US 11,812,779 B2
Device for forming a multi-flavor composite structure filter rod in one step and a method thereof using the device
Baoshan Yue, Kunming (CN); Jianbo Zhan, Kunming (CN); Tao Wang, Kunming (CN); Yanfei Shen, Kunming (CN); Ying Zhang, Kunming (CN); Zhenhua Yu, Kunming (CN); Hao Wang, Kunming (CN); Yongfa Gui, Kunming (CN); Jiao Xie, Kunming (CN); Han Zheng, Kunming (CN); Tingting Yu, Kunming (CN); Yao Yu, Kunming (CN); Jiang Yu, Kunming (CN); Liwei Li, Kunming (CN); and Xu Wang, Kunming (CN)
Assigned to CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD., Kunming (CN)
Filed by CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD., Kunming (CN)
Filed on Mar. 1, 2023, as Appl. No. 18/176,823.
Application 18/176,823 is a continuation of application No. PCT/CN2022/086367, filed on Apr. 12, 2022.
Claims priority of application No. 202210375737.6 (CN), filed on Apr. 11, 2022.
Prior Publication US 2023/0320411 A1, Oct. 12, 2023
Int. Cl. A24D 3/02 (2006.01); A24C 5/34 (2006.01)
CPC A24D 3/0287 (2013.01) [A24C 5/34 (2013.01); A24D 3/0216 (2013.01); A24D 3/0225 (2013.01); A24D 3/0233 (2013.01); A24D 3/0254 (2013.01); A24D 3/0266 (2013.01); A24D 3/0295 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A device for forming a multi-flavor composite structure filter rod in one step, comprising: a tow transmission belt, a tow guiding horn-shaped mouth, a tow assembly paper collection groove, a cigarette lap adhesive applying device, multi-flavor adding devices adding flavors to the filter rod, a locating and identifying device and a locating and cutting device downstream of the tow assembly paper collection groove, a locating and identifying probe on the locating and identifying device, and a control device electrically connected to the tow transmission belt, the multi-flavor adding devices, the tow guiding horn-shaped mouth, the tow assembly paper collection groove, the cigarette lap adhesive applying device, the locating and identifying device, and the locating and cutting device; wherein the multi-flavor adding devices are arranged in different sections to obtain one-step formation of the multi-flavor composite structure filter rods; the flavors comprise granular flavors, gel flavors and bead flavors; the tow guiding horn-shaped mouth is upstream of the tow assembly paper collection groove; the tow transmission belt enters from a larger opening of the tow guiding horn-shaped mouth into the tow guiding horn-shaped mouth and comes out from a smaller opening of the tow guiding horn-shaped mouth, which is close to an inlet opening of the tow assembly paper collection groove; forming paper enters from an inlet opening of the tow assembly paper collection groove; a granular flavor adding device is configured upstream of the tow guiding horn-shaped mouth, and the larger opening of the tow guiding horn-shaped mouth faces the granular flavor adding device; a gel flavor adding device is at the smaller opening of the tow guiding horn-shaped mouth; a bead flavor adding device is close to the inlet opening of the tow assembly paper collection groove; and the cigarette lap adhesive applying device is close to an outlet opening of the tow assembly paper collection groove.