Provided is a float that can suppress the deformation of a synthetic-resin body thereof even if a gas in the float expands and contracts due to changes in the environmental temperature. A float 10 is characterized by being provided with the following: a synthetic-resin float body 20 formed so as to be hollow; a projection part 202 that is provided so as to project from the upper surface of the float body 20 and that has a ventilation hole 201; and a microporous membrane body 203 that is adhered to the outside of the ventilation hole 201.
フロート及びソーラーパネル用フロート
2020-05-20
Patent
Elektronische Ressource
Japanisch
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS |