US3363562A - Cartridge case - Google Patents

Cartridge case Download PDF

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Publication number
US3363562A
US3363562A US435392A US43539264A US3363562A US 3363562 A US3363562 A US 3363562A US 435392 A US435392 A US 435392A US 43539264 A US43539264 A US 43539264A US 3363562 A US3363562 A US 3363562A
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United States
Prior art keywords
case
cartridge
bore
plastic
ribs
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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
US435392A
Inventor
Stadler Hans
Gawlick Heinz
Stahlmann Rudolf
Umbach Hans
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Dynamit Nobel AG
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Dynamit Nobel AG
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Publication date
Application filed by Dynamit Nobel AG filed Critical Dynamit Nobel AG
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Publication of US3363562A publication Critical patent/US3363562A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/26—Cartridge cases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/26—Cartridge cases
    • F42B5/30—Cartridge cases of plastics, i.e. the cartridge-case tube is of plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/26—Cartridge cases
    • F42B5/30—Cartridge cases of plastics, i.e. the cartridge-case tube is of plastics
    • F42B5/307—Cartridge cases of plastics, i.e. the cartridge-case tube is of plastics formed by assembling several elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/26—Cartridge cases
    • F42B5/30—Cartridge cases of plastics, i.e. the cartridge-case tube is of plastics
    • F42B5/307—Cartridge cases of plastics, i.e. the cartridge-case tube is of plastics formed by assembling several elements
    • F42B5/313—Cartridge cases of plastics, i.e. the cartridge-case tube is of plastics formed by assembling several elements all elements made of plastics

Definitions

  • the present invention relates to cartridges cases, and more particularly to plastic projectile or shell cases for trench mortars.
  • the case of a projectile or shell cartridge of trench mortars ordinarily consists of a cardboard case with a cardboard plug or stopper and a bottom cap of metal.
  • the new development of the present invention consists in replacing the prior art cardboard case of the red shell cartridge by a plastic cartridge case.
  • the problem resulting from such substitution is to so construct the plastic cartridge case that it can also -be inserted with frictional engagement into the cartridge chamber.
  • plastic case made in one piece, for tired shell cartridges of trench mortars that it produces the necessary frictional engagement, and more particularly by the fact that ribs are formed into the plastic case along the circumference thereof whose external contact circle, measured in the circumferential direction, is larger than that of the cartridge chamber.
  • the plastic materials of known conventional type suitable for use with such cases are normally more or less yielding. If the cartridge is inserted, then the ribs deform easily and produce a good frictional contact that prevents with certainty a falling or dropping out on the part of the cartridge out of the shell or grenade.
  • Such ribs arranged at the circumference can be injection molded in one operation and in one piece with the cartridge case so that no additional operating steps as gluing or welding are necessary.
  • the ribs may extend either over the entire length or o'ver a part of the case in the longitudinal direction thereof.
  • the ribs may also be of circular shape, approximately similar to the sealing ribs in bottle closure devices of plastic material, or in the form of a cone open in the direction toward the cartridge bottom. If continuous ribs extending over the entire length prove themselves as excessively rigid, they can also be subdivided into individual partial pieces.
  • Another object of the present invention resides in the provision of a cartridge case for cartridge shells of trench mortars which are made entirely of plastic material yet prevent with certainty the separation of the case from the projectile or shell either during the loading or after tiring.
  • a further object of the present invention resides in the provision of a cartridge case of the type described above essentially consisting of a plastic material which is securely held in place by frictional engagement.
  • FIGURE 1 is a elevational view of a first embodiment of a plastic cartridge case for mortar shells provided with longitudinally extending ribs in accordance with the present invention which extend only over a portion of the length of the case;
  • FIGURE 2 is a top plan view on the case of FIG- URE l;
  • FIGURE 3 is an elevational view, similar to FIGURE 1, of a modified embodiment of a plastic cartridge case in accordance with the present invention provided with longitudinal ribs extending over the entire length of the case;
  • FIGURE 4 is a partial elevational View of a still further moditied embodiment, partly in cross section, of a plastic cartridge case for mortar shells provided with circular ribs in accordance with the present invention
  • FIGURE 5 is an elevational view, similar to FIGURES l and 3, of still another modified embodiment of a plastic cartridge case for mortar shells provided with a circular rib in accordance with the present invention, with parts thereof broken away for the sake of clarity;
  • FIGURE 6 is a partial axial cross sectional view illustrating the cartridge of FIGURE 4 in a cartridge chamber
  • FIGURE 7 is a partial axial cross sectional view of the FIGURE 5 cartridge in a cartridge chamber.
  • FIGURE 8 is a partial cross sectional view perpendicular to the cartridge axis showing the cartridge according to any one of the FIGURES 1-3 in a cartridge chamber.
  • reference numeral 1 designates in all figures a plastic cartridge case while reference numeral Z designates a metallic 'bottom piece, all of conventional design.
  • three ribs 3 are formed into the head of the case 1 which extend only over a part of the length of the case 1.
  • the contact circle of the three ribs 3, as measured in a circumferential direction, has a diameter D which is larger than the diameter of the cartridge chamber (not shown) I of a conventional mortar.
  • FIGURE 3 corresponds to that of FIGURE l, however in this embodiment the ribs 5 extend over the entire length of the case 1.
  • the case 1 according to FIGURE 4 is provided with a number of annularly shaped ribs 6, which, during the pressing-in operation are deformed by an easy folding 3 over when the cartridge is pressed into the cartridge chamber, as shown in FIGURE 6.
  • a conically shaped ring 7 open in the direction toward the cartridge bottom 2 is formed into the case 1 which ring 7 is slightly compressed from the dotted line normal unstressed position 7 as shown in FIGURE 7 during the insertion of the cartridge and which prevents by its spreading eect a falling out of the cartridge.
  • the ribs can also be sub-divided in any suitable manner into individual sections.
  • any suitable plas tic material known in the prior art which possesses the desired characteristics and properties may be used with the present invention, such as polyethylene, polystyrene, polyvinyl chloride, polyamide, acetylcellulose.
  • An integral case of plastic material for cartridges red within the predetermined fixed diameter bore of a cartridge chamber comprising: a substantially tubular cartridge case, outwardly extending plastic rib means homogeneously integrated on the exterior of said cartridge case; the diameter of the exterior contact circle as measured in the circumferential direction of said rib means being larger than the predetermined xed diameter of the bore of the cartridge chamber within which said case is to be inserted; said rib means being operable to resiliently engage the interior of the bore of the cartridge chamber by deforming inwardly to tightly hold said case within the bore of the cartridge chamber during the firing of the propellant within said case; said rib means including a hollow annular rustum and a tubular lip axially extending from the largest diameter end of said frustum.
  • An integral case of plastic material for cartridges fired within the predetermined fixed diameter bore of a cartridge chamber comprising: a substantially tubular cartridge case; outwardly extending plastic rib means liomogeneously integrated on the exterior of said cartridge case; the diameter of the exterior contact circle as measured in the circumferential direction of said rib means being larger than the predetermined fixed diameter of the bore of the cartridge chamber within which said case is to be inserted; said rib means ⁇ being operable to resiliently engage the interior of the bore of the cartridge chamber by deforming inwardly to tightly hold said case within the bore of the cartridge chamber during the ring of the propellant within said case; said rib means including an annular first portion outwardly and rearwardly extending from said cartridge case and a tubular portion axially rearwardly extending from the outermost end of said irst portion.
  • a mortar projectile comprising: a solid mortar projectile portion having a fixed diameter bore forming a cartridge chamber; a substantially tubular cartridge case within said bore; outwardly extending rib means on the exterior of said cartridge case; the diameter of the exterior contact circle, as measured in the circumferential direction before said cartridge case in inserted into said bore, of said rib means being larger than the predetermined fixed diameter of said bore; said rib means being operable to resiliently engage the interior of said bore by deforming inwardly to tightly hold said case within said bore of said cartridge chamber during the firing of the propellant within said case and projection of said projectile; and said rib means including a hollow annular frustum portion and a tubular lip axially extending from the largest diameter end of said frustum portion.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
  • Toys (AREA)

Description

Jan. 16, 1968 H. STADLER ETAL 3,363,562
CARTRIDGE CASE 2 Sheets-Sheet I Filed oct. 29, 1964 FIG. 5
FIG. 3
FIG. I
FIG. 4
FIG. 2
INVENTORS. HANS STADLER HEINZ GAWLICK RUDOLF STAHLMANN HANS UMBACH @M70 ATTORNEYS Jan. 16, 1968 H. sTADLl-:R ETAL 3,363,552
CARTRIDGE CASE Filed Oct. 29, 1964 2 Sheets-Sheet 2 INVENTOR. HANS STADLER HEINZ GAWLICK RUDOLF STAHLMANN HANS UMBACH United States Patent 4 Claims. (ci. 1oz-4s) The present invention relates to cartridges cases, and more particularly to plastic projectile or shell cases for trench mortars.
The case of a projectile or shell cartridge of trench mortars ordinarily consists of a cardboard case with a cardboard plug or stopper and a bottom cap of metal.
Neither during the loading nor during the ring must the case become detached from and fall or drop out of the projectile or shell; if the case were to separate from the mortar shell or grenade and were to remain in the barrel, the ring possibility of the next following shell would be jeopardized.
To hold the projectile or shell cartridge to be fired in the shell or projectile by a bottom piece is yas such possible but is expensive and complicated. Consequently,
one has provided the cardboard case with an annular bead Whose diameter is larger than that of the bore of the cartridge chamber so that the case has to be pressed into the cartridge chamber and is held fast thereat -by a friction seat.
The new development of the present invention consists in replacing the prior art cardboard case of the red shell cartridge by a plastic cartridge case. The problem resulting from such substitution is to so construct the plastic cartridge case that it can also -be inserted with frictional engagement into the cartridge chamber. One could transfer the known arrangement of an yannular bead used heretofore with the cardboard case to the plastic case, but would then have to manufacture the same in the form of two separate shells which are subsequently connected by welding or gluing, thereby involving a manufacture that is both complicated and expensive.
It becomes possible by the present invention to so construct a plastic case, made in one piece, for tired shell cartridges of trench mortars that it produces the necessary frictional engagement, and more particularly by the fact that ribs are formed into the plastic case along the circumference thereof whose external contact circle, measured in the circumferential direction, is larger than that of the cartridge chamber. The plastic materials of known conventional type suitable for use with such cases are normally more or less yielding. If the cartridge is inserted, then the ribs deform easily and produce a good frictional contact that prevents with certainty a falling or dropping out on the part of the cartridge out of the shell or grenade.
Such ribs arranged at the circumference can be injection molded in one operation and in one piece with the cartridge case so that no additional operating steps as gluing or welding are necessary.
The ribs may extend either over the entire length or o'ver a part of the case in the longitudinal direction thereof. However, the ribs may also be of circular shape, approximately similar to the sealing ribs in bottle closure devices of plastic material, or in the form of a cone open in the direction toward the cartridge bottom. If continuous ribs extending over the entire length prove themselves as excessively rigid, they can also be subdivided into individual partial pieces.
Accordingly, it is an object of the present invention to provide a plastic case for cartridges of mortar shells which can be easily manufactured of any known suitable plastic material without entailing complicated and expensive manufacturing operations.
Another object of the present invention resides in the provision of a cartridge case for cartridge shells of trench mortars which are made entirely of plastic material yet prevent with certainty the separation of the case from the projectile or shell either during the loading or after tiring.
A further object of the present invention resides in the provision of a cartridge case of the type described above essentially consisting of a plastic material which is securely held in place by frictional engagement.
These and further objects, features, and advantages of the present invention will become more obvious from the following description when taken in connection with the accompanying drawing which shows, for purposes of illustration only, several embodiments in accordance with the present invention and wherein:
FIGURE 1 is a elevational view of a first embodiment of a plastic cartridge case for mortar shells provided with longitudinally extending ribs in accordance with the present invention which extend only over a portion of the length of the case;
FIGURE 2 is a top plan view on the case of FIG- URE l;
FIGURE 3 is an elevational view, similar to FIGURE 1, of a modified embodiment of a plastic cartridge case in accordance with the present invention provided with longitudinal ribs extending over the entire length of the case;
FIGURE 4 is a partial elevational View of a still further moditied embodiment, partly in cross section, of a plastic cartridge case for mortar shells provided with circular ribs in accordance with the present invention;
FIGURE 5 is an elevational view, similar to FIGURES l and 3, of still another modified embodiment of a plastic cartridge case for mortar shells provided with a circular rib in accordance with the present invention, with parts thereof broken away for the sake of clarity;
FIGURE 6 is a partial axial cross sectional view illustrating the cartridge of FIGURE 4 in a cartridge chamber;
FIGURE 7 is a partial axial cross sectional view of the FIGURE 5 cartridge in a cartridge chamber; and
FIGURE 8 is a partial cross sectional view perpendicular to the cartridge axis showing the cartridge according to any one of the FIGURES 1-3 in a cartridge chamber.
Referring now to the drawing wherein like reference numerals are used throughout the various views to designate like parts, reference numeral 1 designates in all figures a plastic cartridge case while reference numeral Z designates a metallic 'bottom piece, all of conventional design.
In the embodiment according to FIGURES 1 and 2, three ribs 3 are formed into the head of the case 1 which extend only over a part of the length of the case 1. The contact circle of the three ribs 3, as measured in a circumferential direction, has a diameter D which is larger than the diameter of the cartridge chamber (not shown) I of a conventional mortar. When pressing the cartridge into the chamber, the ribs 3 abut under slight deformation against the wall of the cartridge chamber andY thus hold securely fast the cartridge, as shown in FIGURE S.
The embodiment according to FIGURE 3 corresponds to that of FIGURE l, however in this embodiment the ribs 5 extend over the entire length of the case 1.
The case 1 according to FIGURE 4 is provided with a number of annularly shaped ribs 6, which, during the pressing-in operation are deformed by an easy folding 3 over when the cartridge is pressed into the cartridge chamber, as shown in FIGURE 6.
In the embodiment according to FIGURE 5, a conically shaped ring 7 open in the direction toward the cartridge bottom 2 is formed into the case 1 which ring 7 is slightly compressed from the dotted line normal unstressed position 7 as shown in FIGURE 7 during the insertion of the cartridge and which prevents by its spreading eect a falling out of the cartridge.
While we have shown and described several embodiments in accordance with the present invention, it is understood that the same is not limited thereto but is susceptible of numerous changes and modifications as known to a person skilled in the art. For example, in all of the embodiments disclosed and illustrated herein, the ribs can also be sub-divided in any suitable manner into individual sections. Furthermore, any suitable plas tic material known in the prior art which possesses the desired characteristics and properties may be used with the present invention, such as polyethylene, polystyrene, polyvinyl chloride, polyamide, acetylcellulose.
Thus, while we have shown and described several embodiments in accordance with the present invention, the same is obviously not limited thereto but may be modied in numerous ways as known to a person skilled in the art, and we therefore do not wish to be limited to the details shown and described herein but intend to cover all such changes and modifications as are encompassed by the scope of the appended claims.
We claim:
1. An integral case of plastic material for cartridges red within the predetermined fixed diameter bore of a cartridge chamber, comprising: a substantially tubular cartridge case, outwardly extending plastic rib means homogeneously integrated on the exterior of said cartridge case; the diameter of the exterior contact circle as measured in the circumferential direction of said rib means being larger than the predetermined xed diameter of the bore of the cartridge chamber within which said case is to be inserted; said rib means being operable to resiliently engage the interior of the bore of the cartridge chamber by deforming inwardly to tightly hold said case within the bore of the cartridge chamber during the firing of the propellant within said case; said rib means including a hollow annular rustum and a tubular lip axially extending from the largest diameter end of said frustum.
2. An integral case of plastic material for cartridges fired within the predetermined fixed diameter bore of a cartridge chamber, comprising: a substantially tubular cartridge case; outwardly extending plastic rib means liomogeneously integrated on the exterior of said cartridge case; the diameter of the exterior contact circle as measured in the circumferential direction of said rib means being larger than the predetermined fixed diameter of the bore of the cartridge chamber within which said case is to be inserted; said rib means `being operable to resiliently engage the interior of the bore of the cartridge chamber by deforming inwardly to tightly hold said case within the bore of the cartridge chamber during the ring of the propellant within said case; said rib means including an annular first portion outwardly and rearwardly extending from said cartridge case and a tubular portion axially rearwardly extending from the outermost end of said irst portion.
3. The device of claim 1l wherein said rib means is only at the rearward end of said cartridge case, and a metallic bottom piece closing the rearward end of said tubular cartridge case.
4. A mortar projectile comprising: a solid mortar projectile portion having a fixed diameter bore forming a cartridge chamber; a substantially tubular cartridge case within said bore; outwardly extending rib means on the exterior of said cartridge case; the diameter of the exterior contact circle, as measured in the circumferential direction before said cartridge case in inserted into said bore, of said rib means being larger than the predetermined fixed diameter of said bore; said rib means being operable to resiliently engage the interior of said bore by deforming inwardly to tightly hold said case within said bore of said cartridge chamber during the firing of the propellant within said case and projection of said projectile; and said rib means including a hollow annular frustum portion and a tubular lip axially extending from the largest diameter end of said frustum portion.
References Cited UNITED STATES PATENTS 185,548 12/1876 Kinney 102-43 1,788,637 1/1931 Schmidt 102-43 1,940,657 12/1933 Woodford 102-43 2,048,267 7/1936 Keith 102-43 3,103,170 9/1963 Covington et al. 102-43 2,178,599 11/1939 McCormick 102-49 FOREIGN PATENTS 783,204 7/1935 France. 352,334 4/1922 Germany. 1,024,067 1/1953 France.
SAMUEL W. ENGLE, Primary Examiner.
BENJAMIN A. BORCHELT, Examiner.
R. F. STAHL, Assistant Examiner.

Claims (1)

1. AN INTEGRAL CASE OF PLASTIC MATERIAL FOR CARTRIDGES FIRED WITHIN THE PREDETERMINED FIXED DIAMETER BORE OF A CARTRIDGE CHAMBER, COMPRISING: A SUBSTANTIALLY TUBULAR CARTRIDGE CASE, OUTWARDLY EXTENDING PLASTIC RIB MEANS HOMOGENEOUSLY INTEGRATED ON THE EXTERIOR OF SAID CARTRIDGE CASE; THE DIAMETER OF THE EXTERIOR CONTACT CIRCLE AS MEASURED IN THE CIRCUMFERENTIAL DIRECTION OF SAID RIB MEANS BEING LARGER THAN THE PREDETERMINED FIXED DIAMETER OF THE BORE OF THE CARTRIDGE CHAMBER WITHIN WHICH SAID
US435392A 1963-10-29 1964-10-29 Cartridge case Expired - Lifetime US3363562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED42820A DE1291261B (en) 1963-10-29 1963-10-29 Case made of plastic for launching cartridges of grenade launchers

Publications (1)

Publication Number Publication Date
US3363562A true US3363562A (en) 1968-01-16

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US435392A Expired - Lifetime US3363562A (en) 1963-10-29 1964-10-29 Cartridge case

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US (1) US3363562A (en)
AT (1) AT253391B (en)
BE (1) BE654934A (en)
CH (1) CH451751A (en)
DE (1) DE1291261B (en)
FI (1) FI42926C (en)
FR (1) FR1408033A (en)
GB (1) GB1078125A (en)
NL (1) NL6412528A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3722411A (en) * 1970-12-21 1973-03-27 Herters Inc Plastic shotshell with sealing rings
US3728966A (en) * 1968-05-07 1973-04-24 Olin Mathieson Cartridge
US3808974A (en) * 1971-11-08 1974-05-07 Herter Inc S All plastic shotshell case with transversely oriented undulations on outer cylindrical surface
US3948178A (en) * 1973-02-17 1976-04-06 Rheinmetall G.M.B.H. Propellent-charge cartridge case
US6101950A (en) * 1996-03-14 2000-08-15 Comet Gmbh Projectile simulation means
US9322625B1 (en) 2011-10-24 2016-04-26 F. Richard Langner Systems and methods for launching water from a disrupter cannon
US10611064B1 (en) * 2015-06-30 2020-04-07 The United States Of America As Represented By The Secretary Of The Army Method for sequentially fabricating a cartridge casebody through injection molding
WO2021040903A2 (en) 2019-07-16 2021-03-04 True Velocity Ip Holdings, Llc Polymer ammunition having an alignment aid, cartridge and method of making the same
US20220146238A1 (en) * 2020-11-12 2022-05-12 General Dynamics OTS - Canada, Inc. Reduced-energy cartridge with exterior sealing member for fluted chamber
US12066279B2 (en) 2022-05-06 2024-08-20 Innovative Performance Applications, Llc Polymer ammunition casing

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US185548A (en) * 1876-12-19 Improvement in cartridge-shells
DE352334C (en) * 1921-06-07 1922-04-25 Paul Collath Shotshell
US1788637A (en) * 1927-04-18 1931-01-13 Schmidt Products Inc Shotgun shell
US1940657A (en) * 1933-01-28 1933-12-19 Remington Arms Co Inc Ammunition
FR783204A (en) * 1934-03-16 1935-07-10 Improvements to metal sockets
US2048267A (en) * 1934-12-13 1936-07-21 William C Keith Shotgun shell
US2178599A (en) * 1938-03-02 1939-11-07 Edward J Mccormick Holder for divisional propellent charges
FR1024067A (en) * 1950-08-29 1953-03-27 Plastic cartridge case
US3103170A (en) * 1960-06-21 1963-09-10 Remington Arms Co Inc Tubing for cartridge casings and the like and method of making the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191403891A (en) * 1914-02-14 1915-01-14 Birmingham Metal & Munitions C Improvements relating to Cartridges.
US1103203A (en) * 1914-02-24 1914-07-14 Union Metallic Cartridge Co Cartridge-shell.
FR923605A (en) * 1946-02-05 1947-07-11 Simplified metal sleeve for hunting cartridge
FR1201788A (en) * 1959-07-22 1960-01-06 Bottle stopper device
DE1865408U (en) * 1962-04-17 1963-01-10 Varta Plastic Ges Mit Beschrae CAP FOR LIQUID CONTAINER, IN PARTICULAR CHAMPAGNE BOTTLES.
FR1326208A (en) * 1962-06-25 1963-05-03 Self-adhesive stopper for glass bottle with neck

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US185548A (en) * 1876-12-19 Improvement in cartridge-shells
DE352334C (en) * 1921-06-07 1922-04-25 Paul Collath Shotshell
US1788637A (en) * 1927-04-18 1931-01-13 Schmidt Products Inc Shotgun shell
US1940657A (en) * 1933-01-28 1933-12-19 Remington Arms Co Inc Ammunition
FR783204A (en) * 1934-03-16 1935-07-10 Improvements to metal sockets
US2048267A (en) * 1934-12-13 1936-07-21 William C Keith Shotgun shell
US2178599A (en) * 1938-03-02 1939-11-07 Edward J Mccormick Holder for divisional propellent charges
FR1024067A (en) * 1950-08-29 1953-03-27 Plastic cartridge case
US3103170A (en) * 1960-06-21 1963-09-10 Remington Arms Co Inc Tubing for cartridge casings and the like and method of making the same

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728966A (en) * 1968-05-07 1973-04-24 Olin Mathieson Cartridge
US3722411A (en) * 1970-12-21 1973-03-27 Herters Inc Plastic shotshell with sealing rings
US3808974A (en) * 1971-11-08 1974-05-07 Herter Inc S All plastic shotshell case with transversely oriented undulations on outer cylindrical surface
US3948178A (en) * 1973-02-17 1976-04-06 Rheinmetall G.M.B.H. Propellent-charge cartridge case
US6101950A (en) * 1996-03-14 2000-08-15 Comet Gmbh Projectile simulation means
US9322625B1 (en) 2011-10-24 2016-04-26 F. Richard Langner Systems and methods for launching water from a disrupter cannon
US10611064B1 (en) * 2015-06-30 2020-04-07 The United States Of America As Represented By The Secretary Of The Army Method for sequentially fabricating a cartridge casebody through injection molding
WO2021040903A2 (en) 2019-07-16 2021-03-04 True Velocity Ip Holdings, Llc Polymer ammunition having an alignment aid, cartridge and method of making the same
EP3999799A4 (en) * 2019-07-16 2023-07-26 True Velocity IP Holdings, LLC Polymer ammunition having an alignment aid, cartridge and method of making the same
US20220146238A1 (en) * 2020-11-12 2022-05-12 General Dynamics OTS - Canada, Inc. Reduced-energy cartridge with exterior sealing member for fluted chamber
US11656063B2 (en) * 2020-11-12 2023-05-23 General Dynamics OTS—Canada, Inc. Reduced-energy cartridge with exterior sealing member for fluted chamber
US12066279B2 (en) 2022-05-06 2024-08-20 Innovative Performance Applications, Llc Polymer ammunition casing

Also Published As

Publication number Publication date
BE654934A (en) 1965-02-15
FR1408033A (en) 1965-08-06
CH451751A (en) 1968-05-15
GB1078125A (en) 1967-08-02
DE1291261B (en) 1969-03-20
FI42926C (en) 1970-11-10
NL6412528A (en) 1965-05-03
FI42926B (en) 1970-08-03
AT253391B (en) 1967-04-10

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