A method of operating a sublimating device includes providing heat to a cavity of the sublimating device by increasing (i) a temperature of a heater to a predetermined target temperature and (ii) a temperature of a base heater to a predetermined standby temperature. The method further includes determining a difference between the predetermined target temperature and a reduced temperature of the heater. The method also includes determining whether a workpiece is arranged in the cavity based on the difference between the predetermined target temperature and a reduced temperature.

A system arranged to transfer graphical images on objects (8) wrapped into transfer supports (2) by sublimation. The system comprises an oven (12) comprising an inlet mouth (21) and an outlet mouth (23), at least one suction unit (14) located along at least one side of the oven (12), a plurality of hooking/unhooking components (50) located along at least one side of the oven (12) and arranged to hook/unhook the objects (8) wrapped by the transfer supports (2), at least one catenary (18) located along at least one side of the oven (12) and arranged to transport the objects (8) wrapped into transfer supports (2) from the inlet mouth (21) to the outlet mouth (23) of the oven (12) by way of the hooking/unhooking components (50). The system further comprises at least one separation wall (71), configured to keep separate a hot zone, in which the oven (12) is active and the hooking/unhooking components (50) are provided, from a cold zone in which the oven (12) is not working and the at least one the catenary (18) and the at least one suction unit (14) are provided. Moreover, the system comprises a handling device (25) configured to move transversely to the inlet mouth (21) and to the outlet mouth (23) of the oven (12) the at least one suction unit (14), the at least one catenary (18) turd the plurality of hooking/unhooking components (50) so that the separation wall (71) keeps separate the hot zone from the cold zone according to the dimensions of objects (8) wrapped by the transfer supports (2). The invention also concerns a method for realizing the system.

Disclosed is an apparatus to generate heated air to sublimate a sublimating printing substance. The apparatus comprises: a self-regulating heating element; an air retaining device to retain air in the apparatus for heating by the self regulating heating element; and an airflow generating device arranged selectively to urge heated air to leave the retaining device. Also disclosed is a method to sublimate a sublimating printing substance deposited on a printing medium and a system to produce printing content on a printing substrate using a sublimating printing substance.

An apparatus for texturing a plastic substrate, while forming a dye sublimation image in the plastic substrate, wherein the plastic substrate has a first side and a second side, is provided. A textured cover is on a side of a platen, wherein the platen is on a first, untextured side of the textured cover. A first side of the dye carrier is on a second, textured side of the textured cover, and wherein the plastic substrate is supported on a second side of the dye carrier, wherein a first side of the plastic substrate is supported by the dye carrier, wherein the textured side of the textured cover has a texture to be transferred to the plastic substrate. A membrane is on the second side of the plastic substrate. A vacuum pump provides a vacuum between the membrane and the platen. A heater is positioned to heat the plastic substrate.

A method for texturing a plastic substrate, while forming a dye sublimation image in the plastic substrate is provided. A first side of a dye carrier sheet having an image formed thereon of a dye sublimation ink is placed on a second side of the plastic substrate to form a stack. A first side of a textured cover is placed on a side of the stack. A clamping pressure is provided on the textured cover and the stack, wherein the stack and textured cover are clamped together. The stack is heated to at least a sublimation temperature of the stack, which causes the dye sublimation ink to sublimate and penetrate through the second side of the plastic substrate, creating a dye sublimation image in the plastic substrate and wherein texture from the textured cover is transferred to a side of the plastic substrate.

Methods, apparatus and system for decorating plastic articles having an uneven surface or hollow structure are disclosed. An assembly comprising a transfer pad and a flexible heat transfer die comprising a thermal interface material (TIM) replace the hard rubber die in a hot-stamping process to fuse indicia into the surface. The assembly modifies ordinary pad printing into a hot-stamping process that transfers indicia onto uneven surfaces. A pad printing machine or other robotics is used to move the assembly from a position of heating to a position of compressing the ink transfer to the surface of the article.

A sublimation transfer sheet assembly including a first layer and an dye or ink layer positioned on a first side of the first layer. The first layer and the dye or ink layer being positioned such that when the sublimation transfer sheet assembly is wrapped about an object with the dye or ink layer facing the object, a first edge portion of the sublimation transfer sheet assembly is overlapped by a second edge portion of the sublimation transfer sheet assembly, and the first edge portion is interposed between the second edge portion and the object.

The present invention relates to a method for decorating a drinking or eating vessel, the method comprising: a. providing: i. a drinking or eating vessel, wherein the vessel comprises an inner surface that defines a volume for receiving a liquid or a solid food and an outer surface comprising a polymeric coating; and ii. a transfer sheet, wherein the transfer sheet comprises a printed decoration; and iii. a supporting means comprising a recess for receiving the vessel; and b. arranging the vessel within the recess of the supporting means thereby defining a lower portion of the outer surface of the vessel occluded from contact with the transfer sheet and an upper portion of the outer surface of the vessel for contacting the transfer sheet; and contacting the upper portion of the outer surface of the vessel and the supporting means with the transfer sheet under at least a partial vacuum, wherein the printed decoration is transferred from the transfer sheet to the upper portion of the outer surface of the vessel, and wherein the supporting means reduces stretching of the transfer sheet from the upper portion of the outer surface of the vessel to the lower portion of the outer surface of the vessel. Also described are associated uses, an apparatus, and drinking or eating vessels obtainable by the methods of the invention.

A method for texturing a thermoplastic substrate, while forming a dye sublimation image in the thermoplastic substrate is provided. A stack comprising a thermoplastic substrate and a plurality of processing layers is provided, wherein the plurality of processing layers comprise a dye carrier having a dye image and an elastomeric membrane and wherein at least one of the processing layers of the stack is textured. A vacuum pressure is provided on the stack through an elastomeric membrane, wherein the stack is clamped together. The stack is heated to at least a sublimation temperature of the stack, wherein texture from at least one of the process layers is transferred to the thermoplastic substrate. The thermoplastic substrate is cooled to a release temperature. The vacuum pressure is removed. The thermoplastic substrate is removed from the stack.

An image forming apparatus includes an image forming section. The image forming section includes a first toner image forming unit and a second toner image forming unit. The first toner image forming unit forms a sublimation toner image with use of a sublimation toner. The sublimation toner includes a sublimation dye. The second toner image forming unit forms a non-sublimation toner image with use of a non-sublimation toner. The non-sublimation toner does not include the sublimation dye. The image forming section transfers the non-sublimation toner image and the sublimation toner image in this order on a print medium and thereby causes a transfer region of the non-sublimation toner image and a transfer region of the sublimation toner image to be overlapped with each other.