IT1246763B - HOT DRAWING PROCEDURE, ESPECIALLY ON EXTRUDED OR DRAWN BODIES OBTAINED IN ALUMINUM AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDURE - Google Patents
HOT DRAWING PROCEDURE, ESPECIALLY ON EXTRUDED OR DRAWN BODIES OBTAINED IN ALUMINUM AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDUREInfo
- Publication number
- IT1246763B IT1246763B IT02091690A IT2091690A IT1246763B IT 1246763 B IT1246763 B IT 1246763B IT 02091690 A IT02091690 A IT 02091690A IT 2091690 A IT2091690 A IT 2091690A IT 1246763 B IT1246763 B IT 1246763B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- equipment
- extruded
- aluminum
- implementation
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
- B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles by means of mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/16—Mandrels; Mounting or adjusting same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C45/00—Separating mandrels from work or vice versa
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/36—Making hollow objects characterised by the use of the objects collapsible or like thin-walled tubes, e.g. for toothpaste
Abstract
Drawing of hollow extruded or drawn aluminium bodies is accomplished by forcing the hollow body through a drawing ring pushed by a plunger or mandrel placed inside said body and heated to a temperature not less than 90 DEG C and generally between 105 DEG C and 140 DEG C. The equipment for application of the process comprises one or more toolholder feed bars in which the plungers or mandrels and one or more drawing rings are alternately inserted or coupled and in which each plunger has an inner chamber (22), heating means (14) arranged in said chamber and longitudinal grooves (16) along its outer surface. <IMAGE>
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT02091690A IT1246763B (en) | 1990-07-11 | 1990-07-11 | HOT DRAWING PROCEDURE, ESPECIALLY ON EXTRUDED OR DRAWN BODIES OBTAINED IN ALUMINUM AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDURE |
AT91111070T ATE100361T1 (en) | 1990-07-11 | 1991-07-04 | METHOD AND DEVICE FOR HOT DRAWING OF EXTRUDED OR DRAWN HOLLOW BODIES. |
ES91111070T ES2050485T3 (en) | 1990-07-11 | 1991-07-04 | PROCEDURE FOR FORMING BY HOT STAMPING ALUMINUM HOLLOW BODIES EXTRUDED OR SAUSAGES AND EQUIPMENT FOR THE APPLICATION OF SUCH PROCEDURE. |
DE91111070T DE69101035T2 (en) | 1990-07-11 | 1991-07-04 | Method and device for hot drawing of extruded or drawn hollow bodies. |
EP91111070A EP0466017B1 (en) | 1990-07-11 | 1991-07-04 | Process for hot drawing hollow extruded or drawn aluminium bodies and equipment for application of said process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT02091690A IT1246763B (en) | 1990-07-11 | 1990-07-11 | HOT DRAWING PROCEDURE, ESPECIALLY ON EXTRUDED OR DRAWN BODIES OBTAINED IN ALUMINUM AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDURE |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9020916A0 IT9020916A0 (en) | 1990-07-11 |
IT9020916A1 IT9020916A1 (en) | 1992-01-11 |
IT1246763B true IT1246763B (en) | 1994-11-26 |
Family
ID=11174042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT02091690A IT1246763B (en) | 1990-07-11 | 1990-07-11 | HOT DRAWING PROCEDURE, ESPECIALLY ON EXTRUDED OR DRAWN BODIES OBTAINED IN ALUMINUM AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDURE |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0466017B1 (en) |
AT (1) | ATE100361T1 (en) |
DE (1) | DE69101035T2 (en) |
ES (1) | ES2050485T3 (en) |
IT (1) | IT1246763B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5858784A (en) | 1991-12-17 | 1999-01-12 | The Regents Of The University Of California | Expression of cloned genes in the lung by aerosol- and liposome-based delivery |
US5925628A (en) * | 1997-03-31 | 1999-07-20 | Genzyme Corporation | Cationic amphiphiles for intracellular delivery of therapeutic molecules |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE343220B (en) * | 1971-03-08 | 1972-03-06 | Polytype Ag | |
DE2733794C2 (en) * | 1977-07-27 | 1983-05-26 | Mepag Metall Und Plastik Packung Gmbh & Co, 6500 Mainz | Process for the production of flared metal tubes |
AT357755B (en) * | 1978-11-27 | 1980-07-25 | Mepag Ag | METHOD FOR CONICAL WIDTHING OF CYLINDRICAL TUBES |
DE3225522A1 (en) * | 1982-07-08 | 1984-01-12 | Cebal Verpackungen GmbH & Co KG, 8500 Nürnberg | METHOD FOR CONIFICATING TUBES |
DE3620309A1 (en) * | 1986-06-18 | 1987-12-23 | Hoell Karl Gmbh Co Kg | Method and apparatus for the production of tapered laminated tubes |
-
1990
- 1990-07-11 IT IT02091690A patent/IT1246763B/en active IP Right Grant
-
1991
- 1991-07-04 DE DE91111070T patent/DE69101035T2/en not_active Expired - Fee Related
- 1991-07-04 AT AT91111070T patent/ATE100361T1/en not_active IP Right Cessation
- 1991-07-04 EP EP91111070A patent/EP0466017B1/en not_active Expired - Lifetime
- 1991-07-04 ES ES91111070T patent/ES2050485T3/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2050485T3 (en) | 1994-05-16 |
IT9020916A0 (en) | 1990-07-11 |
DE69101035D1 (en) | 1994-03-03 |
EP0466017A1 (en) | 1992-01-15 |
DE69101035T2 (en) | 1994-05-05 |
ATE100361T1 (en) | 1994-02-15 |
IT9020916A1 (en) | 1992-01-11 |
EP0466017B1 (en) | 1994-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970730 |