TWI785148B - Cushion composite structure, pad body and personal protective equipment - Google Patents
Cushion composite structure, pad body and personal protective equipment Download PDFInfo
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本發明係關於一種墊體複合材結構、墊體及護具，特別是關於可低溫塑形、高透氣性、耐衝擊、提供使用者舒適性的墊體複合材結構、墊體及護具。 The invention relates to a cushion composite material structure, cushion body and protective gear, in particular to a cushion body composite material structure, cushion body and protective gear that can be molded at low temperature, have high air permeability, impact resistance, and provide user comfort.
運動、醫療護具、塑身用品等中，作為具有耐衝擊性的墊體，通常使用木板、塑膠板等的各種硬質板材，由於科技的進步，該等用品需要設計為讓使用者感覺有柔軟、舒適性。但是如要求柔軟、舒適性，有機械強度、耐衝擊性不足的問題。再者，大部分要求柔軟性的墊體，例如聚胺酯發泡體等所構成的墊體，有缺乏透氣性的問題。另一方面，具有耐衝擊性的墊體，為了具有透氣性，通常採用對墊體(硬質板材)沖孔的方法，達到透氣的效果。然而，沖孔的方式，孔洞密度低時，恐會有透氣性不足的可能性，而孔洞密度高時，恐會有機械強度不足的可能性。 In sports, medical protective gear, body shaping products, etc., various hard boards such as wood boards and plastic boards are usually used as cushions with impact resistance. Due to the advancement of technology, these products need to be designed to make users feel soft and comfortable. comfort. However, if softness and comfort are required, there are problems of insufficient mechanical strength and impact resistance. Furthermore, most of the pads that require flexibility, such as pads made of polyurethane foam, have the problem of lack of air permeability. On the other hand, for cushions with impact resistance, in order to have air permeability, the method of punching the cushion (hard plate) is usually adopted to achieve the effect of ventilation. However, in the punching method, when the hole density is low, there may be insufficient air permeability, and when the hole density is high, there may be insufficient mechanical strength.
再者，目前具有耐衝擊性的墊體在應用於各種護具時，通常無法再塑形，亦即無法提供使用者完全符合或適合使用部位的形狀，因此，需要一創新的可低溫塑形、高透氣性、耐衝擊、提供使用者舒適性的墊體複合材結構、墊體及護具。 Furthermore, when the current impact-resistant pads are applied to various protective gears, they usually cannot be reshaped, that is, they cannot provide the user with a shape that is completely consistent or suitable for the part used. Therefore, an innovative low-temperature moldable pad is required. , high air permeability, impact resistance, cushion composite material structure, cushion and protective gear that provide user comfort.
鑒於上述之發明背景，為了符合產業上之要求，本發明之目的之一在於提供一種墊體複合材結構，具有低溫熱塑性、透氣性、耐衝擊性、支撐性及舒適性，適合使用於如運動、醫療護具、塑身用品等的各種用途。 In view of the above-mentioned background of the invention, in order to meet the requirements of the industry, one of the objectives of the present invention is to provide a cushion composite material structure, which has low-temperature thermoplasticity, air permeability, impact resistance, support and comfort, and is suitable for use in sports such as , medical protective gear, body shaping supplies, etc.
為了達到上述目的，根據本發明一實施態樣，提供一種墊體複合材結構，其係至少由一第一立體織物及一立體織物複合材積層所構 成；其中該第一立體織物係由2層第一表面層及夾於該2層第一表面層之間的第一中間層所構成，該第一立體織物具有網孔；該立體織物複合材，係由一第二立體織物及形成於該第二立體織物的表面之聚合物層所構成，該第二立體織物係由2層第二表面層及夾於該2層第二表面層之間的第二中間層所構成，該聚合物層為低溫熱可塑聚合物所構成，該第二立體織物的表面包括該2層第二表面層中之任一表面或兩者及該第二中間層；該立體織物複合材具有網孔結構，其網孔的縮孔率為50%以下。 In order to achieve the above object, according to an embodiment of the present invention, a cushion composite material structure is provided, which is at least composed of a first three-dimensional fabric and a three-dimensional fabric composite layer. wherein the first three-dimensional fabric is composed of two first surface layers and a first intermediate layer sandwiched between the two first surface layers, the first three-dimensional fabric has a mesh; the three-dimensional fabric composite , is composed of a second three-dimensional fabric and a polymer layer formed on the surface of the second three-dimensional fabric, the second three-dimensional fabric is composed of two second surface layers and sandwiched between the two second surface layers The second intermediate layer is composed of a low-temperature thermoplastic polymer, and the surface of the second three-dimensional fabric includes any surface or both of the two second surface layers and the second intermediate layer. layer; the three-dimensional fabric composite material has a mesh structure, and the shrinkage porosity of the mesh is less than 50%.
再者，根據本發明一實施態樣，提供一種墊體，其係一熱可塑墊體，該熱可塑墊體為具有上述墊體複合材結構，該墊體複合材結構係至少由一第一立體織物及一立體織物複合材積層所構成；其中該第一立體織物係由2層第一表面層及夾於該2層第一表面層之間的第一中間層所構成，該第一立體織物具有網孔；該立體織物複合材，係由一第二立體織物及形成於該第二立體織物的表面之聚合物層所構成，該第二立體織物係由2層第二表面層及夾於該2層第二表面層之間的第二中間層所構成，該聚合物層為低溫熱可塑聚合物所構成，該第二立體織物的表面包括該2層第二表面層中之任一表面或兩者及該第二中間層；該立體織物複合材具有網孔結構，其網孔的縮孔率為50%以下。 Moreover, according to an embodiment of the present invention, a cushion body is provided, which is a thermoplastic cushion body. The thermoplastic cushion body has the above-mentioned cushion body composite material structure, and the cushion body composite material structure is composed of at least one first A three-dimensional fabric and a three-dimensional fabric composite material laminate; wherein the first three-dimensional fabric is composed of two first surface layers and a first middle layer sandwiched between the two first surface layers, the first three-dimensional The fabric has a mesh; the three-dimensional fabric composite material is composed of a second three-dimensional fabric and a polymer layer formed on the surface of the second three-dimensional fabric, and the second three-dimensional fabric is composed of two layers of the second surface layer and a sandwich The second intermediate layer between the two second surface layers, the polymer layer is made of low temperature thermoplastic polymer, the surface of the second three-dimensional fabric includes any of the two second surface layers A surface or both and the second middle layer; the three-dimensional fabric composite material has a mesh structure, and the shrinkage porosity of the mesh is less than 50%.
縮孔率的定義，係(聚合物層形成前的網孔的平均直徑減去形成後的網孔的平均直徑）/形成前的網孔的平均直徑之比值，較理想為50%以下，更理想為40%以下，更加理想為30%以下。 The definition of shrinkage porosity is the ratio of (the average diameter of the mesh before the formation of the polymer layer minus the average diameter of the mesh after formation)/the average diameter of the mesh before formation, preferably less than 50%, more preferably Ideally, it is 40% or less, and more preferably, it is 30% or less.
再者，根據本發明一實施態樣，提供一種護具，包括至少一熱可塑墊體，該熱可塑墊體為上述本發明的熱可塑墊體。 Furthermore, according to an embodiment of the present invention, a protective gear is provided, including at least one thermoplastic pad, and the thermoplastic pad is the above-mentioned thermoplastic pad of the present invention.
根據本發明，可提供可低溫塑形、高透氣性、耐衝擊、舒適性的墊體複合材結構、墊體及護具。 According to the present invention, it is possible to provide a cushion composite material structure, cushion and protective gear that can be molded at low temperature, have high air permeability, impact resistance and comfort.
1,2,3,4,5‧‧‧墊體複合材結構 1,2,3,4,5‧‧‧Cushion body composite structure
100‧‧‧立體織物 100‧‧‧Three-dimensional fabric
101,103,110,120‧‧‧表面層 101,103,110,120‧‧‧surface layer
102‧‧‧中間層 102‧‧‧intermediate layer
200‧‧‧立體織物複合材 200‧‧‧Three-dimensional fabric composite
201p,203p‧‧‧表面層 201p,203p‧‧‧surface layer
202p‧‧‧中間層 202p‧‧‧intermediate layer
201‧‧‧表面有聚合物層之立體織物表面層 201‧‧‧Surface layer of three-dimensional fabric with polymer layer on the surface
202‧‧‧表面有聚合物層之立體織物中間層 202‧‧‧Intermediate layer of three-dimensional fabric with polymer layer on the surface
203‧‧‧表面有聚合物層之立體織物表面層 203‧‧‧Surface layer of three-dimensional fabric with polymer layer on the surface
204‧‧‧聚合物層 204‧‧‧polymer layer
205‧‧‧網孔 205‧‧‧Mesh
H1‧‧‧頭罩 H1‧‧‧hood
S1‧‧‧脛骨護具 S1‧‧‧Tibia Protector
N1‧‧‧頸圈護具 N1‧‧‧collar protector
W1‧‧‧護腰帶 W1‧‧‧Belt
圖1係表示根據本發明的墊體複合材結構之一實施例的剖面示意圖。 Fig. 1 is a schematic cross-sectional view showing an embodiment of a cushion composite material structure according to the present invention.
圖2係表示圖1所示的墊體複合材結構之立體織物複合材之一實施例的剖面示意圖。 Fig. 2 is a schematic cross-sectional view showing an embodiment of the three-dimensional fabric composite material of the mat composite material structure shown in Fig. 1 .
圖3係表示根據本發明的墊體複合材結構之其他實施例的剖面示意圖。 Fig. 3 is a schematic cross-sectional view showing another embodiment of the pad composite material structure according to the present invention.
圖4係表示根據本發明的墊體複合材結構之上視示意圖。 Fig. 4 is a schematic diagram showing a top view of the pad composite material structure according to the present invention.
圖5係表示根據本發明的墊體應用於頭罩的一實施例的示意圖。 FIG. 5 is a schematic view showing an embodiment of the cushion body applied to the headgear according to the present invention.
圖6係表示根據本發明的墊體應用於脛骨護具的一實施例的示意圖。 Fig. 6 is a schematic diagram showing an embodiment of the pad body according to the present invention applied to a shin guard.
圖7係表示根據本發明的墊體應用於頸部護具的一實施例的示意圖。 Fig. 7 is a schematic view showing an embodiment of the pad body according to the present invention applied to a neck protector.
圖8係表示根據本發明的墊體應用於腰部護具的一實施例的示意圖。 FIG. 8 is a schematic view showing an embodiment of the pad body according to the present invention applied to a waist supporter.
有關本發明之前述及其他技術內容、特點與功效，在以下配合參考圖式之一較佳實施例的詳細說明中，將可清楚的呈現。以下實施例中所提到的方向用語，例如：上、下、左、右、前或後等，僅是參考附加圖式的方向。因此，使用的方向用語是用來說明並非用來限制本發明。此外，「A層(或元件)設置於B層(或元件)上」之用語，並不限定為A層直接貼覆接觸B層表面的態樣，例如A層與B層中間尚間隔其他疊層亦為該用語所涵蓋範圍。圖示中，相同的元件係以相同的符號表示。 The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of a preferred embodiment with reference to the drawings. The directional terms mentioned in the following embodiments, such as: up, down, left, right, front or back, etc., are only directions referring to the attached drawings. Accordingly, the directional terms are used to illustrate and not to limit the invention. In addition, the term "A layer (or component) is placed on B layer (or component)" is not limited to the aspect that A layer directly touches the surface of B layer, for example, there is another layer between A layer and B layer. Layers are also covered by this term. In the drawings, the same elements are denoted by the same symbols.
根據本發明一實施態樣，揭露一種墊體複合材結構，其係至少由一第一立體織物及一立體織物複合材積層所構成；其中該第一立體織物係由2層第一表面層及夾於該2層第一表面層之間的第一中間層所構成，該第一立體織物具有網孔；該立體織物複合材，係由一第二立體織物及形成於該第二立體織物的表面之聚合物層所構成，該第二立體織物係由2層第二表面層及夾於該2層第二表面層之間的第二中間層所構成，該聚合物層為低溫熱可塑聚合物所構成，該第二立體織物的表面包括該2層第二表面層中之任一表面或兩者及該第二中間層；該立體織物複合材具有網孔結構，其網孔的縮孔率為50%以下。 According to an embodiment of the present invention, a cushion composite material structure is disclosed, which is composed of at least a first three-dimensional fabric and a three-dimensional fabric composite material laminate; wherein the first three-dimensional fabric is composed of two layers of the first surface layer and The first intermediate layer sandwiched between the two first surface layers, the first three-dimensional fabric has a mesh; the three-dimensional fabric composite material is composed of a second three-dimensional fabric and the The second three-dimensional fabric is composed of two layers of the second surface layer and the second middle layer sandwiched between the two layers of the second surface layer. The polymer layer is a low-temperature thermoplastic Composed of polymers, the surface of the second three-dimensional fabric includes any surface or both of the two second surface layers and the second intermediate layer; the three-dimensional fabric composite material has a mesh structure, and the shrinkage of the mesh The porosity is below 50%.
圖1係表示根據本發明的墊體複合材結構之一實施例的剖面示意圖。墊體複合材結構1包括立體織物100及立體織物複合材200。其中，立體織物100係由2層表面層101、103及夾於該2層之間的中間層102所構成。2層表面層101、103具有例如菱形的網孔，中間層102為單絲(mono yarn)，結構像三明治般堆疊，也稱為三明治立體網布，主要是由高分子合
成纖維組成，可由例如精密經編機機台編織而成。表面層101、103間有密網支撐，使得表面的網狀結構不會產生太大的變形，增強了布料的機械性質及色彩牢固度。
Fig. 1 is a schematic cross-sectional view showing an embodiment of a cushion composite material structure according to the present invention. The cushion
由於立體織物(網布)的特殊結構，具備以下的特點：(1)相較於一般平面布料，立體網孔結構具備良好的透氣性及支撐性；(2)良好的避震、彈性回復力及延伸性，受到外力會順著力的方向延伸，移除外力又能回復原來形狀，不會鬆弛變形；(3)由高分子纖維組成，具備良好的牢固性、耐磨且色牢度及耐洗度高。網孔形狀多樣性，材料輕，易清洗；(4)可結合其他複合材料，增加多功能性及應用性。立體網布能夠廣泛地應用於服飾、鞋材、床墊、帽材、透氣鞋墊、運動防護材、醫療複合材等。立體織物100，可為市售品。
Due to the special structure of the three-dimensional fabric (mesh), it has the following characteristics: (1) Compared with ordinary flat fabrics, the three-dimensional mesh structure has good air permeability and support; (2) Good shock absorption and elastic recovery And extensibility, it will extend along the direction of the force when it is subjected to external force, and it can return to the original shape after removing the external force without loosening and deformation; (3) Composed of polymer fibers, it has good firmness, wear resistance, color fastness and durability High washing degree. The shape of the mesh is diverse, the material is light and easy to clean; (4) It can be combined with other composite materials to increase versatility and applicability. Three-dimensional mesh can be widely used in clothing, shoe materials, mattresses, hat materials, breathable insoles, sports protective materials, medical composite materials, etc. The three-
根據本發明的墊體複合材結構1應用於各種護具時，該立體織物100位於靠近使用者的側，以提供柔軟性及舒適性。藉由構成墊體複合材結構1的構件皆具有網孔的結構，提供透氣性，特別是立體織物複合材200具有網孔結構，其網孔的縮孔率為50%以下，較理想為40%以下，更理想為30%以下。更加理想為20%以下，可進一步提高透氣性。圖2表示圖1所示的墊體複合材結構1之立體織物200p及立體織物複合材200之一實施例的剖面示意圖。圖1(a)表示立體織物200p，立體織物200p包括2層表面層201p、203p及夾於該2層之間的中間層202p，圖1(b)表示表面具有聚合物層204之立體織物複合材200，包括表面層201、203及中間層202。
When the pad
再者，圖3係表示根據本發明的墊體複合材結構之其他實施例的剖面示意圖。墊體複合材結構2，係立體織物110、立體織物複合材210及立體織物120積層所構成，與墊體複合材結構1比較，墊體複合材結構2在立體織物複合材的兩側具有立體織物。藉由兩側包括立體織物，可進一步提供耐衝擊性。此外，立體織物110與立體織物120，可為相同種類的立體織物，可為不同種類的立體織物。而且，立體織物複合材所使用的立體織物，可與立體織物110、120不同，亦可為相同。所謂不同種類的立體織物，係指例如具有不同厚度、孔洞、單位面積的布重、結構等的立體織物。
圖4係表示根據本發明的墊體複合材結構之上視示意圖，具有複數網孔205的結構，但是，本發明使用的立體織物的網孔不限於圖4所示的形狀。
Furthermore, FIG. 3 is a schematic cross-sectional view showing another embodiment of the pad composite material structure according to the present invention. The cushion
再者，於一實施例，本發明的墊體複合材結構，可更包含一黏接著層，該黏接著層位於該第一立體織物與一立體織物複合材之間，該黏接著層具有與該立體織物複合材一致的網孔結構。黏接著層，例如藉由黏著劑、接著劑，熱熔膠等，形成具有與該立體織物複合材一致的網孔結構的層而得，具體地使用例如聚己內酯、聚胺酯(polyurethane)等的熱熔膠等。此外，於另一實施例，本發明的墊體複合材結構，其中該第一立體織物與該立體織物複合材的積層，係藉由該立體織物複合材的該聚合物層積層。 Furthermore, in one embodiment, the pad composite material structure of the present invention may further include an adhesive layer, the adhesive layer is located between the first three-dimensional fabric and a three-dimensional fabric composite material, and the adhesive layer has the same The three-dimensional fabric composite material has a consistent mesh structure. The adhesive layer, for example, is obtained by forming a layer with a mesh structure consistent with the three-dimensional fabric composite material by adhesives, adhesives, hot melt adhesives, etc., specifically using polycaprolactone, polyurethane, etc. hot melt adhesive, etc. In addition, in another embodiment, in the cushion composite material structure of the present invention, the lamination of the first three-dimensional fabric and the three-dimensional fabric composite material is through the polymer laminated layer of the three-dimensional fabric composite material.
於一實施例，本發明的墊體複合材結構中，立體織物複合材在常溫下具有108Pa以上的楊氏模數。上述聚合物層，可由選自聚酯、聚氨酯、聚醯胺、聚醇所成群的至少一種無規共聚物或嵌段共聚物所構成。立體織物複合材，藉由具有不同厚度、孔洞、單位面積的布重、結構等，可調整立體織物複合材的機械強度、拉伸強度、彎曲強度、彈性率等的特性。 In one embodiment, in the cushion composite material structure of the present invention, the three-dimensional fabric composite material has a Young's modulus of 10 8 Pa or more at room temperature. The aforementioned polymer layer may be composed of at least one random copolymer or block copolymer selected from the group consisting of polyester, polyurethane, polyamide, and polyalcohol. The three-dimensional fabric composite material can adjust the characteristics of the three-dimensional fabric composite material such as mechanical strength, tensile strength, bending strength, and elastic rate by having different thicknesses, holes, cloth weights per unit area, and structure.
再者，本發明的墊體複合材結構，不限於上述圖3所示的墊體複合材結構，可依序由立體織物、立體織物複合材及具有網孔結構的織物積層所構成。該具有網孔結構的織物，例如可為表面雕花的網布等。 Furthermore, the pad composite material structure of the present invention is not limited to the pad composite material structure shown in FIG. 3 , and may be sequentially composed of three-dimensional fabrics, three-dimensional fabric composites, and fabric laminates with a mesh structure. The fabric with a mesh structure can be, for example, a mesh cloth with a surface carved.
根據本發明的墊體複合材結構，由於使用上述立體織物複合材，在常溫下具有108Pa以上的楊氏模數，在溫度70℃以上可重複進行塑形，改變熱可塑的形狀。 According to the cushion composite material structure of the present invention, since the above-mentioned three-dimensional fabric composite material is used, it has a Young's modulus of 10 8 Pa or more at room temperature, and can be repeatedly molded at a temperature of 70°C or higher to change the thermoplastic shape.
再者，根據本發明其他實施態樣，揭露一種墊體，其係一熱可塑墊體，該熱可塑墊體具有上述本發明的墊體複合材結構，至少由一第一立體織物及一立體織物複合材積層所構成。熱可塑墊體的構成構件，例如上述的墊體複合材結構之敘述。 Furthermore, according to other embodiments of the present invention, a cushion body is disclosed, which is a thermoplastic cushion body. Made of laminated fabric composites. The constituent components of the thermoplastic cushion are, for example, the description of the above-mentioned cushion composite material structure.
圖5至圖8表示根據本發明的墊體應用於各種護具的實施例的示意圖，圖5為頭罩H1的應用，圖6為脛骨護具S1的應用，圖7為頸圈護具N1的應用，圖8為護腰帶W1的應用，其中本發明的墊體3可應用
於頭罩H1的一部分或全部，本發明的墊體可應用於脛骨護具S1的部位4，本發明的墊體可應用於頸圈護具N1的一部分或全部，本發明的墊體可應用於護腰帶W1的部位5。
Fig. 5 to Fig. 8 represent the schematic diagram of the embodiment that pad body according to the present invention is applied to various protectors, Fig. 5 is the application of headgear H1, Fig. 6 is the application of tibial protector S1, Fig. 7 is the application of collar protector N1 application, Figure 8 is the application of the waist belt W1, wherein the
再者，綜上所述，根據本發明的墊體複合材結構，可提供可低溫塑形、高透氣性、耐衝擊、舒適性的墊體複合材結構、墊體及護具，由於可低溫塑形，可提供使用者完全符合或適合使用部位的形狀之護具。 Furthermore, in summary, according to the cushion composite material structure of the present invention, a cushion composite material structure, cushion body and protective gear that can be molded at low temperature, high air permeability, impact resistance, and comfort can be provided. Shaping, which can provide the user with a protective gear that completely conforms to or fits the shape of the used part.
以上雖以特定實施例說明本發明，但並不因此限定本發明之範圍，只要不脫離本發明之要旨，熟悉本技藝者瞭解在不脫離本發明的意圖及範圍下可進行各種變形或變更。另外本發明的任一實施例或申請專利範圍不須達成本發明所揭露之全部目的或優點或特點。此外，摘要部分和標題僅是用來輔助專利文件搜尋之用，並非用來限制本發明之權利範圍。 Although the present invention has been described above with specific embodiments, the scope of the present invention is not limited thereto. As long as it does not depart from the gist of the present invention, those skilled in the art understand that various modifications or changes can be made without departing from the intent and scope of the present invention. In addition, any embodiment or scope of claims of the present invention does not need to achieve all the objectives or advantages or features disclosed in the present invention. In addition, the abstract and the title are only used to assist the search of patent documents, and are not used to limit the scope of rights of the present invention.
1‧‧‧墊體複合材結構 1‧‧‧Cushion composite material structure
100‧‧‧立體織物 100‧‧‧Three-dimensional fabric
101,103‧‧‧表面層 101,103‧‧‧surface layer
102‧‧‧中間層 102‧‧‧intermediate layer
200‧‧‧立體織物複合材 200‧‧‧Three-dimensional fabric composite
Claims (15)
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| TW107140944A TWI785148B (en) | 2018-11-19 | 2018-11-19 | Cushion composite structure, pad body and personal protective equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107140944A TWI785148B (en) | 2018-11-19 | 2018-11-19 | Cushion composite structure, pad body and personal protective equipment |
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| TW202019683A TW202019683A (en) | 2020-06-01 |
| TWI785148B true TWI785148B (en) | 2022-12-01 |
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| TWI786448B (en) * | 2020-10-16 | 2022-12-11 | 台北智慧材料股份有限公司 | Patterned thermoplastic fabric composite structure and protective gear made therefrom |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201514014A (en) * | 2013-10-04 | 2015-04-16 | Jade Long John Entpr Co Ltd | Reusable modeling breathable fabric structure and assembly thereof |
| CN207237221U (en) * | 2017-07-27 | 2018-04-17 | 苏州艾美医疗用品有限公司 | Shaping is breathed freely protecting ware for sports |
| TWM577021U (en) * | 2018-11-19 | 2019-04-21 | 台北智慧材料股份有限公司 | Cushion composite structure, pad body and personal protective equipment |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201514014A (en) * | 2013-10-04 | 2015-04-16 | Jade Long John Entpr Co Ltd | Reusable modeling breathable fabric structure and assembly thereof |
| CN207237221U (en) * | 2017-07-27 | 2018-04-17 | 苏州艾美医疗用品有限公司 | Shaping is breathed freely protecting ware for sports |
| TWM577021U (en) * | 2018-11-19 | 2019-04-21 | 台北智慧材料股份有限公司 | Cushion composite structure, pad body and personal protective equipment |
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