GB593179A - Improved method of closing cavities - Google Patents
Improved method of closing cavitiesInfo
- Publication number
- GB593179A GB593179A GB1493845A GB1493845A GB593179A GB 593179 A GB593179 A GB 593179A GB 1493845 A GB1493845 A GB 1493845A GB 1493845 A GB1493845 A GB 1493845A GB 593179 A GB593179 A GB 593179A
- Authority
- GB
- United Kingdom
- Prior art keywords
- orifice
- ring
- washer
- cavity
- diameter
- 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
- 230000001264 neutralization Effects 0.000 abstract 2
- 238000007789 sealing Methods 0.000 abstract 2
- 229910001369 Brass Inorganic materials 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010951 brass Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000000700 tracer Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
593,179. Assembling force fits. SMITH, F. E., ANSELL, W. R., and PEARCE, E. R. S. June 12, 1945, No. 14938. [Class 83 (iv)] [Also in Group XXV] A method of securing closure or other component in a circular orifice comprises positioning over the orifice a ring or washer having an overall diameter greater than that of the orifice and pressing by means of a punch so that the material of the ring is rotated about its neutral axis and at the same time is forced into the orifice with an interference fit. A steel ring 3 of square cross-section with its sides at an angle of forty-five degrees to the longitudinal axis is placed on top of a cylindrical cavity 2 of less diameter in a member 1. The action of a punch 4 is to rotate the metal of the ring about the neutral axis and also force the ring into the cavity where it remains as an interference fit and serves to retain a closure disc previously placed in the cavity. The invention is also shown applied to the closing of the near end of a tracer cavity 6 in a member 7 adapted to be screwed into the base of an armour-piercing projectile. The mouth of the cavity is formed with a shoulder 9 against which bears a choke washer 8. A brass cup-shaped sealing member 10 is then pressed firmly against the walls of the orifice by a ring or washer 3 forced into the opening in the manner already described. The washer 8 may be omitted, in which case the sealing cup would bear on the shoulder 9. The ratio of the overall diameter of the ring to the diameter of the orifice to be closed is approximately 1.077 and the length of a side of the washer is approximately one-eighth of the diameter of the orifice.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB593179A true GB593179A (en) | 1947-10-09 |
Family
ID=1731134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1493845A Expired GB593179A (en) | 1945-06-12 | Improved method of closing cavities |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB593179A (en) |
-
1945
- 1945-06-12 GB GB1493845A patent/GB593179A/en not_active Expired
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