Abstract: A cationically polymerizable curable composition comprising a compound having a vinyloxy group bonded to an aromatic group which is easily cured upon light exposure and/or heating, a cured product of the curable composition, and a method of producing a cured product using the curable composition. In a cationically polymerizable curable composition that includes a compound having a vinyloxy group bonded to an aromatic group, a sulfonium salt having a specific structure is used as a curing agent. A cured product is produced by shaping the curable composition into a predetermined shape, and subjecting the shaped curable composition to light exposure and/or heating.

Abstract: Aspects of the present disclosure relate to methods and apparatuses printing and curing energy curable inks printed on substrates. The printing systems may include a printing station, a light source, and a reflective device. During operation, the printing station deposits energy curable ink onto a first surface of the substrate to define a printed region, wherein an amount of the curable ink may penetrate into the substrate from the first surface toward a second surface. The light source directs ultraviolet light onto the first surface of the substrate to define a first illumination zone. The reflective device reflects ultraviolet light traveling from the second surface of the substrate back toward the second surface to define a second illumination zone. The substrate is advanced in a machine direction to advance the energy curable ink through the first illumination zone and the second illumination zone to cure the energy curable ink.

Abstract: A liquid absorbing apparatus for absorbing a liquid component from a formed ink image includes an endless liquid absorbing sheet, a mechanism configured to move the liquid absorbing sheet cyclically, an absorption mechanism configured to absorb the liquid component from the ink image by making the liquid absorbing sheet contact the ink image, a removing mechanism configured to squeeze and remove a liquid with a nipping pressure by nipping the liquid absorbing sheet, and at least one nipping portion, different from the absorption mechanism and the removing mechanism, configured to nip the liquid absorbing sheet. In the apparatus, the nipping pressure of the removing mechanism is set higher than a nipping pressure of the nipping unit.

Abstract: A recording apparatus includes an ink application unit configured to apply ink to a transfer body, a first application unit configured to apply a first treatment liquid over an area on the transfer body, a second application unit configured to apply a second treatment liquid to the transfer body, a heating unit configured to heat the second treatment liquid applied to the transfer body, and a transfer unit configured to transfer the ink image, wherein a ratio of the second treatment liquid to the first treatment liquid on an outside of ink portion is determined according to the recording medium.

Abstract: An inkjet printer includes an air blower that blows air toward a recording medium and includes a case including an outlet opening through which external air, taken inside through an inlet opening, is discharged outside, and an opening in a portion facing a table. The case is located at least to one side of an ink head in a main scanning direction. The air blower further includes a fan that is located in the case and sends air through the outlet opening toward the recording medium placed on the table, a heater that is located in the case and heats the air sent from the fan, and a heat radiation layer that is exposed outside through the opening and radiates at least a portion of heat generated by the heater.

Abstract: A ultraviolet (UV) pretreatment apparatus used in vacuum evaporation includes a housing having a curing chamber disposed inside the housing; an inlet disposed at one end of the housing and an outlet disposed at an opposite end of the housing; and a UV source disposed in the curing chamber. A light absorption layer is disposed on inner walls of the curing chamber.

Abstract: A multi-pass UV inkjet printer for outputting high glossy varnish and a printing method using the same includes providing a side UV light irradiation device at a side of an inkjet module and a front UV light irradiation device in front of the inkjet module not overlapped by a varnish print head. During output of the varnish, varnish outputted on a substrate in the nth pass is passed under the side UV light irradiation device with a lower UV irradiation power during or after the n+1th pass performed by the UV inkjet printer for setting or temporarily no curing, and then during or after the next pass, the varnish is passed under the front UV light irradiation device with a higher UV irradiation power for complete curing, thereby increasing production yield.

Abstract: A recording apparatus includes an ink applying unit which applies, based on image data, ink containing coloring material, on a recording medium to record an image for the image data; a treatment-solution applying unit which applies treatment solution containing acid for agglomerating components in the ink, at and around an ink application position on the recording medium; a neutralizing unit which applies neutralizing solution for neutralizing the acid, on the recording medium on which the treatment solution and the ink have been applied; and a determining unit which, based on the image data and position data for application of the treatment solution, determines a neutralizing-solution application region so that only at least a part of a region in which only the treatment solution is applied on the recording medium is set as the neutralizing-solution application region. The neutralizing unit applies the neutralizing solution in the determined neutralizing-solution application region.

Abstract: A conveying device includes a blower and a conveyor. The blower blows air to a sheet material. The conveyor conveys the sheet material through a blowing region of the blower. The conveyor includes a surface movable member and a presser. The surface movable member conveys the sheet material with movement of a surface of the surface movable member, with a back side of the sheet material supported with the surface movable member. The presser presses at least a portion of a leading end of the sheet material toward the surface movable member in at least an area from a position upstream from the blowing region in a conveyance direction of the sheet material to a position in the blowing region of the blower.

Abstract: There is provided an intermediate unit including a transportation path along which a paper sheet, on which printing has been performed by a printing unit that performs printing on the paper sheet as a medium by using liquid, can be transported to a post processing unit that performs post processing on the paper sheet, in which the transportation path is provided with a drying unit that accelerates the drying of the paper sheet.

Abstract: A non-Newtonian photo-curable ink composition that includes a metal oxide/alkoxysilane complex in an amount ranging from about 0.1 wt % to about 10 wt %, a salt in an amount ranging from about 0.05 wt % to about 20 wt %, a photo-initiator, an organic solvent, and water, wherein the ink composition has a first dynamic viscosity ranging from 25 cps to 10,000 cps at a first state and a second dynamic viscosity ranging from 1 cps to 50 cps at a second state. Also described herein is a method for making such non-Newtonian photo-curable ink composition and a method for producing printed images using such non-Newtonian photo-curable ink composition.

Abstract: Provided is a method for carrying out printing on the inner and outer surfaces of a building. The method includes printing print text on the inner and outer surfaces of the building by using a printing apparatus in which a printing ink to be used for a piezo method or a printing ink made of a UV curable material can be placed in a spray means according to a user's selection, the piezo method or a UV curing method can be selected according to the type of printing ink placed in the spray means, and spraying of the printing ink of the piezo method or the UV curing method, curing and spraying of a coating agent are sequentially carried out during driving since the spray means, a curing means and a coating agent application means are sequentially arranged.

Abstract: A digital decorating machine for ceramic products, including a conveyor, suitable to transport the products to be decorated (P) along a feed direction (A), and a plurality of decoration modules, positioned over the conveyor and adjacent to each other along the feed direction (A). The modules include respective printing heads provided with nozzles for ejecting a fluid to be delivered on the surface of the products to be decorated (P); the conveyor includes a movable member for supporting the products to be decorated (P), suitable for translating them along the feed direction (A). The conveyor includes at least a supporting surface, located along a respective flank of the movable member, including in turn a plurality of predetermined positioning zones for the removable engagement of respective coupling portions of the decoration modules.

Abstract: A printing system is used to selectively print a layer material on a surface that is initially in a planar or two-dimensional shape. After the layer material is printed onto the surface, it is exposed to an amount of radiation from a radiation source and partially cured. Several layer materials may be placed on top of one another and are also partially cured. The flat surface may be reshaped into a nonplanar or three-dimensional shape, and the layer materials are again exposed to an amount of radiation and fully cured.

Abstract: A printer includes a first ink head that ejects a first ink, a second ink head that ejects a second ink, a first dot controller that controls a dot size after curing of the ejected first ink, and a second dot controller that controls a dot size after curing of the ejected second ink. The second ink is ejected over the first ink on a recording medium, and the second ink is caused to have a dot size that is larger than a dot size of the first ink.

Abstract: An aqueous ink printer includes a dryer that enables coated substrates printed with aqueous ink images to be adequately dried before discharge of the substrates. The dryer is configured to hang the substrates vertically without the substrates touching one another as heat is applied to the substrates within the dryer to reduce the footprint of the dryer and increase the exposure time of the substrates to heat produced by the dryer.

Abstract: An aqueous ink for ink jet recording includes water, a water-soluble organic solvent, a coloring material, and a near-infrared absorbent, wherein a continuous range of wavelengths in which an absorption amount of the ink is not less than 80% of a maximum absorption amount of the ink in a near-infrared region is 10 nm or more.

Abstract: A printer that performs printing on a medium by an inkjet scheme includes an inkjet head, for ejecting droplets of an ink containing a solvent to be evaporated to fix the ink on the medium; and an ultraviolet light source that irradiates the ink with an ultraviolet light. The ink contains a colorant, the solvent, an exothermic polymerizable substance, and a polymerization initiator. The colorant develops a color of the ink. The exothermic polymerizable substance causes a polymerization reaction to generate heat. The polymerization initiator starts the polymerization reaction of the exothermic polymerizable substance in response to irradiation with ultraviolet light. The ultraviolet light source irradiates the ink adhered to the medium with ultraviolet light to make the exothermic polymerizable substance cause the polymerization reaction. Thus, the solvent in the ink is evaporated by the heat generated by the polymerization reaction to fix the ink on the medium.

Abstract: An ink set includes an ink composition for background containing a pigment for background and a coloring ink composition containing a coloring pigment. Provided that the surface tension of the ink composition for background is S1 (mN/m), and the surface tension of the coloring ink composition is S2 (mN/m), S1 and S2 satisfy ?5<(S1?S2)<4. the ink set is used in a first mode in which the ink composition for background and the coloring ink composition are recorded on a recording medium by being caused to be adjacent to each other, or in a second mode in which the ink composition for background is recorded on an image which has been recorded using the coloring ink composition. A recording apparatus includes this ink set.

Abstract: Polyurethane nanocomposites are provided which include a polyurethane and surface modified silica nanoparticles covalently bound into the polyurethane. High loadings in excess of 30% may be achieved. In some embodiments, the silica nanoparticles are covalently bound to the polyurethane polymer through a linkage derived from a surface-modifying compound comprising a silane functional group and a polyol segment. In some embodiments the polyurethane nanocomposite may be provided as a tape or film. In addition, precursors for a polyurethane nanocomposites are provided comprising: a first polyol and surface modified silica nanoparticles dispersed within the first polyol. In some embodiments, the silica nanoparticles are surface-modified by reaction with a surface-modifying compound comprising a silane functional group and a polyol segment derived from a second polyol, which may be the same or different from the first polyol.

Abstract: The illumination optic is a collimator lens having a solid monolithic structure that includes spaced-apart and longitudinally-extending side lobed segments laterally disposed around a central core section. Each lobed segment has a TIR inner peripheral surface extending from a rear side towards a front side of the collimator lens and has a light exit surface generally facing the front side. Also disclosed is an illumination device including the collimator lens and a diffusion lens that is coaxially positioned next to its front side to redirect light coming out of the light exit surfaces. The diffusion lens has spaced-apart outlying optical regions disposed around a central optical axis, at least one for each light exit surface, to be selectively positioned in or out of alignment with a corresponding one of the light exit surfaces depending on a relative angular position between the collimator lens and the diffusion lens.

Abstract: A recording method includes a first drying step of evaporating 50 to 85 wt % of ink adhering on a recording medium, the ink being ejected from a recording head onto a surface of the recording medium back side of which is supported on a medium-supporting unit which faces the recording head, and a second drying step of drying the recording medium, which has been subjected to the first drying step, at the downstream side of the medium-supporting unit in a feeding direction of the recording medium.

Abstract: An actinic radiation-curable inkjet ink containing a photocurable compound, a photopolymerization initiator, a fluorescent brightener, and a phenol-based antioxidant, in which the fluorescent brightener is a compound represented by general formula (1), and the photocurable compound contains a (meth)acrylate having two or more (meth)acryloyl groups in an amount of 80 mass % or more with respect to a total mass of the photocurable compound.

Abstract: A printer includes a transport unit that transports continuous paper, a medium support unit in which a support surface that is capable of supporting continuous paper that is transported by a transport unit, and first concave sections, which are indented from the support surface, are formed, and an image capture unit, which is disposed on a lower side of the support surface, and which captures an image of a lower surface of the continuous paper.

Abstract: A curable ink including at least one monomer, oligomer, or prepolymer; an optional photoinitiator; an optional colorant; and amide gellant having a molecular weight of from about 800 to about 2,500 g/mole; wherein the ink has an onset of gelation defined by the glass transition of the low molecular weight amide gellant according to the relationship Onset of Gelation (K)=(Constant) Tg of gellant (K); wherein the Constant is less than 1.5. A process for printing a three-dimensional article including providing a curable ink; depositing the curable ink in one or more layers; and curing the deposited ink to form the three-dimensional object.

Abstract: To alleviate the trouble of the color developing step and achieve miniaturization. A color developer that heats and color develops a print medium, on which an ink is attached, is arranged. The color developer includes a transportation path in which a carry-in port and a carry-out port of the print medium are communicated to outside air, and the transportation path is extended in a direction intersecting a horizontal direction.

Abstract: A liquid discharge apparatus includes a liquid discharge head to discharge liquid to a medium to form liquid surface on the medium, an irradiator to radiate active energy rays onto the liquid surface, a carriage mounting the liquid discharge head and the irradiator, a scanner to scan the carriage in a main scanning direction, a height adjuster to adjust an irradiation distance between the irradiator and the liquid surface by relatively moving the carriage and the medium, a conveyor to move the medium and the carriage relatively in a sub-scanning direction perpendicular to the main scanning direction, and control circuitry to control the irradiator to irradiate the liquid surface with the active energy rays while scanning the carriage in the main scanning direction.

Abstract: A printer includes a transport unit that transports continuous paper, a medium support unit in which a support surface that is capable of supporting continuous paper that is transported by a transport unit, and first concave sections, which are indented from the support surface, are formed, and an image capture unit, which is disposed on a lower side of the support surface, and which captures an image of a lower surface of the continuous paper.

Abstract: An apparatus and process overcoats a rendered image on a substrate with a liquid material. The apparatus includes a scanning device and a marking module aligned with the scanning device. The scanning device is used to scan the substrate including the rendered image to acquire scan data. A movable transport member moves the scanned substrate including the rendered image to a location underneath the marking subsystem. A controller uses registration and image data, generated from the scan data, to overcoat the rendered image on the substrate.

Abstract: A printing apparatus includes a printing cylinder (17) that holds and transfers a sheet (4), a supply-side transfer cylinder (16 (sheet supply unit)) that supplies the sheet (4) to the printing cylinder (17) at a supply position (P1), and first to fourth inkjet heads (27-30). The printing apparatus includes a transfer mechanism (18) that receives the sheet (4) after printing at a receiving position (P2) and transfers the sheet (4) to one of a discharge route (44) and a reversing route (42). The reversing route (42) employs an arrangement that returns the reversed sheet (4) to the printing cylinder (17) at a return position (P3) located on the downstream side of the receiving position (P2) in the transfer direction of the sheet (4) and on the upstream side of the supply position (P1) in the transfer direction of the sheet (4).

Abstract: A UV curing system and method for providing an adjustable beam profile are disclosed for UV curing for ultra high speed industrial applications, such inkjet printing with improved print quality and efficiency. Also provided is a lamp head assembly for a UV source for such a system, which provides an adjustable beam profile for optimizing UV curing. The lamp head assembly comprises one or more light sources and reflectors or other optical elements, which may be relatively movable and adjustable, to adjust the beam profile to processing conditions and requirements for consistent curing efficiency and print quality at different print speeds. Specific features of such a lamp head assembly may permit adjustment of the spectral, spatial and temporal distribution of light for improved or optimized curing efficiency in ultra-fast UV curing applications.

Abstract: A printing machine includes a printing assembly and a dryer unit having a dryer, with the dryer having at least one first energy output device. The at least one first energy output device is arranged such that it can be moved over an actuating distance between at least one active position and at least one stop position. The actuating distance extends in a continuously linear manner in or opposite to an actuating direction over at least 75% of its entire length. The actuating direction deviates by a maximum of 40° from at least one horizontal direction. The actuating direction deviates by a maximum of 40° from a normal direction of an average surface normal of an entire section, located in an active region of the at least one first energy device, of a transport path which is provided for a web-type printing machine. A method of operating a printing machine is also disclosed.

Abstract: A value-document printing machine includes, in the path of the printed material, at least a first printing site, at which first printing site a printing material passing through that first printing site can be printed, in segments, on at least a first of the two sides of that first printing material in a cycle at a print image width with a cycle length that is fixed in relation to the advancing of the printing material at the printing site, with print images of a print material length that is shorter than the cycle length. A second printing site follows next downstream that first printing site and through which the printing material passing through the printing site can likewise be printed with print images on at least a second of the sides of the printing material.

Abstract: A heating apparatus includes a plurality of heaters to heat a heating object, a plurality of air nozzles to blow air onto the heating object, and a blower to supply air to the plurality of air nozzles. The plurality of heaters is disposed along a conveyance direction of the heating object, at least one of the plurality of air nozzles is disposed between adjacent two of the plurality of heaters, and the plurality of air nozzles blows air onto the heating object while the plurality of heaters heats the heating object in both cases of when the heater performs a heating operation and when the heater does not perform the heating operation.

Abstract: Systems and methods for concentric duct system for a dryer of a printing system. One embodiment includes a dryer of a printing system and a duct system. The dryer includes web conditioners sources to condition a web of print media, intake ports to supply air for the web conditioners, and outlet ports to remove air for the web conditioners. The duct system includes a supply hub and a return hub. The supply hub includes a tubular body with a lower portion and an upper portion, and supply nodes around the lower portion. The return hub includes a body around the upper portion of the supply hub, and return nodes around the body. The duct system further includes supply ducts to connect the supply nodes and the intake ports, and return ducts to connect the return nodes and the outlet ports.

Abstract: A photo-curable ink jet ink set includes an undercoating photo-curable ink jet ink containing a (meth)acrylic acid ester having a vinyl ether group expressed by general formula (I), and an overcoating photo-curable ink jet ink. The undercoating photo-curable ink jet ink has a higher surface tension than the overcoating photo-curable ink jet ink.

Abstract: An ink jet recording method is provided for recording an image by ejecting an ink from a recording head including a member defining an ejection orifice through which the ink is ejected, an ejection element configured to generate an energy used for ejecting the ink, and a first flow path communicating with a portion between the ejection orifice and the ejection element. The method includes ejecting an ink through the ejection orifice, and moving the ink from the first flow path to the portion between the ejection orifice and the ejection element separately from the ejecting of the ink. In this method, the ink is an aqueous ink containing a coloring material and a compound containing a chain hydrocarbon having a carbon number of 8 or more to 18 or less substituted by a hydroxy group or an anionic group.

Abstract: The present invention relates to a UV-curable ink composition, a method for producing a bezel pattern of a display substrate using same, and a bezel pattern produced thereby, the UV-curable ink composition comprising a colorant, an epoxy compound, an oxetane compound and a photopolymerization initiator, wherein a content ratio of the epoxy compound to the oxetane compound is 1:0.5 to 1:6, a taper angle after being cured is 0° to 30°, and optical density (OD) value is 0.05 to 2.5 per a film thickness of 1.0 ?m.

Abstract: A textile printing is more appropriately performed on fabrics made from various materials. A textile printing method of performing textile printing on a textile printing object which is a fabric includes a dye adhesion process of adhering particles of a polyester resin which is a particulate polyester resin, and a dye to the fabric, and a heating process of heating the textile printing object having the particles of the polyester resin and the dye adhered thereto, thereby developing the color of the dye while fixing the particles of the polyester resin to the textile printing object.

Abstract: A dryer device for a printing press that prints in at least one printing position on a printing substrate by use of at least one printing unit, in particular a printing press for securities, includes a dryer with a drying unit formed by an array of a plurality of adjacent radiation sources. That array extends at least over the maximum width of the printing substrate and is used to supply radiation to the printing substrate in each activated state for drying the latter. A control device allows the radiation sources or some of the radiation sources to be switched on or off in a repeating cycle that comprises a sequence with at least one active and at least one inactive phase in correlation with one of a press and a printing-substrate phase position. The dryer device comprising the dryer and the control device is configured to switch on and switch off, for each cycle, only some of the radiation sources in some sections in at least four pre-definable radiation-source groups, spaced approximately equidistantly, i.

Abstract: A sheet conveyance device transports a sheet to a predetermined processing unit, and includes a conveyance belt, a ventilation unit, and a suction unit. The conveyance belt has a first surface and a second surface, and is arranged to be opposed to the processing unit to transport the sheet on the first surface in a predetermined conveyance direction. On an upstream side of the processing unit in the conveyance direction, the ventilation unit blows out wind toward the sheet to adhere the sheet to the first surface of the conveyance belt. The suction unit is arranged to be opposed to the processing unit with the conveyance belt interposed therebetween to generate a negative pressure between the sheet adhered to the first surface by the ventilation unit and the conveyance belt, thereby bringing the sheet into close contact with the first surface of the conveyance belt.

Abstract: Disclosed herein are a dryer for an inkjet image forming apparatus and an imaging forming system having the same. The dryer for an inkjet image forming apparatus includes a heating device detachably installed in the inkjet image forming apparatus to dry a print medium in which a printing is completed by receiving the print medium from the inkjet image forming apparatus. An ink on the print medium may be dried in a short time and an image formation may be more quickly performed.

Abstract: A head unit of an ink jet printer is formed with a mist removing space for removing an ink mist generated when an UV ink is discharged by an ink jet head from a gap between the head unit and a table, where the mist removing space is formed with a gas introducing port, arranged at a position between the ink jet head and the LED, for the gas to be introduced from the gap side between the head unit and the table to the mist removing space, an intake port for the gas to be suctioned from the mist removing space toward a sirocco fan side by an airflow generated by the sirocco fan, and a gas discharging port, arranged separately from the intake port, for the gas to be discharged from the mist removing space.

Abstract: In one example, a printer includes a paper path having a drying area, a printhead near the paper path upstream from the drying area, and a convection dryer to force air simultaneously into an upstream part of the drying area at a first density and into a downstream part of the drying area at a second density less than the first density and to force air into the upstream part of the drying area at a first air speed for a duration and then at a second air speed faster than the first air speed.

Abstract: The invention relates to an apparatus and a method for pretreating and printing textile surfaces. For this purpose, at least one pallet (22) for accommodating and retaining a textile article (20) to be printed on a printing face, a pretreatment device (40) which allows the textile article to be pretreated, prior to it being printed, by applying a pretreatment fluid to the textile article in a pretreatment area, a printing device (60) comprising at least one printhead (61) that allows a printed image to be printed onto the textile article in the pretreatment area, a moving device (23) which allows the at least one pallet to he displaced relative to the pretreatment device and the printing device, and a programmable control device (31) which allows the printing device, the pretreatment device and/or the moving device to be controlled, are provided.

Abstract: An inkjet recording apparatus and an inkjet recording method are provided that facilitate designing of units for subsequent treatment in terms of their shapes and/or positions, while suppressing variability in image quality resulting from subsequent treatment. Two or more recording heads are disposed in a staggered arrangement in X and Y directions. The paired units for subsequent treatment are disposed in parallel to each other along the X direction, and the recording heads are interposed between these units. The length of each of the units for subsequent treatment in the X direction is greater than or equal to the ink-dischargeable extent in the X direction of the recording heads in one scan. The recording heads are arranged, so that nozzle groups, from which the droplets of the same color are discharged, are disposed symmetrically with respect to an intermediary line between the paired units for subsequent treatment.

Abstract: A drying device includes a first heater, a second heater, a conveyance path, and an infrared heater. The first heater contacts and heats a medium on which liquid is applied. The second heater contacts and heats the medium. The second heater contacts the medium at a distance longer than a distance at which the first heater contacts the medium. The conveyance path of the medium includes a first conveyance-path portion and a second conveyance-path portion. The medium is conveyed while contacting the first heater in the first conveyance-path portion. The first conveyance-path portion is disposed upstream from the second heater in a direction of conveyance of the medium. The second conveyance-path portion is disposed downstream from the second heater in the direction of conveyance of the medium. The infrared heater is disposed in the second conveyance-path portion, to irradiate an infrared ray to the medium.

Abstract: A system includes a print head including multiple nozzles formed in a bottom surface of the print head. The nozzles are configured to eject a liquid onto a substrate. The system includes a gas flow module configured to provide a flow of gas through a gap between the bottom surface of the print head and the substrate. The gas flow module can include one or more gas nozzles configured to inject gas into the gap. The gas flow module can be configured to apply a suction to the gap.

Abstract: In a sheet conveying device, a foreign substance separating unit has an air discharge chamber, foreign substance collection chamber, air introduction chamber, a plurality of first air vents formed in a first partition wall that partitions the air introduction chamber and the foreign substance collection chamber, a plurality of second air vents formed in a second partition wall that partitions the air introduction chamber and the air discharge chamber, centrifugal separation parts each including a reverse truncated cone-like wall portion extending downward from each of the first air vents, cylindrical parts that each are provided coaxially with each of the centrifugal separation parts, and an inclination surface portion that is formed around each of the cylindrical parts above each of the first air vents and is inclined in a circumferential direction.

Abstract: The present invention provides an image forming method capable of suppressing glossiness unevenness in one image with curability of an ink droplet having been caused to land on a recording medium increased. The image forming method includes: preparing an actinic radiation-curable inkjet ink containing a radical polymerizable compound, a photopolymerization initiator, a gelling agent, and a nucleating agent; discharging a droplet of the actinic radiation-curable inkjet ink to cause the droplet to land on a surface of a recording medium; and curing the droplet by irradiating the droplet having been caused to land on the recording medium with actinic radiation. The gelling agent contains, in a molecular structure thereof, a polar group, and a C15-26 alkyl group, the nucleating agent is a (poly)glycerin fatty acid ester, and an oxygen concentration in an atmosphere where irradiation with the actinic radiation is conducted is less than 20 vol %.