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A platform for research: civil engineering, architecture and urbanism
Winding type ventilating duct and processing system thereof
The invention discloses a winding type ventilating duct which comprises at least one layer of skeleton layer formed after winding gridding cloth layer by layer. A cement mortar layer or a light calcined magnesia layer are coated on the skeleton layer. The winding type ventilating duct provided by the invention has the advantages of convenience in use and lower cost. The invention further disclosesa processing system of the winding type ventilating duct.
本发明公开了一种缠绕式通风道，所述缠绕式通风道包括网格布层层缠绕后形成的至少一层骨架层，且骨架层上涂覆有水泥砂浆层或轻烧氧化镁层。本发明的优点是：使用方便、成本较低。本发明还公开了该缠绕式通风道的加工系统。
Winding type ventilating duct and processing system thereof
The invention discloses a winding type ventilating duct which comprises at least one layer of skeleton layer formed after winding gridding cloth layer by layer. A cement mortar layer or a light calcined magnesia layer are coated on the skeleton layer. The winding type ventilating duct provided by the invention has the advantages of convenience in use and lower cost. The invention further disclosesa processing system of the winding type ventilating duct.
本发明公开了一种缠绕式通风道，所述缠绕式通风道包括网格布层层缠绕后形成的至少一层骨架层，且骨架层上涂覆有水泥砂浆层或轻烧氧化镁层。本发明的优点是：使用方便、成本较低。本发明还公开了该缠绕式通风道的加工系统。
Winding type ventilating duct and processing system thereof
缠绕式通风道及其加工系统
LYU DONGDONG (author)
2020-11-27
Patent
Electronic Resource
Chinese
IPC:
B29C
Formen oder Verbinden von Kunststoffen
,
SHAPING OR JOINING OF PLASTICS
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
Construction method of small-size section ventilating duct
| European Patent Office | 2015