JP2020512861A - カーペットタイル及びシステムとその製造方法 - Google Patents
カーペットタイル及びシステムとその製造方法 Download PDFInfo
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- JP2020512861A JP2020512861A JP2019553902A JP2019553902A JP2020512861A JP 2020512861 A JP2020512861 A JP 2020512861A JP 2019553902 A JP2019553902 A JP 2019553902A JP 2019553902 A JP2019553902 A JP 2019553902A JP 2020512861 A JP2020512861 A JP 2020512861A
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- Prior art keywords
- adhesive composition
- carpet tile
- primary backing
- stiffener
- carpet
- Prior art date
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/30—Fillers, e.g. particles, powders, beads, flakes, spheres, chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2471/00—Floor coverings
- B32B2471/02—Carpets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/08—Impregnating
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/06—Building materials
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2213/00—Others characteristics
- D06N2213/06—Characteristics of the backing in carpets, rugs, synthetic lawn
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
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- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- Engineering & Computer Science (AREA)
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Abstract
Description
本願は、2017年3月30日に出願された米国仮特許出願第62/478,885号の優先権及び出願日の利益を主張するものである。本願は、その全体が参照により本明細書に組み込まれる。
上で要約したように、本明細書に記載している本発明の態様は、生機、接着層、及び二次裏地素材を含むカーペットタイルを提供する。これらの態様では、生機は一次裏地構成要素を含むことができ、これはフェース面及び裏面を有することができる。生機は、一次裏地構成要素に付着され、一次裏地構成要素のフェース面から延びる複数の繊維をさらに含むことができる。追加の態様では、接着層は、第1の表面と反対側の第2の表面を有することができる。これらの態様では、接着層は、接着剤組成物と、接着剤組成物内に少なくとも部分的に埋め込まれた補強材とを含むことができる。接着層の第1の表面は、一次裏地構成要素の裏面に適用することができる。任意選択で、本明細書でさらに開示されるように、カーペットタイルは、一次裏地構成要素と接着層との間に配置されたプレコート層を含むことができる。さらなる態様では、接着層の第2の表面と接触することにより、二次裏地素材を一次裏地構成要素に接着(結合)することができる。これらの態様では、補強材は、垂直軸に関して間隔を空けて対向する第1及び第2の側面を有することができると企図される。例示的な態様において、補強材及び二次裏地素材は、接着剤組成物上に共積層され得る。これらの態様では、「共積層」という用語は、補強材と二次裏地素材が接着剤組成物上に(単一ステップで)同時に積層されることを示す。さらなる例示的な態様では、補強材は、接着剤組成物の流れが補強材の第1の側面から補強材の第2の側面まで補強材を通るのを可能にする開放構造を有することができる。補強材を通る接着剤組成物のこの流れは、接着剤組成物内に補強材の少なくとも一部を埋め込み、接着層を画定することができる。任意選択で、例示的な態様では、接着剤組成物が補強材を完全にまたは実質的に取り囲むように、補強材全体または実質的に補強材全体を接着剤組成物に埋め込むことができる。これらの態様において、補強材の第2の側面に接着剤組成物が存在すると、補強材と二次裏地素材との間の直接的な接触を防止または制限することができる。しかし、他の態様では、補強材の少なくとも第1部分を接着剤組成物内に埋め込む(接着剤組成物が二次裏地素材と補強材の第1部分との間の直接的な接触を防ぐようにする)が、一方で補強材の少なくとも第2部分は接着剤組成物内に完全に埋め込まれてはいない(二次裏地素材が補強材の第2部分の第2の側面の一部に直接的に接触し、任意選択で二次裏地素材に溶け込むことができる)ようにすることができると企図される。任意選択で、補強材の開放構造は、補強材の第1の側面から補強材の第2の側面への流体連通を実現するために協働する複数の細孔を有する多孔質構造を含むことができる。任意選択で、他の態様では、補強材の開放構造は、補強材の第1の側面から補強材の第2の側面まで延びる複数の貫通開口を含むことができる。例えば、例示的な態様では、補強材の開放構造は、開放メッシュ構造を含むことができると企図されている。さらなる例示的な態様では、補強材は、その構造を維持しながら接着剤組成物の浸透を可能にするのに十分なメルトインデックスを有することができると企図されている。
結晶化度パーセント=(Hf/292)x100、式中Hfはジュール/グラムの融合熱である。
開示されたカーペットタイルの製造方法も記載されている。例示的な態様では、カーペットタイルの製造方法は、生機の一次裏地構成要素の裏面上に接着剤組成物を押し出すことを含むことができる。さらなる態様では、この方法は、接着剤組成物上に補強材と二次裏地素材を共積層することを含むことができる。これらの態様において、及び本明細書でさらに開示されるように、「共積層」という用語は、補強材及び二次裏地素材が接着剤組成物に(単一工程で)同時に積層されることを示す。本明細書でさらに開示されるように、補強材は、開放構造と、垂直軸に関して間隔を空けて対向する第1及び第2の側面とを有することができる。追加の態様では、方法は、補強材の第2の側面の接着剤組成物が二次裏地素材に接触するように、接着剤組成物が補強材の第1の側面から補強材の第2の側面に補強材を通って流動可能とすることを含むことができる。さらなる態様では、方法は、接着剤組成物を冷却して、補強材が接着剤組成物内に少なくとも部分的に埋め込まれた接着層を画定することを含むことができる。本明細書でさらに開示されるように、補強材と二次裏地素材の共積層の後、二次裏地素材は、接着層の接着剤組成物との接触によって一次裏地構成要素に接着され得る。任意選択で、この方法は、一次裏地構成要素に接着剤組成物を押し出す前に、一次裏地構成要素を延びる繊維を少なくとも部分的に封入するために一次裏地構成要素の裏面に本明細書に開示されるプレコート層を適用することをさらに含むことができる。接着剤組成物の冷却後、この方法は、生機、接着層、及び二次裏地素材を切断してカーペットタイルを形成することをさらに含むことができる。
記載された製品、システム、及び方法及びそれらの変形物を考慮して、本明細書では以下で、本発明の特定のより詳細に記載された態様を記載する。ただし、これらの特定の述べられている態様は、本明細書に記載の異なるまたはより一般的な教示を含む任意の異なる請求項に対していずれかの制限する効果を有すると解釈されるべきではなく、または「特定の」態様は文字通りに本明細書で使用される文言の固有の意味以外の何らかの様式で幾分制限されると解釈されるべきではない。
Claims (60)
- カーペットタイルであって、
(a)生機であって、
i)フェース面と裏面を有する一次裏地構成要素と、
ii)前記一次裏地構成要素に取り付けられ、前記一次裏地構成要素の前記フェース面から延びる複数の繊維と、を含む前記生機、及び
(b)第1の表面と、反対側の第2の表面とを有する接着層であって、前記接着層が、接着剤組成物と、少なくとも部分的に前記接着組成物内に埋め込まれた補強材とを含み、前記接着層の前記第1の表面が、前記一次裏地構成要素の前記裏面に適用される前記接着層、及び
(c)前記接着層の前記第2の表面と接触して前記一次裏地構成要素に付着させた二次裏地素材を含み、
前記補強材は、垂直軸に関して間隔を空けて対向する第1の側面及び第2の側面を有し、前記補強材は、前記補強材と前記二次裏地素材の前記接着剤組成物への共積層の間、前記接着剤組成物の流れが前記補強材の前記第1の側面から前記補強材の前記第2の側面まで前記補強材を通るのを可能にする開放構造を有し、前記接着剤組成物内に前記補強材の少なくとも一部を埋め込み、前記接着層を画定する、前記カーペットタイル。 - 前記複数の繊維は、ポリアミド、オレフィン、ポリエステル、またはそれらの組み合わせを含む、請求項1に記載のカーペットタイル。
- 前記複数の繊維が糸に存在する、請求項1または2に記載のカーペットタイル。
- 前記複数の繊維の一部は、前記一次裏地構成要素の前記裏面で露出する、請求項1〜3のいずれか一項に記載のカーペットタイル。
- 前記生機が、前記一次裏地構成要素の前記裏面と前記接着層との間に配置されたプレコート層を含み、前記プレコート層は、少なくとも部分的に、前記生機の前記複数の繊維を封入する、請求項1〜4のいずれか一項に記載のカーペットタイル。
- 前記プレコート層がラテックスを含む、請求項5に記載のカーペットタイル。
- 前記プレコート層がSBRラテックスを含む、請求項6に記載のカーペットタイル。
- 前記プレコート層がVAEラテックスを含む、請求項6に記載のカーペットタイル。
- 前記プレコート層がEVAラテックスを含む、請求項6に記載のカーペットタイル。
- 前記プレコート層がアクリル材料を含む、請求項5に記載のカーペットタイル。
- 前記プレコート層は、約10から約25オンス/平方ヤードの範囲のコーティング重量で設けられる、請求項6〜10のいずれか一項に記載のカーペットタイル。
- 前記接着剤組成物が熱可塑性エラストマーを含む、請求項1〜11のいずれか一項に記載のカーペットタイル。
- 前記熱可塑性エラストマーが均一分岐エチレンポリマーである、請求項12に記載のカーペットタイル。
- 前記熱可塑性エラストマーはポリエチレンエラストマーである、請求項12に記載のカーペットタイル。
- 前記熱可塑性エラストマーがポリプロピレンエラストマーである、請求項12に記載のカーペットタイル。
- 前記熱可塑性エラストマーがエチレンメチルアクリル酸(EMA)エラストマーである、請求項12に記載のカーペットタイル。
- 前記接着剤組成物が約8〜約30オンス/平方ヤードの範囲のコーティング重量で提供される、請求項12〜16のいずれか一項に記載のカーペットタイル。
- 前記接着剤組成物が前記接着剤組成物の約0重量%〜約80重量%の範囲の量の充填剤を含む、請求項12〜17のいずれか一項に記載のカーペットタイル。
- 前記接着層の前記補強材がグラスファイバースクリムを含む、請求項1〜18のいずれか一項に記載のカーペットタイル。
- 前記二次裏地素材が不織布材料を含む、請求項1〜19のいずれか一項に記載のカーペットタイル。
- 前記不織布材料がフリース材料を含む、請求項20に記載のカーペットタイル。
- 前記二次裏地素材がポリプロピレン、ポリエチレンテレフタレート、ポリエチレン、またはその組み合わせを含む、請求項1〜21のいずれか一項に記載のカーペットタイル。
- 前記二次裏地素材がスパンボンド材料を含む、請求項20〜22のいずれか一項に記載のカーペットタイル。
- 前記二次裏地素材がニードルパンチされている、請求項20〜22のいずれか一項に記載のカーペットタイル。
- 前記二次裏地素材が熱安定化される、請求項24に記載のカーペットタイル。
- 前記二次裏地素材がポイントボンド材料を含む、請求項20〜22のいずれか一項に記載のカーペットタイル。
- 前記二次裏地素材が織布材料を含む、請求項1〜19のいずれか一項に記載のカーペットタイル。
- カーペットタイルであって、
(a)生機であって、
i)フェース面と裏面を有する一次裏地構成要素と、
ii)前記一次裏地構成要素に取り付けられ、前記一次裏地構成要素の前記フェース面から延びる複数の繊維と
を含む前記生機、
(b)第1の表面と、反対側の第2の表面とを有する接着層であって、前記接着層が、熱可塑性接着剤組成物と、少なくとも部分的に前記接着組成物内に埋め込まれた補強材とを含む、前記接着層、
(c)前記一次裏地構成要素の前記裏面と前記接着層の間に配置されたプレコート層、及び
(d)前記接着層の前記第2の表面との接触によって前記一次裏地構成要素に付着した二次裏地素材を含み、
前記補強材は、垂直軸に関して間隔を空けて対向する第1及び第2の側面を有し、前記補強材は、前記補強材と前記二次裏地素材の前記接着剤組成物への共積層の間、前記接着剤組成物の流れが前記補強材の前記第1の側面から前記補強材の前記第2の側面まで前記補強材を通るのを可能にする開放構造を有し、それによって、前記接着剤組成物内に前記補強材の少なくとも一部を埋め込み、前記接着層を画定する、前記カーペットタイル。 - カーペットタイルを製造する方法であって,
(a)生機の一次裏地構成要素の裏面に接着剤組成物を押し出すことであって、前記生機がさらに前記一次裏地構成要素に付着された複数の繊維を含み、前記一次裏地構成要素のフェース面から延びる前記押し出すこと、
(b)補強材と二次裏地素材を前記接着剤組成物に共積層することであって、前記補強材が、開放構造と、垂直軸に関して間隔を空けて対向する第1の側面及び第2の側面とを有する共積層すること、
(c)前記補強材の前記第2の側面の前記接着剤組成物が前記二次裏地素材に接触するように、前記接着剤組成物を前記補強材の前記第1の側面から前記補強材の前記第2の側面に前記補強材を通って流動可能とすること、及び
(d)前記接着剤組成物を冷却して、前記補強材が前記接着剤組成物内に少なくとも部分的に埋め込まれた接着層を画定すること
を含み、
前記二次裏地素材が前記接着層の前記接着剤組成物との接触によって前記一次裏地構成要素に付着する前記方法。 - 前記複数の繊維は、ポリアミド、オレフィン、ポリエステル、またはそれらの組み合わせを含む、請求項29に記載の方法。
- 前記複数の繊維が糸に存在する、請求項29または請求項30に記載の方法。
- 前記複数の繊維の一部は、前記一次裏地構成要素の前記裏面で露出する、請求項29〜31のいずれか一項に記載の方法。
- 前記一次裏地構成要素に前記接着剤組成物を押し出す前に、少なくとも部分的に前記繊維を封入するために前記一次裏地構成要素の前記裏面にプレコート層を適用することをさらに含む、請求項29〜32のいずれか一項に記載の方法さ。
- 前記プレコート層がアクリル材料を含む、請求項33に記載の方法。
- 前記プレコート層がラテックスを含む、請求項33に記載の方法。
- 前記プレコート層がSBRラテックスを含む、請求項35に記載の方法。
- 前記プレコート層がVAEラテックスを含む、請求項35に記載の方法。
- 前記プレコート層がEVAラテックスを含む、請求項35に記載の方法。
- 前記ラテックス層が、約10から約25オンス/平方ヤードの範囲のコーティング重量で設けられる、請求体35〜38のいずれか一項に記載の方法。
- 前記接着剤組成物が熱可塑性エラストマーを含む、請求項29〜39のいずれか一項に記載の方法。
- 前記熱可塑性エラストマーが均一分岐エチレンポリマーである、請求項40に記載の方法。
- 前記熱可塑性エラストマーはポリエチレンエラストマーである、請求項40に記載の方法。
- 前記熱可塑性エラストマーがポリプロピレンエラストマーである、請求項40に記載の方法。
- 前記熱可塑性エラストマーがエチレンメチルアクリル酸(EMA)エラストマーである、請求項40に記載の方法。
- 前記接着剤組成物が約8〜約30オンス/平方ヤードの範囲のコーティング重量で提供される、請求項40〜44のいずれか一項に記載の方法。
- 前記接着剤組成物が前記接着剤組成物の約0重量%〜約80重量%の範囲の量の充填剤を含む、請求項40〜45のいずれか一項に記載の方法。
- 前記二次裏地素材がポリプロピレン、ポリエチレンテレフタレート、ポリエチレン、またはその組み合わせを含む、請求項40〜46のいずれか一項に記載の方法。
- 前記接着層の前記補強材がグラスファイバースクリムを含む、請求項29〜47のいずれか一項に記載の方法。
- 前記二次裏地素材が不織布材料を含む、請求項29〜48のいずれか一項に記載の方法。
- 前記不織布材料がフリース材料を含む、請求項49に記載の方法。
- 前記二次裏地素材がスパンボンド材料を含む、請求項48〜50のいずれか一項に記載の方法。
- 前記二次裏地素材がニードルパンチされている、請求項48〜50のいずれか一項に記載の方法。
- 前記二次裏地素材が熱安定化される、請求項52に記載の方法。
- 前記二次裏地素材がポイントボンド材料を含む、請求項48〜50のいずれか一項に記載の方法。
- 前記二次裏地素材が不織布材料を含む、請求項29〜48のいずれか一項に記載の方法。
- 前記接着剤組成物の冷却後、前記生機、前記接着層、及び前記二次裏地素材を切断して前記カーペットタイルを形成することをさらに含む、請求項29〜55のいずれか一項に記載の方法。
- 前記生機が前記カーペットタイルの幅よりも大きい第1の幅で提供され、前記接着組成物の冷却に続いて、
前記生機、前記接着層、及び前記二次裏地素材を前記第1の幅よりも小さい第2の幅に切断すること、
前記第2の幅を有する材料を受け入れるように構成された切断機内に、前記第2の幅を有する前記生機、前記接着層、及び二次裏地素材の一部を配置することをさらに含むこと、及び
前記切断機を作動させて、前記切断機内の前記生機、前記接着層、及び前記二次裏地素材の一部から前記カーペットタイルを形成すること
をさらに含む、請求項29〜56のいずれか一項に記載の方法。 - 前記第1の幅は約12フィートであり、前記第2の幅が約6フィートである、請求項57に記載の方法。
- 前記接着剤組成物は、押し出される前記カーペットタイルの唯一の部分であり、いかなる追加の押し出しステップをも含まない、請求項29〜58のいずれか一項に記載の方法。
- 前記二次裏地がPETまたはポリプロピレンニードルボンドパッドを含む、請求項22に記載のカーペットタイル。
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PCT/US2018/025434 WO2018183871A1 (en) | 2017-03-30 | 2018-03-30 | Carpet tiles and systems and methods of making same |
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WO2021159091A1 (en) * | 2020-02-06 | 2021-08-12 | Purple Innovation, Llc | Printed elastomeric elements |
CN113370490A (zh) * | 2021-05-06 | 2021-09-10 | 武汉现代精工机械股份有限公司 | 一种方块地毯挤出复合生产线 |
TWI812500B (zh) * | 2022-10-07 | 2023-08-11 | 台灣百和工業股份有限公司 | 環扣編織布 |
WO2024173382A1 (en) * | 2023-02-13 | 2024-08-22 | Shaw Industries Group, Inc. | Carpet tiles and systems and methods of making same |
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WO2018183871A1 (en) | 2018-10-04 |
US12077906B2 (en) | 2024-09-03 |
AU2024216481A1 (en) | 2024-09-19 |
EP3601058A1 (en) | 2020-02-05 |
CA3058466A1 (en) | 2018-10-04 |
AU2018243647B2 (en) | 2024-05-30 |
CN110573424A (zh) | 2019-12-13 |
AU2018243647A1 (en) | 2019-11-07 |
US20180282942A1 (en) | 2018-10-04 |
BR112019020503A2 (pt) | 2020-05-05 |
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US20210032808A1 (en) | 2021-02-04 |
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