Method and device for manufacturing pellets of hot-melt ink
AssigneeOce-Technologies B.V.
InventorsPeter Joseph Hollands, Wilhelmus Antonius Maria Schreurs, Guido Gerardus Willems, Antonius Johannes Jozef Van Gerven, Reinier Jan Ramekers
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Abstract
A method for manufacturing pellets of hot-melt ink which includes the steps of filling molten ink into a mold cavity defined by a first die and a second die of a mold, allowing the ink to cool down and solidify in the mold cavity, and heating at least one of the first and second dies for re-melting the surface of the ink pellet to facilitate its removal from the mold cavity.
Claims20
A mold for manufacturing pellets of hot-melt ink which consists essentially of first and second dies which are essentially cup-shaped and have a wall thickness of smaller than 2.0 mm, said first and second dies defining a mold cavity, said dies being separable from one another, at least one of said dies having a wall thickness which is smaller than one-half the average diameter of the mold cavity, the upper one of said first and second dies containing a single runner hole disposed substantially in the center of said upper die and having a size sufficient for the introduction of ink for the manufacture of said pellets into the mold cavity.
A mold for manufacturing pellets of hot-melt ink which comprises first and second dies defining a mold cavity, said dies being separable from one another, at least one of said dies having a wall thickness which is smaller than one-half the average diameter of the mold cavity, the upper one of said first and second dies containing a runner hole of a size sufficient for the introduction of ink for the manufacture of said pellets into the mold cavity;
- and a heating system is operatively associated with at least one of said dies, said heating system being a heating block containing a plurality of first and/or second dies of recesses for accommodating a plurality of molds.
A mold for manufacturing pellets of hot-melt ink which consists essentially of first and second dies made of a metal or a metal alloy and defining a mold cavity said dies being separable from one another, at least one of said dies having a wall thickness which is smaller than one-half the average diameter of the mold cavity, the upper one of said first and second dies containing a single runner hole disposed substantially in the center of said upper die and having a size sufficient for the introduction of ink for the manufacture of said pellets into the mold cavity, and a heating system operatively associated with at least one of said dies.
Dependencies are inferred from the claim text.