US2335710A - Bullet core stripper machine - Google Patents

Bullet core stripper machine Download PDF

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Publication number
US2335710A
US2335710A US469039A US46903942A US2335710A US 2335710 A US2335710 A US 2335710A US 469039 A US469039 A US 469039A US 46903942 A US46903942 A US 46903942A US 2335710 A US2335710 A US 2335710A
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United States
Prior art keywords
bullet
machine
knife
jacket
bullet core
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
US469039A
Inventor
Ray F Townsend
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
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to US469039A priority Critical patent/US2335710A/en
Application granted granted Critical
Publication of US2335710A publication Critical patent/US2335710A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/06Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49815Disassembling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/02Other than completely through work thickness
    • Y10T83/0333Scoring
    • Y10T83/0341Processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • Y10T83/0596Cutting wall of hollow work

Definitions

  • the invention relates to improvements in machines to facilitate the removal of jackets from the steel cores of armor piercing bullets for the purpose of salvaging the steel cores; and the objects of the improvements are, to simplify the construction of a core stripping machine, reduce the maintenance required to keep the machine in operation, and to increase the capacity of the machine.
  • Figure 1 is an elevation of the front of the machine with the feed chute removed.
  • Figure 2 is a Vertical section through the center of the knife and parallel to the plane of the knife.
  • Figure 3 is a sectional view of the bullet after it has passed through the machine.
  • the base and frame casting I provides the holder for the semi-circular knife 2, and bearings for the main shaft 3. Keyed to this main shaft is a, hardened, knurled roller 4, which is revolved by means of a drive such as the V pulley sheave 5.
  • the knife is shaped and adjusted so that the clearance between the knife and roller gradually decreases from the diameter of the bullet jacket at one end of the knife, to the diameter of the core plus one wall thickness of the bullet jacket at the other end of the knife.
  • the bullets are fed sideways from a feed chute 6 in between the roller and the knife at the wide end of the knife and are rolled around the knife by the rolling action of the roller.
  • the clearance reduces, and the bullet jacket is gradually cut in two.
  • the jacket is slightly stretched and expanded so that it is loose on the bullet core. After being cut, the two halves of the bullet jacket are very easily removed from the core by hand, rattling, magnetic separators, or by many other methods.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Description

1943. R. F. TOWNS END BULLET CORE STRIPPER MACHINE Filed Dec. 14, 1942 N WE Inventor:
Patented Nov. 30, 1943 UNITED STATES PATENT OFFICE BULLET CORE STRIPPER. MACHINE Ray F. Townsend, Altoona, Iowa Application December 14, 1942, Serial No. 469,039
2 Claims.
The invention relates to improvements in machines to facilitate the removal of jackets from the steel cores of armor piercing bullets for the purpose of salvaging the steel cores; and the objects of the improvements are, to simplify the construction of a core stripping machine, reduce the maintenance required to keep the machine in operation, and to increase the capacity of the machine.
One form of the invention is illustrated in the accompanying drawing in which Figure 1 is an elevation of the front of the machine with the feed chute removed. Figure 2 is a Vertical section through the center of the knife and parallel to the plane of the knife. Figure 3 is a sectional view of the bullet after it has passed through the machine.
The base and frame casting I provides the holder for the semi-circular knife 2, and bearings for the main shaft 3. Keyed to this main shaft is a, hardened, knurled roller 4, which is revolved by means of a drive such as the V pulley sheave 5. The knife is shaped and adjusted so that the clearance between the knife and roller gradually decreases from the diameter of the bullet jacket at one end of the knife, to the diameter of the core plus one wall thickness of the bullet jacket at the other end of the knife.
In operation, the bullets are fed sideways from a feed chute 6 in between the roller and the knife at the wide end of the knife and are rolled around the knife by the rolling action of the roller. As the bullet rolls across the blade, the clearance reduces, and the bullet jacket is gradually cut in two. Also due to the rolling action, the jacket is slightly stretched and expanded so that it is loose on the bullet core. After being cut, the two halves of the bullet jacket are very easily removed from the core by hand, rattling, magnetic separators, or by many other methods.
I am aware that prior to my invention, machines have been built to remove bullet jackets from the cores of armor piercing bullets, and that a roller and blade combination has been used for cutting tubes of various kinds. Therefore, I do not claim such a combination broadly; but
I claim:
1. The method of stretching a bullet jacket, or the loosening of a bullet jacket from its core by means of a machine having a rolling means acting on the surface of the bullet.
2. The method of loosening a bullet jacket and removing it from its core by means of rolling means acting on the surface of the bullet to loosen the jacket and to feed the bullet along stationary cutter means which thereby cuts through the jacket as the bullet is rolled therealong by the rolling means.
R. F. TOWNSEND.
US469039A 1942-12-14 1942-12-14 Bullet core stripper machine Expired - Lifetime US2335710A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US469039A US2335710A (en) 1942-12-14 1942-12-14 Bullet core stripper machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US469039A US2335710A (en) 1942-12-14 1942-12-14 Bullet core stripper machine

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US2335710A true US2335710A (en) 1943-11-30

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480043A (en) * 1945-05-05 1949-08-23 Trico Products Corp Method of journaling a shaft in a bushing
US2550842A (en) * 1948-06-25 1951-05-01 Nat Tube Co Machine for straightening pipe
US2556965A (en) * 1947-05-10 1951-06-12 Freundlich Gomez Machinery Cor Method and device for cutting selected circumferential portions of tubular or cylindrical objects
US2757778A (en) * 1952-06-23 1956-08-07 Diamond Match Co Apparatus for feeding elongated cylindrical objects
US3072165A (en) * 1959-06-26 1963-01-08 Allis Chalmers Mfg Co Device for slicing cylindrical bales
US4492238A (en) * 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components
US4583386A (en) * 1983-08-29 1986-04-22 General Electric Company Method to reduce weld flash
WO2011014095A1 (en) * 2009-07-31 2011-02-03 Открытое Акционерное Общество "Koнcтpyктopcкoe Бюро Автоматических Пиний Имени Льва Николаевича Koшкинa" Method and device for disassembling small arms ammunition
RU2472104C1 (en) * 2011-09-19 2013-01-10 Открытое акционерное общество "Конструкторское бюро автоматических линий имени Льва Николаевича Кошкина" (ОАО "КБАЛ им. Л.Н. Кошкина") Method of knocking down small arms bullets
RU2544066C2 (en) * 2013-02-13 2015-03-10 Сергей Владимирович Чуряков Method of knocking down small arms bullets
CN104858267A (en) * 2015-05-30 2015-08-26 赵明 Bar straightening machine
RU2670466C1 (en) * 2017-12-29 2018-10-23 Владимир Борисович Чукин Method of dismantling small arms bullets

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480043A (en) * 1945-05-05 1949-08-23 Trico Products Corp Method of journaling a shaft in a bushing
US2556965A (en) * 1947-05-10 1951-06-12 Freundlich Gomez Machinery Cor Method and device for cutting selected circumferential portions of tubular or cylindrical objects
US2550842A (en) * 1948-06-25 1951-05-01 Nat Tube Co Machine for straightening pipe
US2757778A (en) * 1952-06-23 1956-08-07 Diamond Match Co Apparatus for feeding elongated cylindrical objects
US3072165A (en) * 1959-06-26 1963-01-08 Allis Chalmers Mfg Co Device for slicing cylindrical bales
US4492238A (en) * 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components
US4583386A (en) * 1983-08-29 1986-04-22 General Electric Company Method to reduce weld flash
WO2011014095A1 (en) * 2009-07-31 2011-02-03 Открытое Акционерное Общество "Koнcтpyктopcкoe Бюро Автоматических Пиний Имени Льва Николаевича Koшкинa" Method and device for disassembling small arms ammunition
CN102597690A (en) * 2009-07-31 2012-07-18 利夫尼古拉维奇科什金自动化流水线设计所公开股份公司 Method and device for disassembling small arms ammunition
RU2472104C1 (en) * 2011-09-19 2013-01-10 Открытое акционерное общество "Конструкторское бюро автоматических линий имени Льва Николаевича Кошкина" (ОАО "КБАЛ им. Л.Н. Кошкина") Method of knocking down small arms bullets
RU2544066C2 (en) * 2013-02-13 2015-03-10 Сергей Владимирович Чуряков Method of knocking down small arms bullets
CN104858267A (en) * 2015-05-30 2015-08-26 赵明 Bar straightening machine
RU2670466C1 (en) * 2017-12-29 2018-10-23 Владимир Борисович Чукин Method of dismantling small arms bullets

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