公开(公告)号：WO1991019204A1

公开(公告)日：1991-12-12

申请号：PCT/FR1991000422

申请日：1991-05-29

Applicant: KODAK-PATHE ,  EASTMAN KODAK COMPANY ,  PRIGENT, Thierry

Inventor： KODAK-PATHE ,  EASTMAN KODAK COMPANY

IPC: G01R29/24

CPC classification number: G01R29/24 ,  G01N27/60 ,  G11B15/60 ,  G11B33/10

Abstract: A device and a method for measuring low-amplitude signals on a moving strip material. The strip material runs over a rotatable roller (10) which is provided with at least one measuring element (12) for picking up the low-amplitude signals which, before being sent to an auxiliary device, are amplified and/or processed by an electronic circuit (16) fastened to the roller. The method and device can be used to measure electrical charges on a moving strip material.

公开(公告)号：WO1991017287A1

公开(公告)日：1991-11-14

申请号：PCT/FR1991000361

申请日：1991-05-02

Applicant: KODAK-PATHE ,  EASTMAN KODAK COMPANY ,  BERTORELLI, Claude, Richard, Victor ,  LACOSTE, Germain, Marcel, René

Inventor： KODAK-PATHE ,  EASTMAN KODAK COMPANY

IPC: C25C07/00

CPC classification number: C25C1/20 ,  C02F1/46114 ,  C02F1/4678 ,  C25B9/16 ,  C25C7/002

Abstract: An electrolyzer outfit for percolation-treating a solution for a chemical reaction, such as the cathodic reduction of a metal cation, is described. This outfit includes, for example, a cathodically polarized particle bed (31), a plurality of anodically polarized counter-electrodes (33) arranged around the edge of the particle bed, and an additional anodically polarized counter-electrode (38) placed in the middle of said bed. This arrangement allows the electrode potential within the bed to be altered in order to prevent parasitic chemical reactions.

公开(公告)号：WO1991014550A1

公开(公告)日：1991-10-03

申请号：PCT/FR1991000191

申请日：1991-03-11

Applicant: KODAK-PATHE ,  EASTMAN KODAK COMPANY ,  LONG, Michael ,  GAUDILLAT, Jacques, Fernand

Inventor： KODAK-PATHE ,  EASTMAN KODAK COMPANY

IPC: B26F01/00

CPC classification number: B26D5/08 ,  B26D5/18 ,  B26F1/0007 ,  B26F1/02 ,  Y10T83/4763

Abstract: The invention concerns a device for performing an operation at a given pitch on a strip moving uniformly and continuously. The device comprises a first unit (1) fitted with a tool alternately describing a short section of an arc about a fixed horizontal axis (9) parallel to the axis of travel of the strip so that said tool can be caused to work periodically with a complementary component to said tool carried on a second unit (2), said first unit being connected to said second unit at said fixed axis, where both units thus secured and suspended from a fixed frame (20) are caused to move parallel to the axis of travel of said strip. Application to the perforation, cutting, embossing, notching and pricking of strips.

Abstract translation: 本发明涉及一种用于在均匀且连续移动的条带上以给定间距执行操作的装置。 该装置包括装配有工具的第一单元（1），其交替地描述围绕平行于带材的行进轴线的固定水平轴线（9）的弧形的短部分，使得可以使工具周期性地以 所述第一单元在第二单元（2）上承载的所述工具的互补部件，所述第一单元在所述固定轴线处连接到所述第二单元，使得固定和悬挂在固定框架（20）上的两个单元平行于轴线 所述条的行进。 应用于穿孔，切割，压花，切口和穿刺条。

公开(公告)号：WO1991010167A1

公开(公告)日：1991-07-11

申请号：PCT/FR1990000911

申请日：1990-12-14

Applicant: KODAK-PATHE ,  EASTMAN KODAK COMPANY ,  FRIOUR, Gérard ,  STRAUEL, Philippe ,  CHAMBONNET, Albert ,  IGIER, Christian

Inventor： KODAK-PATHE ,  EASTMAN KODAK COMPANY

IPC: G03C07/30

CPC classification number: G03C7/3029

Abstract: The present invention relates to a multilayer product for colour photography. The product is comprised of, under one of the layers or under each blue-sensitive layer, an intermediary layer including non photosensitive tabular silver halogenide grains having a thickness comprised between 0.03 and 0.2 νm. Application to a product for colour photography with improved sensitivity.

公开(公告)号：WO1991010164A1

公开(公告)日：1991-07-11

申请号：PCT/FR1990000890

申请日：1990-12-07

Applicant: KODAK-PATHE ,  EASTMAN KODAK COMPANY ,  BOSVOT, Jean-Claude ,  LE FAOU, Jacques

Inventor： KODAK-PATHE ,  EASTMAN KODAK COMPANY

IPC: G03C01/005

CPC classification number: G03C1/74 ,  G03C1/025 ,  G03C2001/7437 ,  G03C2001/744 ,  G03C2200/09

Abstract: The method involves applying a pressure close to the vapour tension of water to the mixture before remelting, said pressure corresponding to the temperature of said mixture. The device for implementing the method comprises a low pressure enclosure located upstream from the remelting device and in which a pressure close to the vapour tension of water is applied to the mixture, said pressure corresponding to the temperature of the mixture. The method and device can be used to separate air from photographic compositions.

Abstract translation: 该方法包括在重熔之前向混合物施加接近于水的蒸汽张力的压力，所述压力对应于所述混合物的温度。 用于实施该方法的装置包括位于重熔装置上游的低压外壳，其中接近水的蒸汽张力的压力施加到混合物，所述压力对应于混合物的温度。 该方法和装置可用于将空气与照相组合物分离。

公开(公告)号：WO1990010289A1

公开(公告)日：1990-09-07

申请号：PCT/FR1990000125

申请日：1990-02-22

Applicant: KODAK-PATHE ,  OVADIA, Aimé ,  ROULLEAU, Guy, Max, Claude

Inventor： KODAK-PATHE

IPC: G11B05/58

CPC classification number: G06K7/015 ,  G06K7/084 ,  G11B5/58

Abstract: The invention concerns a magnetic head suspension system. Said system comprises two sidepieces (1 and 2) surrounding the magnetic head and two spring strips (6 and 7), each of the strips being secured by two studs, whereby one secures the strip to the first sidepiece and the other secures the plate to the second sidepiece. Application: for high-density magnetic supports.

公开(公告)号：WO1990004842A1

公开(公告)日：1990-05-03

申请号：PCT/FR1989000538

申请日：1989-10-17

Applicant: KODAK-PATHE ,  LAINE, Antoine ,  CADOT, Bernard

Inventor： KODAK-PATHE

IPC: G11B05/71

CPC classification number: G11B5/71 ,  G11B5/7021

Abstract: The invention relates to a magnetic recording medium which is comprised of magnetic particles and a binder. The binder is a highly cross-linked tridimensional polyurethane formed of a branched polyol including at least 8 % by mass of OH groups and having a molecular weight lower than 4000 and of an isocyanate prepolymer having at least 3 isocyanate functions. In one embodiment, the lubricant is polytetrafluoroethylene in powder form of which at least 90 % of the particles have a size lower than 3 νm and is present for less than 2 % by mass based on the mass of magnetic particles. Application to the production of a magnetic medium which is on the one hand hard and resistant and on the other hand coherent and little abrasive.

公开(公告)号：WO1989012887A1

公开(公告)日：1989-12-28

申请号：PCT/EP1989000684

申请日：1989-06-17

Applicant: KODAK-PATHE ,  EASTMAN KODAK COMPANY ,  LE DU, Gilles ,  MARI, Pierre-André, Marie, Vincent

Inventor： KODAK-PATHE ,  EASTMAN KODAK COMPANY

IPC: G11B05/712

CPC classification number: B22F1/02 ,  G11B5/712 ,  H01F1/061

Abstract: This invention concerns a process of treating particles which are unstable in air and the particles obtained which exhibit good corrosion resistance. The method consists in treating the metal particles by a current of gas containing silane and hydrogen in a fluidised bed. The particles may subsequently be subjected to a current of oxygen, preferably in the same fluidised bed, to obtain a coating of silica around the particles. The method is especially useful in obtaining particles of iron for magnetic recording materials which are suitable for dispersion and are corrosion-resistant.

公开(公告)号：WO1989011901A1

公开(公告)日：1989-12-14

申请号：PCT/EP1989000593

申请日：1989-05-27

Applicant: KODAK-PATHE ,  EASTMAN KODAK COMPANY ,  CHABROL, Daniel ,  LEPLANG, Michel

Inventor： KODAK-PATHE ,  EASTMAN KODAK COMPANY

IPC: B01D15/08

CPC classification number: B01D15/08 ,  B01D15/14 ,  G01N30/6004 ,  G01N30/6017

Abstract: A fluid distributor (2), in particular for a chromotographic apparatus with a large diameter to height ratio, comprises a separator (20) consisting of a disk of porous material, and a distributor plate (21) comprising, on its face in contact with the separator, annular channels (29 to 33) connected to an inlet or outlet duct by ducts (34 to 43) whose dimensions are calculated to introduce, during operation, a loss of head inversely proportional to the area of the corresponding channel, measured on the surface of the separator.

Abstract translation: 流体分配器（2），特别是用于具有大直径与高度比的色谱仪器，包括由多孔材料盘构成的分离器（20）和分布板（21），分布器板（21）的表面与 分隔件，环形通道（29至33）通过管道（34至43）连接到入口或出口管道，其尺寸被计算为在操作期间引入与相应通道的面积成反比的头部损失， 分离器的表面。

公开(公告)号：WO1989003111A1

公开(公告)日：1989-04-06

申请号：PCT/EP1988000877

申请日：1988-09-26

Applicant: KODAK-PATHE ,  EASTMAN KODAK COMPANY ,  COT, Louis; ,  GUIZARD, Christian; ,  LARBOT, André; ,  LURIN, Christian ,  ROUVIERE, Jacques;

Inventor： KODAK-PATHE ,  EASTMAN KODAK COMPANY

IPC: G11B05/64

CPC classification number: G11B5/842 ,  G11B5/84 ,  G11B7/243

Abstract: The present invention relates to a method for preparing thin layers of iron oxide. This method consists in coating on a support a composition of iron oxide polymer prepared by controlled hydrolysis of a solution of iron alkoxide. The hydrolysis is controlled by progressively releasing water in a solution of iron alkoxide in a hydrophobic solvent, from reverse micelles comprising water and a surfactant. The invention applies to the preparation of thin layers for optical and/or magnetic recording.

Abstract translation: 本发明涉及一种制备氧化铁III薄层的方法。 该方法包括在载体上涂覆通过控制水解铁醇盐溶液制备的氧化铁聚合物的组合物。 水解是通过在疏水溶剂中的烷氧化铁溶液中逐渐释放水，由包含水和表面活性剂的反胶束来控制的。 本发明适用于制备用于光学和/或磁记录的薄层。