|Publication number||US3292748 A|
|Publication date||Dec 20, 1966|
|Filing date||Jun 1, 1964|
|Priority date||Jun 1, 1964|
|Publication number||US 3292748 A, US 3292748A, US-A-3292748, US3292748 A, US3292748A|
|Inventors||Arnold S Rifkin|
|Original Assignee||Arnold S Rifkin|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (6), Referenced by (37), Classifications (12)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Dec. 20, 1966 A. s. RlFKlN 3,292,743
FIRE-RESISTANT ENCLOSURE Filed June 1, 1964 2 Sheets-Sheet INVENTOR.
ARNOLD S. RIFKIN ATTORNEY Dec. 20, 1966 A. s. RIFKIN 3, 2,
FIRERES I STANT ENCLOSURE Filed June 1, 1964 2 Sheets-Sheet 2 INVENTOR. ARNOLD S. RIFKIN Ma. FM
ATTORNEY United States Patent 3,292,748 FIRE-RESISTANT ENCLOSURE Arnold S. Rifkin, 200 Riverside Drive, Wilkes-Barre, Pa. 18702 Filed June 1, 1964, Ser. No. 371,557 4 Claims. (Cl. 190--53) This invention relates generally to fire-resistant enclosures, and is especially concerned with a highly improved openable closure for fire-resistant enclosures.
While the device of the present invention has been primarily developed and employed as a receptacle or bag for protecting irreplaceable material in transit, and is illustrated and described hereinafter with particular reference thereto, it is appreciated that the invention is capable of many varied applications, all of which are intended to be comprehended herein.
In the transportation of irreplaceable records, documents, and the like, the hazard of damage by fire is of great concern. There have in the past been provided a variety of fire-resistant receptacles or bags intended for this purpose. In such bags, the region of bag opening was often that of least resistance to heat and fire, and therefore required the addition of relatively expensive and cumbersome flaps, or other such structure to increase protection in this area.
It is an important object of the present invention to provide a fire-resistant bag of the type described which effectively overcomes the above-mentioned difiiculties, and produces an enclosure or bag of considerably greater resistance to heat and fire than was heretofore possible, and eliminates the previous need for flaps overlying the region of bag opening.
It is another object of the present invention to provide a fire-resistant bag construction having the advantageous characteristics mentioned in the preceding paragraph, which greatly facilitates use, enabling a user to merely open and close the bag in the same manner as with conventional, non-fire-resistant bags, while providing the aforementioned greatly enhanced fire protection.
It is still another object of the present invention to provide a fire-resistant enclosure of the type described which is extremely simple in construction, durable and reliable throughout a long useful life, and which can be economically manufactured for sale at a reasonable price.
Other objects of the present invention will become apparent upon reading the following specification and referring to the accompanying drawings, which form a material part of this disclosure.
The invention accordingly consists in the features of construction, combinations of elements, and arrangements of parts, which will be exemplified in the construction hereinafter described, and of which the scope will be indicated by the appended claims.
In the drawings:
FIGURE 1 is a top perspective view showing a fireresistant bag constructed in accordance with the teachings of the present invention, the bag being illustrated as partially open;
FIGURE 2 is a partial top plan view of the bag of FIGURE 1;
FIGURE 3 is a fragmentary sectional elevational view taken generally along the line 33 of FIGURE 1; and
FIGURE 4 is a partial plan view taken generally along the line 4-4 of FIGURE 3.
Referring now more particularly to the drawings, and specifically to FIGURE 1 thereof, an enclosure or bag is there generally designated and may be fabricated of suitable flexible sheet material, as will appear more fully hereinafter. The bag 10 may include a bottom or bottom wall 11, and upward extensions on opposite sides thereof providing a pair of side walls 12. A top wall 13 is provided spaced over the bottom wall 11 and extending laterally between opposite side walls 12, while depending extensions at oppoosite ends of the top wall define a pair of end walls 14. The top wall 13 and end walls 14 may be subdivided by a continuous opening 15 extending be tween opposite ends of the bottom wall 11 in spaced relation between the edges of side walls 12. Thus, the top wall 13 and end walls 14 are separable, the top wall being subdivided into a pair of wall portions 16 each adjacent to one side wall 12, and the end walls being subdivided into a pair of wall portions 17, each adjacent to a respective side wall.
Along the edges of each wall portion 13 and its adja cent wall portions 16 are provided fastener fabrics 20 and 21. That is, one fastener fabric 20 extends along the continuous edge defined by integral wall portions 16 and 17, and the other fastener fabric 21 extends along the continuous edge defined by the other integral wall portions 16 and 17. The fastener fabrics 20 and 21 are complementary or mating and of the type disclosed in US. Patent No. 2,717,437 and sold under the trademark Velcro.
Also secured along the continuous edges of integral wall portions 16 and 17 are mating slide-fastener elements 22 and 23 carrying a slider 24. A slider lock 25 may be secured in the opening 15 at one end thereof, adjacent to the bottom wall 11 for releasably locking the slider 24 in its fully closed position. The slider lock 25 may advantageously be of the type disclosed in US. Patent No. 1,950,415 and sold under the trademark Arcolock. The slider lock 25 may -be key operated, as by a key-receiving plug 26, and include a movable locking head 27 for releasably locking the slider 24 in a recessed anvil 28.
Secured to respective end-wall portion 17, adjacent to and on opposite sides of the slider lock 25 may be a pair of flexible cover elements or flaps 30 and 31. The flaps 30 and 31 are swingable between their illustrated open position extending away from the end wall 14 and a closed position overlying each other and the slider lock 25. One of the flaps 30 is provided on its outer surface, along its swinging edge with a strip of fastener fabric 32, while the other flap 31 is provided on its inner surface adjacent to its swinging edge with a strip of complementary fastener fabric 33. When the flaps 30 and 31 are swung into partially overlying relation to place the fastener fabrics 32 and 33 into facing engagement, the latter are effectively secured together to protect and conceal the slider lock 25. The slider lock 25 may be fixed in position by bolting to a base 35 which is fixed to the bottom wall 11 by suitable fastener means 36.
The wall portions 16, together with the fastener fabrics 20 and 21, and slide-fastener elements 22 and 23, are all shown in greater detail in FIGURES 3 and 4.
In particular, each wall portion 16 may be fabricated of outer and inner layers 40 and 41 of flexible sheet matrial, such as army duck. The outer layers 40 are advantageously of heavy, fire-resistant army duck, while the inner layers 41 are preferably of 10.38 army duck. Sandwiched between the outer and inner layers 40 and 41 of each wall portion 16 is a center or core layer 42 of heat-insulating or refractory material, such as aluminumresin-coated asbestos. The wall portions 16, while flexible, are possessed of a degree of stiffness sufficient for purposes appearing presently.
In a closed condition shown in FIGURES 3 and 4, the wall portions 16 are in substantial alignment with their edges 43 in adjacent facing relation. Further, the edge 43 of one wall portion 16, the right-hand portion as seen in FIGURE 3, is covered or bound with a strip of male 3 fastener fabric 20, while the adjacent edge of left-hand wall portion 16 is covered or bound with a strip of female fastener fabric 21. The strip of fastener fabric 20 thus extends in covering relation along its adjacent wallportion edge 43 and overlies the adjacent edge margins of sheets 40 and 41, being secured in position by a line of stitching 44 extending along and spaced from the adjacent edge 43. Similarly, the fastener-fabric strip 21 covers the edge 43, of the left-hand wall portion 16, extending therealong, and overlies the adjacent edge margins of outer and inner layers or sheets 40 and 41, being secured in position by a line of stitching 45 extending along and spaced from the adjacent edge 43. In the illustrated, closed position of FIGURE 3, the fastener-fabric portions covering the edges 43 are in facing engagement with each other and thereby effectively secured together.
The slide-fastener elements 22 are carried by a flexible stripor stringer 48 extending longitudinally along and overlying the fastener-fabric strip 20. The outer side margin of stringer or strip 48 may be covered with a binding 49 and secured to the adjacent nether wall portion 16 by a line of stitching 50. The stitching 50 thus extends longitudinally along the edge 43 of the right-hand wall portion 16, as seen in FIGURE 4, and is spaced inwardly therefrom beyond the fastener fabric 20.
Similarly, the slide-fastener elements 23 are carried by an elongate strip or stringer 51 having an edge margin thereof covered by a binding 52 and secured by a line of stitching 53 which extends longitudinally along and is spaced from the edge 43 of the left-hand wall portion 16 beyond the fastener fabric 21.
In operation, mere closure of the slide-fastener ele- I ments 22 and 23 by conventional movement of slider 24 serves to draw together wall-portion edges 43 and secure fastener fabrics 20 and 21 by facing engagement thereof, as illustrated in FIGURE 3. Facing engagement and securement of fastener fabrics 20 and 21 by closing movement of slider 24 is assured by the stiffness of the wall portions 16 between the securement stitches 50 and 53, and the edges 43. Further, even upon flexure of the top bag wall 13, with the latter in closed condition, the fasbag opening 15 is closed.
This structure, including the slide-fastener elements 22, 23 secured outwardly of the wall portions 16, and the wall-portion edges 43 secured by the fastener fabric 20, 21 inwardly of the slide-fastener elements has been proved of greatly increased fire resistance over the prior flaptype bag construction.
From the foregoing, it is seen that the present invention provides a fire-resistant enclosure or bag which fully accomplishes its intended objects and is well adapted to meet practical conditions of manufacture and use.
Although the present invention has been described in some detail by way of illustration and example for purposes of clarity of understanding, it is understood that certain changes and modifications may be made within the spirit of the invention and scope of the appended claims.
What is claimed is:
1: I a fi es ta t en lesvr the nati a 9 11* prising a pair of fire-resistant walls movable into and out of edge-to-edge relation, slide-fastener means on said walls and closable to move the walls into and releasably retain the walls in said relation, and complementary fastener fabrics on the edges of said walls and movable therewith into secured relation upon closing of said slide-fastener means, said slide-fastener means being secured to the outer sides of said walls along securement lines spaced from the adjacent wall edges, and said walls being of suflicient stiffness to extend toward each other between said securement lines, said walls each including outer and inner.
layers of flexible sheet material, and a core layer of asbestos material sandwiched between said outer and inner layers.
3. A fireproof bag comprising a receptacle fabricated of flexible sheet material and having wall portions movable into and out of a closed adjacent edge-to-edge rela- 7 tion, complementary slide-fastener elements secured to the outer sides of respective wall portions along and spaced from the adjacent'edges thereof and closable to move said wall portions into and releasably retain the wall portions in said relation, and complementary fastener fabrics on respective adjacent edges of said wall portions and movable therewith into secured engagement upon closure of said slide-fastener elements, said fastener fabrics each being bound about the edge of a respective wall portion for facing engagement of said fastener fabrics with said wall portions in edge-to-edge relation and upon flexure of said wall portions.
4. A fireproof bag comprising a receptacle fabricated of flexible sheet material and having wall portions movable into and out of a closed adjacent edge-to-edge relation, complementary slide-fastener elements secured to the outer sides of respective wall portions along and spaced from the adjacent edges thereof and closable to move said wall portions into and releasably retain the wall portions in said relation, and complementary fastener fabrics on respective adjacent edges of said wall portions and movable therewith into secured engagement upon closure of said slide-fastener elements, said wall portions each including outer and inner layers of flexible sheet material, and a core layer of asbestos material sandwiched between said outer and inner layers, said wall portions being of suflicient stiffness to extend toward each other between the regions of securement of said slidefastener elements.
References Cited by the Examiner UNITED STATES PATENTS 1,681,923 8/1928 Collins 19041 1,991,943 2/ 1935 Keviczky 19041 2,561,891 7/1951 Tucker. 2,674,289 4/1954 Silverman -3 3,143,748 8/1964 Manning 1 3,185,198 5/1965 Bryon 19053 JOSEPH R. LECLALR, Primary Examiner.
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|U.S. Classification||190/119, 190/903, 383/110, 383/61.3, 24/390, 24/450, 383/113, 190/125|
|Cooperative Classification||Y10S190/903, A45C3/00|