US 11,432,584 B2 · Method and apparatus to form a rod for an aerosol generating article from a sheet of material

Abstract

The present invention relates to a method to form a rod for an aerosol generating article from a sheet of material (11), the method comprising the steps of: crimping the sheet of material (11); flattening the crimped sheet of material (11) by forcing it to contact a sliding edge, transversally arranged with respect to a feed direction of the sheet of material (11); giving a substantially tubular shape to the flattened sheet of material (11); and forming the rod with the so-shaped sheet of material (11). The present invention also relates to an apparatus to form a rod for an aerosol generating article from a sheet of material (11).

Claims9

Dependent claims

A method to form a rod for an aerosol generating article from a sheet of material, the method comprising the steps of:

crimping the sheet of material;
flattening the crimped sheet of material by forcing it to contact a sliding edge, transversally arranged with respect to a feed direction of the sheet of material, including transporting the crimped sheet of material and putting it in contact with the sliding edge so that the sheet of material at least partly unfolds or extends;
giving a substantially tubular shape to the flattened sheet of material;
and
forming the rod with the so-shaped sheet of material.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/613,937Filed 18 May 2018

Priority

EP 1717182218 May 2017

Published

US 2020/0337367 A129 Oct 2020

Granted

6 Sep 2022

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

A24C 5/18
Machines of the continuous-rod type: forming the rod
A24C 5/01
Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes: making cigarettes for simulated…
A24D 3/0204
Manufacture of tobacco smoke filters: preliminary operations before the filter rod forming process, e.g. crimping, blooming
A24D 3/0229
Manufacture of tobacco smoke filters: filter rod forming processes

Method and apparatus to form a rod for an aerosol generating article from a sheet of material

Life of this patent

Method and apparatus to form a rod for an aerosol generating article from a sheet of material

Life of this patent

Abstract

Claims9