A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
SOUNDPROOFING MATERIAL
A soundproofing material including a porous body having a cell structure and including inorganic fibers other than asbestos, wherein an average cell diameter is more than 300 µm and 1000 µm or less, a bulk density is 0.007 to 0.024 g/cm 3 , and a flow resistivity is 170,000 to 2,000,000 Ns/m 4 .
SOUNDPROOFING MATERIAL
A soundproofing material including a porous body having a cell structure and including inorganic fibers other than asbestos, wherein an average cell diameter is more than 300 µm and 1000 µm or less, a bulk density is 0.007 to 0.024 g/cm 3 , and a flow resistivity is 170,000 to 2,000,000 Ns/m 4 .
SOUNDPROOFING MATERIAL
SCHALLDÄMMUNGSMATERIAL
MATÉRIAU D'INSONORISATION
MURAYAMA KAZUTAKA (author) / TSUKAHARA KEIJI (author) / SASAKI HIKARI (author) / TOMITSUKA YUUMA (author) / MIKI TATSURO (author) / ANDO DAISUKE (author)
2022-10-12
Patent
Electronic Resource
English
IPC:
G10K
Tonerzeugungsvorrichtungen
,
SOUND-PRODUCING DEVICES
/
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
C03C
Chemische Zusammensetzungen für Gläser, Glasuren oder Emails
,
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS
/
C04B
Kalk
,
LIME
| European Patent Office | 2016