The forming apparatus comprises a forming device with a tubular element adapted to form continuous tow material into a continuous tubular rod. The forming device comprises a fluid compressor for generating pressurized fluid, the fluid compressor being in fluid connection with the tubular element to provide pressurized fluid to the continuous tubular rod to heat or cool the continuous tubular rod. The forming device further comprises several fluid conduits to provide pressurized fluid from the fluid compressor to several injection sites arranged along the transport path, wherein at least two fluid conduits of the several fluid conduits comprise a pressure control unit including a pressure sensor and a pressure influencer.

An apparatus for manufacturing of rods of a continuous material strand comprising a feeding unit for feeding material strand, a guiding unit for guiding material strand, a compressing unit for compressing the strand and forming a continuous rod of the material strand, and an object feeding unit for feeding an object to the compressing unit. The apparatus is characterised by being provided with a cutting unit for lengthwise cutting of the material strand into at least two partial strands, whereas the partial strands are fed through the guiding unit to the compressing unit. It is provided with a system for adjusting the position of at least one cutting element in the cutting unit so as to adjust the widths of the partial strands thus determining the point of insertion of the object being inserted.

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.

A method of producing a flavoured tobacco smoke filter or filter element comprising a self-sustaining longitudinally extending cylindrical core comprising fibres or filaments of tobacco smoke filtering material which are bonded at their points of contact; the method comprising a step of applying a flavouring agent to a longitudinally advancing flow of filters and/or filter elements and/or multiple filter rods. Filters and filter elements are also provided.

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.

A device and method for preparing a fully granular cigarette/filter rod, and a prepared fully granular cigarette/filter rod are disclosed. In certain embodiments, negative pressure is used to adhere granular material onto a mesh-type conveyor belt. The granular material is preliminarily formed into fully granular cigarette/filter rod material by means of a pre-forming apparatus; the fully granular cigarette/filter rod material, traveling with the mesh-type conveyor belt, enters into a forming cavity, and undergoes heating and humidifying treatment, and a continuous solid porous substance is formed; the continuous solid porous substance is moved into the cooling/drying cavity, drying and cooling treatment are performed under the action of negative pressure, and a fully granular cigarette/filter rod with strong adhesion, porosity, permeability, and appropriate moisture is obtained.

A feeding device (8, 8′, 8″, 8′″) for feeding a continuous strip (9) into a continuous fibrous band, in a tobacco industry machine for manufacturing rod-like elements, wherein the fibrous band is formed to a form of a continuous rod (CR) comprising the continuous strip (9) surrounded by the continuous fibrous band, the feeding device (8, 8′, 8″, 8′″) comprising: a strip supply unit (10) for feeding the continuous strip (9); a strip feeding unit (11) for feeding the continuous strip (9) into the middle of the continuous fibrous band; wherein the feeding device (8, 8′, 8″, 8′″) is configured such that the strip feeding unit (11) is located in the machine for manufacturing the rod-like elements between a fibrous band preparation unit (4) and a garniture unit (15) for forming the continuous rod. The feeding device (8, 8′, 8″, 8′″) further comprises: a feeding wheel (7), having a circumferential surface (20) comprising a cylindrical guiding surface (20A) for guiding the continuous strip (9); and guiding surfaces (21A; 22A; 31A; 32A; 41A; 42A; 51A; 52A). The guiding surfaces (21A; 22A; 31A; 32A; 41A; 42A; 51A; 52A) and the cylindrical guiding surface (20A) form a duct for guiding the continuous strip (9).

An apparatus and method for forming a rod member used to manufacture cigarette filter elements, involve an insertion device for inserting objects into and along the rod member formed from a continuous filter material supply. The insertion device includes an insertion member adjacent to the filter material supply and defining a series of receptacles about a periphery thereof. The insertion member rotates in a first rotational direction to receive the objects in the receptacles at a first rotational position and to insert the objects from the receptacles into the rod member at a second rotational position. A cleaning element is adjacent to the insertion member between the second and first rotational positions in the first rotational direction, and engages each of the receptacles upon rotation of the insertion member between the second and first rotational positions to remove residual material from the receptacles prior to the first rotational position.

The method for drying filter rods comprises the steps of providing a filter rod, providing a support surface (2) for receiving the filter rod (4) and guiding the filter rod on the support surface by a guide element (1) arranged above the support surface. The method further comprises the step of supplying a gas stream of compressed gas having a pressure between 0 and 6 bar to the filter rod through the guide element when the filter rod is transported along the support surface, before wrapping the filter rod with a wrapping material (5).

A machine for manufacturing tobacco industry filter rods, the filter rods comprising single-length longitudinal objects, wherein the machine comprises: a preparation unit for preparing a strand of filtering fibers; a forming unit for forming a continuous filter rod from the strand of the filtering fibers; a feeding unit for feeding multiple-length longitudinal objects; a cutting unit for cutting the multiple-length longitudinal objects into the single-length longitudinal objects; a transferring unit for transferring the single-length longitudinal objects; a positioning unit for placing the single-length longitudinal objects in the continuous filter rod while it is being formed; a cutting head for cutting the formed continuous filter rod that comprises the filtering fibers and the single-length longitudinal objects, into individual filter rods. The cutting unit for cutting the multiple-length longitudinal objects into the single-length longitudinal objects comprises a multi-flute drum conveyor.