http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-210160981-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_68cac1f07608a5e1156d79a75c574956 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B24C9-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B24C5-04 |
| filingDate | 2019-07-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-03-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fba673ea954bdf23f002ea5a5e774439 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7d011dd1069d68651b848ad21f7c9113 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1fdb02f43d4007583ebb9cb46e3c0b4f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_765c130eb13a4c96e0942fb20f0471d3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7fbd0a0a0bdbd344555604564ed17c76 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e22bb28d53f7e5389df8d1d98e2c747f |
| publicationDate | 2020-03-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-210160981-U |
| titleOfInvention | Nozzle combination device for rapidly grooving coal rock wall by using abrasive water jet |
| abstract | The nozzle combination device for rapidly grooving the coal rock wall by using the abrasive water jet comprises a groove depth cutting nozzle assembly and a groove width cutting nozzle assembly; the deep cutting spray head assembly is connected with the groove width cutting spray head assembly through a connecting rod. The utility model discloses use two split type shower nozzle combinations, utilize 4 of groove depth cutting shower nozzle subassembly to spout the tungsten steel head and go out left, in, three joint-cuts on the right side to the coal petrography wall, then utilize the two-way tungsten steel shower nozzle of groove width cutting shower nozzle group, from the wide joint-cut of centre to both sides with coal or rock surely fall, carry out the grooving operation of the different degree of depth and width according to concrete engineering dimensional requirement, realized convenient, quick coal petrography wall grooving, this equipment operation is convenient and practical, low cost, easily change into mature product and put into market fast. |
| priorityDate | 2019-07-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 25.