk 6 with the aid of a transport arm 16 into abutment with the film beginning, where an endless film wrap is formed by connection with adhesive strips 17 by an adhesive tape mechanism.
  • the finished film is pushed into a cassette (not shown) via an ejector 18.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Konfektionierung einer Kassette mit einem endlosen Wickel aus einem abgelängten Filmband.The invention relates to a method and an apparatus for assembling a cassette with an endless roll from a cut film tape.

Für manche Filmaufnahmen - zum Beispiel Überblendungen - ist es erforderlich, das Filmband in beide Richtungen bewegen zu können. Eine besonders günstige und raumsparende Anordnung ist der Endlosfilm, bei dem das Filmband über einen Kanal zwischen Kern und Außenwindung durch einen in die Perforierung eingreifenden Filmtransport am Bildfenster zum Belichten vorbeitransportiert wird.For some film recordings - for example cross-fades - it is necessary to be able to move the film tape in both directions. A particularly inexpensive and space-saving arrangement is the continuous film, in which the film tape is transported past the image window for exposure via a channel between the core and the outer winding by a film transport engaging in the perforation.

Bisher wurden solche Endlosfilme manuell durch Herausziehen der Enden eines Filmwickels und Verbinden dieser Enden durch einen Klebestreifen hergestellt und dann in eine flach auf dem Tisch liegende Kassette eingefädelt. Eine solche Handhabung ist bei Massenprodukten, wie z.B. beim Super-8-Film, unwirtschaftlich. Sie erfordert bei der Springfreudigkeit des Filmbandes und der engen gewundenen Kanäle viel Geschick, zumal die Beladung der Kassetten im Dunkeln erfolgen muß.So far, such continuous films have been made manually by pulling out the ends of a film wrap and connecting these ends with an adhesive tape, and then threading them into a cassette lying flat on the table. Such handling is for mass products such as with the Super 8 film, uneconomical. It requires a lot of skill with the jumping ability of the film tape and the narrow winding channels, especially since the cassettes must be loaded in the dark.

Aus der US-Patentschrift 3770551 ist eine Vorrichtung bekannt, welche Band (insbesondere Magnetband) von einer Vorratsspule auf eine Spule einer Bandkassette wickelt. Das vordere Ende des Bandes wird von einer oberen Spindeleinheit erfaßt und durch eine Drehung in die der Kassette entsprechende Lage gebracht. Während der obere Spindlekopf um eine Bandbreite nach oben fährt, wird die Spule mit dem Band von innen nach außen bewickelt. Nachdem die Wicklung vollendet ist, wird das Band von der Vorratsrolle getrennt. Das verbleibende Ende des Bandes wird auf Stoß an das vordere Ende gelegt, gehalten und beide Enden mit einem Klebeband zur Herstellung eines Endloswickels verklebt. Die Vorrichtung wirft dann das Kassettengehäuse mit Spule und Band aus.A device is known from US Pat. No. 3,770,551 which winds tape (in particular magnetic tape) from a supply reel onto a reel of a tape cassette. The front end of the tape is gripped by an upper spindle unit and brought into the position corresponding to the cassette by rotation. While the upper spindle head moves upwards by a band, the coil is wound with the band from the inside out. After the winding is complete, the tape is separated from the supply roll. The remaining end of the tape is butted against the front end, held, and both ends are taped to make an endless wrap. The device then ejects the cassette housing with spool and tape.

Auch diese, einen Fortschritt gegenüber dem Stand der Technik zeigende Vorrichtung ist für die Aufgabe, ein endloses Band unbelichteten Films in eine Kassette zu wickeln, nicht geeignet. Das Magnetband wird in dieser Vorrichtung auf eine Spule von innen nach außen gewickelt, so daß die einzelnen Wickellagen fest aufeinander liegen. Unbelichtete photographische Filme, wie zum Beispiel Super-8-Filme, würden bei der Herstellung und dem Gebrauch der Kassette stark verschrammen und unbrauchbar werden. Außerdem läßt eine derartige Kassette nicht zu, ein Band störungsfrei in beide Richtungen zu bewegen.This device, which shows progress over the prior art, is also unsuitable for the task of winding an endless band of unexposed film into a cassette. In this device, the magnetic tape is wound on a spool from the inside to the outside, so that the individual winding layers lie firmly on one another. Unexposed photographic films, such as Super 8 films, would become severely scarred and unusable in the manufacture and use of the cassette. In addition, such a cassette does not allow a tape to move smoothly in both directions.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung zur halb- oder vollautomatischen Beladung einer Kassette mit einem endlosen Filmband zu finden, welche es gestatten, in einer einfachen, betriebssicheren Vorrichtung spulenlose Endloswickel mit lose gewickeltem Filmband herzustellen, die sich in beide Richtungen hin- und herspulen lassen.The invention has for its object to find a method and a device for the semi-automatic or fully automatic loading of a cassette with an endless film tape, which allow to produce in a simple, reliable device coilless endless reels with loosely wound film tape, which can be in both directions let it wind back and forth.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß

  • a) das zugeführte Filmband nach Ablenkung auf eine um eine Filmbreite versetzte feststehende Bahn, welche dem Verlauf der Filmführung von der aüßeren Windung eines Wickels zum Bildfenster einer Endloskassette entspricht, zur Fixierung am Ende der Bahn geleitet wird;
  • b) weiteres Filmband unter Beibehaltung der Ablenkung zugeführt wird und in eine mit der Bahn verbundene, in ihrer Ebene drehende Wickelkammer, welche der Aufnahme des Wickels in einer Endloskassette entspricht, zu einem Wickel von außen nach innen gewickelt wird;
  • c) das nach Beendigung des Wickelvorganges angehaltene Filmband abgeschnitten und mit seinem freien Wickelende unter gleichzeitigem Versatz um eine Filmbreite entlang einer Bahn geführt wird, die der Filmführung von der inneren Windung des Wickels zum Bildfenster einer Endloskassette entspricht und auf Stoß vor das vordere Ende des Bandes gelegt und fixiert wird;
  • d) der endlose Wickel in bekannter Weise durch Überkleben des vorderen und hinteren Endes des Bandes mit einem Klebestreifen gebildet wird;
  • e) dann der Wickel mit dem endlosen Band durch einen Auswerfer in die parallel angeordnete geöffnete Filmkassette geschoben wird. Die mit der Erfindung erzielten Vorteile
This object is achieved in that
  • a) the deflected film tape, after deflection, is guided onto a fixed web offset by a film width, which corresponds to the course of the film guide from the outer turn of a reel to the picture window of an endless cassette, for fixing at the end of the web;
  • b) further film tape is fed while maintaining the deflection and is wound into a winding connected to the web and rotating in its plane, which corresponds to the reception of the winding in an endless cassette, to form a winding from the outside inwards;
  • c) the film tape stopped after the winding process has been cut off and is guided with its free winding end with a simultaneous offset by a film width along a path which corresponds to the film guide from the inner winding of the roll to the image window of an endless cassette and butt in front of the front end of the tape is placed and fixed;
  • d) the endless wrap is formed in a known manner by pasting the front and rear ends of the tape with an adhesive strip;
  • e) then the winding with the endless belt is pushed by an ejector into the parallel opened film cassette. The advantages achieved with the invention

bestehen insbesondere darin, daß nunmehr der Film entsprechend seiner späteren Lage in der Kassette gewickelt wird, so daß zusätzliche Beanspruchungen des Films, wie sie bei der Wickelwelle auftreten, vermieden werden. Für den Fachmann war es dabei überraschend, daß nach der Einleitung des Versatzes dieser während des gesamten Wickelvorgangs ohne weitere Eingriffe von außen erhalten bleibt. Durch die mehrdimensionale Beigung an der Umlenkstelle wird das Filmband nämlich in der Form so stabilisiert, daß es die einmal eingeschlagene Richtung beibehält, was bei der Labilität und der Springfreudigkeit des Films nicht zu erwarten war. Weiter bietet die umlaufende Wickelkammer den Vorteil, daß jede eingelegte Windung der Zentrifugalkraft unterworfen ist, die das berüchtigte Schwimmen des Wickels weitgehend verhindert. Gleichzeitig sorgt die Rückwand der Wickelkammer für eine saubere Ausrichtung der einzelnen Windungen.consist in particular in that the film is now wound according to its later position in the cassette, so that additional stresses on the film, such as occur in the winding shaft, are avoided. It was surprising for the person skilled in the art that, after the offset has been initiated, it remains intact during the entire winding process without further external intervention. Due to the multidimensional bending at the deflection point, the film tape is stabilized in such a way that it maintains the direction it was in, which was not to be expected given the film's instability and jumping ability. The circumferential winding chamber also has the advantage that each inserted turn of the centrifugal force is subjected, which largely prevents the notorious swimming of the wrap. At the same time, the rear wall of the winding chamber ensures that the individual turns are properly aligned.

In einer besonderen Durchführungsart der Verfahren wird die Umfangsgeschwindigkeit der Wickelkammer an der Einlaufstelle des Filmbandes in die Wickelkammer größer gewählt als die Zuführgeschwindigkeit des Filmbandes an dieser Stelle.In a special embodiment of the method, the peripheral speed of the winding chamber at the entry point of the film strip into the winding chamber is chosen to be greater than the feed speed of the film strip at this point.

Infolge der besonderen Wickelart von außen nach innen in eine Wickelkammer ist es möglich, durch eine relativ geringere Zuführgeschwindigkeit zur Einlegegeschwindigkeit lockere Wickel sogar mit im Laufe der Wicklung veränderlicher Auflockerung herzustellen. Damit ist eine wichtige Voraussetzung für den späteren Transport von Endlosfilmen erfüllt, denn diese Eigenschaft bleibt auch nach dem Einschieben des Endlosfilmwickels in die Kassette erhalten. Durch diese besondere Möglichkeit des losen Wickelns von Bändern in Endloskassetten ist es möglich, das Band ohne Störungen in beide Richtungen - z.B. bei Überblendungen - hin- und herzuspulen.As a result of the special type of winding from the outside inwards into a winding chamber, it is possible to produce loose windings with a loosening which is variable during the winding by a relatively lower feed speed to the insertion speed. This fulfills an important prerequisite for the later transport of continuous films, because this property is retained even after the continuous film reel has been inserted into the cassette. This special possibility of loosely winding tapes in endless cassettes enables the tape to be wound in both directions without interference - e.g. for cross-fades - rewind and rewind.

In einer Vorrichtung zur Durchführung des Verfahrens ist als Wickelvorrichtung hinter einem Leitelement eine auf einer Welle stirnseits gelagerte Formscheibe angeordnet, die eine Wickelkammer mit einem an der Peripherie beginnenden Kanal enthält, dessen innere Wandung dem Verlauf eines Kassettenkanals entspricht und dessen äußere Wandung nach einer vorgegebenen Länge vor Klemmelementen endet, die in einer bestimmten Lage der Formscheibe mit einem Klebebandwerk korrespondieren, und es ist ein Tranportarm bewegbar von dem Trennmesser zu den Klemmelementen angeordnet und es befindet sich ein Auswerfer in der Formscheibe.In a device for carrying out the method, a shaping disk mounted on a shaft on the end face is arranged as a winding device behind a guide element, which contains a winding chamber with a channel beginning at the periphery, the inner wall of which corresponds to the course of a cassette channel and the outer wall of which corresponds to a predetermined length ends in front of clamping elements, which correspond in a certain position of the molding disc with an adhesive tape, and a transport arm is arranged movably from the separating knife to the clamping elements and there is an ejector in the molding disc.

Die Vorrichtung ist übersichtlich im Aufbau und deshalb neben der hohen Betriebssicherheit besonders wartungsfreundlich.The structure of the device is clear and therefore, in addition to the high level of operational reliability, it is particularly easy to maintain.

Es kann auch direkt in eine Kasette gewickelt werden. Hierdurch wird das Filmband schonender behandelt, da der Arbeitsgang des Schiebens des fertigen Films in die Kassette mittels des Auswerfers entfällt. Außerdem wird ein Arbeitsgang gespart.It can also be wrapped directly in a cassette. As a result, the film tape is treated more gently, since the process of pushing the finished film into the cassette by means of the ejector is eliminated. One operation is also saved.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown in the drawings and will be described in more detail below.

Es zeigen:Show it:

  • Figur 1 Ansicht einer WickelstationFigure 1 view of a winding station
  • Figur 2 Draufsicht auf eine FilmbandablenkungFigure 2 top view of a film deflection

In Fig. 1 und Fig. 2 wird ein Filmband 1 von einer Vorratsspule 2 über einen Schleifenzieher 3 durch eine Stanze 4 um eine Umlenkrolle 5 von einer Zahntrommel 6 mit Andrückbacken 7 gezogen und durch Trennmesser 8 zum Ablängen des Filmbandes einer Formscheibe 9 mit einer darauf angebrachten Wickelkammer 11 und Kanälen 12, 13 unter Versatz über ein Leitelement 10 so zugeführ, daß der Filmanfang schließlich nach Durchlaufen von Wickelkammer 11 und Kanal 12 auf den als Klemmelemente ausgebildeten Saugbohrungen 14 der Formscheibe 9 nach Einschaltung von Vakuum fest zu liegen kommt. Durch Drehung der Formscheibe 9 um Welle 15 bei gleichzeitiger Zuführung des Filmbandes 1 durch die Zahntrommel 6 werden in die Wickelkammer 11 Windungen von außen nach innen eingelegt. Nach Beendigung des Wickelvorganges wird das durch Trennmesser 8 abgetrennte nunmehr freie Ende des Filmbandes 1 mit Hilfe eines Transportarmes 16 von der Zahntrommelebene 6 parallel in die Formscheibenebene auf Stoß zu dem Filmanfang gebracht, wo durch Verbinden mit Klebestreifen durch ein Klebebandwerk 17 ein endloser Filmwickel entsteht.In Fig. 1 and Fig. 2, a film tape 1 is drawn from a supply reel 2 via a loop puller 3, through a punch 4, around a deflection roller 5, from a toothed drum 6 with pressing jaws 7, and through separating knives 8 to cut the film tape from a shaped disk 9 with one thereon attached winding chamber 11 and channels 12, 13 fed offset with a guide element 10 so that the film finally comes to rest after passing through the winding chamber 11 and channel 12 on the suction holes 14 formed as clamping elements of the molded disk 9 after vacuum is switched on. By rotating the shaped disk 9 about shaft 15 while simultaneously feeding the film tape 1 through the toothed drum 6, windings are inserted into the winding chamber 11 from the outside inwards. After completion of the winding process, the now free end of the film tape 1, which is separated by the cutting knife 8, is brought from the toothed drum plane 6 in parallel into the plane of the shaping disk 6 with the aid of a transport arm 16 into abutment with the film beginning, where an endless film wrap is formed by connection with adhesive strips 17 by an adhesive tape mechanism.

Der fertige Film wird über einen Auswerfer 18 in eine Kassette (nicht dargestellt) geschoben.The finished film is pushed into a cassette (not shown) via an ejector 18.

Claims (4)

1. A method for loading a cassette with an endless roll from a cut length of film strip, in which the front end of the film strip is fixed, an adhesive surface being kept free for an adhesive tape, and after completion of the winding process the latter end of the film strip is led towards the front end and is stuck edge to edge to this front end by means of an adhesive strip, characterised in that
a) one end of film strip is supplied and led, after deflectirm, into a stationary track, which is offset from the supply plane by a film width and corresponds to the path of the film guide passage of an endless cassette from the outer winding of a roll to its film gate, in order to be fixed at the end of the track,
b) with the deflection maintained, a further portion of the film strip is supplied and is wound onto a roll, from the outside to the inside, in a rotating winding chamber which is joined to the track and rotates in the same plane, which chamber corresponds to the film take-up in an endless cassette;
c) the film strip comes to a standstill upon completion of the winding process and is cut off and the free end is simultaneously displaced by a film width along a contour corresponding to the film guide passage of an endless cassette, from the inner winding of the roll to its film gate and is placed edge to edge in front of the front end of the film strip and fixed,
d) the endless roll is formed, in a known manner, by sticking an adhesive strip over the front and latter end of the film strip,
e) the roll with the endless film strip is pushed by means of an ejector into the parallel open film cassette.
2. A method according to claim 1, characterised in that the circumferential speed of the winding chamber at the point where the film strip runs into the winding chamber is chosen so that it is greater than the feed rate of the fiim strip at this point.
3. An apparatus for carrying out the method according to claim 1, consisting of a supply roll for the film strip, a loop-forming means for the tension compensation of the film strip, a sprocket wheel for forwarding the film strip, pressure pads for stopping and holding the strip, severing blades for cutting the film strip, a winding apparatus as well as clamping elements and a device for holding and sticking the front end of the strip edge to edge to the latter end of the strip with the aid of an adhesive strip, characterised in that a shaped part (9), located at the end of a shaft (15) is arranged behind a guide element (10) as a winding apparatus, this part containing a winding chamber (11) with a passage (12) beginning at the periphery, whose inner wall (13) corresponds to the path of a cassette passage and whose outer wall ends after a predetermined length in front of clamping elements (14) which correspond to an adhesive tape mechanism at a specific position of the shaped part (9), and a transporting arm (16) is arranged to move from the severing blades (8) to the clamping elements (14) and an ejector (18) is located in the shaped part (9).
EP78100437A 1977-07-26 1978-07-19 Method and device for presenting a cassette with an endless web Expired EP0000712B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2733585 1977-07-26
DE19772733585 DE2733585A1 (en) 1977-07-26 1977-07-26 METHOD AND DEVICE FOR ASSEMBLING A CASSETTE WITH AN ENDLESS WRAP

Publications (2)

Publication Number Publication Date
EP0000712A1 EP0000712A1 (en) 1979-02-21
EP0000712B1 true EP0000712B1 (en) 1980-06-25

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Application Number Title Priority Date Filing Date
EP78100437A Expired EP0000712B1 (en) 1977-07-26 1978-07-19 Method and device for presenting a cassette with an endless web

Country Status (5)

Country Link
US (1) US4179079A (en)
EP (1) EP0000712B1 (en)
JP (1) JPS5424626A (en)
DE (2) DE2733585A1 (en)
IT (1) IT7850437A0 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5482706A (en) * 1992-04-17 1996-01-09 Takeda Chemical Industries, Ltd. Transmucosal therapeutic composition
US5423495A (en) * 1993-12-21 1995-06-13 Eastman Kodak Company Apparatus for winding selectable lengths of web
EP2753644A1 (en) 2011-09-09 2014-07-16 Universiteit Utrecht Holding B.V. Broadly neutralizing vhh against hiv-1
CN108854854B (en) * 2017-05-16 2021-07-20 厦门大学 Functional fluid door control system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2205052A (en) * 1935-02-23 1940-06-18 Leitz Ernst Gmbh Device for loading film casettes
US2239188A (en) * 1939-02-09 1941-04-22 Walter W Boes Film cartridge loader
CH486048A (en) * 1968-04-27 1970-02-15 Agfa Gevaert Ag Method and apparatus for winding photographic film tape onto a spool disposed within a cassette
US3770551A (en) * 1969-08-01 1973-11-06 Gen Mills Inc Splicer tape assembly for use in tape winding machines
US3768748A (en) * 1971-10-01 1973-10-30 I Pfefer Bulk film loader
US3980246A (en) * 1975-02-26 1976-09-14 Deletzke Jr Norman E H Automatic tape winding system
DE2632767A1 (en) * 1976-07-21 1978-01-26 Agfa Gevaert Ag ASSEMBLING A CASSETTE WITH ENDLESS TAPE WRAP

Also Published As

Publication number Publication date
DE2860029D1 (en) 1980-10-30
EP0000712A1 (en) 1979-02-21
US4179079A (en) 1979-12-18
DE2733585A1 (en) 1979-02-08
JPS5424626A (en) 1979-02-24
IT7850437A0 (en) 1978-07-24

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