US1937342A - Material for controlling illumination - Google Patents
Material for controlling illumination Download PDFInfo
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- US1937342A US1937342A US303008A US30300828A US1937342A US 1937342 A US1937342 A US 1937342A US 303008 A US303008 A US 303008A US 30300828 A US30300828 A US 30300828A US 1937342 A US1937342 A US 1937342A
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- light
- window
- transverse elements
- sheet
- tension
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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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
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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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B2009/2423—Combinations of at least two screens
- E06B2009/2429—One vertical sheet and slats
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B2009/2423—Combinations of at least two screens
- E06B2009/2435—Two vertical sheets and slats in-between
Definitions
- This invention relates to improvements in material for controlling illumination and method of using the same, and more particularly to ma terial highly desirable for window shades or the like of such construction that the same may be varied as circumstances warrant to distribute or diffuse light entering an enclosure through any suitable light admitting means, although has many and varied uses as will be apparent to one skilled in the art.
- venetian blinds are inherently more desirable devices for difiusing and distributing light than what are known ordinarily as window shades, since the venetian blinds provide adjustable means for controlling the amount and distribution of natural light available at window openings and the like, and entering the enclosure ad- J'acent thereto.-
- venetian blinds due to their own peculiar structure, fail to reach the desired extent of utilizing natural light.
- venetian blinds have not materially changed in structure since their origination, and
- the present invention has overcome the above noted defects and objections in the provision of a material highly de- 535 sirable for window shades and the like, which not only reduces the intensity of the light adjacent the window but, instead of reflecting a portion of the light back in the general direction from whence it came, reflects the light in such m a manner that normally relatively dark portions of the enclosure may, when desirable, be illuminated to the same intensity as that portion nearest the window.
- the present invention also seeks the provision of a window shade which may be adjusted to vary at will the distribution of light within an enclosure, even to the extent of rendering that portion of the enclosure farthest from the light admitting means, more intensely illuminated than that portion of the enclosure adjacent the light admitting means.
- Another object of the present invention is to provide an adjustable material for so directing and difiusing light enter g an enclosure through a window or the like that every portion of the enclosure may be illuminated to substantially the desired intensity.
- a further object of the present invention is to provide a window shade incorporating means 99 therein having a high light reflecting value, the shade being adjustable so as to properly distribute the reflected light within the enclosure, whereby only a minimum part of the light entering the window is lost and very little or practically none is thrown back out of the window.
- Still another object of the present invention is to provide a window shade or the like which is easily adjustable to diffuse the light entering 100 the window, in any desired manner, and yet is sufliciently flexible to be wound on a roller or otherwise furled when not in use.
- a still further object of the present invention is to provide a window shade which is easily adjustable to properly distribute the light over the enclosure on the inside of the window or to throw a desired quantity of the light back out of the window, the inherent resiliency of the shade caus ng the same to assume an initial or predein that they aid in no material been designed to termined position of adjustment when the adjustment means are released.
- Figure 1 is a fragmentary perspective view of a sheet of material embodying the present invention.
- Figure 2 is a perspective view similar to Figure 1, showing the sheet in a different position of adjustment.
- Figure 3 is a fragmentary vertical sectional perspective view of a different form of material embodying the present invention.
- Figure 4 is a view similar to Figure 3, showing the material in a different position of adjustment.
- Figure 5 is a cross-sectional view of a portion of the structure shown in Figures 3 and 4, in an initial period of development.
- Figure 6 is a cross-sectional view of the ma terial shown in Figure 5, after the same has been flattened for use.
- Figure 7 is a fragmentary vertical sectional view of another form of material embodying the present invention.
- Figure 8 is a view similar to Figure 7, showing the material in a different position of adjustment.
- FIG. 9 is a fragmentary perspective view of another form of material embodying the present invention.
- Figure 10 is a view similar to Figure 9, showing the material. in a different position of adjustment.
- Figure 11 is a fragmentary cross-sectional view of a sheet of another form of material in an initial process of making the same.
- Figure 12 is a view similar to Figure 11, showing the sheet ready for use.
- Figure 13 is a fragmentary perspective view of a sheet of material made as indicated in Figures 11 and 12.
- Figure 14 is a view similar to Figure 13, showing the material in a different position of adjustment.
- FIG. 15 is a fragmentary vertical sectional perspective view of still another form of material embodying the present invention.
- Figure 16 is a view similar to Figure 15, showing the material in a different position of adjustment.
- Figure 1'7 is a reduced fragmentary elevational view showing one way in which material embodying the present invention may be utilized as a window shade.
- transversely disposed elements or strips may be of any desired material having a high light reflecting value, and I have found it desirable to form these elements of thin strips 2 of relatively stiff material such as cellulose, celluloid, metal or any desirable material which carry therearound a layer 3 of any desired substance for example magnesium carbonate, having a high light reflecting value, or for example, the strips and substance used may be the same as that more fully described in my Letters Patent No.
- the sheet 1 substantially loops around the transverse elements and is preferably stitched thereto by two offset lines of stitching 4 and 5, respectively, the stitching 4 being disposed further from the edge of the transverse elements than the stitching 5.
- the offsetting of the two lines of stitchin together with the inherent resiliency of the sheet 1 provided by the forming of the sheet into the desired shape causes the structure as a whole to assume the position shown in Figure 1 as an initial and natural position. In the position shown in Figure l, the transverse elements slightly overlap and, being substantially opaque, would exclude practically all light when mounted before a window or the like.
- light entering the window may readily pass through those portions of the sheet 1 disposed between the transverse elements, and the light striking the transverse elements will be reflected by the substance 3 into the room or enclosure, in a quantity depending upon the angle of adjustment of the transverse elements.
- the shade By properly adjusting the shade, light may be distributed throughout the room in a desired degree of intensity, and portions of the room farthest from the window 8, may be illuminated with the same or greater intensity than portions adjacent the window, the light being thrown back into the room by the reflecting substance 3.
- a greater amount of the light may be thrown back out of the window by the reflecting surfaces.
- the material will automatically assume the position shown in Figure 1, due to the inherent resiliency therein, if the tension had been applied to the lower portion of the strip as is usual when the roller or support is at the top of the sash. If with a different mounting, tension had been xerted. at the top of the strip, then the weight of ments are joined on the transverse elements would aid in the assumption of initial position. Of course, if so desired, the material may be so bent that it will assume a position with the transverse elements disposed at a difierent angle.
- the tubes 10 are, for convenience and efficiency, originally formed in the shape shown in Figure 5 and filled with a substance 11 of high light reflecting value, such as magnesium carbonate for example, after which the tubes are flattened into the shape disclosed in Figure 6.
- the tubes are next connected by a plurality of strings or threads 12, the threads beingin spaced relationship to provide, in this instance, adequate ventilation when the transverse elements are angularly adjusted to a position similar to that shown in Figure
- At least one of the threads 12 passes through a tube as indicated at 13, then winds around this tube or transverse element and is similarly connected to each succeeding element.
- this material is made up in the form of the blind 6, to vary the distribution of light within the room, it is simply necessary to angularly adjust the transverse elements or tubes by exerting tension on the thread 12 passing therethrough and looped therearound.
- the embodiment disclosed in Figures 7 and 8 comprises a material including a plurality of transverse elements or tubes 14 similar to the tubes 1c and connected on one side to a plurality of spaced vertical threads 15 by individual stitches l6, and on the other side to spaced vertical threads 1'7, by individual stitches 18.
- This type of material also provides ventilation for the room, when formed into a blind 6.
- the transverse elements 14 are substantially horizontal as shown in Figure 7, and when it is desired to adjust the blind to properly distribute the light entering the window 8, tension is exerted on either of the groups of vertical threads 15 or 17 depending upon the desired intensity of illumination.
- tension may be exerted on the threads 15 to slope the transverse elements outwardly as indicated in Figure 8, and 'if more illumination is desired, tension may be exerted on the threads 17 to slope the transverse elements in the opposite direction.
- the embodiment disclosed in Figures 9 and 10 comprises a material incorporating a plurality of transverse solid elements 19, in this instance, prismatic in form as indicated at 20.
- the elements are preferably formed from any desired transparent or translucent material as incorporated in he previous embodiments of this invention, which material may be formed in the shape of prismatic threads by passing the same through a die, or if so desired, in an equivalent manner.
- the transverse elements 19 are connected on one side thereof by vertical threads 21 which are looped around each successive elemen and then knotted as at 22.
- the prismatic elemen's When in normal position, the prismatic elemen's are disposed with their vertices downward, each vertex in abutment with the inverted base of the element next below as shown in Figure 9.
- the material When suspended as a window shade 6, the material may be adjusted by exerting tension on either respective group of vertical threads 21 and 23; For insance,'if downward pull is exerted upon threads 21, the transverse elements 19 will assume a position similar to that shown in Figure 1c, the angular change in the position cf the elements depending directly on the amount 1 of pull. When the tension is removed, the elements will return to their natural position as seen in Figure 9.
- the light entering the window 8 and passing through the prismatic transverse elements will undergo changes of directions as in a prism by refraction or reflection, ihereby providing means for a very fine or delicate control of the distribution or diffusion of the light in the room.
- This material may be made into the blind 6 and when so made, is adjusted to difiuse or distribu'e the light entering the window 8 as desired by exerting the requisite tension upon the lower portion of the blind to angularly adjust the transverse elements 27 of high ligh'; reflecting value, and when the tension is released, the transverse elements will assume a predetermined initial position depend ing upon the specific manner in which the material is constructed as is the case with the other embodiments herein described.
- FIG. 15 and 16 another embodiment of the present invention is disclosed in Figures 15 and 16 wherein material which may be made into the blind 6, is formed from two separate pieces.
- a continuous sheet 28 of substantially transparent or translucent material is formed so as to include a plurality of loops 29 each conaining a substance 30 of high light reflecting value to thus 'form transverse elements.
- the open ends of the loops are sealed or closed by lines of stitching 31 or by cementing if so desired, and the loops are spaced apart twice the distance desired in the finished ma'erial.
- a second continuous sheet 32 of the same material as sheet 28, is similarly formed into loops 33 also containing a quantity of the reflecting material 30, the open ends of the loops being closed by stitching 34, and the loops being spaced twice the distance desired in 1 he finished material.
- the material hereinleft in its natural color, bleached, or tinted, as desired, to acquire the necessary illumina ive or decorative effect.
- the transverse elements may be made extremely small, for example, by running them through a die, and woven in the same manner as threads between vertical threads so as to form substantially a fabric which is, of course, adjus able to vary the distribution of light. Further, any of the sheets of material herein described may be joined, so that the transverse elements of both sheets will work in unison if circumstances warrant.
- a blind comprising a plurality of angularly adjustable transverse reflecting members and material for securing the same together, said material having sutflcient natural resiliency to hold said reflecting members in a predetermined position and adapted to move said members into various positions of angular adjustment the degree of which is proportional to the tension exerted on said material.
- a-thin flexible substantially transparent material As an article of manufacture, a-thin flexible substantially transparent material, opaque transverse elements having reflecting surfaces thereon in said material, and means securing said elements to said material, whereby said elements are angularly adjustable in a plurality of directions.
- a blind ineluding a sheet of substantially transparent material having pleats therein, and spaced substantially parallel strips having high reflecting surfaces secured in said pleats, said strips being angularly adjustable by exerting tension on said sheet.
- a fabricated sheet including a plurality of tubular portions containing a substance of high light reflecting value, and a thread on each side of said portions connected to said portions adjacent the edges thereof, whereby said portions are angularly adjustable by tension exerted on either of said threads.
- a fabricated material including a pair of juxtaposed substantially transparent sheets pressed into contact with each other at spaced intervals and having a substance of high light reflecting value held by said sheets between the contact intervals.
- a flexible light distributing medium including a pair of transparent flexible sheets, and material of a high light reflecting value interposed between said sheets.
- a flexible light distributing medium including a pair of transparent flexible sheets, and material of a high light reflecting value interposed at intervals between said sheets to 'form reflecting strips.
- a semi-transparent shade of inherently resilient material arranged in folds, a plurality of transversely disposed light distributing elements set into folds of said shade, whereby said elements are angularly adjustable by exerting tension on said shade and the inherent resiliency of said shade causes said elements to assume an initial position of adjustment when said shade is released.
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Description
Nov. 28, 1933. H, H, HlGBlE MATERIAL FOR CONTROLLING ILLUMINATION Filed Aug. 30, 1928 )2 Sheets-Sheet l fizz-am :71": H/mm lei/73 6116.
- the invention Patented Nov. 28, 1933 UNITED STATES- MATERIAL FOR @QNTROLLING ILLUIVIINATIQN Henry Harold Higbie, Arm Arbor, Mich.
Application August 3d, 1923.,
Serial No. 303,008
9 @laima (a. ta-em This invention relates to improvements in material for controlling illumination and method of using the same, and more particularly to ma terial highly desirable for window shades or the like of such construction that the same may be varied as circumstances warrant to distribute or diffuse light entering an enclosure through any suitable light admitting means, although has many and varied uses as will be apparent to one skilled in the art.
In the past, many and varied devices have been utilized for distributing or cutting out all or part of the light entering an enclosure through a window, and among these devices was that which was commonly known as a venetian blind. Louver windows and louver-boards have also been used frequently where it was desired to permit the free passage of air and sound and yet give full protection from the elements. It is now becoming more and more recognized that venetian blinds are inherently more desirable devices for difiusing and distributing light than what are known ordinarily as window shades, since the venetian blinds provide adjustable means for controlling the amount and distribution of natural light available at window openings and the like, and entering the enclosure ad- J'acent thereto.- However, venetian blinds, due to their own peculiar structure, fail to reach the desired extent of utilizing natural light. As is well known, venetian blinds have not materially changed in structure since their origination, and
consist of spaced parallel slats of wood adjustatake up an undesirably great amount of space,,
ble so as to reduce the glare from the windows by preventing direct rays of the sun from entering the room. These blinds, however, have proven highly objectionable in that they intercept and throw back outside a great portion of the light striking a ,window opening even when it is desired to have that light enter the enclosure and at such times a greater portion of the light is uselessly disposed of. In other words, venetian blinds and the like, only reduce the illumination entering an enclosure through a window and do not sufficiently distribute the illumination or increase it at critical points within theenclosure. Further, venetian blinds, due to the width and thickness of the slats incorporated therein, the necessary large spaces between the slats, and the relatively large means for actuating the slats, are rendered objectionably bulky and unwieldly,
and are extremely clean.
,Louver windows are obviously abjectionable difficult to keep properly proper illumination within an way in providing enclosure. The ordinary roller shade is also objectionable in that it merely excludes a portion of the light, ieaving that part of a room nearest the windowex- 30 ceedingly bright and other points of the room relatively dark.
The present invention has overcome the above noted defects and objections in the provision of a material highly de- 535 sirable for window shades and the like, which not only reduces the intensity of the light adjacent the window but, instead of reflecting a portion of the light back in the general direction from whence it came, reflects the light in such m a manner that normally relatively dark portions of the enclosure may, when desirable, be illuminated to the same intensity as that portion nearest the window.
The present invention also seeks the provision of a window shade which may be adjusted to vary at will the distribution of light within an enclosure, even to the extent of rendering that portion of the enclosure farthest from the light admitting means, more intensely illuminated than that portion of the enclosure adjacent the light admitting means.
Another object of the present invention is to provide an adjustable material for so directing and difiusing light enter g an enclosure through a window or the like that every portion of the enclosure may be illuminated to substantially the desired intensity.
A further object of the present invention is to provide a window shade incorporating means 99 therein having a high light reflecting value, the shade being adjustable so as to properly distribute the reflected light within the enclosure, whereby only a minimum part of the light entering the window is lost and very little or practically none is thrown back out of the window.
Still another object of the present invention is to provide a window shade or the like which is easily adjustable to diffuse the light entering 100 the window, in any desired manner, and yet is sufliciently flexible to be wound on a roller or otherwise furled when not in use.
A still further object of the present invention is to provide a window shade which is easily adjustable to properly distribute the light over the enclosure on the inside of the window or to throw a desired quantity of the light back out of the window, the inherent resiliency of the shade caus ng the same to assume an initial or predein that they aid in no material been designed to termined position of adjustment when the adjustment means are released.
While some of the more salient features, characteristics, and advantages, of means embodying the present invention have been above pointed out, others will become apparent from the following disclosures.
The invention includes there and other features of construction and combinations of parts hereinafter described, and shown in a preferred form in the drawings, as more particularly indicated by the claims.
On the drawings:
Figure 1 is a fragmentary perspective view of a sheet of material embodying the present invention.
Figure 2 is a perspective view similar to Figure 1, showing the sheet in a different position of adjustment.
Figure 3 is a fragmentary vertical sectional perspective view of a different form of material embodying the present invention.
Figure 4 is a view similar to Figure 3, showing the material in a different position of adjustment.
Figure 5 is a cross-sectional view of a portion of the structure shown in Figures 3 and 4, in an initial period of development.
Figure 6 is a cross-sectional view of the ma terial shown in Figure 5, after the same has been flattened for use.
Figure 7 is a fragmentary vertical sectional view of another form of material embodying the present invention.
Figure 8 is a view similar to Figure 7, showing the material in a different position of adjustment.
Figure 9 is a fragmentary perspective view of another form of material embodying the present invention.
Figure 10 is a view similar to Figure 9, showing the material. in a different position of adjustment.
Figure 11 is a fragmentary cross-sectional view of a sheet of another form of material in an initial process of making the same.
Figure 12 is a view similar to Figure 11, showing the sheet ready for use.
Figure 13 is a fragmentary perspective view of a sheet of material made as indicated in Figures 11 and 12.
Figure 14 is a view similar to Figure 13, showing the material in a different position of adjustment.
Figure 15 is a fragmentary vertical sectional perspective view of still another form of material embodying the present invention.
Figure 16 is a view similar to Figure 15, showing the material in a different position of adjustment.
Figure 1'7 is a reduced fragmentary elevational view showing one way in which material embodying the present invention may be utilized as a window shade.
As shown in the drawings:
Various forms of material embodying the present invention have been arbitrarily selected for the purpose of illustrating embodiments of the present invention, but these forms are obviously not the only ones which may be developed. It is equally obvious that the structure shown and described herein may be of any desired size, but it has been found desirable to utilize a size much smaller than that disclosed in the drawings, the drawings being greatly enlarged for the purposes of adequately illustrating the various structures. By making the material on a smaller scale than is shown in the drawings, a window shade may be provided which can be wound upon a roller or furled in any desired manner so as to occupy a very small space.
The embodiment disclosed in Figures 1 and 2,
comprises a single continuous sheet 1 of transparent, semi-transparent, or translucent material, cellulose or a nitrated cellulose product such as cellophane or a cellulose ester product for example, which is looped or folded about a pit:- rality of spaced transverse elements. The transversely disposed elements or strips may be of any desired material having a high light reflecting value, and I have found it desirable to form these elements of thin strips 2 of relatively stiff material such as cellulose, celluloid, metal or any desirable material which carry therearound a layer 3 of any desired substance for example magnesium carbonate, having a high light reflecting value, or for example, the strips and substance used may be the same as that more fully described in my Letters Patent No. 1,767,285 for Reflecting material, issued June 24, 1930. The sheet 1 substantially loops around the transverse elements and is preferably stitched thereto by two offset lines of stitching 4 and 5, respectively, the stitching 4 being disposed further from the edge of the transverse elements than the stitching 5. The offsetting of the two lines of stitchin together with the inherent resiliency of the sheet 1 provided by the forming of the sheet into the desired shape causes the structure as a whole to assume the position shown in Figure 1 as an initial and natural position. In the position shown in Figure l, the transverse elements slightly overlap and, being substantially opaque, would exclude practically all light when mounted before a window or the like.
Assuming now that the material has been formed into a window blind 6 (Figure 17) mounted upon a roller '2 and disposed on the inner side of a window 8 admitting light into an enclosure defined by a wall 9, and more light is desired within the enclosure, it is simply necessary to exert tension upon the lower portion of the sheet 1 whereupon the material will assume a position of adjustment similar to that shown in Figure 2,
as indicated in Figure 2, light entering the window, may readily pass through those portions of the sheet 1 disposed between the transverse elements, and the light striking the transverse elements will be reflected by the substance 3 into the room or enclosure, in a quantity depending upon the angle of adjustment of the transverse elements. By properly adjusting the shade, light may be distributed throughout the room in a desired degree of intensity, and portions of the room farthest from the window 8, may be illuminated with the same or greater intensity than portions adjacent the window, the light being thrown back into the room by the reflecting substance 3. Similarly, if so desired, by adjusting the shade to more nearly approach the position of Figure 1, a greater amount of the light may be thrown back out of the window by the reflecting surfaces. As soon as the tension on the strip 1 is removed, the material will automatically assume the position shown in Figure 1, due to the inherent resiliency therein, if the tension had been applied to the lower portion of the strip as is usual when the roller or support is at the top of the sash. If with a different mounting, tension had been xerted. at the top of the strip, then the weight of ments are joined on the transverse elements would aid in the assumption of initial position. Of course, if so desired, the material may be so bent that it will assume a position with the transverse elements disposed at a difierent angle.
The embodiment shown in Figures 3 to 6, inclusive, includes a plurality of transverse elements, in this instance, in the form of tubes 10 preferably formed of the same or similar mate= rial as the sheet 1 previously described. The tubes 10 are, for convenience and efficiency, originally formed in the shape shown in Figure 5 and filled with a substance 11 of high light reflecting value, such as magnesium carbonate for example, after which the tubes are flattened into the shape disclosed inFigure 6. The tubes are next connected by a plurality of strings or threads 12, the threads beingin spaced relationship to provide, in this instance, adequate ventilation when the transverse elements are angularly adjusted to a position similar to that shown in Figure At least one of the threads 12 passes through a tube as indicated at 13, then winds around this tube or transverse element and is similarly connected to each succeeding element. When this material is made up in the form of the blind 6, to vary the distribution of light within the room, it is simply necessary to angularly adjust the transverse elements or tubes by exerting tension on the thread 12 passing therethrough and looped therearound. Due to the fact that a plurality of threads pass through the tubes, theinherent resiliency of the structure aided by the weight of the transverse elements and by their peculiar suspension, will cause the elements to assume theclosed position as indicated. in .Figure 3, when the tension is removed.
The embodiment disclosed in Figures 7 and 8, comprises a material including a plurality of transverse elements or tubes 14 similar to the tubes 1c and connected on one side to a plurality of spaced vertical threads 15 by individual stitches l6, and on the other side to spaced vertical threads 1'7, by individual stitches 18. This type of material also provides ventilation for the room, when formed into a blind 6. In normal position, the transverse elements 14 are substantially horizontal as shown in Figure 7, and when it is desired to adjust the blind to properly distribute the light entering the window 8, tension is exerted on either of the groups of vertical threads 15 or 17 depending upon the desired intensity of illumination. For instance, if it is desired to slightly darken the room, tension may be exerted on the threads 15 to slope the transverse elements outwardly as indicated in Figure 8, and 'if more illumination is desired, tension may be exerted on the threads 17 to slope the transverse elements in the opposite direction.
The embodiment disclosed in Figures 9 and 10 comprises a material incorporating a plurality of transverse solid elements 19, in this instance, prismatic in form as indicated at 20. The elements are preferably formed from any desired transparent or translucent material as incorporated in he previous embodiments of this invention, which material may be formed in the shape of prismatic threads by passing the same through a die, or if so desired, in an equivalent manner. In this instance, the transverse elements 19 are connected on one side thereof by vertical threads 21 which are looped around each successive elemen and then knotted as at 22. The elethe other'side thereof by vertical threads 23 secured thereto in the same illustrated embodiment of the manner as the threads 21 and knotted as indicated at 24. When in normal position, the prismatic elemen's are disposed with their vertices downward, each vertex in abutment with the inverted base of the element next below as shown in Figure 9. When suspended as a window shade 6, the material may be adjusted by exerting tension on either respective group of vertical threads 21 and 23; For insance,'if downward pull is exerted upon threads 21, the transverse elements 19 will assume a position similar to that shown in Figure 1c, the angular change in the position cf the elements depending directly on the amount 1 of pull. When the tension is removed, the elements will return to their natural position as seen in Figure 9. The light entering the window 8 and passing through the prismatic transverse elements will undergo changes of directions as in a prism by refraction or reflection, ihereby providing means for a very fine or delicate control of the distribution or diffusion of the light in the room.
In Figures 11 to 14, inclusive, 1 have shown still another embodiment of my invention wherein the material includes a pair of juxtaposed shee s y -25 and 26, respectively,
of transparent or translucent material, and is formed by placing a plurality of long narrow piles of reflecting substance upon sheet 26, laying sheet 25 upon the piles (Figure 11), flattening the la ter into transverse elements 27 of high light reflecting value, and then pressing the sheets so that they will be substantially cemented together between .'he piles as seen in Figure 12. After the material is thus formed it is pleated into the shape disclosed in Figures 13 and 14. Obviously, the material will have inherent resiliency as a result of lhe pleating. This material, as is the case with every other present invention, may be made into the blind 6 and when so made, is adjusted to difiuse or distribu'e the light entering the window 8 as desired by exerting the requisite tension upon the lower portion of the blind to angularly adjust the transverse elements 27 of high ligh'; reflecting value, and when the tension is released, the transverse elements will assume a predetermined initial position depend ing upon the specific manner in which the material is constructed as is the case with the other embodiments herein described.
S ill another embodiment of the present invention is disclosed in Figures 15 and 16 wherein material which may be made into the blind 6, is formed from two separate pieces. A continuous sheet 28 of substantially transparent or translucent material is formed so as to include a plurality of loops 29 each conaining a substance 30 of high light reflecting value to thus 'form transverse elements. The open ends of the loops are sealed or closed by lines of stitching 31 or by cementing if so desired, and the loops are spaced apart twice the distance desired in the finished ma'erial. A second continuous sheet 32 of the same material as sheet 28, is similarly formed into loops 33 also containing a quantity of the reflecting material 30, the open ends of the loops being closed by stitching 34, and the loops being spaced twice the distance desired in 1 he finished material. The two pieces are then placed together with the loops in staggered relationship and the loops 33 are stitched to the sheet 28 by lines of stitching 35 and the loops 29 are stitched to the sheet 32by lines of stitching 36, thereby resulting in material wi h the loops spaced the desired distance apart.v To angularly adjust the loops or before described may be transverse elements, tension may be applied on the lower portion of either of the sheets 28 or 32 depending upon the adjustment desired. When the tension is removed the inherent resiliency of the material will cause the transverse elements to assume a position substantially horizontal as indicated in Figure 15. Figure 16 discloses the loops in a position resulting from downward pull applied to sheet 32 with less or else no pull applied to shet 28.
It should be noted that the material hereinleft in its natural color, bleached, or tinted, as desired, to acquire the necessary illumina ive or decorative effect. It should also be noted that the transverse elements may be made extremely small, for example, by running them through a die, and woven in the same manner as threads between vertical threads so as to form substantially a fabric which is, of course, adjus able to vary the distribution of light. Further, any of the sheets of material herein described may be joined, so that the transverse elements of both sheets will work in unison if circumstances warrant.
It is obvious, too, that the material disclosed herein when made into a window shade or the like, affords a new and novel method for controlling the illumination of a room. When the shade is once hung in its proper position, be it wound on a roller or otherwise furled, it is only necessary to cover as much of the window as is desired, lock the furling means with any simple expedient for so doing, and then by applying the proper tension to the proper part of the shade, angularly adjust the transverse elements to produce the desired lighting effect in the room. As he natural light entering the window changes in intensity or character, the adjustment of the shade may be varied accordingly.
From the foregoing, it will be apparent that I have provided material usable for many purposes but highly desirable for use in window shades, which is so constructed as to be inherently resilient in such a manner that the ma terial may be adjusted so as to reflect a maximum quantity of the light entering the window into desired portions of a room, so that any desired lighting eifect within the room may be obtained, portions of the room farthest from the light admitting means being illuminated to a greater intensity than portions adjacent the light admitting means, if so desired. Moreover, the present invention not only affords new and better means and methods for providing adequate illumination within an enclosure, but on the other hand, is efficient in its action, durable, and may be economically manufactured.
I am aware that many changes may be made and numerous details of construction may be varied through a wide rage without departing from the principles of this invention and I, therefore, do not purpose limiting the patent granted hereon otherwise than necessitated by the prior art.
I claim as my invention:
1. As an article of manufacture, a blind comprising a plurality of angularly adjustable transverse reflecting members and material for securing the same together, said material having sutflcient natural resiliency to hold said reflecting members in a predetermined position and adapted to move said members into various positions of angular adjustment the degree of which is proportional to the tension exerted on said material.
2. Means for distributing light within an enclosure having light admitting means in a wall thereof, said means including a plurality of transverse reflecting members, and resilient means engaging and connecting to each of said members whereby the angular adjustment of said members may be varied by tension exerted on said resilient means and the resiliency of the structure as a whole will restore said members to the original position of adjustment when said tension is removed.
3. As an article of manufacture, a-thin flexible substantially transparent material, opaque transverse elements having reflecting surfaces thereon in said material, and means securing said elements to said material, whereby said elements are angularly adjustable in a plurality of directions.
4. As an article of manufacture, a blind ineluding a sheet of substantially transparent material having pleats therein, and spaced substantially parallel strips having high reflecting surfaces secured in said pleats, said strips being angularly adjustable by exerting tension on said sheet.
5. As an article of manufacture, a fabricated sheet including a plurality of tubular portions containing a substance of high light reflecting value, and a thread on each side of said portions connected to said portions adjacent the edges thereof, whereby said portions are angularly adjustable by tension exerted on either of said threads.
6. As an article of manufacture, a fabricated material including a pair of juxtaposed substantially transparent sheets pressed into contact with each other at spaced intervals and having a substance of high light reflecting value held by said sheets between the contact intervals.
'7. As an article of manufacture, a flexible light distributing medium including a pair of transparent flexible sheets, and material of a high light reflecting value interposed between said sheets.
8. As an article of manufacture, a flexible light distributing medium including a pair of transparent flexible sheets, and material of a high light reflecting value interposed at intervals between said sheets to 'form reflecting strips.
9. As an article of manufacture, a semi-transparent shade of inherently resilient material arranged in folds, a plurality of transversely disposed light distributing elements set into folds of said shade, whereby said elements are angularly adjustable by exerting tension on said shade and the inherent resiliency of said shade causes said elements to assume an initial position of adjustment when said shade is released.
H. HAROLD HIGBIE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US303008A US1937342A (en) | 1928-08-30 | 1928-08-30 | Material for controlling illumination |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US303008A US1937342A (en) | 1928-08-30 | 1928-08-30 | Material for controlling illumination |
Publications (1)
Publication Number | Publication Date |
---|---|
US1937342A true US1937342A (en) | 1933-11-28 |
Family
ID=23170172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US303008A Expired - Lifetime US1937342A (en) | 1928-08-30 | 1928-08-30 | Material for controlling illumination |
Country Status (1)
Country | Link |
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US (1) | US1937342A (en) |
Cited By (88)
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US2548512A (en) * | 1948-04-10 | 1951-04-10 | Carl V Bergstrom | Window blind |
US2549167A (en) * | 1945-11-15 | 1951-04-17 | Henry J Brubaker | Light controlling means |
US2577227A (en) * | 1949-04-30 | 1951-12-04 | Hunter Douglas Corp | Ladder tape |
US2588550A (en) * | 1949-01-03 | 1952-03-11 | Hunter Douglas Corp | Venetian blind ladder |
US2590767A (en) * | 1950-05-22 | 1952-03-25 | Guarino Mary Agnes | Venetian blind protector |
US2600083A (en) * | 1949-06-17 | 1952-06-10 | Sutz Roy | Transparent flexible venetian blind enclosure |
US2695430A (en) * | 1947-01-18 | 1954-11-30 | F W Wakefield Brass Company | Luminous panel |
US2855819A (en) * | 1955-09-01 | 1958-10-14 | Eastman Kodak Co | Composite prisms and prismatic magnification systems comprising same |
US2874612A (en) * | 1956-03-09 | 1959-02-24 | Luboshez Sergius N Ferris | Thermal insulator |
US2874611A (en) * | 1954-08-13 | 1959-02-24 | Luboshez Sergius N Ferris | Combined heat reflector and light transmitter structure |
US2914122A (en) * | 1958-12-29 | 1959-11-24 | Pinto Salvatore | Combination vinyl plastic venetian blind and screen |
US3068753A (en) * | 1957-03-29 | 1962-12-18 | American Cyanamid Co | Heat-reflective light-transmitting panel |
US3438699A (en) * | 1965-10-21 | 1969-04-15 | Bernard I Seeger | Optical control of sunlight at window and door openings with controlled positioning of composite transparent materials to eliminate glaring sunlight rays while providing normal daylight illumination |
US3443860A (en) * | 1962-06-06 | 1969-05-13 | Sergius N Ferris Luboshez | Pleated shade for controlling heat and light |
US3471221A (en) * | 1965-10-21 | 1969-10-07 | Bernard I Seeger | Optical control of sunlight at window openings with a directionally selective,transparent sunshade to eliminate glaring sunlight rays while providing normal daylight illumination at windows |
US3645317A (en) * | 1969-11-26 | 1972-02-29 | Charles H Malone & Co Inc | Venetian blind |
US3844330A (en) * | 1972-12-11 | 1974-10-29 | Louver Drape Inc | Window covering system |
US3851699A (en) * | 1973-01-26 | 1974-12-03 | H Shapiro | Vertical louver type window drape |
US3862655A (en) * | 1972-08-17 | 1975-01-28 | John Knapper | Transport mechanism for vertical venetian blinds and drapes |
FR2308778A1 (en) * | 1975-04-23 | 1976-11-19 | Ici Ltd | STORE AND ITS MANUFACTURING PROCESS |
US4019554A (en) * | 1974-04-29 | 1977-04-26 | Max Otto Henri Rasmussen | Thermal insulating curtain, especially for use in greenhouses |
US4194549A (en) * | 1972-03-06 | 1980-03-25 | Alfred Lovgrens Byggnads Ab | Upwardly openable door |
USRE30254E (en) * | 1974-04-29 | 1980-04-08 | Heikki S. Suominen | Thermal insulating curtain, especially for use in greenhouses |
WO1980002712A1 (en) * | 1979-06-08 | 1980-12-11 | Koester Patente Gmbh | Plant for the automatic control of the incident solar flux |
US4317481A (en) * | 1980-01-14 | 1982-03-02 | Oswald Samuel G | Thermal barrier |
US4535828A (en) * | 1983-05-02 | 1985-08-20 | Brockhaus Peter B | Window insulator |
US4846243A (en) * | 1988-08-19 | 1989-07-11 | Graber Industries, Inc. | Foldable window covering |
US4861404A (en) * | 1987-08-28 | 1989-08-29 | Hunter Douglas Inc. | Method of making a honeycomb product |
US4943454A (en) * | 1987-08-28 | 1990-07-24 | Hunter Douglas, Inc. | Expandable collapsible product and method and apparatus for its manufacture |
US4951729A (en) * | 1989-04-26 | 1990-08-28 | Chi Yu Simon S | Venetian blind structure |
US5205891A (en) * | 1987-08-28 | 1993-04-27 | Hunter Douglas, Inc. | Method for manufacturing an expandable collapsible product |
US5228936A (en) * | 1990-09-06 | 1993-07-20 | Hunter Douglas Inc. | Process for fabricating honeycomb material |
US5313999A (en) * | 1990-10-24 | 1994-05-24 | Hunter Douglas Inc. | Fabric light control window covering |
US5320154A (en) * | 1990-12-13 | 1994-06-14 | Hunter Douglas Inc. | Method and apparatus for mounting a retractable window covering |
US5339882A (en) * | 1987-03-25 | 1994-08-23 | Verosol Usa Inc. | Venetian-type window covering |
US5394922A (en) * | 1990-10-24 | 1995-03-07 | Hunter Douglas Inc. | Fabric light control window covering |
EP0654577A1 (en) * | 1993-11-09 | 1995-05-24 | Hunter Douglas International Nv | Window shade |
US5419385A (en) * | 1993-07-29 | 1995-05-30 | Hunter Douglas, Inc. | Double sheet light control window covering with unique vanes |
US5456304A (en) * | 1990-12-13 | 1995-10-10 | Hunter Douglas Inc. | Apparatus for mounting a retractable covering for an architectural opening |
US5503210A (en) * | 1993-05-04 | 1996-04-02 | Hunter Douglas Inc. | Cellular shade and method and apparatus for manufacturing same |
US5558925A (en) * | 1995-02-13 | 1996-09-24 | Cellular Designs Unlimited, Inc. | Window treatment article |
US5620035A (en) * | 1987-03-25 | 1997-04-15 | Judkins; Ren | Material utilizing flexible strands |
US5638880A (en) * | 1993-11-09 | 1997-06-17 | Hunter Douglas Inc. | Fabric light control window covering with rigid vanes |
US5638881A (en) * | 1994-06-21 | 1997-06-17 | Newell Operating Company | Blind with curtain |
US5701939A (en) * | 1995-12-21 | 1997-12-30 | Pinto; Michal | Sun blocking shade device |
US5712019A (en) * | 1993-04-01 | 1998-01-27 | Driessen; Edgar | Blind comprising a woven or knitted strip of material |
US5718799A (en) * | 1990-10-24 | 1998-02-17 | Hunter Douglas Inc. | Fabric light control window covering |
US5888639A (en) * | 1994-07-11 | 1999-03-30 | Newell Operating Co | Cellular panel and method and apparatus for making the same |
WO1999055207A1 (en) * | 1998-04-28 | 1999-11-04 | Rollease, Inc. | Unlimited position window shade system |
US6033504A (en) * | 1992-09-28 | 2000-03-07 | Judkins; Ren | Material for venetian type blinds |
US6354353B1 (en) * | 2000-06-14 | 2002-03-12 | Newell Window Furnishings, Inc. | Door and window coverings employing longitudinally rigid vanes |
USD456196S1 (en) | 1990-10-24 | 2002-04-30 | Hunter Douglas Inc. | Fabric light control window covering |
US6497266B1 (en) | 2000-06-14 | 2002-12-24 | Newell Window Furnishings | Window covering slat |
US6533017B1 (en) | 1992-08-25 | 2003-03-18 | Andrew J. Toti | Window covering system |
US6598650B1 (en) | 2000-06-14 | 2003-07-29 | Newell Window Furnishings, Inc. | Hollow, rigid vanes for door and window coverings |
US6675859B2 (en) * | 2002-05-16 | 2004-01-13 | Nien Made Enterprise Co., Ltd. | Curtain and venetian blind arrangement |
US20040045469A1 (en) * | 1990-09-06 | 2004-03-11 | Herhold Karen S. | Pearlescent honeycomb material and method for fabricating same |
US20050147800A1 (en) * | 2003-03-21 | 2005-07-07 | Hunter Douglas Inc. | Pearlescent honeycomb material and method for fabricating same |
US20050150608A1 (en) * | 2003-12-19 | 2005-07-14 | Hunter Douglas Inc. | Cellular coverings for roll-up shades |
US20070246170A1 (en) * | 2006-04-19 | 2007-10-25 | Tribute Window Coverings Inc. | Combination window or door covering |
US20080083508A1 (en) * | 2006-09-07 | 2008-04-10 | Alejandro Martin Rossato | Shade construction |
US20090139665A1 (en) * | 2006-11-24 | 2009-06-04 | Ki Cheol Cha | Blind of united blind by weaving |
US20100288449A1 (en) * | 2009-05-18 | 2010-11-18 | Woongjin Chemical Co., Ltd. | Three-dimensional fabric with three-layered structure |
US20110088852A1 (en) * | 2009-10-20 | 2011-04-21 | Ching Feng Home Fashions Co., Ltd. | Window Curtain |
US20110096531A1 (en) * | 2009-10-23 | 2011-04-28 | Frey Robert M | Collapsible Backlight System |
EP2540949A1 (en) * | 2003-12-22 | 2013-01-02 | Hunter Douglas Inc. | Retractable shade for coverings for architectural openings |
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US9133658B2 (en) | 2013-03-05 | 2015-09-15 | Hunter Douglas Inc. | Sound attenuating covering for an architectural opening |
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USD750395S1 (en) | 2014-05-02 | 2016-03-01 | Hunter Douglas Inc. | Covering for an architectural opening having a vane with a pattern |
US20160060955A1 (en) * | 2014-08-27 | 2016-03-03 | Yin-An Hsieh | Retractable light-diffusing module and light-diffusing structure thereof |
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US9828800B2 (en) | 2009-12-02 | 2017-11-28 | Hunter Douglas Inc. | Collapsible vane structure and related method for a shade for an architectural opening |
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1928
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Cited By (135)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2549167A (en) * | 1945-11-15 | 1951-04-17 | Henry J Brubaker | Light controlling means |
US2695430A (en) * | 1947-01-18 | 1954-11-30 | F W Wakefield Brass Company | Luminous panel |
US2548512A (en) * | 1948-04-10 | 1951-04-10 | Carl V Bergstrom | Window blind |
US2588550A (en) * | 1949-01-03 | 1952-03-11 | Hunter Douglas Corp | Venetian blind ladder |
US2577227A (en) * | 1949-04-30 | 1951-12-04 | Hunter Douglas Corp | Ladder tape |
US2600083A (en) * | 1949-06-17 | 1952-06-10 | Sutz Roy | Transparent flexible venetian blind enclosure |
US2590767A (en) * | 1950-05-22 | 1952-03-25 | Guarino Mary Agnes | Venetian blind protector |
US2874611A (en) * | 1954-08-13 | 1959-02-24 | Luboshez Sergius N Ferris | Combined heat reflector and light transmitter structure |
US2855819A (en) * | 1955-09-01 | 1958-10-14 | Eastman Kodak Co | Composite prisms and prismatic magnification systems comprising same |
US2874612A (en) * | 1956-03-09 | 1959-02-24 | Luboshez Sergius N Ferris | Thermal insulator |
US3068753A (en) * | 1957-03-29 | 1962-12-18 | American Cyanamid Co | Heat-reflective light-transmitting panel |
US2914122A (en) * | 1958-12-29 | 1959-11-24 | Pinto Salvatore | Combination vinyl plastic venetian blind and screen |
US3443860A (en) * | 1962-06-06 | 1969-05-13 | Sergius N Ferris Luboshez | Pleated shade for controlling heat and light |
US3471221A (en) * | 1965-10-21 | 1969-10-07 | Bernard I Seeger | Optical control of sunlight at window openings with a directionally selective,transparent sunshade to eliminate glaring sunlight rays while providing normal daylight illumination at windows |
US3438699A (en) * | 1965-10-21 | 1969-04-15 | Bernard I Seeger | Optical control of sunlight at window and door openings with controlled positioning of composite transparent materials to eliminate glaring sunlight rays while providing normal daylight illumination |
US3645317A (en) * | 1969-11-26 | 1972-02-29 | Charles H Malone & Co Inc | Venetian blind |
US4194549A (en) * | 1972-03-06 | 1980-03-25 | Alfred Lovgrens Byggnads Ab | Upwardly openable door |
US3862655A (en) * | 1972-08-17 | 1975-01-28 | John Knapper | Transport mechanism for vertical venetian blinds and drapes |
US3844330A (en) * | 1972-12-11 | 1974-10-29 | Louver Drape Inc | Window covering system |
US3851699A (en) * | 1973-01-26 | 1974-12-03 | H Shapiro | Vertical louver type window drape |
US4019554A (en) * | 1974-04-29 | 1977-04-26 | Max Otto Henri Rasmussen | Thermal insulating curtain, especially for use in greenhouses |
USRE30254E (en) * | 1974-04-29 | 1980-04-08 | Heikki S. Suominen | Thermal insulating curtain, especially for use in greenhouses |
FR2308778A1 (en) * | 1975-04-23 | 1976-11-19 | Ici Ltd | STORE AND ITS MANUFACTURING PROCESS |
WO1980002712A1 (en) * | 1979-06-08 | 1980-12-11 | Koester Patente Gmbh | Plant for the automatic control of the incident solar flux |
US4317481A (en) * | 1980-01-14 | 1982-03-02 | Oswald Samuel G | Thermal barrier |
US4535828A (en) * | 1983-05-02 | 1985-08-20 | Brockhaus Peter B | Window insulator |
US5339882A (en) * | 1987-03-25 | 1994-08-23 | Verosol Usa Inc. | Venetian-type window covering |
US5620035A (en) * | 1987-03-25 | 1997-04-15 | Judkins; Ren | Material utilizing flexible strands |
US4943454A (en) * | 1987-08-28 | 1990-07-24 | Hunter Douglas, Inc. | Expandable collapsible product and method and apparatus for its manufacture |
US5205891A (en) * | 1987-08-28 | 1993-04-27 | Hunter Douglas, Inc. | Method for manufacturing an expandable collapsible product |
US4861404A (en) * | 1987-08-28 | 1989-08-29 | Hunter Douglas Inc. | Method of making a honeycomb product |
US5405483A (en) * | 1987-08-28 | 1995-04-11 | Hunter Douglas, Inc. | Apparatus for forming pleated material |
US4846243A (en) * | 1988-08-19 | 1989-07-11 | Graber Industries, Inc. | Foldable window covering |
US4951729A (en) * | 1989-04-26 | 1990-08-28 | Chi Yu Simon S | Venetian blind structure |
US5228936A (en) * | 1990-09-06 | 1993-07-20 | Hunter Douglas Inc. | Process for fabricating honeycomb material |
US5714034A (en) * | 1990-09-06 | 1998-02-03 | Hunter Douglas Inc. | Apparatus for fabricating honeycomb material |
US6572725B2 (en) | 1990-09-06 | 2003-06-03 | Hunter Douglas Inc. | Method for fabricating honeycomb material |
US20040045469A1 (en) * | 1990-09-06 | 2004-03-11 | Herhold Karen S. | Pearlescent honeycomb material and method for fabricating same |
US20040149396A1 (en) * | 1990-10-24 | 2004-08-05 | Hunter Douglas Inc. | Fabric light control window covering |
US6688369B2 (en) | 1990-10-24 | 2004-02-10 | Hunter Douglas Inc. | Fabric light control window covering |
US7059378B2 (en) | 1990-10-24 | 2006-06-13 | Hunter Douglas Inc. | Fabric light control window covering |
US20060180278A1 (en) * | 1990-10-24 | 2006-08-17 | Hunter Douglas Inc. | Fabric light control window covering |
US20040084158A1 (en) * | 1990-10-24 | 2004-05-06 | Colson Wendell B. | Fabric light control window covering |
US6112797A (en) * | 1990-10-24 | 2000-09-05 | Hunter Douglas Inc. | Apparatus for fabricating a light control window covering |
USD456196S1 (en) | 1990-10-24 | 2002-04-30 | Hunter Douglas Inc. | Fabric light control window covering |
US5718799A (en) * | 1990-10-24 | 1998-02-17 | Hunter Douglas Inc. | Fabric light control window covering |
US5394922A (en) * | 1990-10-24 | 1995-03-07 | Hunter Douglas Inc. | Fabric light control window covering |
US6001199A (en) * | 1990-10-24 | 1999-12-14 | Hunter Douglas Inc. | Method for manufacturing a fabric light control window covering |
US5313999A (en) * | 1990-10-24 | 1994-05-24 | Hunter Douglas Inc. | Fabric light control window covering |
US5855235A (en) * | 1990-12-13 | 1999-01-05 | Hunter Douglas Inc. | Retractable window covering |
US5601129A (en) * | 1990-12-13 | 1997-02-11 | Hunter Douglas Inc. | Roller and clip for mounting a flexible material |
US5456304A (en) * | 1990-12-13 | 1995-10-10 | Hunter Douglas Inc. | Apparatus for mounting a retractable covering for an architectural opening |
US5320154A (en) * | 1990-12-13 | 1994-06-14 | Hunter Douglas Inc. | Method and apparatus for mounting a retractable window covering |
US7222655B2 (en) | 1992-08-25 | 2007-05-29 | Toti Andrew J | Window covering system |
US6533017B1 (en) | 1992-08-25 | 2003-03-18 | Andrew J. Toti | Window covering system |
US20030226645A1 (en) * | 1992-08-25 | 2003-12-11 | Toti Andrew J. | Window covering system |
US6068039A (en) * | 1992-09-28 | 2000-05-30 | Judkins; Ren | Material for venetian type blinds |
US6033504A (en) * | 1992-09-28 | 2000-03-07 | Judkins; Ren | Material for venetian type blinds |
US5712019A (en) * | 1993-04-01 | 1998-01-27 | Driessen; Edgar | Blind comprising a woven or knitted strip of material |
US5547006A (en) * | 1993-05-04 | 1996-08-20 | Hunter Douglas Inc. | Roll-up cellular shades |
US5503210A (en) * | 1993-05-04 | 1996-04-02 | Hunter Douglas Inc. | Cellular shade and method and apparatus for manufacturing same |
US5897731A (en) * | 1993-05-04 | 1999-04-27 | Hunter Douglas Inc. | Method and apparatus for manufacturing a looped cellular shade |
US5419385A (en) * | 1993-07-29 | 1995-05-30 | Hunter Douglas, Inc. | Double sheet light control window covering with unique vanes |
EP0881351A3 (en) * | 1993-11-09 | 1999-03-31 | Hunter Douglas International Nv | Window shade |
AU693113B2 (en) * | 1993-11-09 | 1998-06-25 | Hunter Douglas International N.V. | Window shade |
US5490553A (en) * | 1993-11-09 | 1996-02-13 | Hunter Douglas, Inc. | Fabric window covering with rigidified vanes |
US5845690A (en) * | 1993-11-09 | 1998-12-08 | Hunter Douglas Inc. | Fabric light control window covering with rigid vanes and support cords |
EP0654577A1 (en) * | 1993-11-09 | 1995-05-24 | Hunter Douglas International Nv | Window shade |
US6164363A (en) * | 1993-11-09 | 2000-12-26 | Hunter Douglas Inc. | Fabric window covering with looped fabric vanes |
EP0881351A2 (en) | 1993-11-09 | 1998-12-02 | Hunter Douglas International Nv | Window shade |
US5603369A (en) * | 1993-11-09 | 1997-02-18 | Hunter Douglas Inc. | Fabric window covering with vertical rigidified vanes |
US5638880A (en) * | 1993-11-09 | 1997-06-17 | Hunter Douglas Inc. | Fabric light control window covering with rigid vanes |
US5690156A (en) * | 1994-06-21 | 1997-11-25 | Newell Operating Company | Horizontal window shade |
US5638881A (en) * | 1994-06-21 | 1997-06-17 | Newell Operating Company | Blind with curtain |
US5743318A (en) * | 1994-06-21 | 1998-04-28 | Newell Operating Company | Vertical window shade |
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