FR2572986B1 - METHOD FOR MANUFACTURING LOW-DENSITY SPHERES, AND RESISTANT TO HIGH EXTERNAL PRESSURE; SPHERES OBTAINED THEREBY AND LOW DENSITY MATERIAL THEREOF COMPRISING SUCH SPHERES - Google Patents
METHOD FOR MANUFACTURING LOW-DENSITY SPHERES, AND RESISTANT TO HIGH EXTERNAL PRESSURE; SPHERES OBTAINED THEREBY AND LOW DENSITY MATERIAL THEREOF COMPRISING SUCH SPHERESInfo
- Publication number
- FR2572986B1 FR2572986B1 FR8417055A FR8417055A FR2572986B1 FR 2572986 B1 FR2572986 B1 FR 2572986B1 FR 8417055 A FR8417055 A FR 8417055A FR 8417055 A FR8417055 A FR 8417055A FR 2572986 B1 FR2572986 B1 FR 2572986B1
- Authority
- FR
- France
- Prior art keywords
- spheres
- low
- density
- resistant
- external pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/13—Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8417055A FR2572986B1 (en) | 1984-11-09 | 1984-11-09 | METHOD FOR MANUFACTURING LOW-DENSITY SPHERES, AND RESISTANT TO HIGH EXTERNAL PRESSURE; SPHERES OBTAINED THEREBY AND LOW DENSITY MATERIAL THEREOF COMPRISING SUCH SPHERES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8417055A FR2572986B1 (en) | 1984-11-09 | 1984-11-09 | METHOD FOR MANUFACTURING LOW-DENSITY SPHERES, AND RESISTANT TO HIGH EXTERNAL PRESSURE; SPHERES OBTAINED THEREBY AND LOW DENSITY MATERIAL THEREOF COMPRISING SUCH SPHERES |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2572986A1 FR2572986A1 (en) | 1986-05-16 |
FR2572986B1 true FR2572986B1 (en) | 1986-12-19 |
Family
ID=9309404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8417055A Expired FR2572986B1 (en) | 1984-11-09 | 1984-11-09 | METHOD FOR MANUFACTURING LOW-DENSITY SPHERES, AND RESISTANT TO HIGH EXTERNAL PRESSURE; SPHERES OBTAINED THEREBY AND LOW DENSITY MATERIAL THEREOF COMPRISING SUCH SPHERES |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2572986B1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0376884A3 (en) * | 1988-12-21 | 1991-06-05 | Ciba-Geigy Ag | Pourable granulate |
FI900713A (en) * | 1990-02-14 | 1991-08-15 | Rauma Repola Oy | TRYCKSAEKER SKALKONSTRUKTION FOER UNDERVATTENSTEKNIK, I SYNNERHET FOER DJUPHAVSTEKNIK. |
CN101172518B (en) * | 2007-10-26 | 2011-05-11 | 哈尔滨工程大学 | Overpressure resistant buoyant device in deep water |
GB2551197B (en) | 2016-06-10 | 2019-03-13 | Acergy France SAS | Controlling the buoyancy of a mass of buoyant spheres |
GB2575193B (en) | 2016-05-20 | 2020-07-01 | Acergy France SAS | Subsea buoyancy systems |
WO2018112504A1 (en) * | 2016-12-23 | 2018-06-28 | Matrix Composites And Engineering Ltd | Composite material |
CN112321316A (en) * | 2020-11-27 | 2021-02-05 | 中宝(西安)科技集团有限公司 | High-purity carbon fiber hollow sphere composite material and preparation method thereof |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2806509A (en) * | 1956-06-11 | 1957-09-17 | Goodyear Aircraft Corp | Sandwich structures |
US3477967A (en) * | 1966-03-28 | 1969-11-11 | Us Navy | Syntactic foam |
US3658030A (en) * | 1968-06-21 | 1972-04-25 | Schaper & Brummer Kg | Apparatus for coating discrete articles |
US3622437A (en) * | 1969-05-09 | 1971-11-23 | Gen Dynamics Corp | Composite buoyancy material |
US3934545A (en) * | 1971-11-15 | 1976-01-27 | Alpha Sheet Metal Works, Inc. | Apparatus for enrobing discrete objects |
DE2928512A1 (en) * | 1979-07-14 | 1981-01-29 | Roehm Gmbh | UV curable scratch resistant coatings for thermoplastics - contg. polyunsaturated monomer and a photoinitiator, with heating during irradiation to improve adhesion |
-
1984
- 1984-11-09 FR FR8417055A patent/FR2572986B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2572986A1 (en) | 1986-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
TP | Transmission of property |