FR2426276A1 - Rouleau de traitement photographique possedant une surface rendue rugueuse par un usinage a decharge electrique - Google Patents

Rouleau de traitement photographique possedant une surface rendue rugueuse par un usinage a decharge electrique

Info

Publication number
FR2426276A1
FR2426276A1 FR7910831A FR7910831A FR2426276A1 FR 2426276 A1 FR2426276 A1 FR 2426276A1 FR 7910831 A FR7910831 A FR 7910831A FR 7910831 A FR7910831 A FR 7910831A FR 2426276 A1 FR2426276 A1 FR 2426276A1
Authority
FR
France
Prior art keywords
roller
electric discharge
discharge machining
processing
self
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
FR7910831A
Other languages
English (en)
Other versions
FR2426276B1 (fr
Inventor
Harvey S Friedman
Irving S Lippert
John W Lothrop
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of FR2426276A1 publication Critical patent/FR2426276A1/fr
Application granted granted Critical
Publication of FR2426276B1 publication Critical patent/FR2426276B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
    • G03B17/50—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus
    • G03B17/52—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus of the Land type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/04—Treating surfaces of rolls

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Abstract

Rouleau de traitement cylindrique perfectionné, destiné à être utilisé dans un dispositif de traitement photographique entraîné par moteur, du type qui étale une composition de traitement fluide en une couche mince, sensiblement uniforme, entre des couches choisies d'unités de film à auto-traitement, de type intégré, tout en faisant avancer l'unité de film vers l'extérieur d'un appareil de prise de vues après l'exposition photographique. Ledit rouleau est caractérisé par le fait qu'il comprend une surface de rouleau périphérique nouvelle, rendue rugueuse par des techniques d'usinage à décharge électrique, pour conférer au rouleau une caractéristique de frottement élevé pour transporter les unités de film, tout en étant insuffisamment rugueuse pour laisser des marques visuellement perceptibles sur une unité de film. Application aux appareils de prise de vues à auto-développement, compacts.
FR7910831A 1978-05-01 1979-04-27 Rouleau de traitement photographique possedant une surface rendue rugueuse par un usinage a decharge electrique Granted FR2426276A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/901,910 US4147425A (en) 1978-05-01 1978-05-01 Photographic processing roller having a surface roughened by electric discharge machining

Publications (2)

Publication Number Publication Date
FR2426276A1 true FR2426276A1 (fr) 1979-12-14
FR2426276B1 FR2426276B1 (fr) 1984-11-02

Family

ID=25415035

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7910831A Granted FR2426276A1 (fr) 1978-05-01 1979-04-27 Rouleau de traitement photographique possedant une surface rendue rugueuse par un usinage a decharge electrique

Country Status (9)

Country Link
US (1) US4147425A (fr)
JP (1) JPS5824778B2 (fr)
AT (1) AT373088B (fr)
AU (1) AU528503B2 (fr)
CA (1) CA1115576A (fr)
DE (1) DE2917533A1 (fr)
FR (1) FR2426276A1 (fr)
GB (1) GB2020848B (fr)
IT (1) IT1112808B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200382A (en) * 1978-08-30 1980-04-29 Polaroid Corporation Photographic processing roller and a novel method which utilizes a pulsed laser for manufacturing the roller
US4246449A (en) * 1979-04-24 1981-01-20 Polaroid Corporation Electrostatic transducer having optimum sensitivity and damping
US4268142A (en) * 1979-12-31 1981-05-19 Polaroid Corporation Camera employing web for film ejection and processing
US4319827A (en) * 1980-10-03 1982-03-16 Polaroid Corporation Method for assembling photographic self-processing apparatus
US4553012A (en) * 1984-04-18 1985-11-12 Anderson Alex L Electrical discharge surface conditioning device
US4758705A (en) * 1985-08-06 1988-07-19 Eastman Kodak Company Method and apparatus for texturing a roller
US4734729A (en) * 1985-08-06 1988-03-29 Eastman Kodak Company Studded squeegee roller
US5481084A (en) * 1991-03-18 1996-01-02 Aluminum Company Of America Method for treating a surface such as a metal surface and producing products embodying such including lithoplate
US5187046A (en) * 1991-03-18 1993-02-16 Aluminum Company Of America Arc-grained lithoplate
US6913617B1 (en) * 2000-12-27 2005-07-05 Advanced Cardiovascular Systems, Inc. Method for creating a textured surface on an implantable medical device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754873A (en) * 1969-01-17 1973-08-28 Steel Corp Cold rolled sheet
US3878353A (en) * 1968-12-05 1975-04-15 Ingersoll Milling Machine Co Method for finishing rolls
US3941970A (en) * 1974-05-13 1976-03-02 Precision Tool & Machine Co. Feed roll and method of imparting a rough texture to the surface thereof
US4016578A (en) * 1976-01-13 1977-04-05 Polaroid Corporation Processing fluid flow control device for self developing camera

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416125A (en) * 1945-03-20 1947-02-18 Alfred M Simpson Method of roughening rolls of sugar-cane mills
US3410980A (en) * 1964-05-06 1968-11-12 Oerlikon Engineering Company Method of producing the individual magnets of a circular path atomic particle accelerator including finishing the surface of the poles by electrical discharge machining
US3562702A (en) * 1965-09-13 1971-02-09 Ind Tool Engineering Co Dies and roll manufacture by electroerosion
US3398253A (en) * 1965-10-19 1968-08-20 F Jos Lamb Company Inc Grinding machine with electric discharge machining mechanism for reshaping crush roll
US3447221A (en) * 1967-06-23 1969-06-03 Polaroid Corp Roller structure and method of manufacture
US3600546A (en) * 1968-08-23 1971-08-17 Hitachi Shipbuilding Eng Co Electrical discharge treatment and machining apparatus
US3766842A (en) * 1972-04-24 1973-10-23 Polaroid Corp Photographic film processing apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878353A (en) * 1968-12-05 1975-04-15 Ingersoll Milling Machine Co Method for finishing rolls
US3754873A (en) * 1969-01-17 1973-08-28 Steel Corp Cold rolled sheet
US3941970A (en) * 1974-05-13 1976-03-02 Precision Tool & Machine Co. Feed roll and method of imparting a rough texture to the surface thereof
US4016578A (en) * 1976-01-13 1977-04-05 Polaroid Corporation Processing fluid flow control device for self developing camera

Also Published As

Publication number Publication date
FR2426276B1 (fr) 1984-11-02
GB2020848B (en) 1982-09-02
ATA323379A (de) 1983-04-15
IT7922205A0 (it) 1979-04-27
AU4674379A (en) 1979-11-08
JPS5511278A (en) 1980-01-26
GB2020848A (en) 1979-11-21
US4147425A (en) 1979-04-03
CA1115576A (fr) 1982-01-05
JPS5824778B2 (ja) 1983-05-23
DE2917533C2 (fr) 1987-12-03
DE2917533A1 (de) 1979-11-08
IT1112808B (it) 1986-01-20
AT373088B (de) 1983-12-12
AU528503B2 (en) 1983-05-05

Similar Documents

Publication Publication Date Title
FR2435070A1 (fr) Rouleau de traitement photographique
FR2426276A1 (fr) Rouleau de traitement photographique possedant une surface rendue rugueuse par un usinage a decharge electrique
FR2315713A1 (fr) Appareil de renouvellement automatique des solutions de traitement des films photographiques
FR2412092A1 (fr) Appareil photographique du type a couvercle articule
FR2405493A1 (fr) Appareil de prise de vues photographiques avec mise au point automatique de l'objectif
FR1341409A (fr) Perfectionnements aux appareils pour le traitement de metériaux photographiques
GB1354236A (en) Camera
FR2373809A1 (fr) Unite de flash electronique avec dispositif de commande d'interrupteur marche/arret extensible
FR2427640A1 (fr) Chambre noire portative
FR2373084A1 (fr) Appareil electrophotographique a developpement de type humide
FR2437010A1 (fr) Appareil photographique a transport de film par moteur
BE868652A (fr) Appareil de creation d'un revetement de fluide dans un appareil de traitement de pellicules photographiques
FR2357922A1 (fr) Appareil et procede de prise de photographie et notamment de vue eclatee
US3335652A (en) Photographic processing apparatus
NL178356C (nl) Filmcassette voorzien van een inrichting voor het aanbrengen van een behandelingsvloeistof op een belichte strook van fotografisch filmmateriaal.
IT7822702A0 (it) Applicatore di fluido di trattamento contenuto in una cassetta di pellicola con mezzi per catturare particelle estranee.
FR2419527A1 (fr) Appareil de prise de vues automatique
FR2388295A1 (fr) Appareil photographique a flash
JPS57155531A (en) Rotating and moving photographing device of slit camera
FR2380570A1 (fr) Dispositif pour agir, en fonction de la sensibilite du film, sur le dispositif de calcul du temps d'exposition d'appareils photographiques
AU4678972A (en) Self-developing photographic film unit with liquid trap
FR2389152A1 (fr) Dispositif de projection cinematographique a autodeveloppement et traitement controle du film
GB921921A (fr)
GB1039214A (en) Improvements relating to photographic apparatus
FR1224637A (fr) Appareil pour la reproduction électrique d'images comportant un dispositif d'entraînement à durée d'actionnement variable

Legal Events

Date Code Title Description
ST Notification of lapse