A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A duct of a foamed blow-molded article that is constituted of a polyolefin-based resin with a bending elastic modulus of 800-1,300 MPa, that has an average apparent density (D) of 0.1 to 0.4 g/cm3 and an average thickness (T) [cm] providing D×T2 of 0.005 to 0.04 g/cm, and that has an outer surface side region and an inner surface side region having an average apparent density lower than that of the outer surface region.
A duct of a foamed blow-molded article that is constituted of a polyolefin-based resin with a bending elastic modulus of 800-1,300 MPa, that has an average apparent density (D) of 0.1 to 0.4 g/cm3 and an average thickness (T) [cm] providing D×T2 of 0.005 to 0.04 g/cm, and that has an outer surface side region and an inner surface side region having an average apparent density lower than that of the outer surface region.
Duct
KOIZUMI TATSUYA (author)
2015-06-16
Patent
Electronic Resource
English
IPC:
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
/
B29C
Formen oder Verbinden von Kunststoffen
,
SHAPING OR JOINING OF PLASTICS
/
B29K
Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D
,
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
/
B60H
ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES
,
Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht
/
F01N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL
,
Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein
/
F24F
Klimatisierung
,
AIR-CONDITIONING
OUTDOOR DUCT, CONSTRUCTION METHOD OF OUTDOOR DUCT, AND UNIT FOR DUCT
| European Patent Office | 2017