| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0fef44b3db40a6d57347ff39fd138f6f |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A24D3-0295 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A24D3-02 |
| filingDate |
1974-12-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1976-08-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9bbc4e7f86c073573b6465dccdce18f8 |
| publicationDate |
1976-08-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3974007-A |
| titleOfInvention |
Method and apparatus for the production of filter rod sections or the like |
| abstract |
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 Groups of filter rod sections are withdrawn from the flutes of the drum at regular intervals for weighing to thus determine the quantity of filter material and/or plasticizer.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. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5234397-A
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-3149670-A1
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6258168-B1 |
| priorityDate |
1970-04-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |