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US1745468A - Ordnance - Google Patents

Ordnance Download PDF

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Publication number
US1745468A
US1745468A US214792A US21479227A US1745468A US 1745468 A US1745468 A US 1745468A US 214792 A US214792 A US 214792A US 21479227 A US21479227 A US 21479227A US 1745468 A US1745468 A US 1745468A
Authority
US
United States
Prior art keywords
tube
tubing
outer tube
overstraining
ordnance
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
Application number
US214792A
Inventor
Gladeon M Barnes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US214792A priority Critical patent/US1745468A/en
Application granted granted Critical
Publication of US1745468A publication Critical patent/US1745468A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

  • This invention relates to ordnance and more particularly it has reference to composite barrels in which the liner may be readily removed.
  • This invention contemplates the employment of drawn seamless tubing of commercial production as a removable liner for guns.
  • tubing is of carbon steel
  • the outer tube may or may not be treated by overstraining.
  • a gun including an elastic outer tube and a drawn seamless tubing freely insertable in said tube, said tubing having its inner layers permanently set by overstraining.
  • a gun comprising an elastic outer tube, a

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Adjustment And Processing Of Grains (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Description

Patented Feb. 4, 1939 GLADEON M. BARNES, OF HASTINGS, MICHIGAN ORIDNANCE No Drawing. Application filed August 22, 1927. Serial No. 214,792.
(GRANTED UNDER THE ACT OF MARCH 3, 1883, AS AMENDED APRIL 30, 1928; 370 0. G. 757) The invention described herein may be manufactured and used by or for the Government for governmental purposes without the payment to me of any royalty thereon.
This invention relates to ordnance and more particularly it has reference to composite barrels in which the liner may be readily removed.
Since the advent of high powder pressures and increased muzzle velocities all guns whether of the simple or composite type have been built from forgings. Latterly the development of a loose liner capable of expanding to and with the reinforcing tube without 5 exceeding its elastic limit has stressed the necessity for a material of a very high elastic limit.
I have discovered if a liner having an elastic limit of 65,000 pounds per square inch be overstrained 5% of its inner diameter it will possess a resistance which when used in conjunction with an outer tube of medium quality steel will provide a gun having the usual factor of safety.
This invention contemplates the employment of drawn seamless tubing of commercial production as a removable liner for guns. Where the tubing is of carbon steel I prefer to increase its resistance to pressure by overstraining the inner layers and I may likewise treat tubing of alloy steel for a similar reason. The outer tube may or may not be treated by overstraining.
I claim:
1. A gun including an elastic outer tube and a drawn seamless tubing freely insertable in said tube, said tubing having its inner layers permanently set by overstraining.
2. A gun comprising an elastic outer tube, a
drawn seamless inner tube having its inner layer permanently set by overstraining, the outer diameter of the inner tube being less than the inner diameter of the outer tube to establish a play space restorable after firing.
GLADEON M. BARNES.
US214792A 1927-08-22 1927-08-22 Ordnance Expired - Lifetime US1745468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US214792A US1745468A (en) 1927-08-22 1927-08-22 Ordnance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US214792A US1745468A (en) 1927-08-22 1927-08-22 Ordnance

Publications (1)

Publication Number Publication Date
US1745468A true US1745468A (en) 1930-02-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US214792A Expired - Lifetime US1745468A (en) 1927-08-22 1927-08-22 Ordnance

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030144054A1 (en) * 2000-04-05 2003-07-31 Ods Properties, Inc. Interactive wagering systems and methods with multiple television feeds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030144054A1 (en) * 2000-04-05 2003-07-31 Ods Properties, Inc. Interactive wagering systems and methods with multiple television feeds

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