Production of capsule shells and capsules
OwnerLinda Green, Adrian Harrison +3inventors
InventorsLinda Green, Adrian Harrison, Terence Blaney, Marshall Whiteman, Martin Hallett
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OwnerLinda Green, Adrian Harrison +3inventors
InventorsLinda Green, Adrian Harrison, Terence Blaney, Marshall Whiteman, Martin Hallett
Estimating the term…
A method for the production of a capsule shell comprises preparing the capsule shell by electrostatic powder deposition. A plurality of capsule shells may be produced by a process comprising electrostatically applying a powder coating material to a plurality of shaped substrates, treating the powder to form a continuous coating layer on each of the shaped substrates, and removing the shaped coating layers from the substrate to provide hollow capsule shells. An apparatus for the production of a capsule shell includes a substrate, a source of charged powder material and a voltage source for applying a bias voltage between the source of powder material and the substrate to generate an electric field therebetween such that powder material is applied to the substrate.
A method for the production of a capsule shell, wherein the capsule shell is prepared by electrostatic powder deposition on a substrate.
A method for the production of capsule shells, which comprises electrostatically applying a powder coating material to a plurality of shaped substrates, treating the powder to form a continuous coating layer on each of the shaped substrates, and removing the shaped coating layers from the substrate to provide hollow capsule shells.
A method for the preparation of capsules, which comprises electrostatically applying a powder coating material to a plurality of shaped substrates, treating the powder to form a continuous coating layer on each of the shaped substrates, and removing the shaped coating layers from the substrate to provide hollow capsule shells, constituting capsule bodies and capsules caps and filling the capsule bodies and assembling capsules from the filled capsule bodies and the capsule caps.
An apparatus for the production of a capsule shell, the apparatus including a substrate, a source of charged powder material and a voltage source for applying a bias voltage between the source of powder material and the substrate to generate an electric field therebetween such that powder material is applied to the substrate.
A method of coating a substrate by electrostatic powder deposition on the substrate, in which the surface of the substrate on which the powder is deposited is formed generally of an electrically conducting material but includes at least one region formed of a material of reduced electrical conductivity.
Dependencies are inferred from the claim text.