Hp Indigo B.v.

Hewlett-packard Indigo B.v.

Eyal Negreanu

Yaron Grinwald

Mark Sandler

Gideon Amir

Dror Kella

Reut Avigdor

Olga Kagan

Rada Nuchimov

Guy Nesher

Shmuel Borenstain

Gregory Katz

Guang Jin Li

Daniel Tanchangco

Gidi Amir

Vladislav Kaploun

Uri Lidai

Shiran Zabar

Adi Vinegrad

Ruslan Tovberg

Inbar Adi

Adi Inbar

A method for producing a conductive liquid electrophotographic ink composition is described, the method comprising: heating a polymer resin in a carrier fluid to dissolve the polymer resin; adding conductive metallic pigment particles to be coated to the carrier fluid; cooling the carrier fluid to effect precipitation of the polymer resin from the carrier fluid such that a coating of the resin is at least partially formed on the conductive metallic pigment particles; reheating the suspension of partially coated conductive metallic pigment particles in the carrier fluid; and cooling the carrier fluid at a controlled rate to effect precipitation of the polymer resin from the carrier fluid such that a coating of the resin is formed on the conductive metallic pigment particles, thereby producing the conductive liquid electrophotographic ink composition.

Metallic pigment particles

In a method and an apparatus for forming on a substrate () a pattern of a material, a material layer is provided on an intermediate carrier () and an adhesive layer is provided on the material layer, wherein at least one of the material layer or the adhesive layer comprises a pattern corresponding to the pattern to be formed on the substrate (). The material is transferred to the substrate () with the adhesive fixing the material to a surface () of the substrate ().

Method and apparatus for forming on a substrate a pattern of a material

In one example in accordance with the present disclosure, a fluid application device is described. The device includes an application roller to deposit a fluid containing metallic particles on a surface. A squeegee roller of the device forms a first nip with the roller and a cleaner roller forms a second nip with the application roller. A first resistive coating is disposed on a surface of the application roller.

Fluid application devices with resistive coatings

A method for forming on a substrate () a pattern of a material, the method comprising: providing (S) a material layer (); providing (S, S) an adhesive layer (), wherein at least one of the material layer () or the adhesive layer () comprises a pattern corresponding to the pattern to be formed on the substrate (); and transferring (S) the material to the substrate () with the adhesive fixing the material to a surface () of the substrate (). This solves the problem of forming on a substrate a pattern of a material that, in general, cannot be applied to the substrate directly due to the fact that the material cannot be printed and/or has no or reduced adherence properties with respect to the substrate.

A developing section for a digital printing press includes a controller to control a development unit such that a configuration of the development unit is to be in a first state or a second state based on a determination by the controller comparing a location of a portion of the surface of a photo imaging member presented to the development unit with a location of a transition between an image portion and a portion of the surface of the photo imaging member not in the image portion.

Developing sections for digital printing presses, controllers and methods

The application relates to a method of producing an electrostatic ink composition, the method comprising: mixing a resin and a conductive pigment in a continuous mixer to form a compounded mixture comprising particles comprising the resin and the pigment; adding a liquid carrier to the compounded mixture, such that the particles comprising the resin and the conductive pigment are dispersed in the liquid carrier; and, before, during or after adding the liquid carrier to the compounded mixture: imparting a charge on the particles comprising the resin and the pigment.

Electrostatic inks and method for their production

There is provided a method of producing an electrostatic ink composition, the method comprising: mixing a resin, a liquid carrier, and a conductive metallic pigment having a coating of surfactant thereon, to form an electrostatic ink composition comprising the resin and the conductive metallic pigment dispersed in the liquid carrier. An electrostatic ink composition and a substrate are also described.

Electrostatic inks and printing

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Nes Ziona, Israel

Eyal Negreanu