US2382118A - Antitank ammunition - Google Patents

Description

Aug. 14, 1945. J. v. WEINBERGER 2,382,118

ANTITANK AMMUNITION Filed Oct. 9, 1944 INVENTOR JAN. WEINBERGER Patented Aug. 14, 1945 2,382,118 y AN TITANKAMMUNITION Jan V. Weinberger, Truro, Nova Scotia, Canada Application October 9, 1944, Srial No. 557,746

In Canada January 26, 1944 1 Claim.

This invention relates to improvements in antitank shells and has for its object to increase the velocity and penetration power of the projectile which is propelled from the shell casing by explosion of the main explosive charge contained in said casing.

The stated object of this invention is achieved by accelera-ting the combustion of the main charge so that, at the moment of explosion, the pressure developed within the casing of the shell is much higher than in the case of an ordinary shell an-d therefore exerts a proportiona-tely greater propelling pressure against the projectile. The desired accelerated combustion of the main explosive charge is achieved by appropriate double ignition of the charge as will now be more fully explained with the aid of the accompanying drawings, in which:

Figure l is a longitudinal sectional view of an anti-tank shell embodying my invention.

Figure 2 is a Itransverse sectional view taken substantially along the line 2--2 of Figure 1; and

Figure 3 is a transverse section taken substantially along the line 3-3 of lFigure 1.

Referring more particularly to the drawing, 5 and 6 designate, respectively, the main casing and projectile elements of my improved shell. The bottom casing wall 'I is provided with a recess 8 containing a primer or detonator 9. Recess 8 communicates with the interior of casing 5 through a suitable opening I provided inthe casthe wall 'I'.

A sleeve II is arranged in casing adjacent to the projectile 6, said sleeve being held in place by arms I2 and I3, which are attached to the shell casing by soldering, threading, interlocking ory similar means of attachment and which also serve to space the upper end of the sleeve from the base of .the projectile. Sleeve II is open at its lower end and is closed at its upper end except for a small opening I 4 which places the interior of the sleeve in communication with the space reserved between the upper end of the sleeve and the projectile. Sleeve II contains a second primer or detonator I5 and also serves as a guide tube for the enlarged free end I6 of a ring pin I'I, the opposite end of said pin being fasclaim.

tened to a plate I8 provided with tWo pins I9 which are normally engaged with the bottom casing wall 1.

Casing 5 contains the usual main explosive charge 20. When the primer or detonator 9 is detonated in the usual manner, the detonated charge passes through opening I0 and ignites the adjacentl portion of the main charge 20. At the same time the firing pin I'I is thrown against and detonates the secon-d primer or detonator I5, the detonated charge of which passes through opening I4 and effects a second ignition of the main charge 20 adjacent the base of projectile 6. This double ignition ofthe main explosive charge accelerates its combustion and results in the creation 0f an exceptionally high pressure in casing 5 at Ithe moment of explosion.

Having thus described what I now consider to be the preferred embodiment of my invention, it will be understood that various modifications thereof may be resorted to within the scope and spirit of the invention as dened by the appended I claim:

A shell comprising a casing containing a projectile-propelling explosive charge, a projectile litted in and closing an opening at one end of the shell, a detonator carried by the end of the shell remote from said projectile and adapted to be detonated in :the usual manner to effect ignition of .the charge at a point Within the casing adjacent said detonator, a firing-.pin guide sleeve arranged in said casing adjacent the inner enld of the projectile, a second detonator arranged within said guide sleeve, al movable ring pin having one end tted in said sleeve and provided, at the opposite end, with a plate having projections normally engaging the end wall of the casing which carries the first mentioned detonator, the arrangement being such that the pressure created by detonation of the rstmentioned detonator acts against said plate and causes the firing pin to be thrown against the second detonator which is thereby detonated to effect a second ignition of the explosion charge at a point Within the casing adjacent the inner end of the projectile.

JAN V. WEINBElRtET..

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