FR2376708A1 - Nouveau procede de fabrication de pieces semi-toriques par repoussage - Google Patents
Nouveau procede de fabrication de pieces semi-toriques par repoussageInfo
- Publication number
- FR2376708A1 FR2376708A1 FR7700322A FR7700322A FR2376708A1 FR 2376708 A1 FR2376708 A1 FR 2376708A1 FR 7700322 A FR7700322 A FR 7700322A FR 7700322 A FR7700322 A FR 7700322A FR 2376708 A1 FR2376708 A1 FR 2376708A1
- Authority
- FR
- France
- Prior art keywords
- mandrel
- blank
- press forming
- forming semi
- sections
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
-
- 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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
- B21C37/286—Making tube fittings for connecting pipes, e.g. U-pieces starting from sheet material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Procédé de fabrication de pièces semi-toriques par repoussage, caractérisé en ce qu'on utilise un mandrin présentant une face frontale, comportant une empreinte reproduisant la forme extérieure de la pièce à obtenir, contre laquelle on maintient de la façon connue, le flan à repousser.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700322A FR2376708A1 (fr) | 1977-01-07 | 1977-01-07 | Nouveau procede de fabrication de pieces semi-toriques par repoussage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700322A FR2376708A1 (fr) | 1977-01-07 | 1977-01-07 | Nouveau procede de fabrication de pieces semi-toriques par repoussage |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2376708A1 true FR2376708A1 (fr) | 1978-08-04 |
FR2376708B1 FR2376708B1 (fr) | 1979-04-20 |
Family
ID=9185219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7700322A Granted FR2376708A1 (fr) | 1977-01-07 | 1977-01-07 | Nouveau procede de fabrication de pieces semi-toriques par repoussage |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2376708A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0620380A1 (fr) * | 1993-04-14 | 1994-10-19 | Vibratech, Inc. | Amortisseur de vibrations en torsion et procédure pour la fabrication d'un tel |
EP1512470A1 (fr) * | 2003-09-08 | 2005-03-09 | The Boeing Company | Mandrin de fluotournage adaptable |
ITPN20100062A1 (it) * | 2010-10-20 | 2012-04-21 | Free Spirits S R L | Procedimento per la fabbricazione di curve tubolari metalliche e curve tubolari ottenute con tale procedimento |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2335887A (en) * | 1941-05-02 | 1943-12-07 | James J Smith | Method of forming curved channel members, elbows, and u-bends |
FR1030112A (fr) * | 1950-12-26 | 1953-06-10 | Nouveau procédé de repoussage | |
FR1039548A (fr) * | 1951-07-10 | 1953-10-07 | Procédé de conformation d'un flan métallique |
-
1977
- 1977-01-07 FR FR7700322A patent/FR2376708A1/fr active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2335887A (en) * | 1941-05-02 | 1943-12-07 | James J Smith | Method of forming curved channel members, elbows, and u-bends |
FR1030112A (fr) * | 1950-12-26 | 1953-06-10 | Nouveau procédé de repoussage | |
FR1039548A (fr) * | 1951-07-10 | 1953-10-07 | Procédé de conformation d'un flan métallique |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0620380A1 (fr) * | 1993-04-14 | 1994-10-19 | Vibratech, Inc. | Amortisseur de vibrations en torsion et procédure pour la fabrication d'un tel |
EP1512470A1 (fr) * | 2003-09-08 | 2005-03-09 | The Boeing Company | Mandrin de fluotournage adaptable |
US6955283B2 (en) | 2003-09-08 | 2005-10-18 | The Boeing Company | Adaptable mandrel for spin forming |
CN100448564C (zh) * | 2003-09-08 | 2009-01-07 | 波音公司 | 用于旋转成形的心轴和旋转成形产品的制造方法 |
ITPN20100062A1 (it) * | 2010-10-20 | 2012-04-21 | Free Spirits S R L | Procedimento per la fabbricazione di curve tubolari metalliche e curve tubolari ottenute con tale procedimento |
Also Published As
Publication number | Publication date |
---|---|
FR2376708B1 (fr) | 1979-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
CA | Change of address | ||
CN | Change in juridical nature | ||
TP | Transmission of property | ||
ST | Notification of lapse |