EP1241318A2 - Couverture architectonique - Google Patents

Couverture architectonique Download PDF

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Publication number
EP1241318A2
EP1241318A2 EP02251767A EP02251767A EP1241318A2 EP 1241318 A2 EP1241318 A2 EP 1241318A2 EP 02251767 A EP02251767 A EP 02251767A EP 02251767 A EP02251767 A EP 02251767A EP 1241318 A2 EP1241318 A2 EP 1241318A2
Authority
EP
European Patent Office
Prior art keywords
layer
thread
blind
binder
layers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02251767A
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German (de)
English (en)
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EP1241318B1 (fr
EP1241318A3 (fr
Inventor
Fransen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunter Douglas Industries BV
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Hunter Douglas Industries BV
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Publication date
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Priority to EP20020251767 priority Critical patent/EP1241318B1/fr
Publication of EP1241318A2 publication Critical patent/EP1241318A2/fr
Publication of EP1241318A3 publication Critical patent/EP1241318A3/fr
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Publication of EP1241318B1 publication Critical patent/EP1241318B1/fr
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Classifications

    • 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
    • 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
    • E06B2009/2405—Areas of differing opacity for light transmission control
    • 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
    • E06B2009/2447—Parallel screens
    • E06B2009/2458—Parallel screens moving simultaneously

Definitions

  • the invention relates to an architectural covering, particularly a covering for an architectural opening such as a window blind, having two parallel interconnected fabric layers which contain complementary patterns and can be moved relative to one another in a direction parallel to the layers.
  • This invention particularly relates to an architectural covering having one or more parallel binder threads which connect the fabric layers and along which one of the layers can be moved relative to the other layer.
  • This invention quite particularly relates to an architectural covering having fabric layers which contain alternating relatively translucent and relatively opaque portions and can be moved relative to one another between positions where: i) the translucent portions of the different layers coincide and ii) the opaque portions of the different layers substantially overlap, preferably completely overlap, the translucent portions of the different layers.
  • Blinds for covering architectural openings which can be opened and closed while still covering the openings.
  • traditional venetian blinds have slats which can be tilted so as to block light or let light through from windows covered by the blinds.
  • Another type of such blind has two vertical layers, disposed one in front of the other and each with an array of horizontally-oriented, alternating transparent and opaque stripes.
  • the transparent stripes of one layer are in horizontal alignment with the transparent stripes of the other layer, light is transmitted through the blind, but when the opaque stripes of one layer are horizontally aligned with the transparent stripes of the other layer, light can be blocked by this blind.
  • the two layers of fabric or plastic in such a blind are connected on their top and/or bottom ends by top and/or bottom bars.
  • Two-layer woven fabrics are also known which are interconnected by binder threads, so that they have a special appearance and resistance to wear and tear. See, for example, US 2 502 101, FR 2 063535, GB 2 058 161, US 4 025 684, GB 395 176, US 3 359 610, GB 540 059, NL 35 856, NL 272 858 and US 3 943 980.
  • the two layers of such a fabric cannot slide along the binder threads or move relative to one other.
  • an architectural covering particularly a covering for an architectural opening such as a window blind, comprising:
  • the covering has a plurality of parallel binder threads and a plurality of thin preshrunk warp threads in the first or second layer.
  • each warp thread, about which the binder thread forms a binder thread loop is a thin preshrunk warp thread.
  • the thickness of each thin preshrunk warp thread is 20 to 50%, advantageously about 30%, of the thickness of other warp threads of the covering.
  • each thin preshrunk warp thread is only in a rear movable layer.
  • each binder thread forms a plurality of adjacent binder thread loops about adjacent warp threads. It is further advantageous that the adjacent binder thread loops are separated from each other by a warp thread, particularly 1-3 warp threads, more particularly just 1 warp thread.
  • the blind 1 comprises a vertically-extending front layer 2 and a vertically-extending rear layer 4 of substantially the same height and width.
  • the bottom part 2A of the front layer 2 has been cut away and folded open to the left, to expose the rear layer 4.
  • the front layer 2 has a plurality of horizontally-extending, parallel rectangular stripes 6, 8.
  • Relatively opaque stripes 6 alternate with relatively translucent stripes 8.
  • the rear layer 4 also has a plurality of longitudinally-extending, parallel rectangular stripes 10,12, with relatively opaque stripes 10 alternating with relatively translucent stripes 12.
  • the front layer 2 can be moved vertically relative to the rear layer 4, so that the opaque stripes 6,10 of the two layers can be horizontally aligned with respect to each other or with respect to the translucent stripes 8,12. Such movement of the front layer 2 can, therefore, be used to control and vary the light-transmitting properties of the blind 1.
  • At least one, vertically-extending binder thread 14 (shown in Figures 3(a), 3(b), 5 and 6 is attached to the layers 2,4.
  • the binder thread 14 allows the front layer 2 to slide, in a controlled manner, vertically relative to the rear layer 4, along the binder thread.
  • the blind 1 contains a plurality of such binder threads 14 in parallel spaced-apart relationship.
  • the opaque stripes 6 of the front layer 2 are horizontally aligned with, and therefore horizontally cover, the translucent stripes 12 of the rear layer 4.
  • the opaque stripes 10 of the rear layer 4 are horizontally aligned with, and therefore visible through, the translucent stripes 8 of the front layer 2.
  • the opaque stripes 6,10 of the front and rear layers 2,4 appear alternately along the vertical length of the blind 1 and, the blind 1 is effectively closed and can block out light from a window behind the blind.
  • the blind 1 By sliding one of the layers 2,4 vertically from its position in Figures 1 (a) and (b), relative to the other layer 4,2, the blind 1 can be opened as shown in Figures 1(c) and (d).
  • the front layer 2 can be moved upwardly relative to the rear layer 4 in the direction of arrow A, so that the opaque stripes 6 of the front layer are horizontally aligned with the opaque stripes 10 of the rear layer and the translucent stripes 8 of the front layer are horizontally aligned with the translucent stripes 12 of the rear layer.
  • the blind 1 can let light, from a window behind the blind, through the horizontally-aligned translucent stripes 8, 12.
  • the opaque stripes 6 of the front layer 2 are of the same vertical width or height as the opaque stripes 10 of the rear layer 4 and as the translucent stripes 8,12 of the front and rear layers. This allows the blind 1 to be opened a maximum amount, i.e., 1/2 of the height of the blind. However, where the blind 1 is not to be opened as much as possible, the front layer 2 can be moved upwardly a smaller distance relative to the rear layer 4. Then, the opaque stripes 6,10 of the front and rear layers 2,4 will partially overlap horizontally the translucent stripes 8,12 of the front and rear layers, and the blind 1 will be only partially open.
  • each opaque stripe 6,10 is equal and corresponds to the height of a translucent stripe 8,12. This is achieved by splitting the warp threads [which extend horizontally in the blind 1 of Figures 1(a)-(d)] into separate groups for the front and rear layers 2,4 as described below with reference to Figures 5 and 6.
  • the opaque stripes 6,10 could also be made with heights that are different from those of the translucent stripes 8,12, or the stripes 6,8 of the front layer 2 could have heights that are equal but different from the heights of the stripes 10,12 of the rear layer 4. Besides creating an aesthetically pleasing pattern, such variations in the heights of the stripes would not increase or decrease the maximum opening of the blind.
  • a two-layer fabric can also be woven having, along its height, stripes of increasing height or of different heights.
  • Figures 4 (a)-(c) show a blind 201 that has narrow stripes 206A,208A,210A,212A at the bottom and broad stripes 206B,208B,210B, 212B at the top, so that a top part of the blind 201 can be opened while its bottom part remains closed. This allows sunlight to enter a room towards its ceiling while at the same time blocking out sunlight that might hinder the viewing of, for example, a television or computer monitor in the room.
  • the bottom part of the fabric blind 201 can be provided with opaque and translucent stripes 206A ,208A,210A,212A, each having a height that is no more than half of the height of the opaque and translucent stripes 206B, 208B, 210B, 212B of the top part of the blind.
  • the blind 1 is made from layers 2,4 that are: separately made, for example separately woven or otherwise produced separately, e.g., of a non-woven material; and subsequently interconnected by one or more binder threads 14 (shown in Figures 5 and 6).
  • the heights of the stripes of the front layer 2 can be different from those of the rear layer 4.
  • the rear layer 4 could be provided with two alternately arranged patterns or colors, such that by moving the front and rear layers relative to one another, the different patterns or colors can be exposed selectively.
  • the blind 1 could have more than two layers 2,4.
  • the opening ratio can be increased to 2/3.
  • the different stripes can be painted on the layers or the layers can have different stripes made of different materials.
  • the front and rear layers 2,4 of the fabric blind 1 are woven simultaneously with their attachment to the binder threads 14. See Figures 5, 6(a) and (b), described below. This facilitates production of the fabric of the blind 1 since the two layers 2,4 need not be subsequently bound together. It is also possible to weave the front and/or rear layers 2 4, themselves, as two or more layers simultaneously with their attachment to the binder threads 14. This ensures correct registration between the multiple layers of the front and rear layers 2,4 and between such layers and the binder threads 14 during subsequent treatments of the fabric blind 1, such as stiffening, water-proofing, printing and the like.
  • the blind 1 can also be made of separately produced, woven or non-woven, front and rear layers 2,4, each of one or more layers which are subsequently interconnected with binder threads 14.
  • the binder threads 14 (shown in Figures 3(a), 3(b), 5 and 6) hold the front and rear layers 2,4 of the blind 1 horizontally together and accurately guide the two layers' relative vertical movement.
  • the pattern of connecting each binder thread 14 to the two layers 2,4 determines the maximum possible movement of the layers relative to each other.
  • Each binder thread 14 is preferably connected to all the opaque stripes 6,10 of the layers and preferably not connected to their translucent stripes 8,12. However, not all opaque stripes 6,10 need be bound to the binder threads 14, and it is possible to skip one or more opaque stripes. In this way, the vertical distance, along which a layer can slide along the binder thread, can be increased. This can be of use for blinds where the height of the stripes varies along the height of the blind.
  • Figures 2(a) and (b) show a second embodiment of a fabric blind 101 which is similar to the blind 1 of Figures 1(a)-(d) and for which corresponding reference numerals (greater by 100) are used below for describing the same parts or corresponding parts.
  • the relatively opaque stripes 106 of the front layer 102 of the blind 101 can be horizontally aligned with the relatively translucent stripes 112 of its rear layer 104 to close the blind as shown in
  • FIG 2(a) can be horizontally aligned with the opaque stripes 110 of its rear layer 104 to open the blind as shown in Figure 2(b).
  • This fabric blind 101 when closed, can easily be printed on both the opaque stripes 106 and the weft threads of the translucent stripes 108 of its front layer 102, as well as on the opaque stripes 110 of its rear layer 104 (between the weft threads of the translucent stripes 108 of the front layer), by conventional transfer printing techniques. Thereby, the closed blind 101 will show the complete printed design, and the opened blind 101 will also show the complete design because its front layer 102, which is completely printed, will be visible.
  • Figure 2 (a) illustrates oval forms 124 and 126 printed on the front of the closed blind 101 and clearly visible on the opaque and translucent stripes 106,108 of the front layer 102 and on the opaque stripes 110 of the rear layer 104.
  • the front layer 102 is shown as having been cut and folded open to the left, it is clearly seen that the oval form 126 has been printed on an opaque stripe 110 of the rear layer 104.
  • the folded-open portion of the top layer 102 is, of course, not shown as printed, since what is being shown is its rear side, and the print is on the other side.
  • Figure 2(b) shows the printed ovals 124,126 on the front of the open blind 101 and clearly visible on the opaque and translucent stripes 106,108 of the front layer 102.
  • each binder thread 14 of the fabric blind 1 preferably extends between the front and rear layers 2,4 and is perpendicular to their stripes 6,8,10,12.
  • Each binder thread 14 follows a zigzag path between the layers and extends outwardly thereof through the opaque stripes 6,10.
  • the binder thread 14 i) extends frontally and vertically through a first opaque stripe 6' of the front layer 2; ii) passes vertically about the front of one or more warp threads of the first opaque stripe 6' to form a generally u-shaped, front binder thread loop 16; iii) extends rearwardly and vertically through the first opaque stripe 6' , then between the layers and then through a second opaque stripe 10' of the rear layer 4; iv) passes vertically about the rear of one or more warp threads of the second opaque stripe 10' to form a generally u-shaped, rear binder thread loop 18; extends frontally and vertically through the second opaque stripe 10', then between the layers and then through a third opaque stripe 6" of the front layer 2; v) passes vertically about the front of one or more warp threads of the third opaque stripe 6" at another front binder thread loop 16; vi) extends rearwardly and vertically through the third opaque stripe 6", then
  • each binder thread 14 is adapted, so that one of the layers 2,4 can be smoothly slid vertically along the binder thread between the vertically adjacent binder thread loops 16,18, formed by the binder thread passing vertically about the warp threads of the opaque stripes 6,10 of the layers.
  • Figure 3(a) shows how the front layer 2 could be moved, without hindrance, vertically (e.g., upwardly), in the direction of arrow A, along the binder thread 14, relative to the rear layer 4, to open the blind 1; and
  • Figure 3(b) shows how the front layer 2 could be moved, without hindrance, vertically (e.g., downwardly), in the direction of arrow B, along the binder thread 14, relative to the rear layer 4, to close the blind.
  • each binder thread 14 is substantially vertical and deviates only slightly from a straight vertical path in order to connect the two layers.
  • the path of the binder thread 14, between the two layers 2,4 of the blind 1, determines the maximum vertical movement of the layers relative to one another.
  • its front layer 2 can be moved vertically (e.g., upwardly) in the direction of arrow A, relative to its rear layer 4 which is held stationary.
  • the front layer 2 slides along the binder thread 14 at the front binder thread loop 16.
  • the top and bottom of the binder thread 14 are preferably held with the top and bottom of the stationary rear layer 4. This movement of the front layer 2 will continue until the front layer reaches the adjacent rear binder thread loop 18 of the rear layer 4, where further movement will be blocked by the rear layer.
  • the maximum vertical movement of the front layer 2, relative to the rear layer 4 is determined by the distance between the front binder thread loop 16 on the front layer 2 and the adjacent rear binder thread loop 18 on the rear layer 4.
  • the distance between adjacent binder thread loops 16,18 on the front and rear layers should be the height of a single stripe, so that the layers of the blind can be moved between fully open and fully closed positions relative to one another.
  • the distance between adjacent binder thread loops 116,118 on the front and rear layers 102,104 should be at least far apart enough to allow the biggest stripe to close.
  • the maximum vertical movement of the front layer 102, relative to the rear layer 104 can be increased if each binder thread 114 is not connected to every opaque stripe 106,110 but rather skips one or more opaque stripes when connecting the two layers 102,104.
  • every other opaque stripe 106 of the front layer 102 and every other opaque stripe 110 of the rear layer 104 can be bound by binder threads 114 at respective binder thread loops 116 and 118.
  • the maximum movement of the front layer 102 becomes the height of two opaque stripes and one translucent stripe, and the angles of the binder threads 114 passing through the layers 102, 104 becomes less acute.
  • Such a pattern of skips for the binder threads 114 can also diminish the friction of the front layer 104 sliding along the binder threads, which could be useful in any blind 1,101, 201 of this invention and particularly in those with stripes of small height.
  • the binder threads 14 not pass through the vertical centers of the opaque stripes 6, 10 of the layers 2,4 of the blind 1. Rather the binder thread loops 16,18, where each binder thread passes through the opaque stripes 6,10 of the layers, are located slightly off-center on each opaque stripe in the direction of the binder thread -- i.e., off the vertical center of the height of the opaque stripes in vertically opposite directions for the two layers (e.g., below the center for the front layer 2 and above the center for the rear layer 4). This helps ensure that the opaque stripes 6,10 coincide exactly -- i.e., are horizontally aligned -- in the open position of the blind 1.
  • Figures 4(a)-(c) show a third embodiment of a fabric blind 201 which is similar to the blind 1 of Figures 1(a)-(d) and for which corresponding reference numerals (greater by 200) are used below for describing the same parts or corresponding parts.
  • the stripes 206A, 208A, 210A,212A at the bottom of the blind 201 are vertically narrow
  • the stripes 206B, 208B, 210B,212B at the top of the blind are vertically wide.
  • the opaque stripes 206A,206B of the front layer 202 of the blind 201 can be horizontally aligned with the translucent stripes 212A,212B of its rear layer 204 to close the blind as shown in Figure 4(a) and can be horizontally aligned with the opaque stripes 210A,210B of its rear layer 204 to open the blind as shown in Figure 4(b).
  • the narrow opaque stripes 206A of the bottom of the front layer 202 can be aligned with the narrow translucent stripes 212A of the bottom of its rear layer 204 to close the bottom of the blind while the wide opaque stripes 206B of the top of the front layer 202 are horizontally aligned with the wide opaque stripes 210B of the top of the rear layer 204, effectively opening the top of the blind.
  • binder threads 214 (not shown) have to skip at least every other opaque narrow stripe 206A at the bottom of the blind but can pass through every wide opaque stripe 206B at the top of the blind. In this regard, it is not necessary to maintain the same vertical distance between each pair of adjacent binder thread loops 216,218 (not shown) of the binder threads 214, although it is often convenient to do so.
  • the maximum relative vertical movement of the front and rear layers 202,204 is governed by the smallest vertical distance between adjacent binder thread loops 216,218 in the blind 203, and thus for proper vertical movement of the layers of the blind 201, its adjacent binder thread loops are preferably all separated by at least the distance between the adjacent binder thread loops in its widest adjacent opaque stripes 206B,210B in the top of the front and rear layers.
  • Figure 5 shows the striped two-layer woven fabric blind 1 of Figures 1(a)-(d), with its layers 2,4 pulled horizontally apart to show one of its binder threads 14 woven into its opaque stripes 6,10.
  • Figures 6 (a) and (b) show schematically cross-sections of two conventional processes of weaving the fabric blind 1 of Figures 1(a)-(d). In these processes, the opaque stripes 6,10 of the blind 1 are formed by densely woven, warp and weft threads, and its translucent stripes 8,12 are formed only by weft threads.
  • a fabric blind 1 such as is shown in Figures 1(a)-(d) is woven, starting with a complete set of warp threads 20 [which extend horizontally in the blind 1 of Figures 1(a)-(d) and 6 (a) and (b)] and a complete set of weft threads 22 [which extend vertically in the blind 1 of Figures 1(a)-(d)].
  • the set of warp threads is divided into two warp thread sub-sets 20a and 20b in different parallel planes, and the set of weft threads is divided into two weft thread sub-sets 22a and 22b in different parallel planes.
  • Each warp thread subset 20a,20b comprises a discrete plurality 20' of parallel adjacent warp threads 20, and each discrete plurality 20' of warp threads of one warp thread sub-set 20a is between two discrete pluralities 20' of warp threads of the other warp thread sub-set 20b .
  • Each discrete plurality 20' of warp threads of one warp thread sub-set 20a forms one of the opaque stripes 6 of the front layer 2 of the fabric blind 1 with one weft thread sub-set 22a
  • each discrete plurality 20' of warp threads of the other warp thread sub-set 20b forms one of the opaque stripes 10 of the rear layer 4 of the blind with the other weft thread sub-set 22b .
  • the front sub-set 20a of warp threads 20 for the opaque stripes 6 of the front layer 2 and the rear sub-set 20b of warp threads 20 for the opaque stripes 10 of the rear layer 4 are woven by the respective front and rear weft thread sub-sets 22a,22b of weft threads 22.
  • the layers 2,4 become slidably interconnected.
  • a weave for a fabric blind 1,101,201 of this invention can be made more or less opaque or translucent by varying the number of warp and weft threads per square centimetre and their thickness. By varying the ratio of the number of warp and weft threads per square centimetre and/or the relative thicknesses of the warp and weft threads, a difference in appearance of the fabric can be created.
  • each discrete plurality 20' of adjacent warp threads of the front sub-set 20a is followed in the weft direction, by a space in the weft direction without warp threads and having the width or height of the horizontally adjacent, discrete plurality 20' of adjacent warp threads of the rear sub-set 20b.
  • each of the weft threads 22 of its front sub-set 22a weaves through a group of adjacent warp threads 20 of its front sub-set 20a, then spans a space 8 in the weft direction without warp threads, then weaves through the next group of adjacent warp threads of the front sub-set 20a and so on.
  • the woven areas 6 of the front layer 2, including both warp and weft threads, are relatively dense and opaque, but the weft threads 22, spanning the spaces 8 of the front layer in the weft direction without warp threads, leave such spaces relatively open and translucent, thereby creating a striped pattern in the front layer.
  • the rear layer 4 is woven in the same manner at the same time.
  • Figure 6(b) shows the making of a two-layer woven fabric blind 1, corresponding to that made in Figure 6(a), but with tunnels 24 extending in the warp direction in the opaque stripes 6,10.
  • the blind of Figure 6(b) can be made in the same way as the blind of Figure 6(a), except: the front sub-set 20a of warp threads 20 is separated into front and rear portions 20aa, 20ab; and the rear sub-set 20b of warp threads 20 is separated into front and rear portions 20ba,20bb.
  • front and rear portions 20aa, 20ab, 20ba,20bb of the front and rear sub-sets 20a,20b of warp threads are then woven with the two subsets 22a,22b of weft threads 22 as described for Figure 6(a).
  • FIG 7 Shown in Figure 7 is a fourth embodiment of a fabric blind 301 which is similar to the fabric blind 1 shown in Figures 1(a)-(d), 3(a)-(b), 5 and 6(a) and for which corresponding reference numerals (greater by 300) are used below for describing the same parts or corresponding parts.
  • the blind 301 is woven, starting with a complete set of warp and weft threads 320 and 322, forming front and rear, opaque stripes (not shown) and front and rear, translucent stripes (not shown).
  • the warp threads 320 are divided into front and rear sub-sets 320a, 320b, with a width and height measured in the weft direction, and by weaving these warp thread sub-sets with front and rear, weft thread sub-sets 322a and 322b, the front and rear layers 302, 304 are formed.
  • One or more binder threads 314 are woven, as extra weft threads 322, into front and rear, warp thread sub-sets 322a and 322b which form the opaque stripes of the front and rear, woven layers 302, 304 of the fabric 301, in order to slidably interconnect the layers.
  • the fabric 301 is especially adapted to have its rear layer 304 moved along its binder threads 314, relative to its front layer 302, to open and close the translucent stripes of the fabric.
  • weft thread loops 330 are formed in the rear of the opaque stripes (not shown) of the rear layer 304 by extra weft threads 322b'.
  • the weft thread loops 330 of each extra weft thread 322b' are adjacent to the rear binder thread loops 318 of a binder thread 314 adjacent to the extra weft thread 322b'.
  • the weft thread loops 330 facilitate the slidability of the rear layer 304 along each binder thread 314 and relative to the front layer 302.
  • Each weft thread loop 330 spans and passes vertically to the rear of: i) an adjacent warp thread 328, about the rear of which a rear binder thread loop 318 of an adjacent binder thread 314 also passes vertically; and ii) at least both warp threads 328' and 328"on either side of the adjacent warp thread 328.
  • a single rear binder thread loop 318 of a single binder thread 314 is shown passing about a single warp thread 328, and a single weft thread loop 330 of an adjacent extra weft thread 322b' forms a tunnel to the rear of, and about, the three warp threads 328, 328' and 328".
  • the extra weft thread 322b' in the fabric 301 has its weft thread loops 330 passing rearwardly about at least two more warp threads 328', 328" than do the rear binder thread loops 318 of its adjacent binder thread 314.
  • the rear layer 304 of the fabric blind 301 can slide, relative to the binder thread and to the front layer 302, in closer proximity to the front layer. This permits the opaque stripes (not shown) of the fabric blind 301 to more effectively prevent light from passing through its translucent stripes (not shown) when its opaque stripes are horizontally aligned with its translucent stripes in order to close the blind.
  • FIG 8 Shown in Figure 8 is a fifth embodiment of a fabric blind 401 which is similar to the fabric blind 301 shown in Figure 7 and for which corresponding reference numerals (greater by 100) are used below for describing the same parts or corresponding parts.
  • the blind 401 is woven, starting with a complete set of warp and weft threads 420 and 422, forming front and rear, opaque stripes and front and rear, translucent stripes.
  • One or more binder threads 414 are also woven, as extra weft threads 422, into front and rear, warp thread sub-sets which form the opaque stripes of the front and rear, woven layers 402, 404 of the fabric 401, in order to slidably interconnect the layers.
  • each binder thread 414 i) extends rearwardly and vertically through a second opaque stripe 410 of the rear layer 404; ii) passes vertically about the rear of one or more warp threads 420b of the second opaque stripe 410 to form a generally u-shaped, rear binder thread loop 418; iii) extends frontally and vertically through the second opaque stripe 410 of the rear layer 404 and then between the layers 402, 404 and through a first opaque stripe 406 of the front layer 402; iv) passes vertically about the front of one or more warp threads 420a of the first opaque stripe 406 to form a generally u-shaped, front binder thread loop 416; v) extends rearwardly and vertically through the first opaque stripe 406 of the front layer 402 and then between the layers and through another second opaque stripe 410 of the rear layer 404; vi) passes vertically about the rear of one or more warp threads 420b of the other second opaque strip
  • the slidability of the layers 402, 404 relative to one another can be significantly improved by using a thin preshrunk warp thread 428 for each of the warp threads 420b, about which the binder thread 414 passes through a second opaque stripe 410 of the rear layer 404.
  • the thin preshrunk warp thread 428 is only used for this purpose in the movable rear layer 404 of the fabric blind 401 -- not in its stationary front layer 402.
  • each of the first opaque stripes 406 of the front layer 402 there are preferably a plurality of adjacent front binder thread loops 416 in each of the first opaque stripes 406 of the front layer 402, to which each binder thread 414 is attached.
  • These adjacent front binder thread loops 416 are provided about adjacent warp threads 420a which preferably are separated by one or more warp threads 420a, especially 1-3 warp threads 420a, particularly just 1 warp thread 420a.
  • This plurality of adjacent front binder thread loops 416 keep the binder thread 414 more securely in place on the front layer 402 and enhances the ability of the rear layer 404 to slide along the binder thread 414, relative to the front layer.
  • the rear layer 404 preferably has only a single rear binder thread loop 418 in each of its second opaque stripes 410, to which each binder thread 414 is attached.
  • the thin preshrunk warp thread 428 should be thinner than a normal warp thread 420 of the fabric 401.
  • the thickness of the thin preshrunk warp thread 428 is 20 to 50%, particularly about 30%, of the thickness of the warp thread 420.
  • the thin preshrunk warp thread 428 is preferably a twisted or twined, multi-filament preshrunk thread, preferably a Trevira CS.
  • their front and rear layers 2,102,202, 302, 402, 4,104,204, 304,404 can be woven with their own dedicated weft threads, towed off separate spools, or with one weft thread alternately weaving front and rear layers. Since such fabric blinds are woven on a single machine, their layers and stripes can be made to be perfectly aligned.
  • their binder threads 14,114,214,314 can easily be woven between their layers 2,102,202,302,402, 4,104,204,304,404 at the same time as their layers are woven. In so-doing, their binder threads can be formed by special weft threads that are interwoven with the groups of adjacent warp threads, forming the opaque stripes 6,106,206,10,110,210 of their layers.
  • the resulting fabric 1,101,201,301,401 of this invention has the opaque stripes of its front layer covering the translucent stripes of its rear layer.
  • This closed fabric can then be suitably printed (e.g., transfer printed) on at least its front layer 2,102,302,402 in a conventional manner to create a fabric blind with the decoration shown in Figures 2(a) and (b).
  • the front layer is the layer of the fabric that is normally in view, and therefore printed, when the fabric is to be used as an architectural covering.
  • transfer printing it would be possible to produce the front layer with a single color by dyeing its warp and/or weft threads or by dying it as a whole.
  • binder threads 14,114,214, 314 of each fabric blind 1,101,201,301,401 be about 1-3 cm apart, especially about 1-2 cm apart.
  • the warp and weft threads and the binder threads and their interwoven positions should be selected to ensure that the layers 2,102, 202, 302, 402, 4, 104, 204, 304, 404 of each fabric blind 1, 101, 201, 301, 401 are sufficiently smooth, strong and durable and that the front layer 2, 102, 202, 302, 402 can slide vertically, relative to the rear layer 4, 104, 204, 304, 404, along the binder threads. This is particularly important where the opaque stripes 6, 106, 206, 10, 110, 210 of the layers are relatively densely woven.
  • the use of specific threads in the warp and weft directions is not critical, and conventional mono-filament and multi-filament threads for making window coverings can be used.
  • the binder threads 14,114,214,314,440 of the fabric blinds 1,101,201,301,401 should be of a strong material, such as polyester, nylon, aramid (e.g., a Nomex or Kevlar aramid), and/or polytetrafluoroethylene (e.g.,Teflon) fibers.
  • the binder threads should also have a smooth exterior surface, especially a surface like that of some mono-filament threads, so as to reduce the friction of the sliding of the front and rear layers 2,102,202, 302,402,4,104,204,304,404 along the binder when opening or closing the fabric blinds.
  • the binder threads are multi-filament threads and that the pulling threads are mono-filament threads. It is also preferred that the binder, as well as the warp and other weft threads, be heat resistant or previously heat-treated, so that any subsequent heat treatment of the fabric blinds, such as transfer printing, does not damage or shrink significantly such threads. In this regard, the binder threads can have substantially the same heat-shrinkage characteristics as the other weft fibers of the fabric blind, so that the binder threads shrink to about the same extent as the other weft fibers when the fabric blind is heat-treated. It is also preferred that the whole blind be fire resistant, for example by weaving it entirely from Trevira CS polyester threads.
  • each binder thread 14,114,214,314,440 of the fabrics 1,101,201,301,401 is a preshrunk and smooth (not texturized) thread, such as a polyester thread.
  • a preshrunk and smooth thread such as a polyester thread.
  • the fabric blinds 1,101,201,301,401 can be installed in an architectural opening, such a window. Conventional mechanisms can then be attached to the top and or bottom of the blinds for sliding their front layers 2,102,202, 302,402 vertically relative to their rear layers 4,104,204, 304,404. Such blinds can also be produced as fixed blinds, roman shades or roller blinds.
  • the complementary patterns of the layers of the covering could comprise two or more portions of different colors instead of opaque and translucent portions, whereby the two layers could be moved relative to one another to vary the color of the light passing through different portions of the covering.
  • the term "complementary" is intended to mean that portions of the layers of the covering of this invention can be made to wholly or partially overlap one another to a greater or lesser extent by moving one layer relative to, and parallel to, the other and thereby affect differently the light passing through the layers.
  • the opaque and translucent stripes 6,106,206,8,108,208,10,110, 210,12,112,212 of such blinds need not be have straight, bottom and top edges but could have instead mating, scalloped or saw-toothed bottom and top edges.
  • the stripes could extend vertically, instead of horizontally, and accordingly, the layers could move horizontally relative to one another instead of vertically to open and close the covering.
  • the stripes could be replaced by other patterns, such as round, elliptical or other closed patterns without sides, triangular or other polygonal patterns, etc., provided such patterns on the layers can be moved to change their amount of coincidence (e.g., horizontal alignment in a vertical covering).
  • such coverings and their layers need not extend vertically but could also be horizontal or at an angle.
  • the rear layers 4,104,204, 304, 404 of such coverings could be moved vertically relative to their front layers 2,102,202, 302,402 instead of vice-versa, and either the front or rear layer could be moved downwardly, instead of upwardly, relative to the other layer to open the coverings.
  • the front layer 302 of the fabric blind 301 of Figure 7 could have extra weft threads 322a forming weft thread loops (not shown) that form tunnels to the front of, and about, the warp threads 322a, about which pass vertically the front binder thread loops 316 of the binder thread 314 -- instead of having the weft thread loops 330 in the rear layer 304 -- if the front layer is moved relative to the rear layer along the binder threads 314 in the fabric blind.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Laminated Bodies (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
EP20020251767 2001-03-13 2002-03-13 Couverture architectonique Expired - Lifetime EP1241318B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20020251767 EP1241318B1 (fr) 2001-03-13 2002-03-13 Couverture architectonique

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01200949 2001-03-13
EP01200949 2001-03-13
EP20020251767 EP1241318B1 (fr) 2001-03-13 2002-03-13 Couverture architectonique

Publications (3)

Publication Number Publication Date
EP1241318A2 true EP1241318A2 (fr) 2002-09-18
EP1241318A3 EP1241318A3 (fr) 2004-01-28
EP1241318B1 EP1241318B1 (fr) 2006-02-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1512829A1 (fr) * 2003-09-08 2005-03-09 Hunter Douglas Industries B.V. Fixation d'un store
EP1564362A2 (fr) * 2004-02-12 2005-08-17 Tae Woong Byeon Stores

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL272858A (fr) 1900-01-01
GB395176A (en) 1932-08-11 1933-07-13 James Frits Love Improvements in or relating to double texture ribbed carpets and to the weaving thereof
US2029675A (en) 1934-12-15 1936-02-04 Philip M Schlamp Window shade
GB540059A (en) 1940-04-25 1941-10-03 Joseph Ratcliffe Edisbury Improvements in or relating to fabrics
US2502101A (en) 1949-03-02 1950-03-28 Woonsocket Falls Mill Fabric and method of making same
US2549167A (en) 1945-11-15 1951-04-17 Henry J Brubaker Light controlling means
GB926663A (en) 1959-09-30 1963-05-22 Kenneth William Bradshaw Improvements relating to window blinds
FR1366224A (fr) 1963-05-31 1964-07-10 Griesser Et Cie Tissu pour stores
US3359610A (en) 1963-12-17 1967-12-26 Deering Milliken Res Corp Woven fabrics
GB1227619A (fr) 1967-12-01 1971-04-07 Griesser Sa
FR2063535A5 (en) 1969-10-21 1971-07-09 Maistre Michel Expandible woven fabric
DE2326438A1 (de) 1973-05-24 1975-02-06 Karl Fischer Lichtjalousie aus einer doppelten und in laengs- bzw. querstreifen angelegten kunststoff-folien die uebereinandergleiten und vollautomatisch zueinander gesteuert sind
US3943980A (en) 1972-09-20 1976-03-16 Hitco Multi-ply woven article having double ribs
US4025684A (en) 1971-09-02 1977-05-24 Helmut Neidhardt Tubular fabric coated with plastics or synthetic rubbers
GB2058161A (en) 1979-09-11 1981-04-08 Mitter M Blanket for screen printing machines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63145496A (ja) * 1986-12-02 1988-06-17 日本フイルコン株式会社 製紙用多層織物

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL272858A (fr) 1900-01-01
GB395176A (en) 1932-08-11 1933-07-13 James Frits Love Improvements in or relating to double texture ribbed carpets and to the weaving thereof
US2029675A (en) 1934-12-15 1936-02-04 Philip M Schlamp Window shade
GB540059A (en) 1940-04-25 1941-10-03 Joseph Ratcliffe Edisbury Improvements in or relating to fabrics
US2549167A (en) 1945-11-15 1951-04-17 Henry J Brubaker Light controlling means
US2502101A (en) 1949-03-02 1950-03-28 Woonsocket Falls Mill Fabric and method of making same
GB926663A (en) 1959-09-30 1963-05-22 Kenneth William Bradshaw Improvements relating to window blinds
FR1366224A (fr) 1963-05-31 1964-07-10 Griesser Et Cie Tissu pour stores
US3359610A (en) 1963-12-17 1967-12-26 Deering Milliken Res Corp Woven fabrics
GB1227619A (fr) 1967-12-01 1971-04-07 Griesser Sa
FR2063535A5 (en) 1969-10-21 1971-07-09 Maistre Michel Expandible woven fabric
US4025684A (en) 1971-09-02 1977-05-24 Helmut Neidhardt Tubular fabric coated with plastics or synthetic rubbers
US3943980A (en) 1972-09-20 1976-03-16 Hitco Multi-ply woven article having double ribs
DE2326438A1 (de) 1973-05-24 1975-02-06 Karl Fischer Lichtjalousie aus einer doppelten und in laengs- bzw. querstreifen angelegten kunststoff-folien die uebereinandergleiten und vollautomatisch zueinander gesteuert sind
GB2058161A (en) 1979-09-11 1981-04-08 Mitter M Blanket for screen printing machines

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1512829A1 (fr) * 2003-09-08 2005-03-09 Hunter Douglas Industries B.V. Fixation d'un store
US7438115B2 (en) 2003-09-08 2008-10-21 Hunter Douglas Industries Bv Attachment of an architectural covering
US8662137B2 (en) 2003-09-08 2014-03-04 Hunter Douglas Industries Bv Attachment of an architectural covering
EP1564362A2 (fr) * 2004-02-12 2005-08-17 Tae Woong Byeon Stores
EP1564362A3 (fr) * 2004-02-12 2006-04-26 Tae Woong Byeon Stores

Also Published As

Publication number Publication date
EP1241318B1 (fr) 2006-02-01
EP1241318A3 (fr) 2004-01-28

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