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COLORING AND CHILDREN'S ACTIVITY BOOKS
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Technical Examples
- A coloring sheet, coloring book, coloring roll, and coloring desk and roll assembly having a coloring sheet with a printed coloring image outline on one surface is substantially visually imperceptible under normal viewing conditions, such as when viewed at a non-coloring distance using a standard incandescent light source, and a method of coloring the sheet. The image may be printed with ink extender, ultraviolet, or infrared ink, or printed opposite the coloring surface.
- A book on demand system for manufacturing a set books. The system includes an order placement system and a book manufacturing system. The order placement system includes a computer and a database for storing books in an electronic form. A customer can operate the computer to access the database and to select a set of books to purchase. In addition, the customer can define the storage space will be used to store the set of books. The computer responds to this customer input by manufacturing the set of books so that the books can be placed physically within the storage space.
- For the purpose of delivering, in the lying-flat condition, book blocks or books which are fed in, standing on their back or on the front cut and at defined timing intervals along their height, from a preceding machine in a transport path, provision is made, according to the method, for the books to be picked up, in accordance with the timing, in the transport path, swung out transversely to the direction of infeed and transferred into a defined delivery position which is spaced apart from the transport path, and is essentially a lying-flat position and from which said books can be fed to subsequent machines synchronously with the timing. The device for performing the method includes a continuously driven clamping conveyer consisting of traction means conveyers which act counter to one another and clamp the books in between them and convey them as far as the picking-up position, a transporting band which still carries the books even in the picking-up position, at least one gripper which clamps the books in the picking-up position and, after the picking-up operation, swings them into the delivery position spaced apart from the transport path and deposits the said books at that point, and a belt conveyer which feeds the books out of said delivery position.
- A process for producing a light amount-adjusting member, such as an ND filter, that comprises the steps of providing a transparent base material and a coloring liquid; and applying a coloring liquid to the base material by ejecting the coloring liquid to the base material to form a colored portion having a specified optical density, wherein the coloring liquid contains at least one coloring material of with a maximum absorption wavelength in a range of 630 to 750 nm, when measured on the transparent base material.
- An image forming method comprises a step of reacting an ink containing a coloring material with a liquid composition containing fine particles reactive to the coloring material on a recording medium, where the reaction between the coloring material and the fine particles occurs in a liquid, the coloring material is adsorbed on the surfaces of the fine particles while keeping the monomolecular state as in the ink, and the fine particles having the coloring material on the surface aggregate each other. This method can provide images of high optical density and high color saturation, with less occurrence of white stripes in the image.
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