Ammunition arrangement

Claim 2

A cartridge arrangement comprising a cartridge case a first bore formed in said case for receiving a projectile to be launched therefrom, a second bore formed in said case rearwardly of said first bore and being of smaller cross sectional size than said first bore, a longitudinally plastically deformably expandable and longitudinally expellable propellant burning control cup formed of material capable of cold-flow substantially permanent plastic deformation, disposed in said second smaller bore, and a charge of ignitable propellant powder within said second bore and contained by said cup, said cup being removable from said bore after substantial longitudinal deformation elongation of the effective interior of said cup and as a function of said longitudinal elongation.

Claim 3

A cartridge arrangement comprising a cartridge case a first bore formed in said case for receiving a projectile to be launched therefrom, a second bore formed in said case rearwardly of said first bore and being of smaller cross sectional size than said first bore, a longitudinally plastically deformably expandable and longitudinally expellable propellant burning control cup formed of material capable of cold-flow substantially permanent plastic deformation, disposed in said second smaller bore, and a charge of ignitable propellant powder within said second bore and contained by said cup, said cup having a plurality of longitudinally extending wall sections, an annular reverse bend formed between first and second said longitudinally extending annular wall sections, one of said longitudinally extending annular wall sections engaging the wall of said second smaller bore, and another of said longitudinally extending annular wall sections having a central closure extending thereacross, said cup being longitudinally expandable through sequential incremental cold-flow rolling movement of the material of one of said longitudinally extending cup wall sections through said reverse bend and thence to a longitudinally elongated continuation of the adjoining other said longitudinally extending cup wall section.

Claim 4

A cartridge arrangement comprising a cartridge case a first bore formed in said case for receiving a projectile to be launched therefrom, a second bore formed in said case rearwardly of said first bore and being of smaller cross sectional size than said first bore, a longitudinally plastically deformably expandable and longitudinally expellable propellant burning control cup formed of material capable of cold-flow substantially permanent plastic deformation, disposed in said second smaller bore, and a charge of ignitable propellant powder within said second bore and contained by said cup, said cup having a plurality of longitudinally extending wall sections, an annular reverse bend formed between first and second said longitudinally extending annular wall sections, one of said longitudinally extending annular wall sections engaging the wall of said second smaller bore, and another of said longitudinally extending annular wall sections having a central closure extending thereacross, said cup being longitudinally expandable through sequential incremental cold-flow rolling movement of the material of one of said longitudinally extending cup wall sections through said reverse bend and thence to a longitudinally elongated continuation of the adjoining other said longitudinally extending cup wall section.

Claim 5

A cartridge arrangement according to claim 2, the effectively laterally outer one of longitudinally extending cup wall sections having an open forward end extending toward said first bore.

Claim 6

A cartridge arrangement according to claim 3, said other longitudinally extending wall section which has said central closure thereacross being connected to said effectively laterally outer longitudinally extending cup wall section through said annular reverse bend.

Claim 7

A cartridge arrangement according to claim 4, said effectively laterally outer longitudinally extending cup wall section being in press fit annular sealing engagement with the annular wall forming said second bore.

Claim 8

A cartridge arrangement according to claim 3, said effectively laterally outer longitudinally extending wall section extending forwardly beyond the effective forward end of said second bore.

Claim 9

A cartridge arrangement according to claim 6, and a projectile disposed in said first bore and closely adjacent said open forward end of said effectively outer longitudinally extending wall section.

Claim 10

A cartridge arrangement according to claim 7, said projectile engaging with said open forward end of said effectively outer longitudinally extending wall section.

Claim 11

A cartridge arrangement according to claim 3, said effectively laterally outer longitudinally extending cup wall section being in annular sealing engagement with the annular wall forming said second bore.

Claim 12

A cartridge arrangement comprising a cartridge case a first bore formed in said case for receiving a projectile to be launched therefrom, a second bore formed in said case rearwardly of said first bore and being of smaller cross sectional size than said first bore, a longitudinally plastically deformably expandable and longitudinally expellable propellant burning control cup formed of material capable of cold-flow substantially permanent plastic deformation, disposed in said second smaller bore, and a charge of ignitable propellant powder within said second bore and contained by said cup, said cup having an outer wall with an open forward end and having a closed base end, a reverse dimple formed in said closed base end and extending toward said open forward end, said open forward end facing said first bore of said cartridge case, and means restraining forward movement of said cup outer wall while enabling forward movement of said dimpled base upon ignition and burning of said propellant.

Claim 13

A cartridge arrangement comprising a cartridge case a first bore formed in said case for receiving a projectile to be launched therefrom, a second bore formed in said case rearwardly of said first bore and being of smaller cross sectional size than said first bore, a longitudinally plastically deformably expandable and longitudinally expellable propellant burning control cup formed of material capable of cold-flow substantially permanent plastic deformation, disposed in said second smaller bore, and a charge of ignitable propellant powder within said second bore and contained by said cup, said cup having an outer wall with an open forward end and having a closed base end, a reverse dimple formed in said closed base end and extending toward said open forward end, said open forward end facing said first bore of said cartridge case, and means restraining forward movement of said cup outer wall while enabling forward movement of said dimpled base upon ignition and burning of said propellant.

Claim 14

A cartridge arrangement comprising a cartridge case a first bore formed in said case for receiving a projectile to be launched therefrom, a second bore formed in said case rearwardly of said first bore and being of smaller cross sectional size than said first bore, a longitudinally plastically deformably expandable and longitudinally expellable propellant burning control cup formed of material capable of cold-flow substantially permanent plastic deformation, disposed in said second smaller bore, and a charge of ignitable propellant powder within said second bore and contained by said cup, said cup being removable from said bore after substantial longitudinal deformation elongation of the effective interior of said cup.

Claim 15

A cartridge arrangement comprising a cartridge case a first bore formed in said case for receiving a projectile to be launched therefrom, a second bore formed in said case rearwardly of said first bore and being of smaller cross sectional size than said first bore, a longitudinally plastically deformably expandable and longitudinally expellable propellant burning control cup formed of material capable of cold-flow substantially permanent plastic deformation, disposed in said second smaller bore, and a charge of ignitable propellant powder within said second bore and contained by said cup, said cup being removable from said bore after substantial longitudinal deformation elongation of the effective interior of said cup.

Claim 16

A cartridge arrangement according to claim 11, said cup having a plurality of longitudinally extending wall sections, an annular reverse bend formed between first and second said longitudinally extending annular wall sections, one of said longitudinally extending annular wall sections engaging the wall of said second smaller bore, and another of said longitudinally extending annular wall sections having a central closure extending thereacross, said cup being longitudinally expandable through sequential incremental cold-flow rolling movement of the material of one of said longitudinally extending cup wall sections through said reverse bend and thence to a longitudinally elongated continuation of the adjoining other said longitudinally extending cup wall section.

Claim 17

A cartridge arrangement according to claim 12, the effectively laterally outer one of longitudinally extending cup wall sections having an open forward end extending toward said first bore.

Claim 18

A cartridge arrangement according to claim 12, the effectively laterally outer longitudinally extending cup wall section being in press fit annular sealing engagement with the annular wall forming said second bore.

Claim 19

A cartridge arrangement according to claim 11, said cup having an outer wall with an open forward end and having a closed base end, a reverse dimple formed in said closed base end and extending toward said open forward end, said open forward end facing said first bore of said cartridge case, and means restraining forward movement of said cup outer wall while enabling forward movement of said dimpled base upon ignition and burning of said propellant.