| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_948a23a149a81a6a15bd50c725199543 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T29-49375
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T29-49373 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B21D39-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B21D53-085
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F28F9-165
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F28F11-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F28D1-05366 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B21D53-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F28F9-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F28D1-053
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B21D39-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F28F1-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B23P21-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F28F1-32 |
| filingDate |
1990-03-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1993-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b4f3d41b9f795c083bc60443a699dfbe
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d3df2227299d1967b7932a0d7429dc89 |
| publicationDate |
1993-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0387678-B1 |
| titleOfInvention |
Heat exchanger and process for the watertight fixation of heat exchange elements to an end plate |
| abstract |
The invention relates to a heat exchanger comprising a heat exchanger grid having a multiplicity of oval tubes (3), and a baseplate attached to said grid by widening the tubes (3). The ratio of the diameters of the tubes (3) is 2.5 : 1 to 8 : 1 inside the heat exchanger grid, and 1.2 : 1 to 3 : 1 inside the perforations of the baseplate. A process for fixing such heat exchanger grids to a baseplate is also described. This process is characterised in that before being widened the tube ends are deformed from outside by applying pressure with the aid of a special pressure tool (15, 15a,b), with the result that their cross-sections are reduced parallel to the maximum diameter but increased, by contrast, parallel to the minimum diameter. <IMAGE> |
| priorityDate |
1989-03-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |