EP0204140A1 - Diapositiv-Rähmchen - Google Patents

Diapositiv-Rähmchen Download PDF

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Publication number
EP0204140A1
EP0204140A1 EP86105831A EP86105831A EP0204140A1 EP 0204140 A1 EP0204140 A1 EP 0204140A1 EP 86105831 A EP86105831 A EP 86105831A EP 86105831 A EP86105831 A EP 86105831A EP 0204140 A1 EP0204140 A1 EP 0204140A1
Authority
EP
European Patent Office
Prior art keywords
slide
frame
film
slot
clamping
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.)
Withdrawn
Application number
EP86105831A
Other languages
German (de)
English (en)
French (fr)
Inventor
Arnold Neuhold
Claus Dipl.-Ing. Pohl
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.)
Geimuplast Peter Mundt KG
Geimuplast Peter Mundt GmbH and Co KG
Original Assignee
Geimuplast Peter Mundt KG
Geimuplast Peter Mundt GmbH and Co KG
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 Geimuplast Peter Mundt KG, Geimuplast Peter Mundt GmbH and Co KG filed Critical Geimuplast Peter Mundt KG
Publication of EP0204140A1 publication Critical patent/EP0204140A1/de
Withdrawn legal-status Critical Current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
    • G03D15/00—Apparatus for treating processed material
    • G03D15/10—Mounting, e.g. of processed material in a frame

Definitions

  • the invention relates to a slide frame according to the preamble of patent claim 1.
  • Such a slide frame is known from DE AS 12 64 o98 by the applicant.
  • the film is inserted into the frame through the insertion slot. After the leading edge of the film in the direction of movement of the film has passed through the entire image window of the slide frame, it must be pushed back into the slide frame on the side opposite the insertion slot. Difficulties arise with a film that is warped.
  • plastic frames are designed with a pocket closed on one side to hold the slide, as can be seen, for example, from AT-PS 231 195.
  • a slide is generally not designed to be completely flat, since its development, particularly in trailer developing machines or with rapid drying, can lead to considerable warping of the film.
  • AT-PS 231 195 discloses that the edges of the above-mentioned receiving groove for the slide, opposite the insertion slot and extending transversely to the insertion direction of the slide, are beveled. These bevels allow the slide to slide easily from the insertion slot of the frame into the projection position, even if the slide is not quite flat, the groove holding the film in the correct position.
  • the funnel of the receiving groove formed by the bevels of the picture window edge is not large enough to be able to insert curved film without problems.
  • DE-PS 1 294 065 also deals with the difficulty that the film piece abuts on the image window boundary opposite the insertion slot or the insertion opening and therefore cannot be brought into its intended position. It teaches to remedy this disadvantage that in the The cutting station of each slide is cut concavely at its front end before being inserted into the frame. However, this measure requires an expensive, complex cutting tool.
  • the concave wedge can also be made very flat and therefore not very effective, since the image bridges are often very narrow and the gate would be visible during projection.
  • the object of the invention is to provide a slide frame according to the preamble of claim 1, in which the slide film can be inserted reliably and easily even if it is warped, and which provides an improved clamping effect for the slide in the projection position .
  • this object is achieved by the features specified in the characterizing part of patent claim 1.
  • the slide can be inserted up to its projection position, specifically on framing machines known per se and regardless of whether the slide frame is produced by the injection molding process or in an extrusion and stamping process.
  • the fact that the film bed is narrowed by a clamping rib, which is arranged on an image window edge extending perpendicular to the insertion direction of the slide, provides an improved clamping effect for the slide in the projection position.
  • the film bed narrowed by the clamping rib according to the invention conveys a deformation, i.e. a curvature of the film and, in cooperation with the clamping rib, causes a sufficient clamping effect.
  • the frame known from DE-PS 1 214 898 can be widened either on one or on the other side of its tubular receiving pocket for the slide, so that a slide frame with a tubular receiving pocket for the slide is better and better in the area of the insertion slots can be expanded more easily.
  • This advantage is related to using the frame on an automatic framing machine.
  • Such a frame no longer requires pre-orientation, as is indispensable for frames with a sack-like receiving pocket, in order for the pocket to be inserted automatically in order to be able to automatically insert the slide into the frame.
  • An advantageous development of the invention is characterized in that the film bed is narrowed by two opposing clamping ribs which are arranged on the picture window edges which extend perpendicular to the insertion direction of the slide. As a result, the clamping effect is further improved.
  • the slide frame according to the invention can be widened by means of wedges which are inserted laterally into the slide frame.
  • a particularly advantageous embodiment of such an expansion wedge for expanding a slide frame according to one of the claims is characterized in that the wedge is formed with a passage opening for the slide.
  • Such a configuration of the expansion wedge allows a particularly simple and reliable introduction of the slide into the slide frame.
  • the slide frame 1 made of elastic plastic is formed with two end-side, oppositely arranged, elastically expandable insertion slots.
  • the frame edge parts lying to the side of the insertion path of the slide are formed in the region of the insertion slot in such a way that forces acting in pairs against one another and directed perpendicularly to defined points of these specially designed frame edge parts can cause the insertion slot to widen.
  • the introductory slots 2,3 as shown in FIGS. 1 and 2 formed laterally into the side strips, for example 4 to form an insertion slot that is continuous over the width of the frame.
  • wedges 5, 6 can be inserted from the side strips 4, 4a of the frame 1 into the continuous gap of the insertion slots 2, 3.
  • the wedge 5 is formed with a passage opening 7 for the slide 8.
  • the direction of insertion for the slide is indicated by two arrows in FIG. 2.
  • the film bed is narrowed by two opposing clamping ribs 13, 14, which are arranged on the picture window edges extending perpendicular to the insertion direction of the slide. These ribs 13, 14 are shown in each case in the drawings.
  • the clamping ribs 13, 14 arranged at the edges of the picture window perpendicular to the insertion direction of the slide on the one hand cause a narrowing of the film bed and on the other hand a curvature of the slide.
  • the combination of these measures provides a sufficient clamping effect on the slide, which is fixed in this way in its projection position in the frame.
  • the slide can nevertheless be inserted mechanically into the slide frame according to the invention.
  • the opposite insertion slots 2, 3 are preferably widened simultaneously by means of the wedges 5, 6.
  • the slide can be easily and correctly inserted into its projection position in the frame.
  • the expansion wedges 5, 6 are again guided out of the insertion slots 2, 3, so that the expansion process is ended.
  • the Daipositiv is properly fixed in its projection position using the elasticity of the plastic of the frame by means of the clamping ribs 13, 14.
  • the invention brings about a reliable film clamping in the slide frame according to the invention.
  • the purpose of the film clamp is so that the film is properly fixed in its projection position in the frame.
  • This film clamping is brought about by narrowing the film bed and clamping the slide on two sides of the image window boundary. A certain curvature is imposed on the film. Nevertheless, due to the preferably simultaneous expansion of the frame at its two ends, the film can be easily and perfectly inserted into its projection position.
  • a side effect of the film clamping according to the invention is an anti-pop effect.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Sheet Holders (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
EP86105831A 1985-05-17 1986-04-28 Diapositiv-Rähmchen Withdrawn EP0204140A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3517873 1985-05-17
DE19853517873 DE3517873A1 (de) 1985-05-17 1985-05-17 Diapositiv-rahmen und verfahren zum einfuehren eines diapositivs in einen solchen rahmen

Publications (1)

Publication Number Publication Date
EP0204140A1 true EP0204140A1 (de) 1986-12-10

Family

ID=6271039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86105831A Withdrawn EP0204140A1 (de) 1985-05-17 1986-04-28 Diapositiv-Rähmchen

Country Status (6)

Country Link
US (1) US4738040A (enExample)
EP (1) EP0204140A1 (enExample)
JP (2) JPS6230235A (enExample)
CA (1) CA1268037A (enExample)
DE (1) DE3517873A1 (enExample)
ES (1) ES296646Y (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4929056A (en) * 1988-09-08 1990-05-29 Grumman Aerospace Corporation Apparatus for opening and holding a frame and a method of mounting an optical element in a frame
DE8813514U1 (de) * 1988-10-27 1988-12-15 L + N-Plast Kunststoffverarbeitung GmbH & Co Betriebs KG, 8111 Untereglfing Diapositiv-Rähmchen
US5187923A (en) * 1992-01-15 1993-02-23 Pakon, Inc. Slide mounter with positive stop film placement
US5263301A (en) * 1992-01-15 1993-11-23 Pakon, Inc. Slide mounter with in-plane film pusher
US5182897A (en) * 1992-01-15 1993-02-02 Pakon, Inc. Slide mounter with movable knife assembly
US5216872A (en) * 1992-01-15 1993-06-08 Pakon, Inc. Slide mounter with motor/arm interlock
US5222347A (en) * 1992-01-15 1993-06-29 Pakon, Inc. Slide mounter with spring loaded insert guides
US5187918A (en) * 1992-01-15 1993-02-23 Pakon, Inc. Slide mounter with bridging film advance
US5195653A (en) * 1992-01-15 1993-03-23 Pakon, Inc. Slide mounter with improved slide mount advance
US6065234A (en) * 1998-11-17 2000-05-23 Pakon, Inc. Post plastic lens photographic slide mount
US7210270B1 (en) * 2000-10-20 2007-05-01 Steelcase Development Corporation Partition system with elevated raceway
USD463258S1 (en) 2000-10-30 2002-09-24 Downing Displays, Inc. Connector for modular display panels
USD563211S1 (en) * 2002-03-22 2008-03-04 Woodcraft Industries, Inc. Tenon
USD496967S1 (en) 2003-07-01 2004-10-05 Wyatt Christopher Davis Access tag holder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921338A1 (de) * 1968-04-29 1969-11-13 Peter Florjancic Verfahren und Einrichtung zum Rahmen von Dias
EP0158342A2 (de) * 1984-04-13 1985-10-16 GEIMUPLAST PETER MUNDT GmbH & Co. KG Verfahren zum Einführen eines Diapositivs in ein Rähmchen aus Kunststoff

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT231195B (de) * 1961-01-23 1964-01-10 Adox Fotowerke Schleussner Dr Diapositivrahmen
GB1039175A (en) * 1962-06-22 1966-08-17 Du Pont An improved method of mounting photographic transparencies
DE1214898B (de) * 1963-05-21 1966-04-21 Geimuplast Mundt Kg Peter Einteiliger Diapositiv-Rahmen
DE1264098B (de) * 1965-07-07 1968-03-21 Geimuplast Mundt Kg Peter Diapositiv-Rahmen
US3470642A (en) * 1965-07-07 1969-10-07 Geimuplast Mundt Kg Peter Integral transparency frame
DE1294065B (de) * 1966-07-06 1969-04-30 Geimuplast Mundt Kg Peter Verfahren sowie Vorrichtung zum Einfuehren von Diapositiven in Rahmen
DE1284121B (de) * 1967-04-27 1968-11-28 Geimuplast Mundt Kg Peter Einteiliger Diapositiv-Rahmen
US4102029A (en) * 1976-11-01 1978-07-25 Forox Corporation Method for loading film transparencies into slide mounts

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921338A1 (de) * 1968-04-29 1969-11-13 Peter Florjancic Verfahren und Einrichtung zum Rahmen von Dias
EP0158342A2 (de) * 1984-04-13 1985-10-16 GEIMUPLAST PETER MUNDT GmbH & Co. KG Verfahren zum Einführen eines Diapositivs in ein Rähmchen aus Kunststoff

Also Published As

Publication number Publication date
DE3517873C2 (enExample) 1987-08-27
CA1268037A (en) 1990-04-24
ES296646Y (es) 1989-04-01
JPH0719749U (ja) 1995-04-07
DE3517873A1 (de) 1986-11-20
JPS6230235A (ja) 1987-02-09
US4738040A (en) 1988-04-19
ES296646U (es) 1987-12-01

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19890612

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Inventor name: NEUHOLD, ARNOLD

Inventor name: POHL, CLAUS, DIPL.-ING.