国家/地区 中国（2） 韩国（2）
IPC部 A（4）
IPC大类 A42（4） C08（4） C09（2）
C22（2）
IPC小类 A42B（4）
IPC C08L023/06（4）
发明人 CHOI J H（2） FANG Y（2） HWAN J E（2）
JO C W（2） KIM H D（2） REN S（2）
TIAN K（2）
公开年 2019（2） 2023（2）
申请年 2019（2）  2022（2） 
专利权人 HEFEI MINGYO.（2）

Breathable and waterproof safety helmet for inspection and diagnosis comprises safety helmet body that can be worn by workers performing safety inspection and diagnosis and has ventilation holes formed in the thickness direction.

CHOI J H, JO C W, KIM H D, HWAN J E

Waterproof helmet used in safety inspection and diagnosis applications, comprises helmet component, and waterproof film including concave-convex portion bonded to component through adhesive comprising crosslinking agent, viscosity modifier, tackifier, polypropylene and heat-resistant polyamide resin.

CHOI J H, JO C W, KIM H D, HWAN J E

Helmet comprises outer helmet component obtained using e.g. novolac epoxy resin and dinonylnaphthalene disulfonic acid, inner lining component obtained using e.g. graphene and polylactic acid polymer, and buffer bracket.

TIAN K, REN S, FANG Y

High-strength helmet comprises outer helmet component obtained using e.g. novolac epoxy resin and dinonylnaphthalene disulfonic acid, inner lining component obtained using e.g. graphene and polylactic acid polymer, and buffer bracket.

TIAN K, REN S, FANG Y