国家/地区 韩国（5）
IPC部 E（5）
IPC大类 C08（3） E04（3） C04（2）
E01（2）
IPC小类 C08K（3） C04B（2） E04F（2）
IPC C08K003/04（3） C04B014/02（2） C08K003/016（2）
C08K003/06（2） C08K003/36（2） C08K007/26（2）
E04F015/20（2）
发明人 HO S J（2）
公开年 2023（5）
申请年 2022（5）
专利权人 JUSHIN ENG C.（2）

Inter-floor noise prevention system of house useful for preventing noise generated in upper floor from being transmitted to the lower floor, comprises sound absorbing plate installed on concrete slab, and sound wave vibration blocking plate.

HO S J

Heat-resistant concrete structure used in road icing prevention system, has embedded heater inserted into side of concrete body i.e. formed with heater embedded groove in which heater is seated to have predetermined embedded depth.

TAEHUN K, SAGONGMYUNG, PARK J W, YOO H J, LEE D K, KANG S J, KIMCHANGJOO

Interfloor noise prevention construction method of house for preventing noise generated in upper floor comprises constructing buffer and anti-vibration structure on upper surface of concrete slab to minimize noise.

HO S J

Sandwich panel comprises core material comprising insulating material comprising material e.g. polystyrene and polyurethane, plate components made of phenolic polymer or phenolic copolymer resin, scratch grooves, and adhesive layer.

HAN S, HAN K

Manufacture of guardrail used for inside or outside of main line rail, involves pre-treating guardrail, painting pre-treated surface of guardrail with powder coating containing weather resistant polyester resin, curing agent and curing accelerator, heat treating and drying painted guide rail.

JANG S W