Method and apparatus for making cigarettes with soft cores
AssigneeKorber AG
InventorsWolfgang Steiniger, Manfred Goldbach
Life of this patent
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Abstract
Cigarettes with soft cores are produced by forming a continuous stream having a U-shaped cross-sectional outline and advancing the stream along a stationary mandrel and past a shower of tobacco which conceals the mandrel and forms with the stream a ring-shaped filler which is stripped off the mandrel, draped into a web of cigarette paper and subdivided into cigarettes of desired length.
Claims45
A method of producing rod-shaped articles of the tobacco processing industry from fibrous material, particularly tobacco, with a mandrel of non-smokable material, comprising the steps of forming a continuous fibrous stream having a substantially U-shaped cross-sectional outline with a longitudinally extending cavity and two legs flanking the cavity;
- advancing the stream along the mandrel so that the mandrel at least partially fills the cavity;
- showering fibrous material against the moving stream so as to confine the cavity and the mandrel and thereby transform the stream into a filler having a ring-shaped cross-sectional outline;
- separating the filler from the mandrel;
- draping the separated filler into a web of wrapping material;
- and subdividing the draped filler into rod-shaped articles of predetermined length.
Apparatus for producing rod-shaped articles of the tobacco processing industry from fibrous material, particularly tobacco, comprising an elongated mandrel;
- means for forming a continuous fibrous stream having a substantially U-shaped cross-sectional outline with a longitudinally extending cavity and two legs flanking the cavity;
- means for advancing the stream along the mandrel so that the mandrel at least partially fills the cavity;
- means for showering fibrous material against the moving stream so as to confine the cavity and the mandrel and thereby transform the stream into a filler having a ring-shaped cross-sectional outline;
- and means for draping the filler into a web of wrapping material.
A method of prodcing rod-shaped articles of the tobacco processing industry from fibrous material, particularly tobacco, with a mandrel of non-smokable material, comprising the steps of forming a continuous fibrous stream having a substantially U-shaped cross-sectional outline with a longitudinally extending cavity and two legs flanking the cavity, including admitting fibrous material into the groove of a first driven endless conveyor so that the cavity of the resulting stream is confined, and thereupon transferring the stream onto a second driven endless conveyor on which the cavity is exposed so that it can receive the mandrel;
- advancing the stream along the mandrel so that the mandrel at least partially fills the cavity;
- feeding fibrous material against the moving stream so as to confine the cavity and the mandrel and thereby transform the stream into a filler having a ring-shaped cross-sectional outline;
- separating the filler from the mandrel;
- draping the separated filler into a web of wrapping material;
- and subdividing the draped filler into rod-shaped articles of predetermined length.
Apparatus for producing rod-shaped articles of the tobacco processing industry from fibrous material, particularly tobacco, comprising an elongated mandrel;
- means for forming a continuous fibrous stream having a substantially U-shaped cross-sectional outline with a longitudinally extending cavity and two legs flanking the cavity, said forming means comprising a driven endless conveyor and said conveyor comprising a rotary wheel having a circumferential stream-forming groove including a central portion having a first depth and two marginal portions flanking said central portion and having a greater second depth;
- means for advancing the stream along the mandrel so that the mandrel at least partially fills the cavity;
- means for feeding fibrous material against the moving stream so as to confine the cavity and the mandrel and thereby transform the stream into a filler having a ring-shaped cross-sectional outline;
- and means for draping the filler into a web of wrapping material.
Apparatus for producing rod-shaped articles of the tobacco processing industry from fibrous material, particularly tobacco, comprising an elongated mandrel;
- means for forming a continuous fibrous stream having a substantialy U-shaped cross-sectional outline with a longitudinally extending cavity and two legs flanking the cavity, said forming means comprising a source of fibrous material, a first driven endless conveyor, means for delivering fibrous material from said source to said first conveyor to form thereon a narrow flow of fibrous material, and a second driven endless conveyor arranged to transform the flow into said stream;
- means for advancing the stream along the mandrel so that the mandrel at least partially fills the cavity;
- means for feeding fibrous material against the moving stream so as to confine the cavity and the mandrel and thereby transform the stream into a filler having a ring-shaped cross-sectional outline;
- and means for draping the filler into a web of wrapping material.
Dependencies are inferred from the claim text.