A seamless cover
By designing closed chambers in seamless down comforters and using adhesives to fix them, the problems of filling displacement and uneven filling are solved, achieving convenient production and good insulation effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TENGFEI TECH CO LTD
- Filing Date
- 2025-05-12
- Publication Date
- 2026-06-02
Smart Images

Figure CN224307093U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a seamless quilt (i.e., a seamless fabric quilt), belonging to the field of home furnishing product technology. Background Technology
[0002] A quilt is a common household product, and its types include filled quilts, such as down quilts. Traditional down quilts often use stitching to create individual chambers to hold the filling and prevent it from shifting. However, with stitching, the fine and light down fibers are more likely to escape through the needle holes, affecting its continued use. Existing technology includes down quilts that use interlayer strips glued together to form a box-like structure to hold the filling; for example, Chinese patent CN203121808U, entitled "A Seamless Down Quilt". The patent number is CN201612408U, and the patent name is "Seamless Down Comforter." This type of box-shaped down comforter requires significant manpower and resources to produce and is difficult to manufacture. Existing technologies also involve directly gluing the upper and lower comforter surfaces together, creating a cavity with through holes between the two layers, inserting down-filling pipes through the through holes to fill the cavity with down, and then removing the down-filling pipes. However, in this type of seamless comforter, the connection between the two filling cavities is not closed, leading to problems such as down displacement and uneven filling volume. Therefore, there is an urgent need in this technical field for a seamless filled comforter with closed filling cavities that prevents down leakage and is easy to produce. Utility Model Content
[0003] The purpose of this invention is to solve the technical problem of how to obtain a seamless (seamless) filled quilt with a closed filling chamber that will not leak down and can be easily produced.
[0004] To address the aforementioned problems, the present invention provides a seamless quilt, comprising an upper layer, a lower layer, and a filling material disposed between the upper and lower layers. The upper and / or lower layers have several predetermined areas, and the upper and lower layers are bonded and fixed to the predetermined areas, dividing the space between the upper and lower layers into multiple closed cavities that are not interconnected. The closed cavities are filled with the filling material.
[0005] Preferably, the enclosed chambers are arranged sequentially adjacent to each other, and each enclosed chamber shares a common side with its adjacent chamber.
[0006] Preferably, the enclosed chambers are distributed throughout the entire quilt surface.
[0007] Preferably, the upper and / or lower layers of the seamless cover are provided with a plurality of sequentially adjacent grid-shaped predetermined areas, and the edges of the grid-shaped predetermined areas are provided with adhesive areas. The upper and lower layers are bonded and fixed to the adhesive areas provided in the grid-shaped predetermined areas to form a continuous closed cavity.
[0008] Preferably, the enclosed chamber is provided with a fibrous filling material; the type of filling material includes down.
[0009] Preferably, the shape of the enclosed chamber includes a quadrilateral, pentagon, hexagon, or irregular shape; the seamless part is provided with several enclosed chambers of the same shape or several enclosed chambers of different shapes.
[0010] Preferably, an adhesive is provided on several predetermined areas of the upper layer and / or the lower layer.
[0011] Preferably, the adhesive is a hot melt adhesive.
[0012] Preferably, the upper layer and / or the lower layer are provided with an adhesive around their edges; the edges of the upper layer and the lower layer are bonded together to form seamless edges.
[0013] This utility model provides a molding device for manufacturing a seamless blanket. The seamless blanket includes an upper layer, a lower layer, and a filler disposed between the upper and lower layers. The upper layer and / or the lower layer are provided with a plurality of predetermined areas. The upper layer and the lower layer are bonded and fixed at the predetermined areas, dividing the space between the upper and lower layers into a plurality of closed cavities that are not interconnected. The closed cavities are provided with the filler. The predetermined areas include a predetermined area one and a predetermined area two. The molding device includes a module one and a module two corresponding to the predetermined area one and the predetermined area two, respectively. The module one and the module two control the upper layer and the lower layer to be bonded and fixed at the predetermined area one and the predetermined area two through molding, so that the space between the upper and lower layers is successively divided into a plurality of interconnected cavities and a plurality of closed cavities that are not interconnected.
[0014] Preferably, the seamless upper and / or lower layers are provided with a plurality of sequentially adjacent grid-shaped predetermined regions, and the edges of the grid-shaped predetermined regions are provided with continuous predetermined regions one and two forming the edges of the grid-shaped predetermined regions; adhesive is provided on the predetermined regions one and two; the molding device includes module one and module two corresponding to predetermined regions one and two respectively; the module one and module two control the upper and lower layers to be bonded and fixed at predetermined regions one and two through molding, so that the space between the upper and lower layers is successively divided into multiple interconnected chambers and multiple closed chambers that are not interconnected.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] The seamless quilt with filling disclosed in this utility model first fixes a portion of the upper and lower layers with adhesive to divide the space between the upper and lower layers into multiple interconnected chambers. Then, each chamber is filled with down through a down-filling tube. After filling, a portion of the upper and lower layers is fixed with adhesive again to divide the space between the upper and lower layers into multiple closed chambers with filling that are not interconnected, thereby sealing the filling, preventing down leakage, and solving the technical problem of filling movement.
[0017] The seamless quilt provided by this utility model is made by using an adhesive bonding process, which fixes the four sides of the sealed chamber and the four sides of the quilt with adhesive. This overcomes the disadvantage of traditional down quilts, which are sewn by sewing, where down can easily escape from the needle holes. The adhesive bonding also prevents heat from escaping through the needle holes, thus improving the heat preservation performance of the quilt. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the front view structure of the seamless cover of this utility model;
[0019] Figure 2 This is a side view of the seamless lining structure of this utility model.
[0020] Figure 3 This is a schematic diagram of module one in the molding device of the hot pressing mold of this utility model;
[0021] Figure 4 This is a schematic diagram of the seamless down filling structure of this utility model;
[0022] Figure 5 This is a schematic diagram of module two in the molding device of the hot pressing mold of this utility model.
[0023] Reference numerals: 1. Seamless quilt; 2. Top layer; 3. Bottom layer; 4. Filler; 5. Pre-defined area; 6. Pre-defined area one; 7. Pre-defined area two; 8. Continuous cavity; 9. Edge cavity; 10. Through hole; 11. Module one; 12. Module two; 13. Down filling channel. Detailed Implementation
[0024] To make this utility model more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings:
[0025] like Figure 1-5As shown, this utility model provides a seamless quilt 1, which includes an upper layer 2, a lower layer 3, and a filler 4 disposed between the upper and lower layers. The upper layer 2 and / or the lower layer 3 are provided with a plurality of predetermined areas 5. The upper layer 2 and the lower layer 3 are bonded and fixed to the predetermined areas 5, dividing the space between the upper and lower layers into a plurality of closed chambers that are not interconnected. The closed chambers are provided with the filler 4. The closed chambers are sequentially adjacent, and each closed chamber and its adjacent chambers have a common side. The closed chambers are distributed throughout the entire quilt surface.
[0026] In one embodiment, the seamless upper layer 2 and / or lower layer 3 are provided with a plurality of sequentially adjacent grid-shaped predetermined regions, and the edges of the grid-shaped predetermined regions are provided with adhesive areas. The upper and lower layers are bonded and fixed to the adhesive areas provided in the grid-shaped predetermined regions to form a continuous closed cavity.
[0027] The enclosed chamber is filled with a fibrous material; the type of the filling material includes down.
[0028] The bonding area is coated with adhesive. The adhesive can be hot melt adhesive, photosensitive adhesive, etc., which require a specific physical or chemical technique to activate the adhesive's tackiness in order to fix and connect the parts coated with the adhesive.
[0029] Adhesive is applied to different areas around the sealed chamber. By activating the adhesive in different areas twice, the chamber to be sealed first forms a semi-closed state, and then forms a fully closed state.
[0030] The adhesive in a certain area is activated for the first time, so that the closed chamber is in a semi-closed state. In the semi-closed state, the filling channel 13 formed by the through hole 10 between the chambers is filled with down. After the filling is completed, the adhesive in the remaining areas is activated for the second time, so that the semi-closed chamber is in a fully closed state.
[0031] In the following embodiments, the adhesive is in the form of a hot melt adhesive.
[0032] Example 1
[0033] like Figure 1-5 As shown, this utility model provides a seamless blanket 1 with filler 4. The upper layer 2 and lower layer 3 of the seamless blanket 1 are respectively provided with continuous squares, and hot melt adhesive is provided along the square edges of the continuous squares.
[0034] Each square edge is divided into a predetermined area 6 and a predetermined area 7; the predetermined area 6 and the predetermined area 7 form a continuous square edge; hot melt adhesive is applied to both the predetermined area 6 and the predetermined area 7.
[0035] The continuous squares on the upper and lower surfaces correspond to each other and are fixed together by hot-pressing with hot melt adhesive at the edges of the squares; the hot melt adhesive in the predetermined area 6 at the edge of the squares is first fixed together by hot-pressing to form unclosed chambers.
[0036] These unclosed chambers form multiple interconnected chambers between the upper and lower quilt surfaces. These chambers are continuous cavities 8 with continuous through holes 10. Some chambers are also edge chambers 9 on the seamless quilt 1 side. The side of the edge chambers 9 facing the seamless quilt 1 side is not closed and also has through holes 10. The continuous through holes 10 constitute the down filling channel 13.
[0037] A single continuous cavity 8 can be a three-dimensional geometric shape. Multiple continuous cavities 8 extend from one side of the seamless quilt 1 to the other side, distributed in the area between the upper and lower layers. The filling pipe enters the multiple continuous cavities 8 sequentially from one side of the seamless quilt 1 through the through hole 10 (i.e., through the filling channel 13) until it reaches the other side of the seamless quilt 1. The continuous cavities 8 are filled sequentially through the filling pipe. When one cavity is filled, the filling pipe exits from the channel 10 and enters an adjacent continuous cavity 8 to fill the second continuous cavity 8. In the edge cavities 9 at the edge of the seamless quilt 1, the filling is done directly through the unclosed side of the edge cavity 9. This operation is repeated until all unclosed cavities are filled with filling material, thus completing the filling of each cavity.
[0038] The outer cover of the seamless filling comforter can be made of high-count, high-density cotton fabric, while the inner cover can be made of down-proof fabric. The filling can be duck down or goose down.
[0039] After the filling is completed, it is hot-pressed again to connect and fix the hot melt adhesive of the predetermined area 7 of the grid edge together to form closed cavities; thus completing the seamless quilt 1 with multiple non-interconnected filled closed cavities.
[0040] The shape of the closed chamber can be designed in various geometric shapes; several geometric shapes of closed chambers can also be presented on a single surface.
[0041] Example 2
[0042] This utility model provides a manufacturing process for a seamless blanket 1, which includes an upper layer 2, a lower layer 3, and a filler 4 disposed between the upper and lower layers. The upper layer 2 and / or the lower layer 3 are provided with a plurality of predetermined areas 5. The upper layer 2 and the lower layer 3 are bonded and fixed to the predetermined areas 5 to divide the space between the upper and lower layers into a plurality of closed chambers that are not interconnected. The closed chambers are provided with the filler 4.
[0043] The production process includes designating a predetermined area 5 as predetermined area one 6 and predetermined area two 7. The upper layer 2 and the lower layer 3 are first bonded and fixed to predetermined area one 6, dividing the space between the upper and lower layers into multiple interconnected chambers. Through holes 10 are provided between adjacent chambers. After filling each chamber with filler 4 through the through holes 10, the upper layer 2 and the lower layer 3 are then bonded and fixed to predetermined area two 7, sealing the above chambers into multiple closed chambers that are not interconnected.
[0044] In a specific embodiment, the upper layer 2 and / or lower layer 3 of the seamless sheet 1 are provided with a plurality of sequentially adjacent grid-shaped predetermined regions 5. The edges of the grid-shaped predetermined regions 5 are provided with continuous predetermined regions 1 and 2 7 that form the edges of the grid-shaped predetermined regions. The predetermined regions 1 and 2 7 are provided with adhesive. The adhesive is a hot melt adhesive. The production process includes bonding and fixing the upper layer 2 and lower layer 3 to the predetermined region 1 6 by hot pressing once, dividing the space between the upper and lower layers into multiple interconnected chambers. After filling each chamber with filler, the upper layer 2 and lower layer 3 are bonded and fixed to the predetermined region 2 7 by hot pressing again, thereby sealing the above-mentioned unsealed chambers into multiple non-interconnected sealed chambers.
[0045] The production method includes the following steps:
[0046] Step 1: Prepare fabric of appropriate size as the upper layer 2 and lower layer 3 of the seamless quilt 1. The upper and lower layers are respectively provided with upper continuous squares and lower continuous squares at corresponding positions. The edge areas of the upper and lower continuous squares are pre-set with a first hot melt adhesive area (i.e., predetermined area 6) and a second hot melt adhesive area (i.e., predetermined area 7). The first hot melt adhesive area and the second hot melt adhesive area form the edge of the continuous squares.
[0047] Step 2: Align the upper and lower continuous squares of the upper and lower layers and place them in a hot press for hot pressing. The hot press heats the mold only on the first hot melt adhesive area (i.e., predetermined area 6) and does not heat the second hot melt adhesive area (i.e., predetermined area 7). Through this hot pressing, the upper layer 2 and the lower layer 3 are bonded and fixed at the predetermined area 6, dividing the space between the upper and lower layers into multiple interconnected chambers, including continuous chambers 8 and edge chambers 9.
[0048] Step 3: The down filling pipe enters the multiple continuous cavities 8 sequentially from one side of the seamless quilt 1 through the through hole 10 until it reaches the other side of the seamless quilt 1; down is filled into the continuous cavities 8 sequentially through the down filling pipe; when one cavity is filled, the down filling pipe exits from the channel 10 and enters an adjacent continuous cavity 8, and then fills the second continuous cavity 8; in the edge cavity 9 at the edge of the seamless quilt 1, down is filled directly into the edge cavity 9 through the unclosed side; this operation is repeated until all unclosed cavities are filled with filling material; the filling material is duck down or goose down.
[0049] Step 4: Restart the hot press; the hot press heats the mold only on the second hot melt adhesive area (i.e., predetermined area 2 7), and does not heat the first hot melt adhesive area (i.e., predetermined area 1 6); through this hot press, the upper layer 2 and the lower layer 3 are bonded and fixed at the predetermined area 2 7, and the unsealed cavity in step 2 is sealed, completing the seamless 1 with multiple non-interconnected sealed cavities filled with material.
[0050] Example 3
[0051] This utility model provides a molding device for producing seamless blankets;
[0052] The seamless liner 1 includes an upper layer 2, a lower layer 3, and a filler 4 disposed between the upper and lower layers. The upper layer 2 and / or the lower layer 3 are provided with a plurality of predetermined regions 5. The upper layer 2 and the lower layer 3 are bonded and fixed to the predetermined regions 5 to divide the space between the upper and lower layers into a plurality of closed chambers that are not interconnected. The closed chambers are provided with the filler 4. The predetermined regions 5 include a first predetermined region 6 and a second predetermined region 7.
[0053] The molding device includes module 11 and module 22 corresponding to predetermined region 6 and predetermined region 7 respectively; module 11 and module 22 control the upper layer 2 and the lower layer 3 to be bonded and fixed at predetermined region 6 and predetermined region 7 by hot pressing, so that the space between the upper and lower layers is successively divided into multiple interconnected chambers and multiple closed chambers that are not interconnected.
[0054] In this embodiment, the upper layer 2 and / or lower layer 3 of the seamless sheet 1 are provided with a plurality of sequentially adjacent grid-shaped predetermined regions 5. The edges of the grid-shaped predetermined regions 5 are provided with continuous predetermined regions 6 and 7 forming the edges of the grid-shaped predetermined regions 5. Hot melt adhesive is provided on the predetermined regions 6 and 7. The molding device of the hot press includes modules 11 and 12 corresponding to the predetermined regions 6 and 7 respectively. The modules 11 and 12 control the upper layer 2 and the lower layer 3 to be bonded and fixed at the predetermined regions 6 and 7 by hot pressing, so that the space between the upper and lower layers is successively divided into multiple interconnected chambers and multiple closed chambers that are not interconnected.
[0055] like Figure 3 As shown in Figure 5, this is a schematic diagram of the structure of module 11 and module 212 in the molding device of the hot pressing mold of this utility model.
[0056] In this embodiment, the molding device of this utility model is a combined, embedded combination mold; specifically: the structure of module one 11 is a heating plate with a diamond-shaped gap in the middle and a triangular notch at the edge. The heating plate has an independent heating source (such as electric heating) and a cooling source (such as water cooling); the protruding part of module two 12 (i.e., the diamond part and the triangular part) is provided in the diamond-shaped gap and the triangular notch; module two 12 has an independent heating source (such as electric heating) and a cooling source (such as water cooling), and can extend into the diamond-shaped part and the triangular part of the gap of the heating plate of module one 11, and can independently control the heating or cooling of the heating plate of module one 11.
[0057] During the first hot pressing process on the seamless substrate 1, module 11 is energized and heated, while module 2 is cooled by water. This causes the hot melt adhesive in the first hot melt adhesive area (i.e., predetermined area 6) to melt, while the adhesive in the second hot melt adhesive area (i.e., predetermined area 7) remains unheated and unchanged. Through this hot pressing, the upper layer 2 and the lower layer 3 are bonded and fixed at predetermined area 6, dividing the space between the upper and lower layers into multiple interconnected chambers, including a continuous chamber 8 and an edge chamber 9.
[0058] After the down filling is completed, the hot press is turned on again; water is circulated to cool the heating mold module 11 in the hot press, and electricity is circulated to heat the module 2 12.
[0059] Alternatively, module 11 no longer contacts the quilt surface, but only the rhomboid and triangular portions of module 2 12 extend out of the gap in module 11 to contact the quilt surface. At this time, module 2 12 is energized and heated; the second hot melt adhesive area (i.e., predetermined area 2 7) is heated, while the first hot melt adhesive area (i.e., predetermined area 1 6) is not heated; the upper layer 2 and the lower layer 3 are bonded and fixed at predetermined area 2 7 through this hot pressing, and the previously unsealed cavity is sealed to complete the seamless quilt 1 with multiple non-interconnected filled sealed cavities.
[0060] The above description is merely a preferred embodiment of this utility model and is not intended to limit this utility model in any form or substance. It should be noted that those skilled in the art can make various improvements and additions without departing from this utility model, and these improvements and additions should also be considered within the protection scope of this utility model. Any modifications, alterations, and equivalent changes made by those skilled in the art without departing from the spirit and scope of this utility model using the disclosed technical content are equivalent embodiments of this utility model. Furthermore, any modifications, alterations, and evolutions made to the above embodiments based on the essential technology of this utility model are still within the scope of the technical solution of this utility model.
Claims
1. A seamless blanket, characterized in that, The seamless structure includes an upper layer, a lower layer, and a filler material disposed between the upper and lower layers. The upper layer and / or the lower layer are provided with a plurality of predetermined areas. The upper layer and the lower layer are bonded and fixed in the predetermined areas to divide the space between the upper and lower layers into a plurality of closed chambers that are not interconnected. The closed chambers are provided with filler material.
2. The seamless cover according to claim 1, characterized in that, The enclosed chambers are arranged sequentially next to each other, and each enclosed chamber shares a common side with its adjacent chamber.
3. A seamless cover according to claim 1, characterized in that, The enclosed chambers are distributed throughout the entire quilt surface.
4. A seamless cover according to claim 1, characterized in that, The seamless upper and / or lower layers are provided with a plurality of sequentially adjacent grid-shaped predetermined areas, and the edges of the grid-shaped predetermined areas are provided with adhesive areas. The upper and lower layers are bonded and fixed to the adhesive areas provided in the grid-shaped predetermined areas to form a continuous closed cavity.
5. A seamless cover according to claim 1, characterized in that, The enclosed chamber is filled with fibrous material; the type of filling material includes down.
6. A seamless cover according to claim 1, characterized in that, The shape of the enclosed chamber includes quadrilateral, pentagonal, hexagonal or irregular shape; the seamless part is provided with several enclosed chambers with the same shape or several enclosed chambers with different shapes.
7. A seamless cover according to claim 1, characterized in that, An adhesive is provided on several predetermined areas of the upper and / or lower layers.
8. A seamless cover according to claim 7, characterized in that, The adhesive is a hot melt adhesive.
9. A seamless cover according to claim 1, characterized in that, The upper and / or lower layers are provided with adhesive around their edges; the upper and lower layers are bonded together to form seamless edges.