EP0218978B1 - Vorrichtung zum Transportieren von bandförmigem Material, insbesondere Fotopapier, durch eine Behandlungsmaschine - Google Patents

Vorrichtung zum Transportieren von bandförmigem Material, insbesondere Fotopapier, durch eine Behandlungsmaschine Download PDF

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Publication number
EP0218978B1
EP0218978B1 EP86113391A EP86113391A EP0218978B1 EP 0218978 B1 EP0218978 B1 EP 0218978B1 EP 86113391 A EP86113391 A EP 86113391A EP 86113391 A EP86113391 A EP 86113391A EP 0218978 B1 EP0218978 B1 EP 0218978B1
Authority
EP
European Patent Office
Prior art keywords
width
clip
carrier tape
cutout
tape
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
EP86113391A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0218978A1 (de
Inventor
Ernst Schweiger
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of EP0218978A1 publication Critical patent/EP0218978A1/de
Application granted granted Critical
Publication of EP0218978B1 publication Critical patent/EP0218978B1/de
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D3/00—Liquid processing apparatus involving immersion; Washing apparatus involving immersion
    • G03D3/08—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material
    • G03D3/13—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material for long films or prints in the shape of strips, e.g. fed by roller assembly
    • G03D3/135—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material for long films or prints in the shape of strips, e.g. fed by roller assembly fed between chains or belts, or with a leading strip

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • Such a transport device is e.g. known from DE-AS 1 154 040.
  • a clip is described in which on a fastening part made of resilient metal both the metal-shaped arm is fastened with a hook encompassing the side of the drag belt facing away from the arm and two further hooks encompassing the edge of the drag tape facing the arm.
  • the attachment of these hooks, which are bent from metal, to the resilient sheet metal part is carried out by spot welding, so that the clamp is very expensive to produce due to the large number of parts to be connected.
  • the holding force of the clip on the drag belt is determined depending on the width of the channel formed by the hooks for the drag belt and the elastic transverse deflection of the drag belt which is thereby forced, so that the rigidity of the drag belt is decisive for the drag force.
  • this must not be too great because of the deflection via the belt rollers and the flexibility required for attaching the clips to the drag belt.
  • the object of the invention is therefore to provide a clamp which can be produced more cost-effectively and which allows the transmission of higher towing forces from the towing band. This object is achieved by the invention described in claim 1.
  • the clip according to the invention is undoubtedly very inexpensive to manufacture, since it e.g. can be punched out of sheet metal or plastic sheets of a suitable material with a comparatively simple tool or injection molded from plastic. A one-piece production of the clip is also easily possible.
  • the attachment to the drag band by immersing the drag band in the recess in the clamp ensures that the power transmission between the drag band and the clamp takes place not only on the side edges of the drag belt, but also on the front and rear of the belt.
  • Fig. 1, 2 is a drag band, which is made of a plastic resistant to the chemicals used in the treatment of photographic layers, e.g. Polyethylene, is made and is reproduced in natural size.
  • This drag belt has a thickness of approximately 0.8 mm and is so flexible that it can be deflected around the deflection rollers with a diameter of approximately 50 mm by 180 ° without difficulty.
  • the arrow 2a indicated on the drag belt 2 shows the direction in which this drag belt for guiding a photographic layer carrier tape 3 moves through the processing machine.
  • the path of the photographic material strip 3 runs parallel to its path at a distance of approximately half the width of the drag belt, deflection rollers also being provided at the deflection points in the device, via which the material strip 3 is guided through a clamp 1.
  • these deflecting rollers are expediently driven approximately in the manner of the German patent specification 26 03 659.
  • the clamp 1 consists of a holding part lying in the area of the drag belt and an arm 1a for fastening the material band 3.
  • a slot or two mutually parallel slots 1b are provided for fastening the material band 3, the length of which is greater than the width of the material strip 3 and its width is significantly larger than the thickness of the material strip 3.
  • the slots are rounded at their ends to avoid the creation of notch stresses.
  • the beginning of the material band is passed from the top through the plane of the drawing down through the upper slot, then on the back of the clip against the arrow 2a down and through the lower slot through the plane of the drawing up again that after this loop by the clamp arm 1, the back of the beginning of the tape rests against the back of the remaining tape. Frictional forces supported by the belt tension thus hold the material belt 3 with sufficient security in the clamp arm 1 a.
  • the bracket 1 with its arm 1 a is a flat structure which is delimited by two mutually parallel surfaces.
  • the bracket 1 with its arm 1 a is a flat structure which is delimited by two mutually parallel surfaces.
  • it can also be injection molded from a plastic as a molded part.
  • Polycarbonate, polypropylene or polyamide are particularly suitable as the material for the molded part.
  • the thickness and / or width of the material around the recess are dimensioned such that the clamp can only be deformed to an insignificant extent by the forces transmitted by the drag belt.
  • the bracket 1 contains in this area an almost square recess 1 c, which is approximately the same in width and length of the tow band 2 matches.
  • the width of the recess is slight, for example by two percent of the width of the drag belt 2, less than the drag belt width.
  • the recess 1 c protrude transversely to the longitudinal direction of the drag band 2 in the attached position, the trailing band edges overlapping projections 1 d.
  • the projections have the shape of isosceles triangles, the base of which runs parallel to the direction of the tow band and the height of which is between one tenth and one fourth of the width of the tow band, in the exemplary embodiment shown one fifth of the width of the tow band.
  • the base of these triangular projections 1 d does not extend over the entire length of the recess 1 c, but only approximately symmetrically over four fifths of this length.
  • a recessed grip 1f is provided on the edge of the clip facing away from the arm 1a.
  • the clip Since the clip is symmetrical, it can be attached to the drag belt 2 by cantilevering to the right and to the left.
  • the attachment of a clip 1 to the drag belt is carried out on a straight running path of the drag belt 2 z. 1 with the material band 3 fastened to the arm in the running direction to the right of the trailing belt in such a way that the clip is brought up to the left edge in the running direction, the bulge of the trailing band being first produced by the operator with the second hand and from behind through the left part of the recess 1 c is inserted so that the left edge of the drag band covers the left projection 1 d.
  • the shape of the drag belt 2 results in the area of the recess 1 c as a two-dimensionally curved surface which has a high dimensional stability.
  • This dimensional stability leads to the fact that the drag band is pressed with high force both on the side edges of the recess 1 c and on the upper side of the projections 1 d and on the transverse edges of the recess 1 c below, and thus high frictional forces from the clamp onto the drag belt can be transferred.
  • the surface pressure is limited, so that damage or abrasion of the drag belt is almost impossible or at least considerably reduced compared to metal clips.
  • only one of the two projections 1d namely that on the side of the arm 1a, has the shape of a triangle with a base along the longitudinal edges of the recess 1c, while the projection remote from the arm 1a has the shape of a rectangle with very rounded corners.
  • the length of these projections in the running direction makes up about three fifths of the length of the recess 1c, so that there is sufficient space for the side edges of the drag band 2 to rest against the side edges of the recess 1c.
  • the rectangular projection 1g extends almost over half the width of the recess 1c.
  • the protrusion 1 is bent with the drag band by bending the webs framing the recess 1 h of the clamp and transverse curvature of the drag band and the arm-side edge of the drag band is brought into contact with the arm-side protrusion 1 d until a slight pressure is exerted by a finger the other right hand this edge can be lifted over the arm-side projection 1d.
  • the tasks of the right and left hand are interchanged to attach the bracket with arm 1 a to the left.
  • the clip 1 is ejected from the drag belt 2 after the passage through the treatment machine has been completed in a known manner either by inserting a wedge between the drag belt and the leading edge of the clip 1 approximately along the center line of the drag belt or by strongly compressing the edges of the drag belt with simultaneous lifting movement.
  • the projections can of course also have trapezoidal or other similar shapes which allow the drag band edges to be inserted into the recess 1c.
  • the length of the recess 1 c in the running direction can also be somewhat larger or smaller than the drag band width. If the length is too long, however, the relatively stiff clamp interferes with the deflection around the drag belt rollers, while the too small length, with the same drag force, causes excessive pressure on the belt edges.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Advancing Webs (AREA)
  • Clamps And Clips (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
EP86113391A 1985-10-08 1986-09-29 Vorrichtung zum Transportieren von bandförmigem Material, insbesondere Fotopapier, durch eine Behandlungsmaschine Expired EP0218978B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853535852 DE3535852A1 (de) 1985-10-08 1985-10-08 Vorrichtung zum transportieren von bandfoermigem material, insbesondere fotopapier, durch eine behandlungsmaschine
DE3535852 1985-10-08

Publications (2)

Publication Number Publication Date
EP0218978A1 EP0218978A1 (de) 1987-04-22
EP0218978B1 true EP0218978B1 (de) 1989-09-06

Family

ID=6283035

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86113391A Expired EP0218978B1 (de) 1985-10-08 1986-09-29 Vorrichtung zum Transportieren von bandförmigem Material, insbesondere Fotopapier, durch eine Behandlungsmaschine

Country Status (4)

Country Link
US (1) US4773580A (enrdf_load_stackoverflow)
EP (1) EP0218978B1 (enrdf_load_stackoverflow)
JP (1) JPS6291954A (enrdf_load_stackoverflow)
DE (1) DE3535852A1 (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709412A1 (de) * 1987-03-21 1988-09-29 Agfa Gevaert Ag Verfahren und vorrichtung zum anbringen einer klammer an einem schleppband
DE3833469A1 (de) * 1988-10-01 1990-04-05 Agfa Gevaert Ag Verfahren und vorrichtung zum befestigen des anfangs eines bandes von fotografischem material an einer klammer
DE4026616A1 (de) * 1990-08-23 1992-02-27 Agfa Gevaert Ag Vorrichtung zur reinigung oder entfeuchtung von bandfoermigem material
DE4030060C2 (de) * 1990-09-22 1999-09-16 Agfa Gevaert Ag Vorrichtung zur Reinigung oder Entfeuchtung von bandförmigem Material
DE4036015A1 (de) * 1990-11-13 1992-05-14 Wolfgang Koehler Verfahren und vorrichtung zum befestigen von halteklammern an einem band
EP0548444A1 (en) * 1991-12-23 1993-06-30 FIN 5 S.p.A. Machine for winding webbs on reels and reel therefor
DE4204440C2 (de) * 1992-02-14 1997-08-14 Agfa Gevaert Ag Vorrichtung zum Entfernen von Behandlungsflüssigkeit von der Rückseite eines fotografischen, bandförmigen Schichtträgers
GB9219664D0 (en) * 1992-09-17 1992-10-28 Kodak Ltd Photographic transport mechanisms
DE9313212U1 (de) * 1993-09-02 1993-11-04 Heidelberg-Contiweb B.V., Boxmeer Vorrichtung zur Durchführung einer länglichen Materialbahn durch einen in der Höhe beschränkten Raum einer Anlage
US6223962B1 (en) * 1999-06-17 2001-05-01 Heidelberger Druckmaschinen Aktiengesellschaft Method and apparatus for attaching a web of material for translation through a rotary printing press system
US8525925B2 (en) * 2008-12-29 2013-09-03 Red.Com, Inc. Modular digital camera
CN106743883B (zh) * 2017-01-12 2019-12-13 深圳弘美数码纺织技术有限公司 纸头传送装置及送纸设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US628529A (en) * 1898-06-23 1899-07-11 Josiah B Gathright Trace-carrier.
US1618384A (en) * 1924-03-27 1927-02-22 Raymond C Morris Garment fastener or pin
US2034659A (en) * 1934-04-03 1936-03-17 A Kimball Co Price tag
US2609629A (en) * 1949-12-05 1952-09-09 Antioch Bookplate Company Badge
DE1154040C2 (de) * 1958-10-15 1964-03-19 Pako Corp Schlepp- und Tragvorrichtung mit einem endlosen Treibriemen als Foerdermittel und mit einem einen leichten Gegenstand, wie insbesondere einen durch Baeder zu fuehrenden photographischen Filmstreifen tragenden Arm
GB1183416A (en) * 1967-08-18 1970-03-04 Pentacon Dresden Veb Conveyor Insert for Developing Apparatus for Photographic Film Base
CH552834A (de) * 1972-09-22 1974-08-15 Aswag Ag Halter.
DE2512826C2 (de) * 1975-03-22 1983-11-10 Agfa-Gevaert Ag, 5090 Leverkusen Fotografisches Gerät mit Schleppbandführung
DE2603659C3 (de) * 1976-01-30 1981-02-12 Agfa-Gevaert Ag, 5090 Leverkusen Vorrichtung zur Naßbehandlung streifenförmiger fotografischer Schichtträger
US4065042A (en) * 1977-02-22 1977-12-27 Eastman Kodak Company Web transporting apparatus
IT1078964B (it) * 1977-05-31 1985-05-08 Falomo Lodovico Dispositivo di aggancio di carta fotografica in strisce su sviluppatrici con trasporto a cinghia piatta
DD154287B1 (de) * 1980-11-12 1987-04-08 Piechatzek Guenter Vorrichtung zum einziehen von materialbahnen in bearbeitungsmaschinen
US4330191A (en) * 1981-02-17 1982-05-18 Pako Corporation Connector device for attaching photographic web material to a leader belt

Also Published As

Publication number Publication date
JPS6291954A (ja) 1987-04-27
EP0218978A1 (de) 1987-04-22
DE3535852C2 (enrdf_load_stackoverflow) 1987-11-05
US4773580A (en) 1988-09-27
DE3535852A1 (de) 1987-04-16

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