US 11,680,705 B2
Flame-resistant wick
Wei Cheng Wu, Taichung (TW)
Assigned to Pro-Iroda Industries, Inc., Taichung (TW)
Filed by Pro-Iroda Industries, Inc., Taichung (TW)
Filed on Apr. 26, 2021, as Appl. No. 17/239,842.
Application 17/239,842 is a continuation of application No. 16/515,146, filed on Jul. 18, 2019, granted, now 11,079,104.
Claims priority of application No. 108121643 (TW), filed on Jun. 21, 2019.
Prior Publication US 2021/0247065 A1, Aug. 12, 2021
Int. Cl. F23D 3/00 (2006.01); F23D 3/08 (2006.01); F23D 3/40 (2006.01)
CPC F23D 3/08 (2013.01) [F23D 3/40 (2013.01); F23D 2900/03082 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A flame-resistant wick comprising:
a hollow chamber; and
at least one capillary structure surrounding the hollow chamber and interlaced by a plurality of wire strands into a tubular shape, with each of the plurality of wire strands consisting of a plurality of core wires made of a material having a melting point of not less than 800° C.;
wherein the plurality of wire strands includes a plurality of first wire strands and a plurality of second wire strands interlaced with one another, and wherein each of the plurality of first wire strands interlaces with at least one of the plurality of second wire strands to form an acute angle, wherein the at least one capillary structure is flexible and bent into a U shape to form an igniting end and two drawing ends located opposite to the igniting end.