Multicore and method of manufacturing hollow product using multicore
AssigneeMh Technologies Inc.
InventorJin-Ho Yoo
Life of this patent
Estimating the term…
Abstract
Provided is a multicore. The multicore includes a first core, being made of a water-insoluble material, having a hollow formed in the first core and, having an opening formed at both ends of the first core and connected to the hollow, a second core, being made of a water-soluble material and disposed inside the hollow, and a coating layer, being configured to surround the first core to prevent at least a portion of the first core and the second core from being exposed to an outside. Further, the first core includes a plurality of spaces to allow a fluid supplied to an interior of the first core to flow toward the second core.
Claims4
A multicore comprising:
- a first core, being made of a water-insoluble material, having a hollow formed in the first core and, having an opening formed at both ends of the first core and connected to the hollow;
- a second core, being made of a water-soluble material and disposed inside the hollow;
- and
- a coating layer, being configured to surround the first core to prevent at least a portion of the first core and the second core from being exposed to an outside,
- wherein the first core includes a plurality of spaces to allow water supplied to an interior of the first core to flow toward the second core,
- wherein the first core includes an outer circumferential surface forming an exterior and an inner circumferential surface surrounding the hollow, and
- wherein the plurality of spaces are connected to each other to allow the water to flow in one or more directions of a longitudinal direction and a radial direction of the first core in an area between the inner circumferential surface and the outer circumferential surface.
Dependencies are inferred from the claim text.