EP2692266A1 - Multi-layer-type bed covering and manufacturing method for same - Google Patents
Multi-layer-type bed covering and manufacturing method for same Download PDFInfo
- Publication number
- EP2692266A1 EP2692266A1 EP12762994.7A EP12762994A EP2692266A1 EP 2692266 A1 EP2692266 A1 EP 2692266A1 EP 12762994 A EP12762994 A EP 12762994A EP 2692266 A1 EP2692266 A1 EP 2692266A1
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- EP
- European Patent Office
- Prior art keywords
- fabric
- quilting
- sewn
- baffle
- raw material
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/02—Bed linen; Blankets; Counterpanes
- A47G9/0207—Blankets; Duvets
- A47G9/0223—Blankets
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/06—Travelling rugs; Sleeping rugs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/02—Bed linen; Blankets; Counterpanes
- A47G9/0207—Blankets; Duvets
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/02—Bed linen; Blankets; Counterpanes
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B11/00—Machines for sewing quilts or mattresses
Definitions
- the present invention relates to a multilayer-type comforter and a method for manufacturing the same.
- Patent Documents 1 to 4 Examples of this type of multilayer-type comforter are described in Patent Documents 1 to 4.
- these conventional comforters have three fabrics, namely, an outer fabric, an interlining and a backing fabric. Feathers are disposed between the outer fabric and the interlining. A filling material is disposed between the interlining and the backing fabric.
- the outer fabric and the interlining are joined by baffle-box quilting, and the interlining and the backing fabric are joined by sewn-through quilting.
- baffles should be spaced apart widely or a large slit has to be formed in each baffle in advance so as to prevent the sewn-through quilting from sewing the baffles of the baffle-box quilting to lay them down.
- An object of the present invention is to solve the above-described problems of the conventional technique, and a multilayer-type comforter having at least three fabrics as first to third fabrics, a first raw material being interposed between the first fabric and the second fabric, a second raw material being interposed between the second fabric and the third fabric, the first fabric and the second fabric being joined by a baffle-box quilting with a baffle interposed therebetween, the second fabric and the third fabric being joined by a sewn-through quilting, the baffle-box quilting and the sewn-through quilting being different in arrangement is characterized in that the baffle formed on the second fabric is sewn to the second fabric by the sewn-through quilting and then cut to stand up from the second fabric.
- the first raw material is a blown filling
- the second raw material is a sheet-like filling material
- the first fabric and the third fabric are different in air permeability.
- stitches of the sewn-through quilting reach the periphery of the third fabric by quilting on a comforter sewing machine.
- At least part of the sewn-through quilting can be made curvilinear.
- the horizontal interval of the sewn-through quilting is made wider at the right and left sides and narrower at the center, and the horizontal interval of the baffle-box quilting is made wider at the center and narrower at the right and left sides.
- the blown filling is a short fibrous raw material, such as feathers, granulated wool, or polyester.
- the sheet-like filling material is one of a sheet-like cotton material obtained by bringing short fiber cotton into the state where cotton fibers are entangled together by carding, needle punch or the like and a filling material obtained by shaping long fibers, such as floss silk fibers or polyester long fibers, into the form of a sheet.
- a fourth fabric is disposed on the outside of the first fabric, the second raw material is interposed between the first fabric and the fourth fabric, and the first fabric and the fourth fabric can be joined by the sewn-through quilting.
- the first raw material and the second raw material can be a blown filling.
- a method for manufacturing a multilayer-type comforter of the present invention having at least three fabrics as first to third fabrics, a first raw material being interposed between the first fabric and the second fabric, a second raw material being interposed between the second fabric, and the third fabric, the first fabric and the second fabric being joined by a baffle-box quilting with a baffle interposed therebetween, the second fabric and the third fabric being joined by a sewn-through quilting, the baffle-box quilting and the sewn-through quilting being different in arrangement is characterized in that the baffle formed on the second fabric is sewn to the second fabric by the sewn-through quilting and then cut to stand up from the second fabric.
- the sewn-through quilting can be sewn on a comforter sewing machine.
- the operation of arranging baffles of a baffle-box quilting is facilitated, and airtight independency of quilt boxes is not impaired.
- Fig. 1 shows a two-layer-type comforter shown as an example of a multilayer-type comforter.
- Figs. 2 and 3 show cross sections of the two-layer-type comforter.
- the two-layer-type comforter has three fabrics, namely, first to third fabrics 1, 2 and 3.
- First fabric 1 is an outer fabric
- second fabric 2 is an interlining
- third fabric 3 is used as a backing fabric. Therefore, third fabric 3 is generally in contact with a human body.
- first fabric 1 can also be used in a manner contacting a human body depending on the season.
- a first raw material 4 is disposed between first fabric 1 and second fabric 2.
- a second raw material 5 is disposed between second fabric 2 and third fabric 3.
- First fabric 1 and second fabric 2 are joined by a baffle-box quilting 6.
- Second fabric 2 and third fabric 3 are joined by a sewn-through quilting 7.
- Baffle-box quilting 6 and sewn-through quilting 7 are different in arrangement.
- the above-mentioned "sewn-through quilting 7" directly sews fabrics.
- the above-mentioned "baffle-box quilting 6" joins fabrics with a baffle 8 interposed therebetween, and can leave a wide space between first fabric 1 and second fabric 2.
- a first baffle 8a sewn or adhered to the rear surface of first fabric 1 and a second baffle 8b sewn or adhered to the upper surface of second fabric 2 are sewn or adhered to each other to join first fabric 1 and second fabric 2.
- Second baffle 8b of the baffle-box quilting formed on second fabric 2 is sewn to second fabric 2 by sewn-through quilting 7 and then cut to stand up from second fabric 2.
- First raw material 4 is a blown filling.
- Second raw material 5 is a sheet-like filling material. However, second raw material 5 can also be a blown filling similar to the first raw material.
- the blown filling is a short fibrous raw material, such as feathers, granulated wool, or polyester.
- the sheet-like filling material is a sheet-like cotton material obtained by bringing short fiber cotton into the state where cotton fibers are entangled together by carding, needle punch or the like, or a filling material obtained by shaping long fibers, such as floss silk fibers or polyester long fibers, into the form of a sheet.
- first raw material 4 shall be feathers.
- Second raw material 5 is absorbent, heat-releasable cotton composed of 50% polyester and 50% cellulosic fiber, for example, and is formed in the form of carded filling.
- First fabric 1 and third fabric 3 shall be different in air permeability.
- first fabric 1 has an air permeability of 1.5 cm 3 /cm 2 ⁇ s
- third fabric 3 has an air permeability of 3.5 cm 3 /cm 2 ⁇ s.
- first fabric 1 At 1.5 cm 3 /cm 2 ⁇ s plays a role to prevent the feathers as first raw material 4 from being blown off and to prevent heat from escaping from the upper part of the comforter.
- third fabric 3 By setting the air permeability of third fabric 3 at 3.5 cm 3 /cm 2 ⁇ s, insensible perspiration from a human body is likely to pass through third fabric 3, which improves second raw material 5 in absorbency and heat release capability. Thus, the effect of reducing humidity in a bed can be obtained.
- first fabric 1 and third fabric 3 fabrics of the same air permeability can be used for first fabric 1 and third fabric 3.
- first fabric 1 and third fabric 3 should be different in air permeability, it is preferable to set first fabric 1 at 0.5 to 3.0 cm 3 /cm 2 ⁇ s, third fabric 3 at 2.0 to 5.0 cm 3 /cm 2 ⁇ s, and the difference in air permeability between first fabric 1 and third fabric 3 at more than or equal to 1.0 cm 3 /cm 2 ⁇ s.
- Figs. 4 to 11 are drawings showing manufacturing steps of the above-described two-layer-type comforter.
- baffle tape 8b is attached to the upper surface of the interlining which is second fabric 2.
- Baffle tape 8b is sewn lengthwise and crosswise such that 5 ⁇ 6 boxes are formed, for example.
- This baffle tape 8b constitutes above-described second baffle 8b.
- baffle tape 8a is also sewn on the rear surface side of first fabric 1 such that 5 ⁇ 6 boxes are formed (see Fig. 9 ).
- boxes are not limited to 5 ⁇ 6, but can be patterned infinitely as, for example, 3 ⁇ 5.
- absorbent, heat releasable carded filling as second raw material 5 is disposed between second fabric 2 and third fabric 3, so that three overlap one another.
- second fabric 2, second raw material 5 and third fabric 3 overlapping one another are affixed on a sewing table of a comforter sewing machine. This affixing is accomplished by holding the peripheries of the fabrics with clips provided around the sewing table. For a grip margin of the clips, second fabric 2 and third fabric 3 have been cut out to be slightly larger than the dimensions of a comforter product. For example, if product dimensions are 150 ⁇ 210 cm, fabrics 2 and 3 are cut out into 160 ⁇ 221 cm.
- sewn-through quilting 7 is made on a comforter sewing machine. That is, 6 ⁇ 7 boxes are quilted. This sewn-through quilting 7 is made at a position displaced from the arrangement of baffle tape 8b. Therefore, stitches of sewn-through quilting 7 will sew baffle tape 8b.
- boxes of the sewn-through quilting are not limited to the above-described 6 ⁇ 7 pattern, but can be patterned infinitely.
- the fabrics are removed from the sewing table, and the grip-margin portion on the peripheries of the fabrics is cut away.
- Fig. 6 shows a semi-finished product from which the peripheries have been cut away.
- baffle tape 8b is laid down on the upper surface of second fabric 2, since baffle tape 8b has been sewn by sewn-through quilting 7.
- the stitches of sewn-through quilting 7 reach the peripheries of fabrics 2 and 3.
- baffle tapes 8b and 8b are cut with scissors, a cutter knife, or the like to form incised parts 9.
- Baffles 8b can stand up from the surface of second fabric 2 by way of these incised parts 9.
- incised parts 9 are formed after sewing of sewn-through quilting 7, the spacing between incised parts 9 can be narrowed as much as possible, which ensures airtight independency of quilt boxes.
- Baffle tape 8b is cut to raise baffles after forming sewn-through quilting 7, which means the arrangement and sewing of baffle tape 8b can be carried out freely without being restricted by sewn-through quilting 7. This facilitates the operation of arranging baffles of the baffle-box quilting.
- Fig. 8 shows the state in which second baffles 8b are raised.
- Baffles 8b of baffle-box quilting 6 formed on second fabric 2 are sewn to second fabric 2 by sewn-through quilting 7, and then cut to stand up from second fabric 2.
- first baffle 8a formed on the lower surface of first fabric 1 and second baffle 8b are sewn together.
- first fabric 1, second fabric 2 and third fabric 3 are sewn together.
- the outer peripheries are partly not sewn to form filling openings 10 at which the first raw material is to be blown.
- a nozzle 11 is inserted into above-described filling opening 10, and a given amount of feathers as first raw material 4 is blown to fill the boxes formed between first fabric 1 and second fabric 2. Finally, filling openings 10 are sewn to complete the two-layer-type feather comfort shown in Fig. 1 .
- sewn-through quilting is made on a comforter sewing machine in the above-described embodiment, this is not a limitation, but it may be made on a lock stitch sewing machine. It is also possible to make only longitudinal lines of the sewn-through quilting on a comforter sewing machine and to make horizontal lines of the sewn-through quilting on a lock stitch sewing machine.
- Fig. 12 shows another embodiment of the present invention in which sewn-through quilting 7 formed on third fabric 3 has a curvilinear shape unlike the linear quilting of the above-described embodiment.
- This sewn-through quilting 7 is made in a curvilinear shape or the shape of a broken line extending from the circumference of the comforter to the inner side toward the center but not reaching the center.
- the shape of this sewn-through quilting 7 the shape described in Japanese Patent Laying-Open No. 2003-339501 can be adopted.
- the remaining configuration is the same as that of the above-described embodiment.
- the fit to the body is improved by shaping sewn-through quilting 7 to at least partially include a curve.
- baffles of the baffle-box quilting formed on the second fabric is sewn to the second fabric by sewn-through quilting 7, and then cut to stand up from the second fabric. Therefore, even if sewn-through quilting 7 of any shape is adopted, the operation of arranging baffles will not become difficult. That is, regardless of the shape of sewn-through quilting 7, baffles of the baffle-box quilting can be arranged easily.
- Fig. 13 shows another embodiment of the present invention.
- the horizontal interval of sewn-through quilting 7 formed on third fabric 3 is made wider at the right and left sides and narrower at the center than at the right and left sides.
- the horizontal interval of above-described baffle-box quilting 6 is made wider at the center and narrower at the right and left sides than at the center. More specifically, sewn-through quilting 7 is formed to provide 5 ⁇ 7 boxes, and baffle-box quilting 6 is formed to provide 5 ⁇ 6 boxes.
- the quilting on the lower layer part to be in contact with the human body is arranged to be wider on both the sides and narrower toward the center, and in contrast, the quilting on the upper layer part is arranged to be narrower on both the sides and wider toward the center. Accordingly, as shown in Fig. 14 , the effect of increasing the likelihood that the comforter fits the human's body because the quilting is narrow at the center of the lower layer part while not impairing the warmth retaining property of the part just above the body because the quilting is narrow at the center of the upper layer part where a relatively large amount of filling is filled can be obtained.
- Fig. 15 shows a three-layer-type feather comforter.
- a fourth fabric 12 is disposed on the outside of first fabric 1 of the two-layer-type comforter shown in Fig. 1 .
- Second raw material 5 is interposed between this first fabric 1 and fourth fabric 12.
- First fabric 1 and fourth fabric 12 are joined by sewn-through quilting 7. The remaining configuration is the same as that of the above-described embodiment.
- Fig. 16 shows flowcharts in the case of using a blown filling for the second raw material.
- second fabric 2 and third fabric 3 are aligned to each other.
- vertical lines of sewn-through quilting 7 are made on a comforter sewing machine or a lock stitch sewing machine.
- a single horizontal line of sewn-through quilting 7 is made at the section near the center.
- filling openings 10 are left open at the upper and lower sides.
- the horizontal sides at which filling is not carried out are sewn together.
- the filling is blown from both the upper and lower sides with blowing nozzle 11.
- filling openings 10 are closed after filling. After leveling the filling uniformly, horizontal lines of sewn-through quilting 7 are made.
- first raw material and the second raw material are the same blown filling, specific examples thereof can be different.
- first raw material can be feathers
- second raw material can be a short fibrous raw material, such as polyester.
- first fabric 1 first fabric; 2 second fabric; 3 third fabric; 4 first raw material; 5 second raw material; 6 baffle-box quilting; 7 sewn-through quilting; 8 baffle (baffle tape); 8a first baffle; 8b second baffle; 12 fourth fabric.
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Abstract
Provided is a multilayer-type comforter having at least three fabrics as first to third fabrics. A first raw material (4) is interposed between the first fabric (1) and the second fabric (2). A second raw material (5) is interposed between the second fabric (2) and the third fabric (3). The first fabric (1) and the second fabric (2) are joined by a baffle-box quilting (6). The second fabric (2) and the third fabric (3) are joined by a sewn-through quilting (7). The baffle-box quilting (6) and the sewn-through quilting (7) are different in arrangement. A baffle (8b) of the baffle-box quilting (6) formed on the second fabric (2) is sewn to the second fabric (2) by the sewn-through quilting (7) and then cut to stand up from the second fabric (2).
Description
- The present invention relates to a multilayer-type comforter and a method for manufacturing the same.
- Examples of this type of multilayer-type comforter are described in
Patent Documents 1 to 4. In the case of a two-layer-type feather comforter, for example, these conventional comforters have three fabrics, namely, an outer fabric, an interlining and a backing fabric. Feathers are disposed between the outer fabric and the interlining. A filling material is disposed between the interlining and the backing fabric. The outer fabric and the interlining are joined by baffle-box quilting, and the interlining and the backing fabric are joined by sewn-through quilting. -
- PTD 1: Japanese Patent Laying-Open No.
60-190914 - PTD 2: Japanese Patent Laying-Open No.
7-275100 - PTD 3: Japanese Patent Laying-Open No.
10-155623 - PTD 4: Utility Model Registration No.
3138780 - In the comforters described in
Patent Documents 1 to 4, when it is intended to displace the sewn-through quilting and the baffle-box quilting, baffles should be spaced apart widely or a large slit has to be formed in each baffle in advance so as to prevent the sewn-through quilting from sewing the baffles of the baffle-box quilting to lay them down. - Therefore, the operation of arranging baffles takes time and effort, and airtight independency of quilt boxes is impaired because the baffles are spaced apart substantially widely in advance.
- An object of the present invention is to solve the above-described problems of the conventional technique, and a multilayer-type comforter having at least three fabrics as first to third fabrics, a first raw material being interposed between the first fabric and the second fabric, a second raw material being interposed between the second fabric and the third fabric, the first fabric and the second fabric being joined by a baffle-box quilting with a baffle interposed therebetween, the second fabric and the third fabric being joined by a sewn-through quilting, the baffle-box quilting and the sewn-through quilting being different in arrangement is characterized in that the baffle formed on the second fabric is sewn to the second fabric by the sewn-through quilting and then cut to stand up from the second fabric.
- Preferably, the first raw material is a blown filling, and the second raw material is a sheet-like filling material.
- Preferably, the first fabric and the third fabric are different in air permeability.
- Preferably, stitches of the sewn-through quilting reach the periphery of the third fabric by quilting on a comforter sewing machine.
- Preferably, at least part of the sewn-through quilting can be made curvilinear.
- Preferably, the horizontal interval of the sewn-through quilting is made wider at the right and left sides and narrower at the center, and the horizontal interval of the baffle-box quilting is made wider at the center and narrower at the right and left sides.
- Preferably, the blown filling is a short fibrous raw material, such as feathers, granulated wool, or polyester.
- Preferably, the sheet-like filling material is one of a sheet-like cotton material obtained by bringing short fiber cotton into the state where cotton fibers are entangled together by carding, needle punch or the like and a filling material obtained by shaping long fibers, such as floss silk fibers or polyester long fibers, into the form of a sheet.
- A fourth fabric is disposed on the outside of the first fabric, the second raw material is interposed between the first fabric and the fourth fabric, and the first fabric and the fourth fabric can be joined by the sewn-through quilting.
- The first raw material and the second raw material can be a blown filling.
- A method for manufacturing a multilayer-type comforter of the present invention having at least three fabrics as first to third fabrics, a first raw material being interposed between the first fabric and the second fabric, a second raw material being interposed between the second fabric, and the third fabric, the first fabric and the second fabric being joined by a baffle-box quilting with a baffle interposed therebetween, the second fabric and the third fabric being joined by a sewn-through quilting, the baffle-box quilting and the sewn-through quilting being different in arrangement is characterized in that the baffle formed on the second fabric is sewn to the second fabric by the sewn-through quilting and then cut to stand up from the second fabric.
- The sewn-through quilting can be sewn on a comforter sewing machine.
- According to the present invention, the operation of arranging baffles of a baffle-box quilting is facilitated, and airtight independency of quilt boxes is not impaired.
-
-
Fig. 1 is a perspective view of a two-layer-type comforter showing an embodiment of the present invention. -
Fig. 2 is a transverse cross sectional view of the comforter shown inFig. 1 . -
Fig. 3 is a longitudinal sectional view of the comforter shown inFig. 1 . -
Fig. 4 is a perspective view of the step of attaching a baffle tape to a second fabric. -
Fig. 5 is a perspective view showing the step of overlapping the second fabric, a second raw material and a third fabric. -
Fig. 6 is a perspective view of a semi-finished product obtained by subjecting the article in which the second fabric, the second raw material and the third fabric overlap one another to sewn-through quilting on a comforter sewing machine and cutting the periphery. -
Fig. 7 shows a perspective view of the step of cutting a baffle tape and an enlarged view of its principal part. -
Fig. 8 is a perspective view showing the state in which baffles are raised. -
Fig. 9 is an exploded perspective view showing the step of joining a first baffle and a second baffle. -
Fig. 10 is a perspective view of a principal part showing formation of filling openings for blowing. -
Fig. 11 is a perspective view showing the step of filling a first raw material into boxes between a first fabric and the second fabric. -
Fig. 12 is a plan view of a third fabric having a curvilinear sewn-through quilting showing another embodiment of the present invention. -
Fig. 13 is a sectional view of the two-layer-type comforter showing another embodiment of the present invention. -
Fig. 14 shows a wearing state of the comforter shown inFig. 13 . -
Fig. 15 is a sectional view of a three-layer-type comforter showing another embodiment of the present invention. -
Fig. 16 is a flowchart showing another embodiment of the present invention. - Embodiments of the present invention will be described hereinafter with reference to the drawings. It is noted that the drawings are schematic.
-
Fig. 1 shows a two-layer-type comforter shown as an example of a multilayer-type comforter.Figs. 2 and 3 show cross sections of the two-layer-type comforter. - The two-layer-type comforter has three fabrics, namely, first to
third fabrics First fabric 1 is an outer fabric,second fabric 2 is an interlining, andthird fabric 3 is used as a backing fabric. Therefore,third fabric 3 is generally in contact with a human body. However,first fabric 1 can also be used in a manner contacting a human body depending on the season. A firstraw material 4 is disposed betweenfirst fabric 1 andsecond fabric 2. A secondraw material 5 is disposed betweensecond fabric 2 andthird fabric 3.First fabric 1 andsecond fabric 2 are joined by a baffle-box quilting 6.Second fabric 2 andthird fabric 3 are joined by a sewn-throughquilting 7. Baffle-box quilting 6 and sewn-throughquilting 7 are different in arrangement. - The above-mentioned "sewn-through
quilting 7" directly sews fabrics. The above-mentioned "baffle-box quilting 6" joins fabrics with abaffle 8 interposed therebetween, and can leave a wide space betweenfirst fabric 1 andsecond fabric 2. Afirst baffle 8a sewn or adhered to the rear surface offirst fabric 1 and asecond baffle 8b sewn or adhered to the upper surface ofsecond fabric 2 are sewn or adhered to each other to joinfirst fabric 1 andsecond fabric 2.Second baffle 8b of the baffle-box quilting formed onsecond fabric 2 is sewn tosecond fabric 2 by sewn-throughquilting 7 and then cut to stand up fromsecond fabric 2. - It is noted that a well-known technique described in Japanese Patent Laying-Open No.
7-136052 - First
raw material 4 is a blown filling. Secondraw material 5 is a sheet-like filling material. However, secondraw material 5 can also be a blown filling similar to the first raw material. - The blown filling is a short fibrous raw material, such as feathers, granulated wool, or polyester. More specifically, the sheet-like filling material is a sheet-like cotton material obtained by bringing short fiber cotton into the state where cotton fibers are entangled together by carding, needle punch or the like, or a filling material obtained by shaping long fibers, such as floss silk fibers or polyester long fibers, into the form of a sheet.
- In this embodiment, first
raw material 4 shall be feathers. For example, it is composed of 85% down and 15% feathers. Secondraw material 5 is absorbent, heat-releasable cotton composed of 50% polyester and 50% cellulosic fiber, for example, and is formed in the form of carded filling. -
First fabric 1 andthird fabric 3 shall be different in air permeability. For example,first fabric 1 has an air permeability of 1.5 cm3/cm2·s, andthird fabric 3 has an air permeability of 3.5 cm3/cm2·s. - Thus setting the air permeability of
first fabric 1 at 1.5 cm3/cm2·s plays a role to prevent the feathers as firstraw material 4 from being blown off and to prevent heat from escaping from the upper part of the comforter. By setting the air permeability ofthird fabric 3 at 3.5 cm3/cm2·s, insensible perspiration from a human body is likely to pass throughthird fabric 3, which improves secondraw material 5 in absorbency and heat release capability. Thus, the effect of reducing humidity in a bed can be obtained. - It is noted that the above-described air permeabilities are merely examples, and fabrics of the same air permeability can be used for
first fabric 1 andthird fabric 3. Whenfirst fabric 1 andthird fabric 3 should be different in air permeability, it is preferable to setfirst fabric 1 at 0.5 to 3.0 cm3/cm2·s,third fabric 3 at 2.0 to 5.0 cm3/cm2·s, and the difference in air permeability betweenfirst fabric 1 andthird fabric 3 at more than or equal to 1.0 cm3/cm2·s. -
Figs. 4 to 11 are drawings showing manufacturing steps of the above-described two-layer-type comforter. - As shown in
Fig. 4 , baffletape 8b is attached to the upper surface of the interlining which issecond fabric 2.Baffle tape 8b is sewn lengthwise and crosswise such that 5×6 boxes are formed, for example. Thisbaffle tape 8b constitutes above-describedsecond baffle 8b. Similarly, baffletape 8a is also sewn on the rear surface side offirst fabric 1 such that 5×6 boxes are formed (seeFig. 9 ). - It is noted that boxes are not limited to 5 × 6, but can be patterned infinitely as, for example, 3 × 5.
- As shown in
Fig. 5 , absorbent, heat releasable carded filling as secondraw material 5 is disposed betweensecond fabric 2 andthird fabric 3, so that three overlap one another. - Although not shown,
second fabric 2, secondraw material 5 andthird fabric 3 overlapping one another are affixed on a sewing table of a comforter sewing machine. This affixing is accomplished by holding the peripheries of the fabrics with clips provided around the sewing table. For a grip margin of the clips,second fabric 2 andthird fabric 3 have been cut out to be slightly larger than the dimensions of a comforter product. For example, if product dimensions are 150 × 210 cm,fabrics - Next, sewn-through
quilting 7 is made on a comforter sewing machine. That is, 6 × 7 boxes are quilted. This sewn-throughquilting 7 is made at a position displaced from the arrangement ofbaffle tape 8b. Therefore, stitches of sewn-throughquilting 7 will sewbaffle tape 8b. - It is noted that boxes of the sewn-through quilting are not limited to the above-described 6 × 7 pattern, but can be patterned infinitely.
- Then, the fabrics are removed from the sewing table, and the grip-margin portion on the peripheries of the fabrics is cut away.
-
Fig. 6 shows a semi-finished product from which the peripheries have been cut away. In this state, baffletape 8b is laid down on the upper surface ofsecond fabric 2, sincebaffle tape 8b has been sewn by sewn-throughquilting 7. Moreover, since the grip margin has been cut away, the stitches of sewn-throughquilting 7 reach the peripheries offabrics - As shown in
Fig. 7 , overlapping portions ofbaffle tapes quilting 7 are cut with scissors, a cutter knife, or the like to form incisedparts 9.Baffles 8b can stand up from the surface ofsecond fabric 2 by way of these incisedparts 9. - Since incised
parts 9 are formed after sewing of sewn-throughquilting 7, the spacing between incisedparts 9 can be narrowed as much as possible, which ensures airtight independency of quilt boxes.Baffle tape 8b is cut to raise baffles after forming sewn-throughquilting 7, which means the arrangement and sewing ofbaffle tape 8b can be carried out freely without being restricted by sewn-throughquilting 7. This facilitates the operation of arranging baffles of the baffle-box quilting. -
Fig. 8 shows the state in which second baffles 8b are raised.Baffles 8b of baffle-box quilting 6 formed onsecond fabric 2 are sewn tosecond fabric 2 by sewn-throughquilting 7, and then cut to stand up fromsecond fabric 2. - As shown in
Fig. 9 ,first baffle 8a formed on the lower surface offirst fabric 1 andsecond baffle 8b are sewn together. - As shown in
Fig. 10 , the outer peripheries offirst fabric 1,second fabric 2 andthird fabric 3 are sewn together. On this occasion, the outer peripheries are partly not sewn to form fillingopenings 10 at which the first raw material is to be blown. - As shown in
Fig. 11 , anozzle 11 is inserted into above-describedfilling opening 10, and a given amount of feathers as firstraw material 4 is blown to fill the boxes formed betweenfirst fabric 1 andsecond fabric 2. Finally, fillingopenings 10 are sewn to complete the two-layer-type feather comfort shown inFig. 1 . - It is noted that although the sewn-through quilting is made on a comforter sewing machine in the above-described embodiment, this is not a limitation, but it may be made on a lock stitch sewing machine. It is also possible to make only longitudinal lines of the sewn-through quilting on a comforter sewing machine and to make horizontal lines of the sewn-through quilting on a lock stitch sewing machine.
-
Fig. 12 shows another embodiment of the present invention in which sewn-throughquilting 7 formed onthird fabric 3 has a curvilinear shape unlike the linear quilting of the above-described embodiment. This sewn-throughquilting 7 is made in a curvilinear shape or the shape of a broken line extending from the circumference of the comforter to the inner side toward the center but not reaching the center. As the shape of this sewn-throughquilting 7, the shape described in Japanese Patent Laying-Open No.2003-339501 - The fit to the body is improved by shaping sewn-through
quilting 7 to at least partially include a curve. - Also in this embodiment, baffles of the baffle-box quilting formed on the second fabric is sewn to the second fabric by sewn-through
quilting 7, and then cut to stand up from the second fabric. Therefore, even if sewn-throughquilting 7 of any shape is adopted, the operation of arranging baffles will not become difficult. That is, regardless of the shape of sewn-throughquilting 7, baffles of the baffle-box quilting can be arranged easily. -
Fig. 13 shows another embodiment of the present invention. The horizontal interval of sewn-throughquilting 7 formed onthird fabric 3 is made wider at the right and left sides and narrower at the center than at the right and left sides. The horizontal interval of above-described baffle-box quilting 6 is made wider at the center and narrower at the right and left sides than at the center. More specifically, sewn-throughquilting 7 is formed to provide 5 × 7 boxes, and baffle-box quilting 6 is formed to provide 5 × 6 boxes. - In this manner, the quilting on the lower layer part to be in contact with the human body is arranged to be wider on both the sides and narrower toward the center, and in contrast, the quilting on the upper layer part is arranged to be narrower on both the sides and wider toward the center. Accordingly, as shown in
Fig. 14 , the effect of increasing the likelihood that the comforter fits the human's body because the quilting is narrow at the center of the lower layer part while not impairing the warmth retaining property of the part just above the body because the quilting is narrow at the center of the upper layer part where a relatively large amount of filling is filled can be obtained. -
Fig. 15 shows a three-layer-type feather comforter. Afourth fabric 12 is disposed on the outside offirst fabric 1 of the two-layer-type comforter shown inFig. 1 . Secondraw material 5 is interposed between thisfirst fabric 1 andfourth fabric 12.First fabric 1 andfourth fabric 12 are joined by sewn-throughquilting 7. The remaining configuration is the same as that of the above-described embodiment. -
Fig. 16 shows flowcharts in the case of using a blown filling for the second raw material. - As shown in
Fig. 16 at(a) ,second fabric 2 andthird fabric 3 are aligned to each other. As shown inFig. 16 at(b) , vertical lines of sewn-throughquilting 7 are made on a comforter sewing machine or a lock stitch sewing machine. A single horizontal line of sewn-throughquilting 7 is made at the section near the center. In order to blow a filling from the upper and lower sides toward the center, respectively, fillingopenings 10 are left open at the upper and lower sides. The horizontal sides at which filling is not carried out are sewn together. The filling is blown from both the upper and lower sides with blowingnozzle 11. As shown inFig. 16 at(c) , fillingopenings 10 are closed after filling. After leveling the filling uniformly, horizontal lines of sewn-throughquilting 7 are made. - Thereafter, steps similar to those shown in and after
Fig. 7 are performed. - In this embodiment, although the first raw material and the second raw material are the same blown filling, specific examples thereof can be different. For example, the first raw material can be feathers, and the second raw material can be a short fibrous raw material, such as polyester.
- It should be understood that the embodiments disclosed herein are illustrative and non-restrictive in every respect. The scope of the present invention is defined by the claims not by the description of the embodiments above, and is intended to include any modification within the meaning and scope equivalent to the claims.
- 1 first fabric; 2 second fabric; 3 third fabric; 4 first raw material; 5 second raw material; 6 baffle-box quilting; 7 sewn-through quilting; 8 baffle (baffle tape); 8a first baffle; 8b second baffle; 12 fourth fabric.
Claims (12)
- A multilayer-type comforter having at least three fabrics as first to third fabrics, a first raw material (4) being interposed between said first fabric (1) and said second fabric (2), a second raw material (5) being interposed between said second fabric (2) and said third fabric (3), said first fabric (1) and said second fabric (2) being joined by a baffle-box quilting with a baffle (8) interposed therebetween, said second fabric (2) and the third fabric (3) being joined by a sewn-through quilting (7), said baffle-box quilting (6) and said sewn-through quilting (7) being different in arrangement, characterized in that
said baffle (8b) formed on said second fabric (2) is sewn to said second fabric (2) by said sewn-through quilting (7) and then cut to stand up from said second fabric (2). - The multilayer-type comforter according to claim 1, characterized in that said first raw material (4) is a blown filling, and said second raw material (5) is a sheet-like filling material.
- The multilayer-type comforter according to claim 1, characterized in that said first fabric (1) and said third fabric (3) are different in air permeability.
- The multilayer-type comforter according to claim 1, characterized in that stitches of said sewn-through quilting (7) reach the periphery of said third fabric (3) by quilting on a comforter sewing machine.
- The multilayer-type comforter according to claim 1, characterized in that at least part of said sewn-through quilting (7) is made curvilinear.
- The multilayer-type comforter according to claim 1, characterized in that the horizontal interval of said sewn-through quilting (7) is made wider at the right and left sides and narrower at the center, and the horizontal interval of said baffle-box quilting (6) is made wider at the center and narrower at the right and left sides.
- The multilayer-type comforter according to claim 2, characterized in that said blown filling is a short fibrous raw material, such as feathers, granulated wool, or polyester.
- The multilayer-type comforter according to claim 2, characterized in that said sheet-like filling material is one of a sheet-like cotton material obtained by bringing short fiber cotton into the state where cotton fibers are entangled together by carding, needle punch or the like and a filling material obtained by shaping long fibers, such as floss silk fibers or polyester long fibers, into the form of a sheet.
- The multilayer-type comforter according to claim 1, characterized in that a fourth fabric (12) is disposed on the outside of said first fabric (1), said second raw material (5) is interposed between the first fabric (1) and the fourth fabric (12), and the first fabric (1) and the fourth fabric (12) are joined by the sewn-through quilting (7).
- The multilayer-type comforter according to claim 1, characterized in that said first raw material (4) and said second raw material (5) are a blown filling.
- A method for manufacturing a multilayer-type comforter having at least three fabrics as first to third fabrics, a first raw material (4) being interposed between said first fabric (1) and said second fabric (2), a second raw material (5) being interposed between said second fabric (2), and said third fabric (3), said first fabric (1) and said second fabric (2) being joined by a baffle-box quilting (6) with a baffle (8) interposed therebetween, said second fabric (2) and the third fabric (3) being joined by a sewn-through quilting (7), said baffle-box quilting (6) and said sewn-through quilting (7) being different in arrangement, characterized in that
said baffle (8b) formed on said second fabric (2) is sewn to said second fabric (2) by said sewn-through quilting (7) and then cut to stand up from said second fabric (2). - The method for manufacturing a multilayer-type comforter according to claim 11, characterized in that said sewn-through quilting (7) is sewn on a comforter sewing machine.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011080350 | 2011-03-31 | ||
PCT/JP2012/058325 WO2012133626A1 (en) | 2011-03-31 | 2012-03-29 | Multi-layer-type bed covering and manufacturing method for same |
Publications (2)
Publication Number | Publication Date |
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EP2692266A1 true EP2692266A1 (en) | 2014-02-05 |
EP2692266A4 EP2692266A4 (en) | 2014-11-26 |
Family
ID=46931328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12762994.7A Withdrawn EP2692266A4 (en) | 2011-03-31 | 2012-03-29 | Multi-layer-type bed covering and manufacturing method for same |
Country Status (6)
Country | Link |
---|---|
US (1) | US20150135435A1 (en) |
EP (1) | EP2692266A4 (en) |
JP (1) | JP5775020B2 (en) |
KR (1) | KR20140021612A (en) |
CN (1) | CN103458741A (en) |
WO (1) | WO2012133626A1 (en) |
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IT201800009751A1 (en) * | 2018-10-24 | 2020-04-24 | Trust Monti Fonti | Method of packaging upholstered clothing or household linen |
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WO2016018866A1 (en) * | 2014-07-29 | 2016-02-04 | Patagonia, Inc. | Methods for stabilizing and garments including stabilized quilted insulation |
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IT201800009751A1 (en) * | 2018-10-24 | 2020-04-24 | Trust Monti Fonti | Method of packaging upholstered clothing or household linen |
Also Published As
Publication number | Publication date |
---|---|
US20150135435A1 (en) | 2015-05-21 |
JP5775020B2 (en) | 2015-09-09 |
WO2012133626A1 (en) | 2012-10-04 |
KR20140021612A (en) | 2014-02-20 |
EP2692266A4 (en) | 2014-11-26 |
JP2012213622A (en) | 2012-11-08 |
CN103458741A (en) | 2013-12-18 |
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