# US 11,305,849 B2 · Float, float assembly, and method for installing float assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,305,849 B2 - Document ID: US11305849B2 - Status: Granted - Kind: B2 - Application number: 16/916,387 - Filed: 2020-06-30 - Published: 2020-10-22 - Granted: 2022-04-19 - Earliest claimed: 2016-06-30 - Assignees: Kyoraku Co., Ltd. - Applicants: Kyoraku Co., Ltd. - Inventors: Takaya Niimi; Yoshinori Motohashi; Tsutomu Sakaguchi - Web page: https://patentgrep.com/patent/US11305849B2 ## CPC - B63B 35/44: Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices {(construction methods for floating offshore platforms B63B75/00)} - B63B 35/38: Rigidly-interconnected pontoons - F24S 20/70: Waterborne solar heat collector modules (for working fluids forming pools or ponds F24S10/10) - F24S 25/11: using shaped bodies, e.g. concrete elements, foamed elements or moulded box-like elements - F24S 25/63: for fixing modules or their peripheral frames to supporting elements - F24S 25/632: Side connectors; Base connectors - F24S 25/634: Clamps; Clips - F24S 25/636: clamping by screw-threaded elements - F24S 25/65: for coupling adjacent supporting elements, e.g. for connecting profiles together - H02S 10/40: Mobile PV generator systems - H02S 20/30: Supporting structures being movable or adjustable, e.g. for angle adjustment - B63B 2035/4453: {for converting solar energy into electric energy} - F24S 2025/6001: {by using hook and loop-type fasteners} - Y02E 10/47: Mountings or tracking - Y02E 10/50: Photovoltaic [PV] energy - B63B: SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING (arrangements of vessel ventilation, heating, cooling, or air-conditioning B63J2/00; floating substructures as supports of dredgers or soil-shifting machines E02F9/06) - F24S: SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS (for producing mechanical power from solar energy F03G6/00) - H02S: GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES (obtaining electrical energy from radioactive sources G21H1/12; light sensitive inorganic semiconductor devices H10F; light sensitive organic semiconductor devices H10K30/00; thermoelectric devices H10N10/00; pyroelectric devices H10N15/00) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract Present invention provides a float capable of suppressing deformation of the synthetic resin body even if internal gas expands and contracts due to environmental temperature change. A float comprises a float body made of a synthetic resin molded in a hollow shape, a projecting portion projecting from the upper surface of the float body and having a vent hole, and a microporous membrane adhered to the outside of the vent hole. ## Claims ### Claim 1 A float assembly including a plurality of resin floats for a solar panel, comprising: a pier including a linear float portion formed by arranging and connecting a first plurality of floats in a line, and an assembly float portion formed by connecting a second plurality of floats and having the solar panel provided thereon, wherein the pier includes a base end, and a float of the pier, provided at the base end is directly connected to a float of the assembly float portion. ### Claim 2 (depends on 1) The float assembly of claim 1, wherein the float of the pier has a same structure as the float of the assembly float portion; and a structure for attaching the solar panel is formed on the float. ### Claim 3 (depends on 1) The float assembly of claim 1, wherein the floats are connected so that a part of one float overlaps a part of another float at the pier and the assembly float portion. ### Claim 4 (depends on 1) The float assembly of claim 1, wherein the pier includes a plurality of linear float portions arranged side by side, and linear float portions that are adjacent are connected via a passage joint. ### Claim 5 (depends on 4) The float assembly of claim 4, wherein the pier includes three or more linear float portions. ### Claim 6 A float assembly including a plurality of resin floats for a solar panel, comprising: a pier including a linear float portion formed by arranging and connecting a first plurality of floats in a line, an assembly float portion formed by connecting a second plurality of floats and having the solar panel provided thereon, and a connected float portion configured to connect the assembly float portion and the pier, the connected float portion formed by connecting a third plurality of floats, wherein a float number in a width direction of the connected float portion is greater than a float number in a width direction of the pier and less than a float number in a width direction of the assembly float portion having the connected float portion connected thereto. ### Claim 7 (depends on 6) The float assembly of claim 6, wherein the float number in the width direction of the connected float portion increases from a side of the pier to a side of the assembly float portion. ### Claim 8 (depends on 6) The float assembly of claim 6, wherein the pier includes a plurality of linear float portions arranged side by side, and linear float portions that are adjacent are connected via a passage joint. ### Claim 9 (depends on 8) The float assembly of claim 8, wherein the pier includes three or more linear float portions. ### Claim 10 A method for installing a float assembly, comprising: forming an assembly float portion by connecting a first plurality of floats for a solar panel and providing the solar panel thereon, forming a pier by providing a linear float portion formed by arranging and connecting a second plurality of floats in a line, and installing the float assembly, wherein installing the float assembly includes connecting the pier to the assembly float portion so that the pier is located on a north side of the assembly float portion or a south side of the assembly float portion.