US 11,890,794 B2
Manufacturing method and mold for artificial shuttlecock
Shu-Jung Chen, Taipei (TW); Chao-Ming Chen, Taipei (TW); Tzu-Wei Wang, Taipei (TW); Hsin-Chen Wang, Taipei (TW); and Yi-Ling Hou, Taipei (TW)
Assigned to Victor Rackets Industrial Corp., Taipei (TW)
Filed by Victor Rackets Industrial Corp., Taipei (TW)
Filed on Oct. 20, 2022, as Appl. No. 17/969,881.
Claims priority of application No. 110144061 (TW), filed on Nov. 25, 2021.
Prior Publication US 2023/0158722 A1, May 25, 2023
Int. Cl. B29C 45/37 (2006.01); B29C 45/14 (2006.01); B29C 45/26 (2006.01); B29L 31/52 (2006.01)
CPC B29C 45/14467 (2013.01) [B29C 45/14008 (2013.01); B29C 45/263 (2013.01); B29L 2031/52 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A manufacturing method for an artificial shuttlecock, comprising:
providing a semi-finished shuttlecock, the semi-finished shuttlecock comprising a ball head, a plurality of stems and a plurality of feathers, one end of each of the stems inserted at the ball head, the feathers connected to one other end of each of the stems;
placing the semi-finished shuttlecock in a male mold, the male mold comprising a cone frustum and a plurality of first annular grooves, the first annular grooves disposed apart on an outside of the cone frustum, the semi-finished shuttlecock disposed on the outside of the cone frustum;
placing the semi-finished shuttlecock and the male mold into a female mold, the female mold comprising a tapered slot, a plurality of second annular grooves and an injection channel, the second annular grooves disposed apart on an inner surface of the tapered slot, the injection channel communicating with the second annular grooves, each of the first annular grooves corresponding to each of the second annular grooves to form a plurality of molded grooves, the molded grooves communicating with the injection channel through the second annular grooves; and
injecting a plastic material from the injection channel, the plastic material solidifying in the molded grooves to form a plurality of connecting, members.