Cigarette-making machinery专利检索-过滤丝束烟草制品及加工专利检索查询-专利查询网

Cigarette-making machinery

阅读：407发布：2023-04-10

专利汇可以提供Cigarette-making machinery专利检索，专利查询，专利分析的服务。并且The invention is concerned with an apparatus and a method for the treatment of cut tobacco in a cigarette-making machine in which a stream of tobacco strands carried in a stream of air is subjected to microwave-radiation energy by passing it through a radiation chamber. Suitably, the wavelength of the microwave energy is in the range from 10 to 100 cms. and the stream of air carrying the tobacco is directed through the chamber at a substantial distance from the chamber walls where the energy level is low. The path of the tobacco strands through the chamber is defined by a pair of confronting end walls having straight inlet and outlet portions at their ends, and an arcuate portion therebetween that is convex toward a wave-guide that terminates in an outlet communicating with the interior of the chamber. The straight portions serve as microwave-retaining filters and the confronting walls are transparent to the passing of microwaves therethrough. A rotating fan is positioned to the passing of microwaves therethrough. A rotating fan is positioned in the chamber between the confronting walls and the energy inlet and serves to cool the adjacent arcuate wall. Tobacco leaving the chamber is formed into a filler stream and into a rod from which cigarettes may be cut.，下面是Cigarette-making machinery专利的具体信息内容。

权利要求

1. A microwave apparatus mounted on a cigarette-making machine for treatment of cut tobacco comprising: means providing a radiation chamber having inlet and outlet openings for tobacco strands at opposite ends thereof formed therein and a pair of confronting arcuate walls positioned in spaced relation to each other and formed of a material transparent to microwave energy, said walls being mounted in the chamber to the inlet and outlet openings at their respective ends so as to define a path for passing a stream of tobacco strands means providing stream of air for carrying said tobacco stream therethrough; means for generating microwave radiation energy mounted to the chamber and means for directing the radiation energy into and through the radiation chamber whereby the tobacco between said walls is subjected to radiation energy which renders the tobacco strands more pliable.

2. The apparatus according to claim 1 wherein the means for generating microwave energy produces a wave length of microwave energy in the range of from 10 to 100 cms.

3. The apparatus according to claim 1 wherein the walls defining the path for passing the stream of tobacco strands carried on a stream of air through the chamber is disposed in the radiation chamber at a distance remote from a microwave generating means.

4. The apparatus according to claim 1 wherein the walls defining said path for passing said stream of tobacco strands carried on said stream of air through said chamber extend across the chamber, the walls being convex with respect to the side of the chamber from which the microwave generating means is mounted.

5. The apparatus of claim 1 wherein a fan is mounted within the radiation chamber so that portions of the fan lie within the path of the microwave generating means.

6. The apparatus of claim 1 wherein the radiation chamber has mounted adjacent the inlet and outlet openings microwave filter means for the stream of tobacco-carrying air in order to retain the microwave energy within the chamber.

7. A method of treating cut tobacco in a cigarette-making machine comprising: passing a stream of tobacco strands carried in a stream of air into and through a microwave radiation chamber conducting the tobacco strands along an arcuate path defined by a pair of spaced confronting walls made of a material transparent to microwave energy, theN subjecting the tobacco strands to microwave radiation energy from said source while said tobacco is conducted along said path whereby the treated tobacco strands are rendered more pliable.

8. A microwave apparatus mounted on a cigarette making machine for treatment of cut tobacco comprising: a radiation chamber having inlet and outlet openings formed therein and a pair of confronting walls positioned in spaced relation to each other and formed of a material transparent to microwave energy, pneumatic and mechanical means for passing a stream of air and tobacco strands between said walls, said walls being mounted in the chamber to the inlet and outlet openings at their respective ends so as to define a path for passing said stream therethrough; means for generating microwave radiation energy mounted to the radiation chamber; means for directing the radiation energy through the radiation chamber whereby the tobacco in said stream is subjected to radiation energy which renders the tobacco strands more pliable; said spaced walls being curved from the inlet opening to the outlet opening such that the convex portion of the curve lies toward the side of the radiation chamber from which the microwave energy generating means is mounted.

9. A microwave apparatus mounted on a cigarette-making machine for the treatment of cut tobacco comprising: a radiation chamber having inlet and outlet openings and a pair of confronting walls positioned in spaced relation to each other and formed of a material transparent to the microwave energy, pneumatic and mechanical means for passing a stream of air and tobacco strands between said walls, said walls being mounted in the chamber to the inlet and outlet openings at their respective ends so as to define a path for passing said stream therethrough; means for generating microwave radiation energy mounted to the radiation chamber; and means for directing the radiation energy through the radiation chamber whereby the tobacco is subjected to radiation energy which renders the tobacco strands more pliable; microwave filter means mounted to the chamber and positioned adjacent the inlet and outlet openings for the air and tobacco stream in order to retain microwave energy within the radiation chamber.

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Cigarette-making machinery

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