FR2069879A1 - - Google Patents
Info
- Publication number
- FR2069879A1 FR2069879A1 FR6940768A FR6940768A FR2069879A1 FR 2069879 A1 FR2069879 A1 FR 2069879A1 FR 6940768 A FR6940768 A FR 6940768A FR 6940768 A FR6940768 A FR 6940768A FR 2069879 A1 FR2069879 A1 FR 2069879A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/10—Piercing billets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Extrusion Of Metal (AREA)
- Lubricants (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6940768A FR2069879A1 (pt) | 1969-11-26 | 1969-11-26 | |
US00089608A US3712103A (en) | 1969-11-26 | 1970-11-16 | Method and apparatus for the hot piercing of metal billets |
AT10519/70A AT303493B (de) | 1969-11-26 | 1970-11-23 | Verfahren zur herstellung von nahtlosen rohren und hohlprofilen durch warmlochen |
GB1297690D GB1297690A (pt) | 1969-11-26 | 1970-11-24 | |
DE19702057629 DE2057629A1 (de) | 1969-11-26 | 1970-11-24 | Warmlochen von Metallbloecken |
ZA708022A ZA708022B (en) | 1969-11-26 | 1970-11-26 | Improvement in the hot piercing of metal billets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6940768A FR2069879A1 (pt) | 1969-11-26 | 1969-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2069879A1 true FR2069879A1 (pt) | 1971-09-10 |
Family
ID=9043662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6940768A Pending FR2069879A1 (pt) | 1969-11-26 | 1969-11-26 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3712103A (pt) |
AT (1) | AT303493B (pt) |
DE (1) | DE2057629A1 (pt) |
FR (1) | FR2069879A1 (pt) |
GB (1) | GB1297690A (pt) |
ZA (1) | ZA708022B (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4085606A (en) * | 1976-12-09 | 1978-04-25 | Westinghouse Electric Corporation | Hydrostatic extrusion apparatus for producing hollow elongated bodies of rectangular cross section |
US8333092B2 (en) * | 2005-06-14 | 2012-12-18 | Sumitomo Metal Industries, Ltd. | Piercer, plug and method of manufacturing seamless pipe or tube |
JP4518205B2 (ja) * | 2008-12-01 | 2010-08-04 | 住友金属工業株式会社 | 熱間穿孔用上面ガラス成形材および熱間押出製管用ビレットの製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1802785A (en) * | 1924-10-11 | 1931-04-28 | Singer Fritz | Method of extruding long seamless tubing |
DE728356C (de) * | 1939-10-03 | 1942-11-25 | Mannesmann Ag | Verfahren zum Strangpressen von Rohren |
US2320071A (en) * | 1940-11-23 | 1943-05-25 | Ferrex Corp | Apparatus for extruding metals |
GB1150171A (en) * | 1966-04-19 | 1969-04-30 | Chesterfield Tube Company Ltd | Formation of Hollow Metal Billets. |
US3580038A (en) * | 1968-04-03 | 1971-05-25 | Cefilac | Extrusion mandrel and method |
FR1601305A (pt) * | 1968-06-26 | 1970-08-17 |
-
1969
- 1969-11-26 FR FR6940768A patent/FR2069879A1/fr active Pending
-
1970
- 1970-11-16 US US00089608A patent/US3712103A/en not_active Expired - Lifetime
- 1970-11-23 AT AT10519/70A patent/AT303493B/de not_active IP Right Cessation
- 1970-11-24 GB GB1297690D patent/GB1297690A/en not_active Expired
- 1970-11-24 DE DE19702057629 patent/DE2057629A1/de active Pending
- 1970-11-26 ZA ZA708022A patent/ZA708022B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2057629A1 (de) | 1971-06-09 |
ZA708022B (en) | 1971-08-25 |
US3712103A (en) | 1973-01-23 |
GB1297690A (pt) | 1972-11-29 |
AT303493B (de) | 1972-10-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |