A stencil printer includes a stencil, a material applicator to apply material on the stencil, and a stencil wiper assembly to selectively wipe the stencil. The stencil wiper assembly includes has a quick-change material module having a supply roller to receive a roll of material, a take-up roller to receive used material, a drive to move the material across the stencil from the supply roller to the take-up roller, and a controllable tension device configured to vary a tension of the material when driving the material from the supply roller to the take-up roller.

A stencil printer includes a stencil, a material applicator to apply material on the stencil, and a stencil wiper assembly to selectively wipe the stencil. The stencil wiper assembly includes has a quick-change material module having a supply roller to receive a roll of material, a take-up roller to receive used material, a drive to move the material across the stencil from the supply roller to the take-up roller, and a controllable tension device configured to vary a tension of the material when driving the material from the supply roller to the take-up roller.

The present invention provides a fabric compressor for applying heat and or pressure to a textile before or after applying ink to a textile during a screen printing operation to prevent fibrillation, to provide a smooth base coat, and/or to cure ink.

The present invention provides a fabric compressor for applying heat and or pressure to a textile before or after applying ink to a textile during a screen printing operation to prevent fibrillation, to provide a smooth base coat, and/or to cure ink.

A screen printing adapter device is disclosed. In an example, the screen printing adapter device includes a body configured as an accessory to a printing board having a tag printing surface. The body is attached to a screen and moves on and off of the printing board along with the screen for a screen printing operation. The body supports areas of the screen for a squeegee that are otherwise unsupported by the printing board. The example screen printing adapter device also includes a shoulder edge of the body shaped to fit adjacent and conform to a shoulder edge of the printing board. The example screen printing adapter device includes a collar edge of the body. In an example, the collar edge of the body is shaped to fit fully around a perimeter of the tag printing surface of the printing board.

A screen printing adapter device is disclosed. In an example, the screen printing adapter device includes a body configured as an accessory to a printing board having a tag printing surface. The body is attached to a screen and moves on and off of the printing board along with the screen for a screen printing operation. The body supports areas of the screen for a squeegee that are otherwise unsupported by the printing board. The example screen printing adapter device also includes a shoulder edge of the body shaped to fit adjacent and conform to a shoulder edge of the printing board. The example screen printing adapter device includes a collar edge of the body. In an example, the collar edge of the body is shaped to fit fully around a perimeter of the tag printing surface of the printing board.

A screen printer in which a squeegee is lowered towards a screen when the internal pressure of a second air chamber of a pressing force adjusting air cylinder is decreased. A control section performs control of an air regulator based on response times from starting control of the air regulator to decrease or increase the internal pressure of the second air chamber until a value detected by a pressure sensor reaches a target value of the internal pressure.

A screen printer in which a squeegee is lowered towards a screen when the internal pressure of a second air chamber of a pressing force adjusting air cylinder is decreased. A control section performs control of an air regulator based on response times from starting control of the air regulator to decrease or increase the internal pressure of the second air chamber until a value detected by a pressure sensor reaches a target value of the internal pressure.

A method and apparatus for screen printing facilitate the application of colors, patterns, and other indicia onto a curved printing substrate, such as a concave glass surface of an appliance. The apparatus includes a print head assembly that is typically supported by a frame and is movable relative to the frame and the printing substrate. The print head assembly includes biasing elements with movable end portions that support a wiper and apply varying levels of pressure to the wiper as it is moved along the curved surface or surfaces of the substrate during a printing process. The print head assembly and associated screen printing equipment may be automated or computer controlled so as to independently vary the pressure of the biasing elements and, thus, the pressure of different areas of the wiper along the substrate, to accommodate simple or complex curves in the substrate surface.

A method and apparatus for screen printing facilitate the application of colors, patterns, and other indicia onto a curved printing substrate, such as a concave glass surface of an appliance. The apparatus includes a print head assembly that is typically supported by a frame and is movable relative to the frame and the printing substrate. The print head assembly includes biasing elements with movable end portions that support a wiper and apply varying levels of pressure to the wiper as it is moved along the curved surface or surfaces of the substrate during a printing process. The print head assembly and associated screen printing equipment may be automated or computer controlled so as to independently vary the pressure of the biasing elements and, thus, the pressure of different areas of the wiper along the substrate, to accommodate simple or complex curves in the substrate surface.