JP2002322793A - Tatami mat, tatami bed, and hemp fiber core material for tatami bed, and their manufacturing method - Google Patents
Tatami mat, tatami bed, and hemp fiber core material for tatami bed, and their manufacturing methodInfo
- Publication number
- JP2002322793A JP2002322793A JP2001165834A JP2001165834A JP2002322793A JP 2002322793 A JP2002322793 A JP 2002322793A JP 2001165834 A JP2001165834 A JP 2001165834A JP 2001165834 A JP2001165834 A JP 2001165834A JP 2002322793 A JP2002322793 A JP 2002322793A
- Authority
- JP
- Japan
- Prior art keywords
- tatami
- nonwoven fabric
- core material
- hemp fiber
- 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.)
- Pending
Links
Landscapes
- Floor Finish (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、畳，畳床あるいは
畳床用芯材に多く用いられている合成樹脂であるポリス
チレンフォームに替えて環境に優しい天然繊維である麻
繊維不織布等を主材とする畳、畳床、畳床用芯材、及び
その製造法法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a hemp fiber nonwoven fabric which is an environmentally friendly natural fiber in place of polystyrene foam which is a synthetic resin widely used for tatami mats, tatami floors or core materials for tatami floors. Tatami floors, tatami floors, core materials for tatami floors, and a method for producing the same.
【０００２】[0002]
【従来の技術】畳は日本古来の床材として親しまれてき
ているが、従来の稲藁を主体とする畳は、稲藁生産の減
少やダニなどの虫害により減少し、化学建材畳にその大
半が移行している。2. Description of the Related Art Tatami has been popular as a flooring material since ancient times in Japan, but tatami mats mainly made of rice straw have been reduced due to a decrease in rice straw production and insect damage such as mites. Most have migrated.
【０００３】化学建材畳は、その大半がインシュレーシ
ョンボード（タタミボード）とポリスチレンフォーム
（ＰＳ）板により構成されており、厚みは５５〜６０ミ
リとなっている。[0003] Most of the chemical building material tatami mats are composed of an insulation board (tatami board) and a polystyrene foam (PS) plate, and have a thickness of 55 to 60 mm.
【０００４】しかしながら、近年廃畳の処理について、
ＰＳ部分が自己分解性が無いため、最終埋立処分での減
容化のネックとなっている。[0004] In recent years, however, regarding the treatment of abandoned tatami mats,
Since the PS part has no self-decomposability, it is a bottleneck in volume reduction in final landfill disposal.
【０００５】[0005]
【発明が解決しようとする課題】本発明では、畳に使用
されているポリスチレンフォーム板に替えて、リサイク
ル性と自己分解性をもち、さらに、安価で虫害の無い麻
繊維屑を使用した麻繊維不織布等を活用することを課題
とする。According to the present invention, a hemp fiber using a hemp fiber waste which has recyclability and self-degradability, is inexpensive and has no insect damage, is used in place of the polystyrene foam plate used for the tatami mat. It is an object to utilize a nonwoven fabric or the like.
【０００６】本発明は、以上の点に鑑みなされたもの
で、最も安価なニードルパンチング法により製造された
麻繊維不織布等を高密度化し、かつ環境に優しい天然素
材などと複合化することによって、ＰＳ板に替わる良質
の畳、畳床及び畳床用芯材の供給を課題とする。The present invention has been made in view of the above points, and is intended to increase the density of a hemp fiber nonwoven fabric or the like manufactured by the cheapest needle punching method and to compound it with an environmentally friendly natural material. It is an object to supply high-quality tatami mats, tatami floors, and core materials for tatami floors in place of PS boards.
【０００７】[0007]
【課題を解決するための手段】上記の課題を解決するた
め本発明においては、ニードルパンチング法により、製
造された再生麻繊維不織布等と合板、インシュレーショ
ンボード、板紙、ダンボール紙あるいはパルプボード紙
などとを真空熱圧着によって多積層して、畳床用芯材を
製造し、その応用を行うこととした。In order to solve the above-mentioned problems, in the present invention, a recycled hemp fiber non-woven fabric or the like manufactured by a needle punching method and a plywood, an insulation board, a paperboard, a cardboard paper or a pulp board paper are used. Were laminated by vacuum thermocompression bonding to produce a core material for a tatami floor, and the application was carried out.
【０００８】[0008]
【発明の実施形態】図１は、本発明の実施形態の一例を
示し、ここでは麻繊維不織布等を用いた複合畳床用芯材
を製造する例について説明する。FIG. 1 shows an example of an embodiment of the present invention. Here, an example of manufacturing a core material for a composite tatami floor using a hemp fiber nonwoven fabric will be described.
【０００９】反毛工程により麻袋などからを得られる再
生麻繊維を公知の手法であるニードルパンチング法によ
り、厚み１０ミリ、目付１ｋｇ／ｍ２の麻繊維不織布等
に形成する。A regenerated hemp fiber obtained from a hemp bag or the like by the anti-hair process is formed into a hemp fiber non-woven fabric or the like having a thickness of 10 mm and a basis weight of 1 kg / m 2 by a needle punching method which is a known technique.
【００１０】原料となる麻繊維は、穀類の備蓄用袋など
に用いられるように、虫害に強い天然繊維である。[0010] Hemp fiber as a raw material is a natural fiber which is resistant to insect damage, such as used in bags for storing cereals.
【００１１】通常、ニードルパンチング法による麻繊維
不織布等の目付量は１ミリ厚みに対し、０．１ｋｇ〜
０．２５ｋｇが限界とされているが、後述の真空熱圧着
により、０．２〜０．５ｋｇ／ｍ２程度の高目付不織布
をつくることができる。Usually, the basis weight of a hemp fiber nonwoven fabric or the like by the needle punching method is 0.1 kg to 1 mm thickness.
Although the limit is 0.25 kg, a nonwoven fabric with a high basis weight of about 0.2 to 0.5 kg / m 2 can be produced by vacuum thermocompression bonding described later.
【００１２】真空熱圧着による高密度化不織布をつくる
際に、天然系のバインダーである松脂（ロジン）や無溶
剤系熱可塑性樹脂あるいは低融点オレフィン系樹脂材料
などをあらかじめニードルパンチングを行う前に素材で
ある麻繊維にスプレーその他の方法で混入しておけば、
更に高密度の不織布が得られる。[0012] When producing a high-density nonwoven fabric by vacuum thermocompression bonding, rosin (rosin), a non-solvent thermoplastic resin, or a low-melting olefin resin material, which is a natural binder, is used as a raw material before needle punching. If it is mixed with hemp fiber by spraying or other methods,
Further, a high-density nonwoven fabric can be obtained.
【００１３】本発明では、適度な弾力性をもった高密度
麻繊維不織布等を主材として各種の補強材と組み合わせ
ることによって麻繊維畳床用芯材を製造することができ
る。In the present invention, a core material for hemp fiber tatami floors can be manufactured by combining a high-density hemp fiber nonwoven fabric or the like having an appropriate elasticity with various reinforcing materials.
【００１４】それぞれが、９１０×１８２０ミリに裁断
された、麻繊維不織布等（厚み１０ミリ、目付１ｋｇ／
ｍ２）２枚、２．５ミリの合板、０．９ミリ厚みのパル
プボード紙２枚、目付量３０ｇｒ／ｍ２のガラス不織布
４枚（あらかじめ無溶剤系熱可塑性接着剤を塗布または
含浸されている）を用いて、図１のとおり配置積層した
後真空熱圧着装置を用いて圧縮成形を行う。Hemp fiber non-woven fabric or the like (each having a thickness of 10 mm and a basis weight of 1 kg /
m 2 ) 2 sheets, 2.5 mm plywood, 2 sheets of 0.9 mm thick pulp board paper, 4 sheets of glass nonwoven fabric with a basis weight of 30 gr / m 2 (before applying or impregnating a solventless thermoplastic adhesive) ), And then compression-molded using a vacuum thermocompression bonding apparatus.
【００１５】真空熱圧着装置は、図２のような、まわり
に通気溝を備えたベースプレート内に温度制御可能な面
状の熱板を設け、その上から吸気漏れ防止用カバー（例
えばテフロン（登録商標）シートや耐熱性シリコンシー
ト）にて覆い、真空圧の調節可能な真空ポンプを駆動さ
せて脱気を行い、積層用素材を熱板に密着させる。ま
た、カバー上部に遠赤外線あるいはシーズヒーター等を
利用した加熱部を設けることによって、上下からの加熱
により熱圧着の時間短縮を図るとともに、均熱化も図れ
る構造である。In the vacuum thermocompression bonding apparatus, as shown in FIG. 2, a temperature-controllable planar hot plate is provided in a base plate having a ventilation groove around the cover, and a cover for preventing intake air leakage (for example, Teflon (registered trademark)) is placed on the hot plate. (Trademark) sheet or heat-resistant silicon sheet), and deaeration is performed by driving a vacuum pump capable of adjusting the vacuum pressure, and the laminating material is brought into close contact with the hot plate. In addition, by providing a heating unit using a far-infrared ray or a sheath heater at the top of the cover, the time required for thermocompression bonding can be reduced by heating from above and below, and the temperature can be uniformed.
【００１６】図１に示された予備的に積層された複合材
の厚みは約２５ミリであり、上記真空熱圧着装置の熱板
上に載置され、上部より耐熱性テフロンシートあるいは
耐熱性シリコンシートにてカバーされ、真空ポンプによ
り脱気され、熱板上に固定される。The pre-laminated composite material shown in FIG. 1 has a thickness of about 25 mm, is placed on a hot plate of the vacuum thermocompression bonding apparatus, and is heat-resistant Teflon sheet or heat-resistant silicon from above. It is covered with a sheet, degassed by a vacuum pump, and fixed on a hot plate.
【００１７】上下のヒーターにより加熱温度１２０〜１
３０℃に約２分間保持され、熱圧着される。Heating temperature of 120 to 1 by upper and lower heaters
It is kept at 30 ° C. for about 2 minutes and thermocompression-bonded.
【００１８】４枚の糊付ガラス不織布により、各層間が
接着され、圧縮された結果麻繊維シートを主材とした約
１２ミリの複合ボードが得られる。この場合糊付ガラス
不織布は、少なくとも２枚以上であれば，充分寸法安定
素材としての役割を果たすことができるが、各層間に載
置すれば、一層強固な寸法安定が得られる。The four layers of glass nonwoven fabric are bonded to each other between the layers and are compressed. As a result, a composite board of about 12 mm mainly composed of hemp fiber sheets is obtained. In this case, the glued glass nonwoven fabric can play a sufficient role as a dimensionally stable material if there are at least two or more sheets. However, if the nonwoven fabric is placed between the layers, stronger dimension stability can be obtained.
【００１９】また、前述したように、麻繊維不織布等に
あらかじめ、松脂や無溶剤系熱可塑性樹脂あるいは低融
点オレフィン系繊維を適量混入しておけば、ガラス不織
布への接着剤の塗布または含浸工程は省略できる。As described above, if a suitable amount of rosin, a solventless thermoplastic resin or a low-melting olefin fiber is mixed in advance into a hemp fiber nonwoven fabric or the like, the process of applying or impregnating the adhesive to the glass nonwoven fabric is performed. Can be omitted.
【００２０】次に公知のコールドプレス装置を用いて冷
却を行うとともに、１０〜１２ｋｇ／ｃｍ２の圧力で再
プレスを行い一層の均一化を図る。Next, cooling is performed using a known cold press device, and re-pressing is performed at a pressure of 10 to 12 kg / cm 2 to achieve further uniformity.
【００２１】こうして得られた麻繊維ボードは、約３０
ｇｒ／ｃｍ３でありインシュレーションボードより軽
く、しかもガラス繊維と各層の補強材により曲げ強さも
１２ミリ厚み品で３０ｋｇｆ／ｃｍ２以上であり、イン
シュレーションボードと同等以上となる。The hemp fiber board thus obtained is about 30
gr / cm 3, which is lighter than the insulation board, and the bending strength is 30 kgf / cm 2 or more for a 12 mm thick product due to the glass fiber and the reinforcing material of each layer, which is equal to or more than that of the insulation board.
【００２２】真空熱圧着されたこの当該複合ボードは、
熱と真空排気により各構成材に含まれる人体に有害な細
菌や有機性成分などを滅失させることができる。This composite board which has been subjected to vacuum thermocompression bonding is
Heat and evacuation can eliminate bacteria and organic components harmful to the human body contained in each component.
【００２３】さらに、ガラス不織布あるいは麻繊維不織
布等に抗菌・防カビ効果のあるアルミ亜鉛合金のような
金属粉の溶射を施しておけば、抗菌・防カビに効果的で
ある。Furthermore, if a glass nonwoven fabric or a hemp fiber nonwoven fabric is sprayed with a metal powder such as an aluminum zinc alloy having an antibacterial and antifungal effect, it is effective for antibacterial and antifungal.
【００２４】図３は、前述のようにして選られた麻繊維
畳芯材を畳床として公知の手法により仕上たものであ
り、保護材不織布厚み２ミリ、クッション材１．０ミ
リ、裏面材０．３ミリで総厚み約１５ミリとなってお
り、縦糸に麻糸または綿糸により所定の縫い目間隔によ
り縫合されており、これ自身で薄畳用畳床に応用可能で
ある。FIG. 3 shows a hemp fiber tatami core material selected as described above, which is finished as a tatami floor by a known method. The protective material nonwoven fabric has a thickness of 2 mm, a cushion material of 1.0 mm, and a back material. It has a total thickness of about 15 mm at 0.3 mm, and is sewn to the warp with hemp or cotton yarn at a predetermined stitch interval, and can be applied to a tatami floor for thin tatami mats by itself.
【００２５】こうして製造された麻繊維不織布等を主材
とした畳床は、たわみ量８ミリ以下の優れた品質を保持
することが出来る。The tatami floor made mainly of the hemp fiber nonwoven fabric or the like thus produced can maintain excellent quality with a deflection of 8 mm or less.
【００２６】図４は、薄畳用麻繊維畳床に約３ミリの天
然イグサまたはポリオレフィンなどを素材とした樹脂製
畳表と畳縁地を縫いつけて完成畳とする。本発明による
薄畳は反りや寸法伸縮が少なくバリアフリー用の畳とし
て利用できる。FIG. 4 shows a finished tatami mat by sewing a tatami mat and a resin tatami mat made of natural rush or polyolefin of about 3 mm on a hemp fiber tatami mat for thin tatami mat. The thin tatami mat according to the present invention has little warpage or dimensional expansion and contraction, and can be used as a barrier-free tatami mat.
【００２７】本発明による他の例では、１２ミリの厚み
の麻畳芯材２枚の上下又は交互にインシュレーションボ
ード（タタミボードＴ−１Ｂ）１５ミリ厚み品を配し、
公知の手法で各種部品とともに縫合して厚畳用畳床をつ
くることが可能であり、当該厚畳用麻繊維畳床に約３ミ
リの畳表と畳縁地を縫いつけ、厚手の完成畳も製造でき
る。（図示せず）In another example according to the present invention, two 12 mm thick hemp mat cores are vertically and / or alternately provided with 15 mm thick insulation boards (Tatami board T-1B),
It is possible to create a tatami mat floor for thick tatami mats by sewing together with various parts using a known method. it can. (Not shown)
【００２８】本発明による麻繊維を主材とした畳床用芯
材を利用した畳は、ポリスチレンフォーム板を代替した
だけでなく、廃畳となった時、各層間を平面方向にスラ
イスして簡単に分離することができ、それぞれの素材の
マテリアルリサイクルに寄与することができる。The tatami mat according to the present invention, which uses a core material for tatami mats mainly composed of hemp fibers, not only substitutes a polystyrene foam board, but also slices each layer in a plane direction when it is abandoned. They can be easily separated and contribute to material recycling of each material.
【００２９】また、本発明による製造方法は、麻繊維に
限らず、綿や合成繊維材などの各種繊維屑を再生して繊
維系畳芯材にすることもできるし、それらの混合繊維材
を使用して畳芯材とすることも可能である。Further, the production method according to the present invention is not limited to hemp fiber, but various fiber wastes such as cotton and synthetic fiber material can be recycled to produce a fiber-based tatami core material. It is also possible to use it as a tatami mat core material.
【００３０】更に本発明による高密度不織布ボードは、
断熱用部材として使用されているポリスチレンフォーム
品やその他の発泡プラスチックスに代替することも可能
である。The high-density nonwoven board according to the present invention further comprises
Polystyrene foam products and other foamed plastics used as heat insulating members can be substituted.
【００３１】本発明による高密度不織布ボードの不織布
部分に難燃剤を混入して、難燃性を付与した上で，吸音
材であるケイカル板などを中間に配置して内装用パネル
素材として用いることも可能である。A flame retardant is mixed into the non-woven fabric portion of the high-density non-woven fabric board according to the present invention to provide flame retardancy, and a sound absorbing material, such as a scallop plate, is disposed in the middle to be used as an interior panel material. Is also possible.
【００３２】[0032]
【発明の効果】以上説明したように、本発明は、リサイ
クル材である麻繊維屑を各種補強材とともに真空熱圧着
して多層化し高品質の畳床を提供するとともにＰＳ板を
含まない環境に優しくリサイクル性の良い畳、畳床、畳
床用芯材を提供することができる。As described above, the present invention provides a high-quality tatami floor which is made by layering hemp fiber waste, which is a recycled material, by vacuum thermocompression bonding with various reinforcing materials while providing a high quality tatami floor. It is possible to provide a tatami mat, a tatami floor, and a core material for a tatami floor that are gentle and recyclable.
【図１】本発明の一例を示す工程図である。FIG. 1 is a process chart showing an example of the present invention.
【図２】本発明に用いられる真空圧着装置の一例を示し
た斜視図である。FIG. 2 is a perspective view showing an example of a vacuum compression bonding apparatus used in the present invention.
【図３】本発明の麻繊維畳床の一例を示す斜視図であ
る。FIG. 3 is a perspective view showing an example of a hemp fiber tatami floor of the present invention.
【図４】本発明の麻繊維畳床を利用した薄畳の一例を示
す斜視図である。FIG. 4 is a perspective view showing an example of a thin tatami mat using the hemp fiber tatami floor of the present invention.
１．ガラス不織布 ２．パルプボード紙 ３．１９−ａ．麻繊維不織布 ４．１９−ｂ．合板 ５．真空圧着装置 ６．１５．ヒーター内蔵上部カバー部 ７．１９．複合麻繊維芯材 ８．１４．吸気モレ防止シート ９．１３．下部ヒータープレート １０．１６．真空ポンプ １１．コールドプレス １２．吸気用溝 １７．架台 １８．ジョイント部 ２０．保護用不織布 ２１．クッションシート ２２．裏面材 ２３．縫着用糸 ２４．畳表 ２５．畳縁地 1. Glass non-woven fabric 2. Pulp board paper 3.19-a. Hemp fiber non-woven fabric 4.19-b. Plywood 5. Vacuum compression device 6.15. Top cover with built-in heater 7.19. Composite hemp fiber core material 8.14. Intake leak prevention sheet 9.13. Lower heater plate 10.16. Vacuum pump 11. Cold press Inlet groove 17. Mount 18. Joint part 20. Protective nonwoven fabric 21. Cushion sheet 22. Back material 23. Sewing thread 24. Tatami table 25. Tatami mat
Claims (8)
００ｇ〜１．２ｋｇ／ｍ２の少なくとも二層以上の麻繊
維不織布またはフェルト（不織布等という）の各層間に
ダンボール紙、板紙、インシュレーションボード、パル
プボード紙、合板などを載置し、各層間に無溶剤系熱可
塑性接着剤を介して、真空熱圧着により多積層したこと
を特長とする畳床用芯材。1. A fabric weight 5 manufactured by a needle punching method.
Cardboard between the layers of at least two or more layers of hemp fiber nonwoven fabric or felt 00g~1.2kg / m 2 (referred to nonwoven fabric) was placed paperboard, insulation board, pulp board paper, plywood, etc., the layers A core material for tatami floors, characterized in that it is multi-layered by vacuum thermocompression bonding via a solventless thermoplastic adhesive.
繊維系不織布（綿や合成繊維）であること、あるいは，
その混合繊維不織布であることを特長とする畳床用芯
材。2. The hemp fiber nonwoven fabric or the like according to claim 1 is another fibrous nonwoven fabric (cotton or synthetic fiber), or
A core material for tatami floors, characterized by being a mixed fiber nonwoven fabric.
にその上下にあらかじめ無溶剤系熱可塑性接着剤を塗布
または含浸させたガラス不織布あるいは寒冷紗等の寸法
安定部材を載置し、真空熱圧着により多積層したことを
特長とする畳床用芯材。3. A dimensional stabilizing member such as a glass nonwoven fabric or a cold gauze previously coated or impregnated with a solvent-free thermoplastic adhesive is placed on each layer and above and below each layer according to claim 1 and 2, and Core material for tatami floors, characterized by multiple layers by crimping.
布等やガラス不織布等に非鉄金属粉を溶射して、抗菌・
防カビ処理を施したことを特長とする畳床用芯材4. A non-ferrous metal powder is sprayed onto a hemp fiber non-woven fabric or a glass non-woven fabric according to claim 1, 2 or 3, and
Core material for tatami floors that has been treated to prevent mold
畳床用芯材の上面に保護材を兼ねたクッション材を載置
し、裏面にテープヤーン等の裏面材を載置して、畳床縫
着用縫糸によって縫合したことを特長とする薄畳用畳
床。5. A cushion material also serving as a protective material is placed on the upper surface of the core material for tatami floors obtained according to claim 1, 2, 3 and 4, and a back material such as a tape yarn is placed on the back surface. A tatami floor for thin tatami mats, which is sewn with sewing thread for tatami flooring.
畳床用芯材を複数層を積層して、上面に保護材、裏面に
裏面材を載置して、畳床縫着用縫糸により縫合したこと
を特長とする畳床。6. A tatami floor sewing thread, comprising a plurality of layers of the tatami floor core material obtained according to claim 1, 2, 3 and 4, wherein a protective material is placed on the upper surface and a back material is placed on the back surface. A tatami floor characterized by being sewn together.
表及び畳縁地などを公知の手法で縫い付けたことを特長
とする畳。7. A tatami mat having a tatami mat and a tatami mat sewn on the tatami mat floor obtained by the method according to claim 5 by a known method.
より積層することを特長とする製造方法。8. The manufacturing method according to claim 1, wherein the layers are laminated by vacuum thermocompression bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001165834A JP2002322793A (en) | 2001-04-25 | 2001-04-25 | Tatami mat, tatami bed, and hemp fiber core material for tatami bed, and their manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001165834A JP2002322793A (en) | 2001-04-25 | 2001-04-25 | Tatami mat, tatami bed, and hemp fiber core material for tatami bed, and their manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002322793A true JP2002322793A (en) | 2002-11-08 |
Family
ID=19008459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001165834A Pending JP2002322793A (en) | 2001-04-25 | 2001-04-25 | Tatami mat, tatami bed, and hemp fiber core material for tatami bed, and their manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002322793A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441804A (en) * | 2015-01-06 | 2015-03-25 | 浙江华川实业集团有限公司 | Regenerated fireproof and flame retardant corrugated paper and preparation method thereof |
| CN105179881A (en) * | 2015-08-07 | 2015-12-23 | 安徽百特新材料科技有限公司 | Efficient inorganic vacuum panel with granular cotton as core plate |
| JP2018040140A (en) * | 2016-09-06 | 2018-03-15 | 積水成型工業株式会社 | Thin tatami mat |
| CN109184011A (en) * | 2018-09-14 | 2019-01-11 | 长兴鑫迪耐火材料厂 | A kind of thermal insulation material for building |
| JP7458122B1 (en) | 2022-12-21 | 2024-03-29 | 株式会社浅井商店 | Tatami, tatami surface |
-
2001
- 2001-04-25 JP JP2001165834A patent/JP2002322793A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441804A (en) * | 2015-01-06 | 2015-03-25 | 浙江华川实业集团有限公司 | Regenerated fireproof and flame retardant corrugated paper and preparation method thereof |
| CN105179881A (en) * | 2015-08-07 | 2015-12-23 | 安徽百特新材料科技有限公司 | Efficient inorganic vacuum panel with granular cotton as core plate |
| JP2018040140A (en) * | 2016-09-06 | 2018-03-15 | 積水成型工業株式会社 | Thin tatami mat |
| CN109184011A (en) * | 2018-09-14 | 2019-01-11 | 长兴鑫迪耐火材料厂 | A kind of thermal insulation material for building |
| JP7458122B1 (en) | 2022-12-21 | 2024-03-29 | 株式会社浅井商店 | Tatami, tatami surface |
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