Patent ID: 11938765
Assignee: KOLON INDUSTRIES, INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  D | IPC B  D

Claim 7:
8. A preparation method of a hybrid tire cord comprising:
a first step of preparing a hybrid yarn by doubling a first multifilament yarn and a first spun yarn;
a second step of preparing a first Z-twisted yarn by Z-twisting the hybrid yarn;
a third step of preparing a second Z-twisted yarn by Z-twisting a second multifilament yarn; and
a fourth step of preparing a cabled yarn by S-twisting the first Z-twisted yarn and the second Z-twisted yarn together,
wherein the first multifilament yarn is an aramid multifilament yarn,
the first spun yarn is an aramid spun yarn, and
the second multifilament yarn is a nylon multifilament yarn or a polyester multifilament yarn.