| 摘要 |
PURPOSE: A surfing board of an air injection type is provided to keep the flatness of an outer appearance when the air is injected into the surfing board and decentralize pressure which is applied to the surfing board through a hollow part. CONSTITUTION: A surfing board of an air injection type(100) comprises an inner space material, an outer appearance material, and an air injection part(130). The internal space material comprises an upper side, a lower side, a plurality of support lines interlinking the upper side and the lower side, and a hollow part(110) passing through the upper side and the lower side. The upper side, the lower side, and the support lines are formed into one body. The support lines keep a gap between the upper side and the lower side. The outer appearance material comprises an upper sheet(123), a lower sheet(124), a hollow side sheet(121), and an outer side sheet(122). The air injection part injects the air to the inside of the inner spacer material.
|
