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EP0349448A1 - Vorrichtung zum Einbringen eines von einer Spule abgewickelten Filmendes in ein Filmentwicklungsgerät und ein Modul zur Benutzung dieser Vorrichtung - Google Patents

Vorrichtung zum Einbringen eines von einer Spule abgewickelten Filmendes in ein Filmentwicklungsgerät und ein Modul zur Benutzung dieser Vorrichtung Download PDF

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Publication number
EP0349448A1
EP0349448A1 EP19890420230 EP89420230A EP0349448A1 EP 0349448 A1 EP0349448 A1 EP 0349448A1 EP 19890420230 EP19890420230 EP 19890420230 EP 89420230 A EP89420230 A EP 89420230A EP 0349448 A1 EP0349448 A1 EP 0349448A1
Authority
EP
European Patent Office
Prior art keywords
film
unwinding
window
intended
unwound
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.)
Granted
Application number
EP19890420230
Other languages
English (en)
French (fr)
Other versions
EP0349448B1 (de
Inventor
Philippe Combet
Serge Crasnianski
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.)
Crasnianski Serge
Kis Photo Industrie SARL
Original Assignee
Crasnianski Serge
Kis Photo Industrie SARL
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 Crasnianski Serge, Kis Photo Industrie SARL filed Critical Crasnianski Serge
Publication of EP0349448A1 publication Critical patent/EP0349448A1/de
Application granted granted Critical
Publication of EP0349448B1 publication Critical patent/EP0349448B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D13/00—Processing apparatus or accessories therefor, not covered by groups G11B3/00 - G11B11/00
    • G03D13/003—Film feed or extraction in development apparatus

Definitions

  • the invention relates to a device for introducing the free end of a negative film to be developed, unwound from a reel, into a unit for developing photographic films; it also relates to a module for the introduction of this device into the film development unit, making it possible then to automatically cut the other end of this film when it has been unwound from its reel and remains attached to it ; it also relates to machines for developing negative films equipped in this way.
  • the cutting device essentially comprises electromagnets integral with the knives, associated with cells for detecting the presence of the film. If more generally, this provision is satisfactory on the technical level, however it remains expensive, and sensitive to external influences. This solution is not suitable for inexpensive automatic machines handled by inexperienced personnel.
  • the invention overcomes these drawbacks.
  • This device for introducing the free end of a negative film to be developed into a film development unit, unwound from a reel, in which the film to be developed: . is unwound around the axis of the coil which rests in a cradle-shaped support: . is driven first by a first pair of motorized pressure rollers, then by a plurality of successive pairs of rollers arranged in the film development unit proper; .
  • a properly cylindrical cradle intended to receive the reel to be unwound and to prevent its rotation during the unwinding of the film
  • a straight portion adjoining the cradle, intended to guide the film during its unfolding, comprising: . two parallel paths for guiding the film, . a first window for the passage of the blade of the cutting member, when one arrives at the end of the unwinding of the film, . a second window for the passage of the first pair of film drive pressure rollers.
  • connection portion of the lower shell with the rectilinear guide portion of the film has at each of the ends of the two parallel guide tracks a lug against which the lower lip of the film exit area of the reel comes to bear;
  • the first window for the passage of the cutting lip is constituted by an opening formed in the lower shell and by a clearance made opposite, in the upper shell;
  • the underside of the lower shell has a housing intended to receive the end of the trigger for triggering the cutting blade;
  • the lower shell of the clamp present on its external faces at each of the ends of the guide tracks, of the positioning studs of the clamp in the introduction module, capable of authorizing a displacement of said clamp at the end of the unwinding;
  • the free ends of the straight portions of the two shells have clipping means.
  • the invention also relates to a module for the introduction of this device, loaded with a film reel, into a film development unit.
  • This module is characterized in that it includes: . a light-tight case, closed by an articulated cover, intended to receive and position said clamp, .
  • the first pair of disengageable film drive rollers intended to be positioned in the second window of the clamp after closing the cover, comprises a driving roller disposed in the fixed part of the housing, while the pressure counter-roller is fixed on the inner face of the cover, .
  • a guillotine shears whose blade is intended to cut the film at the end of the unwinding by engaging in the first window of the pliers.
  • the introduction module also comprises a second pair of rollers driven in synchronism by the same geared motor as the first pair, for drawing the film unwound in the guide paths for introducing the film into the developing unit;
  • the output shaft of this geared motor comprises a freewheel which, on the one hand meshes with the drive pinions of the two pairs of rollers and which, on the other hand, is disengageable when the free end of the film unwound from the reel is taken up by the first pair of rollers of the film developing unit;
  • the end of the guide path of the unwound film placed just upstream of the first pair of film drive rollers in the film development tank includes a detection cell for determining when the free end of the film unrolled is supported by the first pair of rou leaux of the film development unit, in order to stop the rotation of the gear motor;
  • the cutting member is constituted by a guillotine shears comprising a cutting blade proper fixed to a blade holder, itself in abutment against
  • the clamp characteristic of the invention designated by the general reference (1) comprises two molded shells respectively upper (2) and lower (3), articulated around an axis (4) by hinges (5) and (6), said axis being parallel to the unwinding axis (8) of the coil (9) once in place.
  • the lower shell (3) has a pin (10) on the spindle of the axis (4) intended to block the coil (9) once in position.
  • the two shells (2,3) define a cradle designated by the general reference (11) cylindrical, intended to receive the film reel.
  • the connection portion of the lower shell (3) with the rectilinear guide portion of the film (14) has a lug ( 13) against which bears the lower lip (15) of the film outlet area (12) of the reel (9).
  • the two shells (2,3) are then extended by two rectilinear portions, respectively (14,16) adjoining the cradle, intended to guide the film (12) during its unwinding.
  • These two rectilinear portions (14, 16) are clipped at their ends to properly hold the film (12) during the unwinding.
  • These portions (14,16) first of all comprise two parallel guide paths, respectively (17,18) on which the unwound film slides and more precisely the drive perforations.
  • the two rectilinear portions (14,15) have two facing openings, respectively (20) and (21), arranged facing each other, forming a first window for the passage of the blade (30) of the cutting member when one arrives at the end of the unwinding of the film (12).
  • this window is constituted by a first opening (21) formed in the rectilinear portion (14) of the lower shell (3), while the portion (16) of the upper shell (2) has a clearance (20) arranged opposite (21).
  • the clearance (20) can be replaced by a recessed housing.
  • the straight portions (14,16) then have two other openings arranged opposite, respectively (22,23) for the passage of the first pair of pressure rollers (24,25) for driving the film (12).
  • the underside of the straight portion (14) of the lower shell (3) has a housing (26) intended to receive the end (31) of the trigger (32) for triggering the support of the cutting blade (30) .
  • the positioning of the film in the clamp (1) can be carried out by inexperienced personnel outside the film development unit. To do this, the operator opens the two shells (2,3), engages the coil (9) by blocking it on the lug (10) and the outlet lip (13) against the lug (13). By hand, he pulls the free end of the film (12) to bring the edges of the film onto the guide tracks (17,18) until the end of the film (12) is slightly flush.
  • This module (40) comprises a light-tight housing (41), closed by a cover (42) articulated at (43). By means of lugs or positioning pads respectively (33) and (34) provided for this purpose at the end of the guide tracks (17,18), the clamp is positioned in the fixed part (41) of the module. introduction (40).
  • the pressure counter roller (25) associated with a spring (35) is fixed to the cover (42).
  • the output shaft (37) of a gear motor (36) comprises a free wheel (38) which meshes with pinions (39) on the one hand, with the drive roller (24) of the first pair of rollers, but also with two other motor return rollers (44,45), driven in synchronism with (24,25) to pull the unwound film (12) in the guide paths (46) of the film to the unit development (60).
  • a detection cell (48) which makes it possible to determine the moment when the free end of the unwound film (12) is taken over by the first pair rolls (61,62) of the film developing tank (60).
  • the drive of the geared motor (36) is then stopped and consequently the rollers (24,44,45).
  • the cutting member comprises a trigger (32) articulated at (50), the end (31) of which is, as already said, engaged in the housing (26) provided for this purpose.
  • This trigger (32) cooperates by a stop (51) with a knife holder (30) associated with a spring (52) and having a counter-stop (53).
  • the end of the blade holder (30) has the actual cutting blade forming a guillotine (30).
  • Locking the cover (42) automatically starts the motor (36).
  • the first pair of rollers (24,25) advances the film to the second pair of rollers (44,45) which it engages in the path (46).
  • the detector (48) controls the stopping of the motor (36) and the film is taken in charge and is advanced by the development unit (60).
  • the unwinding shaft (8) At the end of the unwinding, as the other end of the film (12) is attached to the unwinding shaft (8), there follows a longitudinal traction indicated by the arrow T. This causes the clamp to move towards the right and consequently, a pivoting of the trigger (32) which then releases the knife (30) which thus cuts the end of the unwound film.
  • a suitable device enables the knife (30) to be armed when the cover (42) is opened.
  • the device according to the invention is particularly simple, of easy construction, and can be implemented by non-specialized personnel. In addition, it allows the reels or films to be loaded into the gripper outside of the machine itself, which results in appreciable time savings.
  • this arrangement can be advantageously used in automatic film development machines, as well as in film development machines and integrated photographic prints.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Replacement Of Web Rolls (AREA)
EP89420230A 1988-06-30 1989-06-27 Vorrichtung zum Einbringen eines von einer Spule abgewickelten Filmendes in ein Filmentwicklungsgerät und ein Modul zur Benutzung dieser Vorrichtung Expired - Lifetime EP0349448B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8809111 1988-06-30
FR8809111A FR2633737B1 (fr) 1988-06-30 1988-06-30 Dispositif pour introduire l'extremite libre d'un film negatif a developper, deroule depuis une bobine, dans une unite de developpement de films

Publications (2)

Publication Number Publication Date
EP0349448A1 true EP0349448A1 (de) 1990-01-03
EP0349448B1 EP0349448B1 (de) 1993-05-19

Family

ID=9368110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89420230A Expired - Lifetime EP0349448B1 (de) 1988-06-30 1989-06-27 Vorrichtung zum Einbringen eines von einer Spule abgewickelten Filmendes in ein Filmentwicklungsgerät und ein Modul zur Benutzung dieser Vorrichtung

Country Status (7)

Country Link
US (1) US4949114A (de)
EP (1) EP0349448B1 (de)
JP (1) JP2790321B2 (de)
KR (1) KR900000729A (de)
CA (1) CA1328367C (de)
DE (1) DE68906603T2 (de)
FR (1) FR2633737B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0516105A2 (de) * 1991-05-28 1992-12-02 Fuji Photo Film Co., Ltd. Filmbehälter und automatisches Entwicklungsgerät
EP0562674A1 (de) * 1992-03-24 1993-09-29 Kodak Limited Gerät zur Filmlängenprüfung
EP0623851A1 (de) * 1993-05-05 1994-11-09 Eastman Kodak Company Photographisches Filmbehandlungsgerät
EP0628871A1 (de) * 1993-06-03 1994-12-14 Noritsu Koki Co., Ltd. Lichtabschirmmagazin für Filmpatrone
EP0543182B1 (de) * 1991-11-19 1996-08-28 Eastman Kodak Company Filmabwickelvorrichtung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5256379A (en) * 1991-12-23 1993-10-26 Deloach Anthony Apparatus and method for removing hydrocarbons from airstream
IT1271222B (it) * 1994-09-28 1997-05-27 Sirti Spa Filtro ottico per telecomunicazioni
JPH09281685A (ja) * 1996-04-15 1997-10-31 Fuji Photo Film Co Ltd カートリッジアダプター
US5826131A (en) * 1996-12-26 1998-10-20 Fuji Photo Film Co., Ltd. Development processing apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR775175A (fr) * 1933-07-01 1934-12-21 Magasin à papiers photographiques en rouleaux
US3568587A (en) * 1968-07-26 1971-03-09 Jerome D Laval Photographic paper feeding attachment for processor
US3815457A (en) * 1969-06-02 1974-06-11 Copley Press Inc Equipment using novel paper storage means
US4531819A (en) * 1983-03-01 1985-07-30 Bell & Howell Japan Ltd. Device for storing exposed film for photographing and developing apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484378A (en) * 1945-01-19 1949-10-11 Freeman Samuel Developing tank for developing photographic films
US2692541A (en) * 1950-11-25 1954-10-26 Lesjak Babette Viktoria Daylight developing tank for roll film having paper protective strips
US4200383A (en) * 1978-12-15 1980-04-29 Polaroid Corporation Transparency film processor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR775175A (fr) * 1933-07-01 1934-12-21 Magasin à papiers photographiques en rouleaux
US3568587A (en) * 1968-07-26 1971-03-09 Jerome D Laval Photographic paper feeding attachment for processor
US3815457A (en) * 1969-06-02 1974-06-11 Copley Press Inc Equipment using novel paper storage means
US4531819A (en) * 1983-03-01 1985-07-30 Bell & Howell Japan Ltd. Device for storing exposed film for photographing and developing apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0516105A2 (de) * 1991-05-28 1992-12-02 Fuji Photo Film Co., Ltd. Filmbehälter und automatisches Entwicklungsgerät
EP0516105A3 (en) * 1991-05-28 1993-08-18 Fuji Photo Film Co., Ltd. Film container and automatic developing apparatus
US5311237A (en) * 1991-05-28 1994-05-10 Fuji Photo Film Co., Ltd. Film container and automatic developing apparatus
EP0790527A1 (de) * 1991-05-28 1997-08-20 Fuji Photo Film Co., Ltd. Automatisches Entwicklungsgerät
EP0543182B1 (de) * 1991-11-19 1996-08-28 Eastman Kodak Company Filmabwickelvorrichtung
EP0562674A1 (de) * 1992-03-24 1993-09-29 Kodak Limited Gerät zur Filmlängenprüfung
EP0623851A1 (de) * 1993-05-05 1994-11-09 Eastman Kodak Company Photographisches Filmbehandlungsgerät
EP0628871A1 (de) * 1993-06-03 1994-12-14 Noritsu Koki Co., Ltd. Lichtabschirmmagazin für Filmpatrone

Also Published As

Publication number Publication date
JPH0253051A (ja) 1990-02-22
KR900000729A (ko) 1990-01-31
DE68906603T2 (de) 1993-08-26
FR2633737B1 (fr) 1991-04-05
FR2633737A1 (fr) 1990-01-05
CA1328367C (fr) 1994-04-12
DE68906603D1 (de) 1993-06-24
JP2790321B2 (ja) 1998-08-27
US4949114A (en) 1990-08-14
EP0349448B1 (de) 1993-05-19

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