425results about "Mounting boards" patented technology

flexographic printing plate having solid image areas which are covered by a plurality of very small and shallow cells similar to the ink carrying cells found in anilox ink metering rolls. These cells fill with ink during the plate inking step and reproduce solid image areas with better color saturation while at the same time reducing the halo typical of flexographic printing of solids. Associated with this plate is a method for producing the cells, including the use of an intermediate screened film and of a computer program for generating the film intermediate.

A seamless printing sleeve comprising a hollow cylindrical base and a seamless imageable surface as its outermost layer is described. The imageable surface acts as an integral flexographic printing surface. Preferably the printing sleeve comprises an intermediate photopolymer or resilient polymer layer between the outer surface of the base and the imageable surface. Also, preferably the base is uniformly transparent or translucent to actinic radiation.

An improved thermal development apparatus is used to remove uncured photopolymer from the imaged surface of a flexographic printing element. The apparatus typically comprises one or more heatable rolls that are contactable with an imaged surface of a flexographic printing element; and means for maintaining contact between the one or more heatable rolls and the imaged surface of the flexographic printing element. The one or more heatable rolls are heated and is moved over at least a portion of the imaged surface of the flexographic printing element, and non-crosslinked polymer on the imaged surface of the flexographic printing element is melted and removed by the one or more heatable rolls.

A flexographic printing plate having solid image areas which are covered by a plurality of very small and shallow cells similar to the ink carrying cells found in anilox ink metering rolls. These cells fill with ink during the plate inking step and reproduce solid image areas with better color saturation while at the same time reducing the halo typical of flexographic printing of solids. Associated with this plate is a method for producing the cells, including the use of an intermediate screened film and of a computer program for generating the film intermediate.

An improved apparatus for thermally developing a flexographic printing element to reveal a relief image on the surface and a method of using the apparatus to expose and develop a flexographic printing element. The apparatus typically comprises means for softening or melting non-crosslinked photopolymer on the imaged and exposed surface of the flexographic printing element; at least one roll that is contactable with the imaged surface of the flexographic printing element and capable of moving over at least a portion of the imaged surface of the flexographic printing element to remove the softened or melted non-crosslinked photopolymer on the imaged and exposed surface of the flexographic printing element; and means for maintaining contact between the at least one roll and the imaged and exposed surface of the flexographic printing element. The means for softening or melting non-crosslinked photopolymer on the imaged and exposed surface of the flexographic printing element comprise a heater positioned adjacent to the imaged surface of the flexographic printing element and / or heating the at least one roll that contactable with the imaged surface of the flexographic printing element. The apparatus may also contain an exposure device to crosslink and cure the imaged surface of the flexographic printing element prior to thermal development.

A rubber cylinder sleeve for web-fed rotary offset printing machines has a covering layer which is a finite layer having a joint location, the joint location being filled with a compressible material.

An improved flexo processor and a method of using the improved flexo processor to increase the flexibility of both the type and the size of the flexographic printing element that may be processed. The novel thermal plate processor system is capable of processing both flat and round photosensitive printing elements with only minimal changes to the system. The thermal plate processor system may also include means for exposure and post-exposure / detack in the same system.

Apparatus and method for digitally building up flexographic plates by ink jetting plate pre-cursor material onto a substrate via an offset blanket and forming the plates by successively polymerizing the ink jet fluid.

An exposure system is provided that surrounds a photopolymer on a rotating cylinder ablation system. The exposure system linearly follows the ablation source and operates to expose the ablated (masked) plate with high intensity illumination from all sides so as to continuously expose all points on the photopolymer.