US 12,186,951 B2
Apparatus for molding
Dongcheol Kim, Seoul (KR); Sanghwon Jung, Seoul (KR); and Youngjong Kim, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Aug. 20, 2021, as Appl. No. 17/407,625.
Claims priority of application No. 10-2020-0107913 (KR), filed on Aug. 26, 2020.
Prior Publication US 2022/0063160 A1, Mar. 3, 2022
Int. Cl. B29C 45/26 (2006.01)
CPC B29C 45/2618 (2013.01) [B29C 45/26 (2013.01); B29C 45/2606 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An apparatus for molding a rotating member including (i) a column part that extends from a first end portion toward a second end portion and (ii) a plurality of blades that are disposed at an outer circumferential surface of the column part and that are extended and being inclined to a first direction of a circumferential direction of the column part, the apparatus comprising:
a main mold including (i) a column part space configured to mold the column part therein and (ii) a plurality of blade spaces configured to mold the plurality of blades therein,
wherein the main mold further comprises:
a plurality of split bodies that are disposed along the circumferential direction of the column part and that are configured to move along a radial direction of the column part,
wherein each of the plurality of split bodies comprises:
a column part molding surface defining the column part space, and
a plurality of blade molding surfaces defining the blade space,
wherein column part molding surfaces of the plurality of the split bodies define the column part space together,
wherein a first blade molding surface provided at one of the plurality of split bodies defines, together with a second blade molding surface provided at another one of the plurality of split bodies, one of the plurality of blade spaces,
wherein a number of the plurality of the split bodies corresponds to a number of the plurality of blade spaces,
wherein the plurality of the split bodies comprises:
a first split body,
a second split body disposed adjacent to the first split body in the first direction, and
a third split body disposed adjacent to the first split body in a second direction opposite to the first direction,
wherein the plurality of the blade spaces comprise a first blade space, and
wherein blade molding surfaces of the first split body, the second split body, and the third split body define the first blade space.