INTAKE FILTER FOR VEHICLE AND MANUFACTURING METHOD THEREOF

• Main Authors: Kim, Soo Hyun, Chung, Hyong Do, Jung, Jung Wu, Hwang, Kyung Ho, Kim, Dong Eun, Kim, Young Hae, Seo, Yong Gyo, Ahn, Sang Jun, Kim, Nam Hoon, Jang, Yong Seok
• Format: Patent
• Language: English
• Published: 09.11.2023
• Subjects: APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; BRAIDING; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; COTTON-WOOL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS; KNITTING; LACE-MAKING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL; NATURAL OR ARTIFICIAL THREADS OR FIBRES; NON-WOVEN FABRICS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; SPINNING; TEXTILES; TRANSPORTING; TRIMMINGS; WADDING

A shaped cross-section composite fiber for an intake filter is manufactured from a single material of polypropylene, without separate binder processing by using the single material of polypropylene as a filter material. The shaped cross-section composite fiber includes: a sheath comprising a reformed polypropylene resin; and a core comprising a polypropylene resin, where the sheath and the core are combined to provide a sheath-core structure.