http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1483758-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b4a620a89d9586ae435054861d4aa097 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2260-011 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2203-0646 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2201-0109 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2203-0617 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2223-0123 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2201-058 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2201-056 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2270-0194 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2260-053 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2260-012 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2223-036 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2223-035 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2270-0745 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C2203-0648 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B21D51-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17C1-14 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B21D51-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F17C1-14 |
| filingDate | 1974-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1977-08-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1483758-A |
| titleOfInvention | Containers of aluminium-based alloy |
| abstract | 1483758 Heat-treating aluminium alloy SOC METALLURGIQUE DE GERZAT 22 July 1974 [25 July 1973] 32315/74 Heading C7A [Also in Division B3] Cylindrical containers (particularly gas bottles) are formed from alloy AU6 MGT which contains in wt. per cent. Cu 5 -7 Mn 0À05-0À5 Mg 0À1 -0À5 Ti 0À05-0À25 Fe -0À5 Si -0À5 Al balance and are characterized by a YS >39 h-bar, UTS > 46 h-bar, and elongation > 15% as measured on a gauge length of 5.65 # So, where So is the initial cross-sectional area of the test piece. Furthermore the crack propagation energy is > 6 joules as determined by the PHYSMET test on specimens measuring 10 x 5 mm., a satisfactory resistance to intercrystalline corrosion as measured by French Standard AIR 9050/C, and satisfactory resistance to stress corrosion at # 85% of YS as tested according to French Standard AIR 0754/A. The container is produced from an extruded hollow cylindrical blank having a closed end by solution treatment at 510-540C for 1-4 hours and water quenching followed by natural ageing at ambient temperature for 3-12 days, which may be accelerated by heating at < 130C for several hours. The blank is then cold worked to a level of 5-30% by drawing both with and without internal support, whereby the initial diameter of the blank is reduced by 2-10%. Finally the open end may be inwardly tapered by forcing the container into a heated mould so that it is heated to 350-400C, the heating being localized by a cooling ring which is advanced progressively over the tapered zone as deformation proceeds. The product is finally quenched in cold water. As particularly described the blank 1 is first forced through die 4 by ram 3 which optionally has a clearance of 4 to 10 mm., from the bore of the blank. It is then forced into a die 7 heated by induction or a molten lead bath, heat flow being prevented by water cooled copper ring 6. |
| priorityDate | 1973-07-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 34.