GB565681A - An improved method and means of shaping sheet-metal under pressure - Google Patents
An improved method and means of shaping sheet-metal under pressureInfo
- Publication number
- GB565681A GB565681A GB430743A GB430743A GB565681A GB 565681 A GB565681 A GB 565681A GB 430743 A GB430743 A GB 430743A GB 430743 A GB430743 A GB 430743A GB 565681 A GB565681 A GB 565681A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sand
- sheet
- stamping
- sheet metal
- under pressure
- 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.)
- Expired
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
- B21D22/10—Stamping using yieldable or resilient pads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Diaphragms And Bellows (AREA)
- Laminated Bodies (AREA)
Abstract
565,681. Stamping. HELLIWELLS, Ltd., and RANSOM, J. May 17, 1943, No. 4307. [Class 83 (iv)] In stamping sheet metal by the rubber bolster process, the rubber bolster is replaced by sand or like free-flowing granular material and the deformation is effected by the application of fluid pressure thereto. A two-part chamber a<1>, a<2> is bolted together at k with an interposed diaphragm b, e.g. of rubber, to support the sand c in the upper chamber, fluid pressure being applied at h to the lower chamber to effect the stamping of the sheet metal d, which, together with the die e, is laid upon the surface of the sand. A sealing ring g and cover f are provided. If desired, a sheet j of cloth &c. may be placed between the sheet metal and the sand to prevent the sand from marking the sheet and from obtaining access to the top thereof. Liquid may be added to the sand &c. to form a paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB430743A GB565681A (en) | 1943-05-17 | 1943-05-17 | An improved method and means of shaping sheet-metal under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB430743A GB565681A (en) | 1943-05-17 | 1943-05-17 | An improved method and means of shaping sheet-metal under pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB565681A true GB565681A (en) | 1944-11-22 |
Family
ID=9774698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB430743A Expired GB565681A (en) | 1943-05-17 | 1943-05-17 | An improved method and means of shaping sheet-metal under pressure |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB565681A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3128732A (en) * | 1961-01-24 | 1964-04-14 | Ryan Aeronautical Co | Means and method for explosive forming materials at high temperatures |
-
1943
- 1943-05-17 GB GB430743A patent/GB565681A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3128732A (en) * | 1961-01-24 | 1964-04-14 | Ryan Aeronautical Co | Means and method for explosive forming materials at high temperatures |
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