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11. 发明专利

GB703732A A process and apparatus for the development of photographic roll films in daylight 未知
公开(公告)号：GB703732A
公开(公告)日：1954-02-10
申请号：GB2671651
申请日：1951-11-14
申请人： WILHELM KEHR , RUDOLF STRAUSS
IPC分类号： G03D13/06
摘要： 703,732. Processing photographic roll-films. KEHR, W., and STRAUSS, R. Nov. 14, 1951 [Nov. 25, 1950], No. 26716/51. Class 98(2) In a method and apparatus for processing photographic roll-films, the exposed film is placed in a closable light-tight container and the end of the film is attached to a.core mounted in the container to be rotatable from the outside, and the film, or the part thereof to be treated, is wound in a spiral on the core, and treated while, being repeatedly wound on and unwound, from the core, by turning the core, with the film upon it, backwards and forwards with change of direction of the film spiral. As shown, a film roll is placed in a small chamber 1 attached to a larger treatment chamber 2, and the end of the film is fixed to a core 5. A lid 8 is then put on to exclude light: Core 5 is rotated by a handle outside chamber 2 so that the film is drawn into the chamber and wound round the core. Preferably the film is wound against its inherent curl so that a loose spiral is formed. Ribs. 2a, 8a formed within chamber 2 and lid 8 contact the film at its edges and prevent it from otherwise touching the chamber walls. Treatment liquid may be poured in through a passage 13 before or after winding the film: The core is then rotated in the opposite direction, forming a bend 4a in the film which travels along its length until the film forms a spiral in the reverse direction. This is repeated until treatment is complete. The liquid may then be poured out, and replaced by another treatment liquid, or the film may be taken out and washed and dried, for which purposes core 5 may remain attached to the film to hold it by its weight in an uncoiled position. The film (assumed to be perforated) may pass over sprockets 14 geared to a counter for measuring the length of film wound into chamber 2, and if all the film is not to be treated, when a sufficient length has been wound a clamp 12 is pushed down to,press the film against the partition 10 between chambers 1 and 2.

12. 发明专利

GB700954A Daylight developing tank for photographic roll films with protective paper strips 未知
公开(公告)号：GB700954A
公开(公告)日：1953-12-16
申请号：GB2671751
申请日：1951-11-14
申请人： WILHELM KEHR , RUDOLF STRAUSS
IPC分类号： G03D13/06
摘要： 700,954. Photographic developing apparatus. KEHR, W., and STRAUSS, R. Nov. 14, 1951 [Nov. 25, 1950], No. 26717/51. Class 98(2) A daylight developing tank for photographic roll film with a protective paper strip, of the kind in which the film, after insertion in an auxiliary chamber, is fed into a treatment chamber by withdrawing the paper strip, comprises a core for winding the film within the tank, a device on the core for fastening the end of the film, and means whereby the film end is guided into the open fastening device on withdrawing the paper strip. As shown, the auxiliary chamber 1 is mounted on the side of the treatment chamber 2, and both have a cover in two parts 5, 6. A springy holder 8 holds the film spool 3 by its edges in chamber 1. The inner part 5 of the cover is put in place and the paper backing 4 is drawn over it. The outer part 6 of the cover is then put in place, the paper 4 passing through a channel between the parts of the cover. As the paper is pulled off, the end of the film is lifted by the edge of holder 8 and guided by lugs 8b thereof on to a plate 11 pivoted near the partition 10 separating chambers 1, 2 and resting initially in a notch 13 in a core 14 rotatably mounted in chamber 2. The paper is pulled until resistance is encountered as the film end enters the notch 13. Core 14 is then turned anticlockwise by a handle outside the chamber. Plate 11 drops out of slot 13 and falls against the side of chamber 2. A cranked rod 16, journaled in core 14, has a bentover end 16b which when the core begins to turn, abuts a projection 2b in chamber 2, turning rod 16 so that its cranked portion 16a presses a lever 15. This lever is mounted on core 14 and is initially raised so that the film end passes under its free end, which carries a tooth 15a by which the film is held to the core when lever 15 is'pressed down. Continued rotation of core 14 winds the film into a loose spiral. When resistance is again met with (i.e. when the end of the film attached to the backing paper is reached) a cranked rod 17 journaled in the walls of chamber 2 is turned from outside the chamber to clamp the film against partition 10. Developer is poured in and out by an opening 7, and development proceeds while core 14 is turned in opposite directions to reverse the spiral.

13. 发明专利

DE863301C 未知
公开(公告)号：DE863301C
公开(公告)日：1953-06-05
申请号：DEL0006388
申请日：1950-11-26
申请人： VIKTORIA BABETTE LESJAK , RUDOLF STRAUSS
发明人： LESJAK MICHAEL
IPC分类号： G03D13/06

14. 发明专利

DE646741C 未知
公开(公告)号：DE646741C
公开(公告)日：1937-06-22
申请号：DEL0090512
申请日：1936-06-06
申请人： MICHAEL LESJAK , WILHELM KEHR , RUDOLF STRAUSS
IPC分类号： G03D13/06

15. 发明专利

GB708190A Daylight developing tank for photographic roll films 未知
公开(公告)号：GB708190A
公开(公告)日：1954-04-28
申请号：GB900051
申请日：1951-04-17
申请人： WILHELM KEHR , MICHAEL LESJAK , RUDOLF STRAUSS
IPC分类号： G03D13/06
摘要： 708,190. Photographic roll-film developing apparatus. KEHR, W., and LESJAK, M., and STRAUSS. R. April 17. 1951 [May 11, 1950], No. 9000/51. Class 98(2) A daylight developing tank for roll films with protective paper backing strips, in which the exposed film is led into the spiral grooves of two oppositely placed spool discs by a strap having a film holding clip and secured to the core of the externally rotatable spool, also comprises means for holding the clip fast within. the tank and open to receive the film on rotation of the spool by pulling on the backing strip, a spring stripping member adapted to bear on the periphery of the film on its spool and on rotation of said spool to strip the film end from off the film roll so that it is brought between the jaws of the clip, manually operable means extending outside the tank for closing said clip to grip the film, and means manually operable from the exterior of the tank to release said clip holding means to allow the film to be wound into the tank. As shown, the clip on the band secured to the developing spool in the housing 1 comprises a member 8 on which is pivoted a jaw 8a. A projection 8b on the clip can be held against a wall 2a of the film spool chamber 2 by the cranked portion 11a of a rod 11 rotatable by an external handle which may be frictionally locked in the holding position against a fixed pin. The film spool is placed in resilient clips 12 in the chamber 2 where a spring-urged pivoted guide plate 5 engages the convolutions to prevent accidental unwinding, the leading end of the backing paper 6 being placed over the guide plate. The tank is then closed by the cover plate 3 and the backing paper is withdrawn, feeding the film end 7a into the jaws of the clip which is provided with a stripper plate 8c bearing against the spool. When the film is located in the clip as indicated by increased resistance to withdrawal of the backing paper, a plunger 14 in the cover 3 is depressed against spring action to close the clip which is then freed from the wall 2a by releasing the rod 11 so that the film may be wound into the developing spool. Instead of a plunger, a rotatable rod having a cranked or other projecting- portion may be used to close the clip 8.

16. 发明专利

GB705931A Daylight developing tank for photographic roll films 未知
公开(公告)号：GB705931A
公开(公告)日：1954-03-24
申请号：GB1122551
申请日：1951-05-11
申请人： WILHELM KEHR , MICHAEL LESJAK , RUDOLF STRAUSS
IPC分类号： G03D13/06
摘要： 705,931. Photographic developing apparatus. KEHR, W., LESJAK, M., and STRAUSS. R. May 11, 1951 [May 11, 1950] No. 11225/51. Class 98(2) In a daylight developing tank for photographic roll films of the kind having guide members for the film, a container for liquid and a spool mounted in the container and rotatable from the exterior, the spool consisting of a core and two end discs with internal opposite spiral grooves, a lead strap being provided of which one end is attachable to the core of the spool and the other end is attachable to the leading end of the film, and the introduction of the film into the tank being effected by attaching the lead strap to the core and to the film and rotating the spool whereby the film is led into the grooves, beginning with the inside grooves and proceeding outward, being bowed by the guide members to enable it to pass between the end discs of the spool, the distance between the spool discs and the distance between the guide members can be varied. As shown, the tank has a developing chamber 1 and a chamber 2 in which a film spool or cassette is placed, chambers 1 and 2 having a single-light-tight cover 4. The film spool has a pair of spirally grooved discs, one disc 8 being fixed to the spool axle 10 and one disc 9 being slidable thereon, but prevented from rotating on the axle by engagement with a longitudinal groove 11b. The spool is rotatable as a whole by means of a milled knob 6. A member 12 is movable axially with disc 9, but isprevented from rotation by arms engaging the sides of the chamber T, and carries a guide member 13 The film 15 passes between guide member 13 and a corresponding guide member 14 fixed to the cover 4, which bow the film and guide it between the discs 8, 9. The end of film 15 is clipped to the end of a band attached to the axle 10, so that when the spool is rotated by means of knob 6 the film 15 is gradually drawn into the grooves. When the disc 9 is moved along the axle to accommodate films of different widths, member 12 also moves to vary the distance between the guide members 13, 14. In modifications, member 12 is omitted, and guide member 13 is mounted on the cover. It may be slidable and capable of being locked in any desired position, or it may be screwed into one of a number of screw-threaded sockets in the cover. Alternatively interchangeable covers may be provided with guide members in different positions.

17. 发明专利

DE696538C 未知
公开(公告)号：DE696538C
公开(公告)日：1940-09-24
申请号：DEST055817
申请日：1937-02-07
申请人： RUDOLF STRAUSS
发明人： STRAUSS RUDOLF
IPC分类号： F23L1/00

18. 发明专利

DE641858C 未知
公开(公告)号：DE641858C
公开(公告)日：1937-02-16
申请号：DEL0089522
申请日：1936-01-16
申请人： MICHAEL LESJAK , WILHELM KEHR , RUDOLF STRAUSS
IPC分类号： G03D13/06

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