| 摘要 |
PURPOSE: A sweet potato planting apparatus installed in a sweet potato planting specialized furrow maker is provided to accurately plant browse in a ridging part by making the browse be supported by a brush not to be sagged even in an erect state while rotating in a gathering clamp of a rotating board. CONSTITUTION: A multifunctional Korean-paper fiber production method with barks of a hinoki cypress and leaf extracts includes the following steps. A mixed stuff of the mulberry pulp and the hinoki cypress extracts is produced by mixing a functional mulberry pulp stuff in which a 3 weight% of corn powder which is finely grinded with a particle size of 320 meshes and a 2 weight% of germanium is mixed in a 60 weight% of mulberry pulps; and the hinoki cypress extracts. The hinoki cypress extracts are produced by the following steps; washed barks of the hinoki cypress, which works as a natural rice straw based bast fiber, is cooked for two hours at a temperature of 80 degreeC placing in a heating container; the product of the previous step is placed in the heating chamber with a 20 weight% of brown hinoki cypress bark extracts in a pulp state which is extracted by defibration and the cooked bark and the bark extract are cooked at 80 degree C adding a little bit of edible dye; the product from the previous step is mixed with a 20% of hinoki cypress leaf grinded extracts in which leaves are finely grinded and cut. A multifunctional Korean paper sheet in which the hinoki cypress bark and leaf extracts are integrated in a thin film with stability of form and durability and in which the multifunctional mulberry pulp and the hinoki cypress extracts are mixed is produced by the following steps; the mixed stuff in a fibrous phase of the mulberry pulp and the hinoki cypress extract is mixed with a 3 weight% of epoxy resin and a 2 weight% of pine resin and mature the mixture in a mixed composition storage for five hours; the mulberry pulp and the hinoki cypress extract are papered being mixed with a long and short netting paper machine to get entangled naturally; and a film is formed firmly not to be torn off or damaged by drying at a temperature condition ranged 100-130 degreeC. |
