Device for forming a multi-flavor composite structure filter rod in one step and a method thereof using the device
US11812779B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2023 |
| Grant date | Nov 14, 2023 |
| Priority date | — |
| Expiry date | Mar 1, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/0295
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present disclosure concerns a device for forming a multi-flavor composite structure filter rod in one step, including the following components: a tow transmission belt, a tow guiding horn-shaped mouth, a tow assembly paper collection groove, a cigarette lap adhesive applying device and multi-flavor adding devices. According to shapes and types of flavors, the multi-flavor adding devices are arranged in different sections to obtain one-step formation of the multi-flavor composite structure filter rods. The present disclosure also discloses a one-step method of forming the multi-flavor composite structure filter rod using the one-step forming device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.