http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-2818105-C
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a4702519b9974cd75a1ce76eabc80d99 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B33-085 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-03 |
| filingDate | 2011-03-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-08-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9dab17e679468c6c7321c240c2bc6aea http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3b0c97fe2dc6724ca3db48995401005d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7cf7f92d0e9cd7e55f44730f781b692f |
| publicationDate | 2015-08-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-2818105-C |
| titleOfInvention | Rcd sealing elements with multiple elastomer materials |
| abstract | A sealing element for a rotating control device is disclosed, wherein the sealing element has an inner surface which forms a drillstring bore extending axially through the sealing element, an attachment end having a receiving cavity extending into the attachment end substantially parallel with the drillstring bore, a nose end opposite from the attachment end, wherein the nose end has an inner diameter smaller than the inner diameter of the attachment end, a throat region between the attachment end and the nose end, at least one soft elastomer region comprising a soft elastomer material having a hardness of 70 duro or less, and at least one stiff elastomer region comprising a stiff elastomer material having a hardness greater than 70 duro. |
| priorityDate | 2010-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 18.