US240319A - Heavy rifled gun - Google Patents
Heavy rifled gun Download PDFInfo
- Publication number
- US240319A US240319A US240319DA US240319A US 240319 A US240319 A US 240319A US 240319D A US240319D A US 240319DA US 240319 A US240319 A US 240319A
- Authority
- US
- United States
- Prior art keywords
- gun
- rifled
- heavy
- tube
- rifled gun
- 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 - Lifetime
Links
- 229910001018 Cast iron Inorganic materials 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 229910001369 Brass Inorganic materials 0.000 description 4
- 229910000906 Bronze Inorganic materials 0.000 description 4
- 239000010951 brass Substances 0.000 description 4
- 239000010974 bronze Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000003292 diminished Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/02—Composite barrels, i.e. barrels having multiple layers, e.g. of different materials
Definitions
- Figure 1 represents a longitudinal section of a large gun lined with a tube of bronze.
- Fig. 3 is a thin tube rifled on its exterior surface.
- Fig. 2 is a cross-section of the muzzle of the gun.
- the tube of bronze, brass, or other suitable metal, rifled on its exterior surface is inserted in the bore and pushed into place, having been made with an easy fit'to allow of this being done Without trouble. It is then expanded from within by hydraulic or powder pressure, or first with hydraulic pressureand afterward with powder, bored out to therequired size, leaving the tube of sufficient thickness to prevent it from rupture, and rifled, the grooves corresponding already cut-in the bore.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Telescopes (AREA)
Description
(No Model.)
T. T. S. LAIDLEY.
Heavy Rifled Gun.
No. 240,319. Patented April 19,1881.
Fig.1 I
Win/ya? 1121/ 1210 @414 9' U UNITED STATES PATENT nines.
THEODORE T. S. LAIDLEY, OF THE UNITED STATES ARMY, WATERTCWN ARSENAL, MASSACHUSETTS.
HEAVY RIFLED GUN.
SPECIFICATION forming part of Letters Patent'llo. 240,319, dated April 19, 1881.
Application filed September 18, 1880. (No model.)
To all whom it may concern: I
Be it known that I, THEODORE T. S. LAID- LEY, of the Army, residing at Watertown Arseual, Middlesex county, Massachusetts, have invented a new and useful Improvement in Heavy Rifled Guns, of which the following is a specification.
It is well known that in repeated, firings of cast-iron guns cracks are formed in the bore at the seat of the charge. The gases formed'in the explosion of the powder enter these cracks, and develop them to such an extent as to finally,acting on an enlarged surface, prove too great for the strength of thegun and rupture it. It, then, a casing of some proper material be inserted in the bore, so as to exclude the gas from entering the cracks formed, the endurance of the gun will be increased.
I am aware that wrough t-iron and steel tubes have been for many years inserted in the bores of guns; but it has been always done for the purpose of increasing, their strength, and not merely to act as a gas-check and exclude the gas from the cracks. Consequently the tubes were made thick, and, as a matter of course, were expensive.
Recent experiments, however, show that the strength of cast-iron guns lined with wroughtiron tubes is not thereby increased over what it would be it they were made entirely of cast-iron, but is actually diminished. It is therefore doubly important that the lining should be as thin as possible, and at the same time serve the required purpose.
In the accompanying drawings, which show my improvement, Figure 1 represents a longitudinal section of a large gun lined with a tube of bronze. Fig. 3 is a thin tube rifled on its exterior surface. Fig. 2 is a cross-section of the muzzle of the gun.
The gun having been bored out and rifled in the ordinary way, the tube of bronze, brass, or other suitable metal, rifled on its exterior surface,is inserted in the bore and pushed into place, having been made with an easy fit'to allow of this being done Without trouble. It is then expanded from within by hydraulic or powder pressure, or first with hydraulic pressureand afterward with powder, bored out to therequired size, leaving the tube of sufficient thickness to prevent it from rupture, and rifled, the grooves corresponding already cut-in the bore.
I claim as my invention and desire to secure by Letters Patent.- I
l. A gun rifled andlined with a tube of suit able material which is made externally to fit the rifling of the gun, substantially as de-1 scribed.
with the grooves 2. A gun rifled and lined with a tube which is made externally to fit and is internally rifled,
the riflin g of the gun, asset forth.
3. A cast-iron gun rifled and lined witha tube of brass or similar material,which is made to fit the rifling of the gun, substantially as described.
Witnesses: CHAS. A. GREGG, GEo. MILLs.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US240319A true US240319A (en) | 1881-04-19 |
Family
ID=2309658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US240319D Expired - Lifetime US240319A (en) | Heavy rifled gun |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US240319A (en) |
-
0
- US US240319D patent/US240319A/en not_active Expired - Lifetime
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