Method of producing filter rod sections or the like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

Method of producing filter rod sections or the like

阅读：985发布：2023-03-29

专利汇可以提供Method of producing filter rod sections or the like专利检索，专利查询，专利分析的服务。并且Filter rod sections are produced by moving a tow of filamentary filter material past a device which showers the filaments with atomized plasticizer and by thereupon converting the thus treated tow into a rod-like filler which is wrapped to form a filter rod. The latter is severed to yield a succession of filter rod sections which are transported by a fluted drum to storage or to a machine for the production of filter-tipped smokers'' products. Groups of filter rod sections are withdrawn from the flutes of the drum at regular intervals for weighing to thus determine the quantity of filter material and/or plasticizer. The results of the weighing operation are utilized to adjust the feeding mechanism for the tow and/or plasticizer if the measured quantities deviate from desired quantities. The feeding mechanism for the tow employs rolls which can be driven at a variable speed to thereby subject the filaments of the tow to a more or less pronounced stretching action. The feeding mechanism for the plasticizer employs a rotary brush which removes plasticizer from the periphery of a drum dipping into a supply of plasticizer, and a variable-speed drive for the drum.，下面是Method of producing filter rod sections or the like专利的具体信息内容。

权利要求

1. A method of making filter elements or analogous rod-shaped articles which are composed of at least one main component and at least one secondary component, particularly a secondary component which influences the condition of the main component, comprising the steps of converting effective quantities of main and secondary components into a rod; subdividing the rod into a succession of rod-shaped articles wherein the quantity of the main component is measurable independently of the quantity of the secondary component and vice versa; conveying the rod-shaped articles along a predetermined path; carrying out repeated measurements of the quantity of at least one component in selected rod-shaped articles; and regulating the quantity of at least one component in said converting step in accordance with the results of said measurements.

2. A method as defined in claim 1, wherein said regulating step comprises regulating the quantity of said secondary component.

3. A method as defined in claim 2, wherein said main component is a tow of filamentary filter material and said secondary component is applied to the surface of filaments which form said tow.

4. A method as defined in claim 1, further comprising the step of repeatedly removing selected articles from said path, said measuring step comprising weighing the thus removed rod-shaped articles.

5. A method as defined in claim 4, wherein said regulating step comprises adding in the course of said converting step a predetermined quantity of at least one component per unit of time.

6. A method as defined in claim 4, wherein said removing step comprises automatically expelling from said path predetermined numbers of rod-shaped articles.

7. A method as defined in claim 1, wherein said measuring step comprises weighing predetermined numbers of rod-shaped articles, comparing the thus obtained weight with a predetermined weight, and producing signals which are indicative of the difference between said weights, said regulating step comprising adjusting in said converting step the quantity of at least one component in dependency on said signals.

8. A method as defined in claim 1, wherein said measuring step is repeated at predeterminEd intervals.

9. A method of making rod-shaped filter elements which are composed of at least one main component of stretchable filamentary filter material and at least one secondary component, particularly a secondary component which influences the condition of the main component, comprising the steps of storing a supply of crimped filter material; continuously withdrawing a tow of filter material from said supply; subjecting the tow to a variable stretching action to thus regulate the crimp and to thereby determine the quantity of filter material in successive increments of the tow; converting effective quantities of stretched tow and secondary component into a rod; subdividing the rod into a succession of rod-shaped filter elements; conveying the filter elements along a predetermined path; carrying out repeated measurements of the quantity of at least one component in selected filter elements; and regulating the quantity of filter material in said converting step, including changing said stretching action in accordance with the results of said measurements.

10. A method as defined in claim 9, wherein said measuring step comprises producing signals which are indicative of the measured quantity and said regulating step comprises utilizing said signals to change sad stretching action when the signals deviate from a predetermined signal.

11. A method of making filter elements or analogous rod-shaped articles which are composed of at least one main component and at least one secondary component, particularly a secondary component which influences the condition of the main component, comprising the steps of converting effective quantities of main and secondary components into a first rod; subdividing the first rod into a succession of first rod-shaped articles; conveying the first rod-shaped articles along a predetermined path; converting effective quantities of all but one of said components into a second rod and subdividing the second rod into second rod-shaped articles of the same size and shape as the first articles; repeatedly measuring the quantity of at least one component in selected first articles, including separately weighing equal numbers of first and second articles, comparing the combined weight of first articles with the combined weight of second articles, and producing signals which are indicative of the difference between said weights; and regulating the quantity of at least one component in said first mentioned converting step in accordance with the results of said measurements, including regulating the quantity of at least one component in said first mentioned converting step in accordance with said signals.

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Method of producing filter rod sections or the like

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