Патент USA US2106251код для вставки
Jan. 25, 1938. ‘A F. G. LUDWIG _' - WINDOW STRUCTURE Filed Feb.' 25, 1937 Ü ~ 2,106,251 - ‘2,106,251 'Patented .1m25.193s ' 1UNITED- STATES PATENT oFFlc-'E 2,106,251 ' vwnmow STRUGrUBE G. Ludwig, rmkpon, nl.V _ a Application February z3, 19er, seriaim.- 126,966 5 Claims. . A This invention relates to window structures and more especially to such structures as_apply to windows of 4motor vehicles. A AAs is >well known, by> the present type of win 5 dow construction for motor 'vehicles frosting oc curs on the inner` side of thevglass during cold _ weather, and it is verydifilcult to prevent this (c1. zii-56.5) ' ~ ' ’ ‘ paneA I5, separated by an .evacuated space I6. The inner pane I I comprises a sheet of glass I1 having a- layer of celluloid I8 suitably adhered thereto and preferably on the side presented t0 the evacuated space I6. The celluloid I8 is 5 adapted to maintain the'glass I1 shatter-resist ing or shatterproof in case of injury or accidental formation because of the unavoidable humidity fracturing of the glass. Simi1ar1y,~the outer pane in. the passenger compartment which condensès `I5 comprises a glass sheet I9, the inner surface 10 on the inner side of the glass when the outer side "of‘ which has similarly secured to yit a celluloid 10 of the'glass is cold. sheetuZli. Theedges of the panes ‘I4 and I5 are It is to overcome this that my present invention separated by a suitable spacing strip 2i, and if has been conceived and developed and consists es `desired the glass may be fused together forming sentially in the formation of the window panes 15 into a unit having an inner pane and an outer paneseparated by an levacuated space so that the fused edge 22. ~ . f _ i It may be found desirable in practice to provide 15 panes I4 and I5 each with two layers of glass, 4„I1 the transfer of heat- or temperature from the in and I'Ia and I 9 and |9a, and provide the celluloid vwith both its surfaces 'cemented ~to the glass.' By of the inner pane will be prevented. _- ~ this arrangement greater strength is provided 20- It is therefore Aan object of my invention to and there is reduced tendency of the celluloid to 20 provide a simple practical and inexpensive article become waved or wrinkled or spotted due to ex- - > of the character described. - » treme changes of temperature. The double> pane Another object is to provide a window glass . construction of Fig. 7 may be provided with the construction adapted to prevent frosting of' win fused edge of Fig. 2 as illustrated in Figs. 4 and 25 dows in cold weather. - _5, wherein windows V23 are suitably set in 25 Another object is to provide a window glass Aframes 24. ' having improved heat and cold resisting charac .From the foregoing description it will be ap teristics. parent that the evacuated space I6 provided be Other objects and advantages will appear and tweenthe panes Il and I5 will permit the outer ner to the' outer side will’not occur and frosti Y 30 be brought >out more fully in the following speci- - pane I5 to be kept at a temperature very mate-` $0 - fication, reference being had to the accompanying rially lower than that of the inner pane I4, such drawing, wherein: - Fig. 1 is a partial view of a motor vehicle body having windows constructed according to my in 35 vention; . that the moisture of the air in the passenger compartment of the motor vehicle will not con dense upon the inner pane, whichunder these . circumstances will not ordinarily become cold' 35' _ Fig. 2 is an enlarged fragmentary section taken enough to condense this moisture into frost for along the line 2-2 of Fig.- 1; ' mation. ¿ ’ Fig. 3 is a perspective view of a portion of the ì While I have illustrated and described the pre pane of Figs. 1 and 2; ferred form of construction for carrying my in- - 40 Fig. 4 is a fragmentary view of a building- wall showing the windows constructed according to my invention; Fig. 5 is an enlarged section taken along the line 5-5 of Fig. 4; 45. _ ' Fig. 6 is a cross-section of a Window construc tion employing a modiñcation of my invention; and ' - Fig. 'I is a ‘similar view illustrating a further modification. vention into effect, this is capable of variation 40' and modification- without departing from .the spirit ofthe invention. I, therefore, do not wish to be limited to the precise’details of construc on set forth, but desire to avail myself -of such variations and modifications as come within the 45 l scope of the appended claims. - Having thus described my> invention, what I ` claim as new and desire'to secure by LettersiPat ent is: - ' - 5o Referring more particularly _to the drawing. 1. A window structure as described, comprising 50 and especially Figs. 1-3, I show a fragmentary spaced panes fused together at the edges, said portion of a motor vehicle body I0 having a front space being evacuated, and said panes having in windshield frame .Il provided with a windshield ner surfaces thereof provided with shatterproof glass I2 and having a'side> window I3. 'I'he win 55 dowv I2 comprises an inner pane I4,_and an outer .2. A window structure as> described, comprising. u material. . ' _ . - . - . 2 . 2,106,251 thereof, said space being evacuated, and said spaced panes fused together at the edges, said space being evacuated, and said panes having ' shatterproof material secured on the inner sur faces thereof. _ l - 3. _A window structure as described, comprising spaced panes fused together at the edge portions thereof, said space being evacuated, and said panes each comprising a pair of panes having a layer of shatterproof material therebetween. 4. A window structure as described, comprising 10 spaced panes fused together at the edge portions panes each ‘comprising a pair of panes secured y to the opposite sides of a sheet of shatterproof material. ’ _ 5. A window structure as described, comprising spaced- panes fused together at the edge portions thereof, said space being evacuated, and said panes each comprising a unit having a layer of shatterproof material embedded in the central portion thereof. , 10 . FRANK G. LUDWIG.