GB393414A - Improvements in or relating to socketed articles - Google Patents
Improvements in or relating to socketed articlesInfo
- Publication number
- GB393414A GB393414A GB15659/32A GB1565932A GB393414A GB 393414 A GB393414 A GB 393414A GB 15659/32 A GB15659/32 A GB 15659/32A GB 1565932 A GB1565932 A GB 1565932A GB 393414 A GB393414 A GB 393414A
- Authority
- GB
- United Kingdom
- Prior art keywords
- die
- head
- socket
- socketed
- screw
- 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
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
393,414. Forging socketed screws &c. HOLO-KROME SCREW CORPORATION, 80, Pliny Street, Hartford, Connecticut, U.S.A.-(Assignees of Purtell, W. A. ; 687, Broadview Terrace, Hartford, Connecticut, U.S.A.) June 2, 1932, No. 15659. Convention date, June 4, 1931. [Class 83 (iv).] Forging dies and punches. - A socketed article such as the screw, Fig. 9, with hexagonal socket 22 and compacted fibre structure 23 in the head, is formed by upsetting a head on the end of an unheated blank 1 in a die 4 in two stages, first by the die 7 to form a bulge 2 and then by the die 12 to form the head 9 having the top crowned at 11 and recessed at 15, the socket being then formed by the punch 20, in which latter operation the head may be located entirely in the recess 19 in the lower die 16 or partly or wholly projecting from the die. In forming a socketed grub screw, Fig. 19, the blank may be first upset at 33, Fig. 14, by the dies 26, 29 previous to forming the socket by the punch 37 and dies 34, 38, after which the excess metal round the socket is turned down to produce a screw body of uniform diameter, or the upsetting operation may be omitted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US393414XA | 1931-06-04 | 1931-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB393414A true GB393414A (en) | 1933-06-08 |
Family
ID=21904954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15659/32A Expired GB393414A (en) | 1931-06-04 | 1932-06-02 | Improvements in or relating to socketed articles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB393414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554108A (en) * | 2010-12-28 | 2012-07-11 | 中国航空工业标准件制造有限责任公司 | Cold-heading forming method and special mould for deep inner hexagonal hole bolt |
-
1932
- 1932-06-02 GB GB15659/32A patent/GB393414A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554108A (en) * | 2010-12-28 | 2012-07-11 | 中国航空工业标准件制造有限责任公司 | Cold-heading forming method and special mould for deep inner hexagonal hole bolt |
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