A roller arrangement for printing apparatus comprises a first roller. The first roller comprises a plurality of cells. Each of the plurality of cells receives an amount of a coating material. The roller arrangement further comprises an extractor to remove at least a portion of the coating material from a selected set of the plurality of the cells.

A roller arrangement for printing apparatus comprises a first roller. The first roller comprises a plurality of cells. Each of the plurality of cells receives an amount of a coating material. The roller arrangement further comprises an extractor to remove at least a portion of the coating material from a selected set of the plurality of the cells.

A method for printing on a substrate comprises two steps. The first step consists essentially of: applying onto a substrate one or more layers of an energy curable ink and applying one or more layers of a water-based coating over the top of the one or more layers of energy curable ink. The second step comprises the steps of, in any order: a) drying the one or more layers of water-based coating, and b) actinically or electron beam curing simultaneously all the energy curable ink layers.

A method for printing on a substrate comprises two steps. The first step consists essentially of: applying onto a substrate one or more layers of an energy curable ink and applying one or more layers of a water-based coating over the top of the one or more layers of energy curable ink. The second step comprises the steps of, in any order: a) drying the one or more layers of water-based coating, and b) actinically or electron beam curing simultaneously all the energy curable ink layers.

A finished flexo plate with printing dots and non-printing indicia. The printing dots have an elevation above the plate floor sufficient to transfer ink to a substrate in a printing step, whereas the non-printing indicia are configured for persistent readability relative to the plate floor but have a height relative to the plate floor insufficient to transfer ink to the substrate in the printing step. The non-printing indicia define a pattern of alphanumeric characters, non-text graphics, or a combination thereof, and are disposed on the plate floor in the form of areas of presence and absence of polymer defined by structures formed of microdots, each microdot having an elevation relative to the plate floor lower than a printing height.

A finished flexo plate with printing dots and non-printing indicia. The printing dots have an elevation above the plate floor sufficient to transfer ink to a substrate in a printing step, whereas the non-printing indicia are configured for persistent readability relative to the plate floor but have a height relative to the plate floor insufficient to transfer ink to the substrate in the printing step. The non-printing indicia define a pattern of alphanumeric characters, non-text graphics, or a combination thereof, and are disposed on the plate floor in the form of areas of presence and absence of polymer defined by structures formed of microdots, each microdot having an elevation relative to the plate floor lower than a printing height.

A method for making a dental appliance configured to position at least one tooth of a patient includes printing a hardenable liquid resin composition on a major surface of a polymeric material to form a pattern thereon, wherein the hardenable liquid resin composition includes a glass ionomer, a resin modified glass ionomer, and mixtures and combinations thereof. A dental appliance is formed from the polymeric material that includes an arrangement of cavities configured to receive one or more teeth.

A method for making a dental appliance configured to position at least one tooth of a patient includes printing a hardenable liquid resin composition on a major surface of a polymeric material to form a pattern thereon, wherein the hardenable liquid resin composition includes a glass ionomer, a resin modified glass ionomer, and mixtures and combinations thereof. A dental appliance is formed from the polymeric material that includes an arrangement of cavities configured to receive one or more teeth.

The present invention provides a method for printing high opacity images or coatings using solvent based inks comprising hollow polymeric microspheres, wherein the inks do not contain titanium dioxide. The International Agency for Research on Cancer (IARC) has classified titanium dioxide as “possibly carcinogenic to humans,” The method of the present invention allows one to avoid the use of inks that rely on titanium oxide for high opacity, which has become of importance for articles that come into contact with one's mouth, for example, cigarette tipping papers.

The present invention provides a method for printing high opacity images or coatings using solvent based inks comprising hollow polymeric microspheres, wherein the inks do not contain titanium dioxide. The International Agency for Research on Cancer (IARC) has classified titanium dioxide as “possibly carcinogenic to humans,” The method of the present invention allows one to avoid the use of inks that rely on titanium oxide for high opacity, which has become of importance for articles that come into contact with one's mouth, for example, cigarette tipping papers.