US2721157A - Explosion resisting window - Google Patents

Explosion resisting window Download PDF

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US2721157A
US2721157A US329578A US32957853A US2721157A US 2721157 A US2721157 A US 2721157A US 329578 A US329578 A US 329578A US 32957853 A US32957853 A US 32957853A US 2721157 A US2721157 A US 2721157A
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segments
window
pane
window pane
edges
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US329578A
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Thomas P Martin
Oscar D Englehart
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PPG Industries Inc
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Pittsburgh Plate Glass Co
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/12—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against air pressure, explosion, or gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/16—Two dimensionally sectional layer
    • Y10T428/162—Transparent or translucent layer or section

Definitions

  • This invention relates to windows and more particularly to windows of the type that are adapted to resist and/or withstand the disruptive effect of high air pressures such as explosive forces, storms and the like.
  • the present invention provides an explosion resistant window that yields rather than shatters when a pressure differential is suddenly applied thereto and which preferably restores itself to its original shape when the pressure differential is removed. It has been found, as described below, that by forming the window of segments or sections of glass having adjacent edges that are inter-connected by a resilient material, a yieldable pane results that has exceptionally good resistance to explosive forces.
  • Figure 1 is an elevation of the window viewed from the side that is intended to be exposed to the high air pressure (referred to herein as the front side of the window).
  • the window shown in Figure 1 is divided by intersecting diagonals into four triangular segments that are secured together by elastic tape, as more fully described below.
  • Figure 2 is a longitudinal section taken on the line 22 of Figure 1, i. e., along the center line of the elastic tape and particularly showing the relation between the elastic tape and the glass segments.
  • Figure 3 is a section taken on the line 33 of Figure 2, that is, through one of the slots formed in the elastic tape.
  • Figure 4 is a section similar to Figure 3 but showing a modification wherein the elastic tape is omitted and the plastic interlayer forms a yieldable connection between the glass segments.
  • Figure 5 is a section similar to' those of Figures 3 and 2,721,157 Patented Oct. 18, 1955 ICC 4 but showing the manner in which the slot in the tape expands as the front of the window is subjected to high air pressure (or the rear surface of the window is subjected to reduced pressure).
  • Figure 6 is a fragmentary section taken on the line 6-6 of Figure 1 and particularly showing the metal border by means of which the window pane can be mounted in a frame.
  • the window there shown comprises a window pane 1i composed of four triangular laminated glass segments 12, 13, 14 and 15.
  • each of the triangular segments 12 to 15 is composed of two layers or lights of glass 16 and 17 having a plastic interlayer 18 therebetween.
  • the plastic interlayer 18 may be, for example, a plasticized polyvinyl acetal.
  • the adjacent edges of the triangular segments are slightly spaced apart to form relatively narrow channels 19 therebetween.
  • the four triangular segments of laminated glass 12 to 15 cooperate to form a rectangular window pane and the channels 19 are aligned with the diagonals of this rectangular pane.
  • the strips 20 of an elastic tape that are secured in any suitable manner to the exposed surface of the light 16 of the glass segment, that is, the front surface of the window.
  • the tape may be formed of any suitable elastic material such as, for example, vulcanized sheet rubber.
  • the strips of elastic tape 20 are provided with spaced slits 21 which, as shown in Figures 1 to 3 of the drawings, are aligned with the channels 19 between the triangular glass segments.
  • the slits 21 are preferably made by searing with the edge of a hot iron rather than by cutting in order to minimize their tendency to tear when pressure differentials are applied to opposite sides of the window.
  • FIG. 6 One method of mounting the window pane 11 in frame 10 is shown in Figure 6 of the drawing.
  • a thin flexible metal strip or ribbon 22 that extends beyond the perimeter of the window pane and provides a rim or border by means of which the window pane can be mounted in its frame.
  • the extending portion of the metal strip 22 is positioned against the window frame 10 and held in place by a retaining plate 23 and screws 24.
  • the perimeter of the window pane 11 is spaced somewhat from the frame 10 to permit inward flexing of the segments 12 to 15 of the window pane when they are subjected to external air pressure.
  • the present window operates when subjected to a sudden differential pressure should be largely apparent from the foregoing description. Since the window is formed of separate segments that are interconnected by a flexible tape or band, the segments can flex inwardly around axes substantially coincident with the perimeter of the window pane.
  • the slits 21 in the tape 19 provide openings through which air can flow to relieve partially the pressure difierence across the window pane.
  • Figure 5 of the drawings when the segments flex inwardly the slits 21 are stretched, and hence as the segments flex inwardly the total area of the openings available for air flow through the tape 19 increases correspondingly.
  • This window was tested by making the window pane one wall of a closed chamber and then suddenly reducing the pressure within the chamber to produce a differential pressure across the window pane.
  • the window was tested by suddenly establishing a pressure difierence of 10 lbs. /in. across the window pane, and it was found that after five successive tests at this differential pressure the window still remained essentially intact.
  • FIG. 4 of the drawing shows a modification wherein the elastic tape 20 is omitted and the plastic interlayer 18 extends across the channels 19 to provide a yieldable connection between the glass segments. It will be evident that the portions of interlayer 18 extending across the channels 19 may, if desired, be provided with slits similar to the slits 21 of the embodiment of Figure 1.
  • the present window is capable of achieving the several objects set forth at the beginning of the present specification.
  • shattering of the window and flying glass are substantially prevented; in the event that the window fails, it will fail by tearing of the yieldable material.
  • relatively high pressures and even if failure occurs the window can be readily repaired by applying new elastic tape thereto.
  • An explosion-resistant window comprising four coplanar triangular segments of laminated glass that cooperate to forma rectangular window pane, one edge of each of said segments forming a side of said window pane and the other two edges of each segment being adjacent to but slightly spacedfrom corresponding edges of other segments of said pane and a yieldable elastic material connected to each segment along the entire length of each of said other two edges of the segment and connecting adjacent segments to secure said segments together and to cooperate with said segments to provide a substantially impermeable window pane when the segments are coplanar.
  • An explosion-resistant window comprising four coplanar triangular segments of laminated glass that cooperate to form a rectangular Window pane, one edge of each of said segments forming a side of said window pane and the other two edges of each segment being adjacent to but slightly spaced from corresponding edges of other segments of said pane and elastic tape connected to one surface of each segment along the entire length of each of said other.
  • two edges of the segment and connecting adjacent segments to secure said segments to- V gether and to cooperate with said segments to provide nated segments can be mounted in flexible relation to the frame 10. If the window pane is mounted in this way by means of an extension of the plastic interlayer, it is usually desirable to make the extending portion of the plastic interlayer somewhat thicker than the portion of the interlayer that lies between the glass lights 16 and 17.
  • the yieldable material interconnecting the glass segments can be a vulcanized rubber tape or a portion of the plastic interlayer of the laminated segments. Where a separate tape is used, this tape may alternatively be made of a resilient plastic, or
  • the tape need not necessarily be applied to the surfaces of the glass segments, but can also be adhered to the adjacent edges of the segments, or laminated with the a substantially impermeable window pane when the segments are coplanar.
  • the elastic tape is vulcanized rubber tape.
  • An explosion-resistant window comprising four'coplanar triangular segments of laminated glass that cooperate to form a rectangular window pane, each of said glass segments comprising layers of glass with a plastic interlayer therebetween, one edge of each of said segments forming a side of said window pane and the other two edges of each segment being adjacent to but slightly spaced from corresponding edges of other segments of said pane, the plastic interlayer of each segment extending beyond adjacent edges and integral with the plastic interlayer of other segments to form a single continuous plastic interlayer sheet to 'provide a substantially impermeable window pane when the segments are coplanar.

Description

Oct. 18, 1955 T. P. MARTIN -ET AL EXPLOSION RESISTING WINDOW Filed Jan. 5, 1953 mmm m 5 NZ United States Patent C) EXPLOSION RESISTING WINDOW Thomas P. Martin, Natrona Heights, and Oscar D. Englehart, Brackenridge, Pa., assignors to Pittsburgh Plate Glass Company Application January 5, 1953, Serial No. 329,578
7 Claims. (Cl, 154-2.73)
This invention relates to windows and more particularly to windows of the type that are adapted to resist and/or withstand the disruptive effect of high air pressures such as explosive forces, storms and the like.
While various window constructions have been proposed which were intended to resist the effect of high air pressures, these have been subject to various difliculties and disadvantages, such as excessive cost of manufacture, poor performance in actual service and so on.
It is an object of the present invention to provide window constructions which overcome the difliculties and disadvantages of known window constructions, which are inexpensive to manufacture and maintain and which are thoroughly reliable in performance. It is another object of the invention to provide a window construction which, when subjected to an explosive force, minimizes the tendency of the glass to shatter and fly about and which can be relatively easily repaired. Other objects of the invention will be in part obvious and in part pointed out as the specification proceeds.
In one of its broader aspects the present invention provides an explosion resistant window that yields rather than shatters when a pressure differential is suddenly applied thereto and which preferably restores itself to its original shape when the pressure differential is removed. It has been found, as described below, that by forming the window of segments or sections of glass having adjacent edges that are inter-connected by a resilient material, a yieldable pane results that has exceptionally good resistance to explosive forces.
The many objects and advantages of the present invention can best be understood and appreciated by reference to the accompanying drawing which illustrates a window construction incorporating a preferred embodiment of the present invention and wherein:
Figure 1 is an elevation of the window viewed from the side that is intended to be exposed to the high air pressure (referred to herein as the front side of the window). The window shown in Figure 1 is divided by intersecting diagonals into four triangular segments that are secured together by elastic tape, as more fully described below.
Figure 2 is a longitudinal section taken on the line 22 of Figure 1, i. e., along the center line of the elastic tape and particularly showing the relation between the elastic tape and the glass segments.
Figure 3 is a section taken on the line 33 of Figure 2, that is, through one of the slots formed in the elastic tape.
Figure 4 is a section similar to Figure 3 but showing a modification wherein the elastic tape is omitted and the plastic interlayer forms a yieldable connection between the glass segments.
Figure 5 is a section similar to' those of Figures 3 and 2,721,157 Patented Oct. 18, 1955 ICC 4 but showing the manner in which the slot in the tape expands as the front of the window is subjected to high air pressure (or the rear surface of the window is subjected to reduced pressure).
Figure 6 is a fragmentary section taken on the line 6-6 of Figure 1 and particularly showing the metal border by means of which the window pane can be mounted in a frame.
Referring to the drawings and more particularly to Figure 1, the window there shown comprises a window pane 1i composed of four triangular laminated glass segments 12, 13, 14 and 15. As indicated in Figures 2 and 3, each of the triangular segments 12 to 15 is composed of two layers or lights of glass 16 and 17 having a plastic interlayer 18 therebetween. The plastic interlayer 18 may be, for example, a plasticized polyvinyl acetal. The adjacent edges of the triangular segments are slightly spaced apart to form relatively narrow channels 19 therebetween. As indicated in Figure 1, the four triangular segments of laminated glass 12 to 15 cooperate to form a rectangular window pane and the channels 19 are aligned with the diagonals of this rectangular pane.
Reverting to Figures 2 and 3 overlying the channels 19 there are strips 20 of an elastic tape that are secured in any suitable manner to the exposed surface of the light 16 of the glass segment, that is, the front surface of the window. The tape may be formed of any suitable elastic material such as, for example, vulcanized sheet rubber. The strips of elastic tape 20 are provided with spaced slits 21 which, as shown in Figures 1 to 3 of the drawings, are aligned with the channels 19 between the triangular glass segments. The slits 21 are preferably made by searing with the edge of a hot iron rather than by cutting in order to minimize their tendency to tear when pressure differentials are applied to opposite sides of the window.
One method of mounting the window pane 11 in frame 10 is shown in Figure 6 of the drawing. Referring to Figure 6, embedded in the plastic interlayer 18 at the peripheral portion of the window pane there is a thin flexible metal strip or ribbon 22 that extends beyond the perimeter of the window pane and provides a rim or border by means of which the window pane can be mounted in its frame. The extending portion of the metal strip 22 is positioned against the window frame 10 and held in place by a retaining plate 23 and screws 24. It should be noted that the perimeter of the window pane 11 is spaced somewhat from the frame 10 to permit inward flexing of the segments 12 to 15 of the window pane when they are subjected to external air pressure.
The manner in which the present window operates when subjected to a sudden differential pressure should be largely apparent from the foregoing description. Since the window is formed of separate segments that are interconnected by a flexible tape or band, the segments can flex inwardly around axes substantially coincident with the perimeter of the window pane. The slits 21 in the tape 19 provide openings through which air can flow to relieve partially the pressure difierence across the window pane. Moreover, as shown in Figure 5 of the drawings, when the segments flex inwardly the slits 21 are stretched, and hence as the segments flex inwardly the total area of the openings available for air flow through the tape 19 increases correspondingly.
It has been found by tests that windows constructed as described above are able to withstand substantial differential pressures without failure. In one series of tests a window was constructed as shown in the drawings of the present application and having the following dimensions:
Size of window pane 14-" x 19" Thickness oflights of glass Thickness of interlayer .03
Spacing between segments"; /s"
Width of elastic tape Length of slits A" Distance between slits 1" Number of slits 8 arranged as in Fig. 1.
This window was tested by making the window pane one wall of a closed chamber and then suddenly reducing the pressure within the chamber to produce a differential pressure across the window pane. The window was tested by suddenly establishing a pressure difierence of 10 lbs. /in. across the window pane, and it was found that after five successive tests at this differential pressure the window still remained essentially intact.
Referring now to Figure 4 of the drawing, this figure shows a modification wherein the elastic tape 20 is omitted and the plastic interlayer 18 extends across the channels 19 to provide a yieldable connection between the glass segments. It will be evident that the portions of interlayer 18 extending across the channels 19 may, if desired, be provided with slits similar to the slits 21 of the embodiment of Figure 1.
From the foregoing description it should be apparent 7 that the present window is capable of achieving the several objects set forth at the beginning of the present specification. By utilizing the independent segments of laminated glass interconnected by a yieldable and preferably resilient material, shattering of the window and flying glass are substantially prevented; in the event that the window fails, it will fail by tearing of the yieldable material. relatively high pressures and even if failure occurs the window can be readily repaired by applying new elastic tape thereto.
It is of course to be understood that the foregoing description is illustrative only and that numerous changes can be made within the scope of the present invention and without departing from the spirit thereof. For example, it is not essential that the particular pattern of Figure 1 be used wherein the window pane is divided into four triangular segments having edges aligned with the diagonals of the window pane. It is evident that a variety of other patterns can be used so long as the individual segments cooperate to define a window pane of the desired conpane 7 that the elastic interlayer 18 extends beyond the a perimeter of the glass to form a means whereby the lami- The window exhibits a considerable resistance to' these slits can be omitted for economy of manufacture 'and also for use in places like chemical laboratories window pane and each segment having 'two other edges being adjacent to but slightly spaced from the corresponding edges of other segments of said pane and a yieldable elastic material connected to each segment along the entire length of each of the said other two edges of the segment and connecting adjacent segments to secure said segments together and to cooperate with said segments to provide a substantially impermeable window pane when the segments are coplanar.
2. An explosion-resistant window comprising four coplanar triangular segments of laminated glass that cooperate to forma rectangular window pane, one edge of each of said segments forming a side of said window pane and the other two edges of each segment being adjacent to but slightly spacedfrom corresponding edges of other segments of said pane and a yieldable elastic material connected to each segment along the entire length of each of said other two edges of the segment and connecting adjacent segments to secure said segments together and to cooperate with said segments to provide a substantially impermeable window pane when the segments are coplanar.
3. The window of claim 2 wherein said adjacent edges are aligned with the diagonals of said rectangular window pane.
4. An explosion-resistant window comprising four coplanar triangular segments of laminated glass that cooperate to form a rectangular Window pane, one edge of each of said segments forming a side of said window pane and the other two edges of each segment being adjacent to but slightly spaced from corresponding edges of other segments of said pane and elastic tape connected to one surface of each segment along the entire length of each of said other. two edges of the segment and connecting adjacent segments to secure said segments to- V gether and to cooperate with said segments to provide nated segments can be mounted in flexible relation to the frame 10. If the window pane is mounted in this way by means of an extension of the plastic interlayer, it is usually desirable to make the extending portion of the plastic interlayer somewhat thicker than the portion of the interlayer that lies between the glass lights 16 and 17. j,
Ithas been pointed out above that the yieldable material interconnecting the glass segments can be a vulcanized rubber tape or a portion of the plastic interlayer of the laminated segments. Where a separate tape is used, this tape may alternatively be made of a resilient plastic, or
of any other flexible material that can be bonded or adhered to glass and also is yieldable under pressure. The tape need not necessarily be applied to the surfaces of the glass segments, but can also be adhered to the adjacent edges of the segments, or laminated with the a substantially impermeable window pane when the segments are coplanar.
5. The window of claim 4 wherein, the elastic tape is vulcanized rubber tape.
6. The window of claim 4 wherein said tape is provided with spaced slits aligned with spaces between said adjacent edges of said segments.
7. An explosion-resistant window comprising four'coplanar triangular segments of laminated glass that cooperate to form a rectangular window pane, each of said glass segments comprising layers of glass with a plastic interlayer therebetween, one edge of each of said segments forming a side of said window pane and the other two edges of each segment being adjacent to but slightly spaced from corresponding edges of other segments of said pane, the plastic interlayer of each segment extending beyond adjacent edges and integral with the plastic interlayer of other segments to form a single continuous plastic interlayer sheet to 'provide a substantially impermeable window pane when the segments are coplanar.
References Cited in the tile of this patent UNITED STATES PATENTS 2,202,690 Fix May 28, 1940 2,300,506 Kamerer Nov. 3, 1942 2,342,758 Saunders Feb. 29, 1944 2,382,963 Dodge Aug. 21, 1945 2,679,467 Sherts May 25, 1954 was

Claims (1)

1. AN EXPLOSION-RESISTANT WINDOW COMPRISING A PLURALITY OF COPLANAR SEGMENTS OF LAMINATED GLASS THAT COOPERATE TO FORM A WINDOW PANE, ONE EDGE OF EACH OF SAID SEGMENTS FORMING A PORTION OF THE PERIMETER OF SAID WINDOW PANE AND EACH SEGMENT HAVING TWO OTHER EDGES BEING ADJACENT TO BUT SLIGHTLY SPACED FROM THE CORRESPONDING EDGES OF THE OTHER SEGMENTS OF SAID PANE AND A YIELDING ELASTIC MATERIAL CONNECTED TO EACH SEGMENT ALONG THE ENTIRE LENGTH OF EACH OF SAID OTHER EDGES OF THE SEGMENT AND CONNECTING ADJACENT SEGMENTS TO SECURE SAID SEGMENTS TOGETHER AND TO COOPERATE WITH SAID SEGMENTS TO PROVIDE A SUBSTANTIALLY IMPERMEABLE WINDOW PANE WHEN THE SEGMENTS ARE COPLANAR.
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851388A (en) * 1954-04-26 1958-09-09 Mine Safety Appliances Co Protective shield
US2921814A (en) * 1956-12-31 1960-01-19 Trailmobile Inc Skylight structure for trailer vehicles
US4067154A (en) * 1975-02-20 1978-01-10 Fike Metal Products Corporation Instantaneous venting, non-frangible burst panel structure
US4176503A (en) * 1977-08-29 1979-12-04 H. H. Robertson Company Controlled release wall structure
US4498261A (en) * 1981-12-07 1985-02-12 Continental Disc Corporation Low pressure venting panel
US4612739A (en) * 1981-12-07 1986-09-23 Continental Disc Corporation Low pressure venting panel
DE3729870C1 (en) * 1987-09-05 1988-10-27 Flachglas Ag Anti-explosive window for buildings
US6010758A (en) * 1997-06-12 2000-01-04 Anglin, Jr.; Richard L. Shrapnel mitigation system
US20040025453A1 (en) * 2002-04-23 2004-02-12 Coddens Donald L. Blast-resistant window
US6715245B2 (en) * 2002-04-03 2004-04-06 Signature Door Co., Inc. Impact resistant pane and mounting
US20070234655A1 (en) * 2006-03-24 2007-10-11 Guy Jakus Reinforced composite material explosion vent
WO2022055249A1 (en) * 2020-09-09 2022-03-17 주식회사 긴키테크코리아 Blast resistant window for easy shock absorption

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2202690A (en) * 1938-07-07 1940-05-28 Pittsburgh Plate Glass Co Safety glass
US2300506A (en) * 1940-11-05 1942-11-03 Pittsburgh Plate Glass Co Window construction
US2342758A (en) * 1941-11-24 1944-02-29 Chrysler Corp Window
US2382963A (en) * 1942-01-10 1945-08-21 Libbey Owens Ford Glass Co Windshield or window construction
US2679467A (en) * 1951-07-21 1954-05-25 Pittsburgh Plate Glass Co Pressure blowout safety closure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2202690A (en) * 1938-07-07 1940-05-28 Pittsburgh Plate Glass Co Safety glass
US2300506A (en) * 1940-11-05 1942-11-03 Pittsburgh Plate Glass Co Window construction
US2342758A (en) * 1941-11-24 1944-02-29 Chrysler Corp Window
US2382963A (en) * 1942-01-10 1945-08-21 Libbey Owens Ford Glass Co Windshield or window construction
US2679467A (en) * 1951-07-21 1954-05-25 Pittsburgh Plate Glass Co Pressure blowout safety closure

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851388A (en) * 1954-04-26 1958-09-09 Mine Safety Appliances Co Protective shield
US2921814A (en) * 1956-12-31 1960-01-19 Trailmobile Inc Skylight structure for trailer vehicles
US4067154A (en) * 1975-02-20 1978-01-10 Fike Metal Products Corporation Instantaneous venting, non-frangible burst panel structure
US4176503A (en) * 1977-08-29 1979-12-04 H. H. Robertson Company Controlled release wall structure
US4498261A (en) * 1981-12-07 1985-02-12 Continental Disc Corporation Low pressure venting panel
US4612739A (en) * 1981-12-07 1986-09-23 Continental Disc Corporation Low pressure venting panel
EP0306836A3 (en) * 1987-09-05 1990-08-29 Flachglas Aktiengesellschaft Window for buildings protected against explosion effect
EP0306836A2 (en) * 1987-09-05 1989-03-15 Flachglas Aktiengesellschaft Window for buildings protected against explosion effect
DE3729870C1 (en) * 1987-09-05 1988-10-27 Flachglas Ag Anti-explosive window for buildings
US6010758A (en) * 1997-06-12 2000-01-04 Anglin, Jr.; Richard L. Shrapnel mitigation system
US6319571B1 (en) * 1997-06-12 2001-11-20 Richard L. Anglin, Jr. Shrapnel mitigation and fragmentation control system
US6715245B2 (en) * 2002-04-03 2004-04-06 Signature Door Co., Inc. Impact resistant pane and mounting
US20040025453A1 (en) * 2002-04-23 2004-02-12 Coddens Donald L. Blast-resistant window
US7383666B2 (en) * 2002-04-23 2008-06-10 Therm-O-Lite Blast-resistant window
US20070234655A1 (en) * 2006-03-24 2007-10-11 Guy Jakus Reinforced composite material explosion vent
US8726588B2 (en) * 2006-03-24 2014-05-20 Fike Corporation Reinforced composite material explosion vent
WO2022055249A1 (en) * 2020-09-09 2022-03-17 주식회사 긴키테크코리아 Blast resistant window for easy shock absorption

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