	US 12,331,154 B2
	Curable resin and method and system for insulating electrical items therewith
Amedeo Ceresa, Birkenhead Merseyside (GB)
Assigned to AEV Holdings Limited, (GB)
Appl. No. 17/291,277
Filed by AEV HOLDINGS LTD, Birkenhead Merseyside (GB)
PCT Filed Nov. 4, 2019, PCT No. PCT/IB2019/059444 § 371(c)(1), (2) Date May 4, 2021, PCT Pub. No. WO2020/095174, PCT Pub. Date May 14, 2020.
Claims priority of application No. 1818050 (GB), filed on Nov. 5, 2018.
Prior Publication US 2022/0002471 A1, Jan. 6, 2022
Int. Cl. C08G 59/06 (2006.01); B05D 1/02 (2006.01); B05D 1/18 (2006.01); B05D 1/28 (2006.01); B05D 3/04 (2006.01); B05D 7/02 (2006.01); C08G 59/02 (2006.01); C08G 59/50 (2006.01); C08G 59/68 (2006.01); C08L 63/00 (2006.01); C09D 163/00 (2006.01); C09J 163/00 (2006.01); H01B 3/40 (2006.01); H01B 19/02 (2006.01)

CPC C08G 59/063 (2013.01) [C08G 59/022 (2013.01); C08G 59/68 (2013.01); H01B 3/40 (2013.01); H01B 19/02 (2013.01)]

27 Claims

1. A system for producing an item of electrical equipment, comprising:

i) a first heating chamber for pre-heating the item;

ii) a tank for a resin;

iii) an impregnation chamber, wherein the impregnation chamber comprises a centrifuge connected to the resin tank via connecting tubes, and wherein the centrifuge includes a rotor disposed within the impregnation chamber that holds the item suspended in an upright position along a rotor axis;

iv) a first vacuum pump operatively connected to the impregnation chamber;

v) a second heating chamber for gelling the resin impregnated item by heating through magnetic induction;

vi) one or more curing ovens that heat the resin impregnated item, in a stepped manner, to a temperature of about 165° C. to 200° C.; and

vii) a cooling chamber where the item is cooled.