US 11,832,748 B2
PET (polyethylene terephthalate) coated wire hanger and apparatus and method of manufacturing the same
Hak Su Kim, Gyeonggi-do (KR)
Filed by Hak Su Kim, Gyeonggi-do (KR)
Filed on Dec. 4, 2020, as Appl. No. 17/111,954.
Claims priority of application No. 10-2020-0147527 (KR), filed on Nov. 6, 2020.
Prior Publication US 2022/0142387 A1, May 12, 2022
Int. Cl. A47G 25/24 (2006.01); A47G 25/36 (2006.01); B29C 48/79 (2019.01); B29C 48/154 (2019.01); B29C 48/88 (2019.01); B29K 67/00 (2006.01); B29L 31/00 (2006.01)
CPC A47G 25/24 (2013.01) [A47G 25/36 (2013.01); B29C 48/154 (2019.02); B29C 48/79 (2019.02); B29C 48/911 (2019.02); B29C 48/919 (2019.02); B29K 2067/003 (2013.01); B29L 2031/735 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A PET coating apparatus for a wire used for a hanger comprising:
a preheating device for preheating a cleaned wire having a diameter of 2.0 to 2.5 mm to 220 to 250° C.;
an extruder and a dice for coating the preheated wire with PET to form a PET coating having a thickness of 0.03 to 0.05 mm;
a cooling bath for cooling a PET-coated wire; and
a winding device for drawing out and winding the cooled wire.