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US3228361A - Lightweight sandwich armor plating - Google Patents

Lightweight sandwich armor plating Download PDF

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Publication number
US3228361A
US3228361A US371686A US37168664A US3228361A US 3228361 A US3228361 A US 3228361A US 371686 A US371686 A US 371686A US 37168664 A US37168664 A US 37168664A US 3228361 A US3228361 A US 3228361A
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Prior art keywords
cells
collapsible
open ends
box
panel
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Expired - Lifetime
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US371686A
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Ritter Henry
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Avco Corp
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Avco Corp
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Priority to US371686A priority Critical patent/US3228361A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00Armour; Armour plates
    • F41H5/02Plate construction
    • F41H5/04Plate construction composed of more than one layer

Definitions

  • This invention relates to lightweight armor plating, and more particularly to a collapsible honeycombed or corrugated armor plate construction in which the honeycomb or corrugated cells may be filled with sand or other granular material prior to use.
  • the prior art has provided many armor plating arrangements for preventing the passage of a projectile. These constructions range from sandbags, which have proved relatively efifective for limited applications, to sophisticated laminated constructions. By and large, the object of each of the constructions is to decrease the penetrative power of a projectile striking the armor plate by deflecting the course of the projectile.
  • the major defect in sandbags is that even a small tear results in a loss of sand, while the major defect of the more elaborate schemes is excessive weight, primarily during transportation.
  • the primary object of this invention is to provide an armor plating construction having even greater effectiveness in preventing projectile penetration than the sandbag, and having the advantage over other arrangements of light weight and minimum volume when not in use or when being transported prior to use.
  • Another object of this invention is to provide armor plating comprised of a sandwich of sheet metal plates or reinforced plastic skins with a flexible honeycomb or corrugated core fillable with a granular material, such as sand.
  • Another object of this invention is to provide armor plating of a cellular construction in which the cells are filled with sand, the edge members of the sandwich construction being closable to retain the sand within the cells during use in an upright position.
  • Still another object of this invention is to provide armor plating consisting of two spaced sheet metal or reinforced plastic panels having a collapsible cellulor core, the cells of the core being fillable with projectile-resisting material.
  • FIGURE 1 is a plan view of the armor plating construction provided by this invention.
  • FIGURE 2 is a section taken through the line 22 of FIGURE 1;
  • FIGURE 3 is a section taken through the line 3-3 in FIGURE 1;
  • FIGURE 4 is a perspective view showing the armor plating construction in a semi-collapsed position.
  • the collapsible armor plate of this invention comprises a rigid vertical rear panel 10, a vertical front panel 12, and vertical side panels 14 and 16 hinged together at the vertical edges by means of hinges 18, 20, 22, and 24.
  • the top and bottom of the assembled vertical panels are closable by means of a top panel 26 having a vertical flange 26a and pivoted to the top horizontal edge of front panel 12 by means of a hinge 28, and a bottom panel 30 having a vertical flange 30a and pivoted to the bottom horizontal edge of front panel 12 by means of a hinge 32.
  • the inner side of the front panel 12 is lined with a self-sealing liner 34 comprised of any of the suitable wellknown rubber or plastic compounds used, for example, for lining fuel tanks of military aircraft.
  • Flexible material 36 such as reinforced canvas or other fabric, to provide additional resistance to projectile travel, is secured by cementing, or by any other suitable means, at various vertical positions spaced along the rear panel 10 and at various intermediate vertical positions along the liner 34 of the front wall 12.
  • the material 36 is thus corrugated, or formed into a cellular honeycomb or corrugated configuration, the cells of which are vertically oriented and fillable with sand 38 or other granular material.
  • holes 40 are provided in each of the four corners of the rear plate 10 and in the corresponding locations of the flanges 26a and 30a when in the closed position.
  • the apparatus For transporting the armor plate, the apparatus is emptied of sand by simply removing the bolts securing the bottom flange 30a to the rear panel ll), thereby permitting the opening of the bottom panel 3
  • the upper panel 26 may be pivoted from its horizontal position to a vertical position, and the entire structure may be collapsed, the material 36 compressing into folds. In this condition, the armor plate has minimum Weight and minimum volume.
  • the armor plate may be installed while empty and then filled with sand or other granular material prior to actual need.
  • sand or other granular material
  • the armor plate may be installed while empty and then filled with sand or other granular material prior to actual need.
  • a projectile pierces the front Wall 12
  • only the sand in a cell adjacent the rupture of the front wall is permitted to escape to the extent not otherwise prevented by the self-sealing action of the liner 34.
  • This is highly advantgeous as compared with a sandbag which is generally rendered entirely ineffective once it has been ruptured and the sand is permitted to flow from it.
  • the armor plate of this invention has the advantages of a construction in which the granular material 38 is not removable, and yet retains most of the advantages of the ordinary sandbag which may be filled in the field prior to use.
  • the armor plate is shown as a complete assembly mountable on apparatus to be protected, it is within the purview of this invention that the structure illustrated may comprise a permanent part of the apparatus, e.g., the panel 10 may constitute the inner wall of a vehicle to which the remaining panels are hinged.
  • the panel 10 may constitute the inner wall of a vehicle to which the remaining panels are hinged.
  • canvas or fabric is illustrated as the material for forming the corrugation, many other materials are also available; for example, the material may be comprised of hinged sheet metal or it may be comprised of other bulletproof-type flexible materials which may be secured in a manner similar to canvas.
  • a laminated armor plate comprising:
  • first, second, third, and fourth rectangular side panels hinged at adjacent parallel edges to form a collapsible rectangular box-like structure with two opposing open ends;
  • a collapsible cellular structure having non-communicating cells, said cellular structure being secured to two opposing side panels interior of said box-like structure, said cellular structure being collapsible with said box-like structure and the cells thereof being oriented in the direction of the open ends;
  • one of said first, second, third, and fourth side panels is a front side panel, and wherein the interior of said front side panel is lined with a self-sealing liner.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Description

Jan. 11, 1966 H. RITTER 3,228,361
INVENTOR.
HENRY RITTER ATTORNEYS.
Patented Jan. 11, 1966 3,228,361 LIGHTWEIGHT SANDWICH ARMOR PLATING Henry Ritter, Nashville, Tenn, assignor to Avco Corporation, Nashville, Tenn, a corporation of Delaware Filed June 1, 1964, Ser. No. 371,686 8 Claims. (Cl. 109-84) This invention relates to lightweight armor plating, and more particularly to a collapsible honeycombed or corrugated armor plate construction in which the honeycomb or corrugated cells may be filled with sand or other granular material prior to use.
The prior art has provided many armor plating arrangements for preventing the passage of a projectile. These constructions range from sandbags, which have proved relatively efifective for limited applications, to sophisticated laminated constructions. By and large, the object of each of the constructions is to decrease the penetrative power of a projectile striking the armor plate by deflecting the course of the projectile. The major defect in sandbags is that even a small tear results in a loss of sand, while the major defect of the more elaborate schemes is excessive weight, primarily during transportation.
The primary object of this invention is to provide an armor plating construction having even greater effectiveness in preventing projectile penetration than the sandbag, and having the advantage over other arrangements of light weight and minimum volume when not in use or when being transported prior to use.
Another object of this invention is to provide armor plating comprised of a sandwich of sheet metal plates or reinforced plastic skins with a flexible honeycomb or corrugated core fillable with a granular material, such as sand.
Another object of this invention is to provide armor plating of a cellular construction in which the cells are filled with sand, the edge members of the sandwich construction being closable to retain the sand within the cells during use in an upright position.
Still another object of this invention is to provide armor plating consisting of two spaced sheet metal or reinforced plastic panels having a collapsible cellulor core, the cells of the core being fillable with projectile-resisting material.
For a better understanding and for further objects of this invention, reference should now be made to the following detailed specification in which:
FIGURE 1 is a plan view of the armor plating construction provided by this invention;
FIGURE 2 is a section taken through the line 22 of FIGURE 1;
FIGURE 3 is a section taken through the line 3-3 in FIGURE 1; and
FIGURE 4 is a perspective view showing the armor plating construction in a semi-collapsed position.
The collapsible armor plate of this invention comprises a rigid vertical rear panel 10, a vertical front panel 12, and vertical side panels 14 and 16 hinged together at the vertical edges by means of hinges 18, 20, 22, and 24. The top and bottom of the assembled vertical panels are closable by means of a top panel 26 having a vertical flange 26a and pivoted to the top horizontal edge of front panel 12 by means of a hinge 28, and a bottom panel 30 having a vertical flange 30a and pivoted to the bottom horizontal edge of front panel 12 by means of a hinge 32. When the top and bottom panels 26 and 30 are in the closed position; i.e., when the flanges 26a and 30a abut the rear wall 10, a rigid box-like structure is formed. However, when the top and bottom panels 26 and 30 are pivoted outwardly, as shown in FIGURE 4, the structure then becomes collapsible.
The inner side of the front panel 12 is lined with a self-sealing liner 34 comprised of any of the suitable wellknown rubber or plastic compounds used, for example, for lining fuel tanks of military aircraft. Flexible material 36, such as reinforced canvas or other fabric, to provide additional resistance to projectile travel, is secured by cementing, or by any other suitable means, at various vertical positions spaced along the rear panel 10 and at various intermediate vertical positions along the liner 34 of the front wall 12. The material 36 is thus corrugated, or formed into a cellular honeycomb or corrugated configuration, the cells of which are vertically oriented and fillable with sand 38 or other granular material.
For the purpose of mounting the armor plate on the apparatus to be protected; for example, on a tank, truck, or other military-type vehicle, or on a shelter, or to form a shelter, holes 40 are provided in each of the four corners of the rear plate 10 and in the corresponding locations of the flanges 26a and 30a when in the closed position.
For transporting the armor plate, the apparatus is emptied of sand by simply removing the bolts securing the bottom flange 30a to the rear panel ll), thereby permitting the opening of the bottom panel 3|) and draining the sand from the cells of the honeycombed or corrugated flexible material 36. To reduce the volume of the thenemptied armor plate, the upper panel 26 may be pivoted from its horizontal position to a vertical position, and the entire structure may be collapsed, the material 36 compressing into folds. In this condition, the armor plate has minimum Weight and minimum volume.
For actual use on a military vehicle, the armor plate may be installed while empty and then filled with sand or other granular material prior to actual need. In the event that a projectile pierces the front Wall 12, only the sand in a cell adjacent the rupture of the front wall is permitted to escape to the extent not otherwise prevented by the self-sealing action of the liner 34. This is highly advantgeous as compared with a sandbag which is generally rendered entirely ineffective once it has been ruptured and the sand is permitted to flow from it.
Thus, the armor plate of this invention has the advantages of a construction in which the granular material 38 is not removable, and yet retains most of the advantages of the ordinary sandbag which may be filled in the field prior to use.
Although the armor plate is shown as a complete assembly mountable on apparatus to be protected, it is within the purview of this invention that the structure illustrated may comprise a permanent part of the apparatus, e.g., the panel 10 may constitute the inner wall of a vehicle to which the remaining panels are hinged. Moreover, while canvas or fabric is illustrated as the material for forming the corrugation, many other materials are also available; for example, the material may be comprised of hinged sheet metal or it may be comprised of other bulletproof-type flexible materials which may be secured in a manner similar to canvas.
Many other modifications and adaptations will at once become apparent to persons skilled in the art, and it is intended therefore that this invention be limited only by the scope of the appended claims as interpreted in the light of the prior art.
What is claimed is:
1. A laminated armor plate comprising:
first, second, third, and fourth rectangular side panels hinged at adjacent parallel edges to form a collapsible rectangular box-like structure with two opposing open ends;
a collapsible cellular structure having non-communicating cells, said cellular structure being secured to two opposing side panels interior of said box-like structure, said cellular structure being collapsible with said box-like structure and the cells thereof being oriented in the direction of the open ends; and
means for closing the open ends of said box-like structure, said cells being fillable with granular material prior to closing one of said open ends.
2. The invention as defined in claim 1 wherein one of said first, second, third, and fourth side panels is a front side panel, and wherein the interior of said front side panel is lined with a self-sealing liner.
3. The invention as defined in claim 2 wherein said open ends are closed by means of fifth and sixth rectangular panels hinged to opposite edges of said front panel.
The invention as'defined'in' claim S'Whereinsaid front panel is in a vertical plane, and wherein said fifth and sixth panels are top and bottom panels, respectively.
5. The invention as defined in claim 4 wherein the panel opposite said front panel is a rear panel; and wherein said top and bottom panels are provided with vertical flanges abutting said rear panel when in a closed position.
6. The invention as defined in claim 5 wherein said granules are sand.
References Cited by the Examiner UNITED STATES PATENTS 787,065 4/ 1905 White. 2,348,130 5/1944 Hardy 109-34 2,512,522 6/1950 Denny 2206 2,550,830 5/1951 lav/is et al ll 22'0-6 FOREIGN PATENTS 1,042,430 10/ 1958 Germany.
20 HARRISON R. MOSELEY, Primary Examiner.
REINALDO P. MACHADO, Examiner.
L. J. SANTISI, Assistant Examiner.

Claims (1)

1. A LAMINATED ARMOR PLATE COMPRISING: FIRST, SECOND, THIRD AND FOURTH RECTANGULAR SIDE PANELS HINGED AT ADJACENT PARALLEL EDGES TO FORM A COLLAPSIBLE RECTANGULAR BOX-LIKE STRUCTURE WITH TWO OPPOSING OPEN ENDS; A COLLAPSIBLE CELLULAR STRUCTURE HAVING NON-COMMUNICATING CELLS, SAID CELLULAR STRUCTURE BEING SECURED TO TWO OPPOSING SIDE PANELS INTERIOR OF SAID BOX-LIKE STRUCTURE, SAID CELLULAR STRUCTURE BEING COLLAPSIBLE WITH SAID BOX-LIKE STRUCTURE AND THE CELLS THEREOF BEING ORIENTED IN THE DIRECTION OF THE OPEN ENDS; AND MEANS FOR CLOSING THE OPEN ENDS OF SAID BOX-LIKE STRUCTURE, SAID CELLS BEING FILLABLE WITH GRANULAR MATERIAL PRIOR TO CLOSING ONE OF SAID OPEN ENDS.
US371686A 1964-06-01 1964-06-01 Lightweight sandwich armor plating Expired - Lifetime US3228361A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765299A (en) * 1968-09-06 1973-10-16 Us Army Universal applique armor
US3969563A (en) * 1969-08-28 1976-07-13 Hollis Sr Russell E Protective wall structure
US4838166A (en) * 1985-12-19 1989-06-13 Messerschmitt-Bolkow-Blohm Gmbh Casing for the protection of explosive charges
US20070214951A1 (en) * 2004-04-07 2007-09-20 Swinson John S Blast protection system
US20070264078A1 (en) * 2004-09-08 2007-11-15 Luciano Riotto Anti-Break-Through Barrier
US20080006146A1 (en) * 2004-12-20 2008-01-10 Bjorn Magnusson Light Ballistic Protection As Building Elements
US20080078038A1 (en) * 2006-09-28 2008-04-03 Hossein Borazghi Fiber reinforced thermoplastic composite panel
US20080173167A1 (en) * 2006-09-15 2008-07-24 Armor Holdings Vehicular based mine blast energy mitigation structure
WO2008143662A1 (en) * 2007-05-16 2008-11-27 John Hughes Ballistic construction panel
WO2010023359A1 (en) 2008-08-28 2010-03-04 Kenno Tech Oy Arrangement and method for handling of structural elements
US20100186345A1 (en) * 2006-03-11 2010-07-29 Hughes Jr John P Ballistic construction panel
US20110107904A1 (en) * 2007-08-15 2011-05-12 University Of Virginia Patent Foundation Synergistically-Layered Armor Systems and Methods for Producing Layers Thereof
US8402875B2 (en) 2007-09-19 2013-03-26 Roger DeGreef Armor plated device
US9228805B1 (en) * 2012-11-08 2016-01-05 The United States Of America As Represented By The Secretary Of The Navy Corrugated blast frequency control panel and method
US9441920B2 (en) * 2014-08-27 2016-09-13 David Fryderyk Fernandez Armor materials and structures and methods
US20180292182A1 (en) * 2017-04-10 2018-10-11 Contego Research, LLC Field-deployable ballistic protection system
US10378207B2 (en) * 2014-04-14 2019-08-13 Les Richard Gonda Systems, devices, and/or methods for constructing towers

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US787065A (en) * 1902-04-25 1905-04-11 Frank G White Armor-plate.
US2348130A (en) * 1941-02-07 1944-05-02 Jr Charles J Hardy Armor plating
US2512522A (en) * 1948-10-22 1950-06-20 Denny Orion Brooks Folding bread crate
US2550830A (en) * 1947-08-28 1951-05-01 Albert M Lewis Collapsible box
DE1042430B (en) * 1957-10-03 1958-10-30 Ver Leichtmetallwerke Gmbh Bulletproof material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US787065A (en) * 1902-04-25 1905-04-11 Frank G White Armor-plate.
US2348130A (en) * 1941-02-07 1944-05-02 Jr Charles J Hardy Armor plating
US2550830A (en) * 1947-08-28 1951-05-01 Albert M Lewis Collapsible box
US2512522A (en) * 1948-10-22 1950-06-20 Denny Orion Brooks Folding bread crate
DE1042430B (en) * 1957-10-03 1958-10-30 Ver Leichtmetallwerke Gmbh Bulletproof material

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765299A (en) * 1968-09-06 1973-10-16 Us Army Universal applique armor
US3969563A (en) * 1969-08-28 1976-07-13 Hollis Sr Russell E Protective wall structure
US4838166A (en) * 1985-12-19 1989-06-13 Messerschmitt-Bolkow-Blohm Gmbh Casing for the protection of explosive charges
US20070214951A1 (en) * 2004-04-07 2007-09-20 Swinson John S Blast protection system
US7568857B2 (en) * 2004-09-08 2009-08-04 Cos.Me. Costruzioni Metalliche Srl Anti-break-through barrier
US20070264078A1 (en) * 2004-09-08 2007-11-15 Luciano Riotto Anti-Break-Through Barrier
US20080006146A1 (en) * 2004-12-20 2008-01-10 Bjorn Magnusson Light Ballistic Protection As Building Elements
US7827897B2 (en) * 2004-12-20 2010-11-09 Protaurius Aktiebolag Light ballistic protection as building elements
US8544240B2 (en) 2006-03-11 2013-10-01 John P. Hughes, Jr. Ballistic construction panel
US20100186345A1 (en) * 2006-03-11 2010-07-29 Hughes Jr John P Ballistic construction panel
US20080173167A1 (en) * 2006-09-15 2008-07-24 Armor Holdings Vehicular based mine blast energy mitigation structure
US20080078038A1 (en) * 2006-09-28 2008-04-03 Hossein Borazghi Fiber reinforced thermoplastic composite panel
WO2008143662A1 (en) * 2007-05-16 2008-11-27 John Hughes Ballistic construction panel
US20110107904A1 (en) * 2007-08-15 2011-05-12 University Of Virginia Patent Foundation Synergistically-Layered Armor Systems and Methods for Producing Layers Thereof
US8402875B2 (en) 2007-09-19 2013-03-26 Roger DeGreef Armor plated device
US9377275B2 (en) 2007-09-19 2016-06-28 Roger DeGreef Armor plated device
WO2010023359A1 (en) 2008-08-28 2010-03-04 Kenno Tech Oy Arrangement and method for handling of structural elements
EP2329086A4 (en) * 2008-08-28 2016-11-30 Kenno Tech Oy Arrangement and method for handling of structural elements
US9228805B1 (en) * 2012-11-08 2016-01-05 The United States Of America As Represented By The Secretary Of The Navy Corrugated blast frequency control panel and method
US10378207B2 (en) * 2014-04-14 2019-08-13 Les Richard Gonda Systems, devices, and/or methods for constructing towers
US9441920B2 (en) * 2014-08-27 2016-09-13 David Fryderyk Fernandez Armor materials and structures and methods
US20180292182A1 (en) * 2017-04-10 2018-10-11 Contego Research, LLC Field-deployable ballistic protection system

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