US 12,243,672 B2
Coil former for improved winding window utilization
Andreas Oberrauch, Eppan (IT); Bernhard Kofler, Eppan (IT); and Tizian Senoner, Eppan (IT)
Assigned to ALPITRONIC SRL, Bolzano (IT)
Filed by ALPITRONIC SRL, Bolzano (IT)
Filed on Jan. 30, 2024, as Appl. No. 18/426,808.
Claims priority of provisional application 63/441,908, filed on Jan. 30, 2023.
Prior Publication US 2024/0258010 A1, Aug. 1, 2024
Int. Cl. H01F 27/30 (2006.01); H01F 27/06 (2006.01); H01F 27/28 (2006.01)
CPC H01F 27/06 (2013.01) [H01F 27/2823 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A coil former, comprising:
a tube comprising a winding surface,
wherein the winding surface comprises a boundary edge with the boundary edge disposed on a flat surface and formed an end of the tube, and
wherein the winding surface is configured for winding a coil wire with the coil wire contacting or disposing at a vicinity of the flat surface; and
a first flange coupled to a first portion of the boundary edge,
wherein the first flange is extended from the first portion of the boundary edge for constraining the coil wire within the winding surface, and
wherein the first flange is configured to expose a portion of the coil wire and a second portion of the boundary edge, with the portion of the coil wire disposed on a first portion of the winding surface comprising the second portion of the boundary edge; and
a support disposed inside the tube for supporting two separate portions of the winding surface,
wherein the support comprises a second flange extending outside the end of the tube, the second flange comprising a portion extended in directions comprising a component perpendicular to the two separate portions of the winding surface.