国家/地区 中国（4）
IPC部 B（4）
IPC大类 B28（4） C04（4）
IPC小类 B28B（4）
IPC C04B028/04（3） B28B003/02（2） B28B013/02（2）
C04B018/16（2） C04B111/40（2）
发明人
公开年 2022（4）
申请年 2021（4）
专利权人

Assembled semi-flexible asphalt concrete road bed block used for bearing and fixing sleeper to form road bed, has groove whose bottom part is embedded with bolt, where grooves in each channel bed base body and adjacent grooves in other channel bed base body jointly bear rail bearing.

PENG G, CHENG J, GONG M, DENG C, XIONG Z, ZHU X, CHU C, HONG J

Fireproof flame retardant macromolecule light building outer wall insulating composite plate useful in building industry, comprises e.g. inorganic material, common silicate cement, heat absorbing agent, waste material, silicon-based nano-powder, heat-absorbing agent, additive and water.

REN J, WANG Y, HOU Y

Concrete drainage pipe comprises regenerated aggregate, fly ash, aluminum powder and fine sand with preset fineness, fine coal gangue, lime, gypsum, diatomaceous earth, cement, nano-silica, graphene oxide, redispersible latex powder, crushed stone, plasticizer, water-reducing agent and water.

HE Y

Concrete wall portion temperature difference generating device has heat collecting system that is provided with blue film plate and red copper flow passage that is set between blue film plate and graphene-concrete wall portion.

TONG Z, MU S, FENG C, FAN Y