CN109311301B - 用于生成具有至少三种介质且至少两种介质不同的多层纸板的系统及方法 - Google Patents

用于生成具有至少三种介质且至少两种介质不同的多层纸板的系统及方法 Download PDF

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CN109311301B
CN109311301B CN201780037946.7A CN201780037946A CN109311301B CN 109311301 B CN109311301 B CN 109311301B CN 201780037946 A CN201780037946 A CN 201780037946A CN 109311301 B CN109311301 B CN 109311301B
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flutes
embossing
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贾尔斯·格林菲尔德
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    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
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    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
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    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2813—Making corrugated cardboard of composite structure, e.g. comprising two or more corrugated layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
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    • B31F1/2895—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard from corrugated webs having corrugations of particular shape
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    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/03—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers with respect to the orientation of features
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/005—Mechanical treatment
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/02—Patterned paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/0092—Post-treated paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0733—Pattern
    • 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
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • 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
    • 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
    • B32B38/18—Handling of layers or the laminate
    • B32B38/1808—Handling of layers or the laminate characterised by the laying up of the layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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  • Mechanical Engineering (AREA)
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  • Laminated Bodies (AREA)
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  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

本发明涉及用于生成纸板产品的系统及方法，该纸板产品的特征在于在该纸板产品中具有两个波纹状介质及至少一个凸印介质。该纸板产品可进一步包含黏接至该波纹状介质、该凸印介质或两者的一个或多个面层。一般而言，波纹状介质的特征可在于纸张产品展现由交叉波纹化程序产生的凹槽，使得所产生的凹槽与该纸张产品的机器方向垂直(或者至少不一致)。凸印介质的特征可在于纸张产品展现由线性凸印程序产生的凹槽，使得所产生的凹槽与该纸张产品的该机器方向对齐。所得纸板产品由于该线性凸印介质在该机器方向上利用该纸张的自然强度而更强韧且能更有效生成。

Description

用于生成具有至少三种介质且至少两种介质不同的多层纸板 的系统及方法
背景技术
现代造纸技术在造纸厂使用造纸机生成纸卷，而此纸卷继而可由纸板制造商用于生成纸板产品(即波纹状纸板)。结果，纸卷可由连续操作的机器生成。现代造纸机通常借由许多物质生成纸张，包含包括木纤维的木浆(尽管也可使用其他纤维)。此纤维倾向于伸长且适于彼此相邻地对齐。纤维以可从造纸机的调浆箱进给至移动筛网上的浆料形式开始。在现代造纸机中，纤维倾向于彼此对齐并与筛网在其中移动的方向对齐。下层纤维的此对齐方向称为纸张的主要方向，并与机器方向一致。因此，主要方向通常简称为机器方向(MD)，并且生成的纸张具有相关联的MD值。
当纸张用于制作纸板产品时，纸板产品的部分或层可为波纹状。传统波纹化机将在纸张的交叉方向(CD)上使下层纸张产品波纹化，从而无法利用纸张在机器方向上的自然强度偏差。进一步地，纸张在机器方向上的较大自然强度质量在纸板制作解决方案中无法被交叉波纹技术所利用。结果，生产传统纸板产品的公司仍深陷限制纸板产品强度的陈旧生产程序中。
附图说明
当结合附图参考以下详细描述时，权利要求的各方面及诸多随附优点将变得更加容易明白且同样变得更好理解，其中：
图1是根据本文公开的主题的一个或多个实施例可为一个或多个纸板产品的部分的波纹状介质的等距剖视图。
图2是根据本文公开的主题的一个或多个实施例可为一个或多个纸板产品的部分的凸印介质的等距剖视图。
图3是根据本文公开的主题的实施例具有两个波纹状介质及至少一个凸印介质的纸板产品的分解等距剖视图。
图4是根据本文公开的主题的实施例具有两个波纹状介质及至少一个凸印介质的纸板产品的等距剖视图。
图5是根据本文公开的主题的实施例经配置以生成图3及图4的纸板产品的机器的各方面的图。
具体实施方式
呈现以下讨论以使得本领域技术人员可制作且使用本文公开的主题。在不脱离本详细描述的精神及范畴的情况下，本文所述的一般原理可应用于除了上文详述实施例及应用之外的实施例及应用。本公开无意受限于所示实施例，而是与符合本文公开或建议的原理及特征的最宽广范畴相一致。
作为概述，本文公开的主题可涉及一种用于生成由纸张产品制成的纸板产品的系统及方法，该纸张产品具有两个波纹状介质(有时称为波纹状凹槽)及至少一个压印介质(有时称为凸印凹槽)。由于此三种介质，此纸板产品有时可称为Triple WallTM纸板。纸板产品进一步可包含黏接至波纹状介质、凸印介质或两者的一个或多个面层(有时称为衬垫或壁)。一般而言，波纹状介质的特征可在于纸张产品展现由波纹化程序产生的凹槽，使得所产生的凹槽与纸张产品的机器方向垂直(或者至少不一致)。也就是说，波纹状介质在纸张的交叉方向上具有凹槽。凸印介质的特征可在于纸张产品展现由线性凸印程序产生的凹槽，使得所产生的凹槽与纸张产品的机器方向对齐。
当生成纸板产品使得波纹状介质及凸印介质黏接并在任一外侧表面上侧接面层时，所得纸板产品的特征优于仅使用波纹状介质的传统纸板产品。这是因为凸印介质是使用利用纸张产品机器方向的自然强度的线性凸印程序生成的。在相同纸板产品中具有交叉波纹状介质及线性凸印介质的基本概念的附加排列是可行的，包含在波纹状介质与凸印介质之间安置面层并在纸板产品之外壁一者或两者上具有面层。下文参考图1-5讨论本文公开的主题之各种实施例的此优点及附加方面。
在讨论各种实施例之前，提出了关于交叉波纹化及线性凸印的简要讨论。如上文已有简述，传统纸板产品包含传统生成的波纹状介质，例如交叉波纹状介质。交叉波纹状介质具有垂直于纸张产品的最下层纤维形成的凹槽。此会导致凹槽不与大多数下层纤维对齐，且因此不会利用纸张之MD值的自然强度(当与CD值比较时)。当要实现特定板强度时，此无法利用纸张的MD值会导致在制造纸板产品时失去机会。也就是说，必须花费更多纸张(较重的纸张、较大的凹槽等)来实现所需的纸板强度。
线性凸印介质与交叉波纹状介质的不同之处在于产生的凹槽与纸张产品的MD值对齐。这导致凹槽与大部分下层纤维对齐，且因此利用纸张MD值的自然强度(与CD值相比)。当要实现特定纸板强度时，利用纸张MD值可以提高纸板产品的制造效率。也就是说，必须花费较少的纸张(较轻的纸张、较小的凹槽等)来实现所需的纸板强度。在2016年3月22日提交的题为“用于借由相对于机器方凸印而在纸张产品中进行开槽之系统及方法(SYSTEM ANDMETHOD FOR INDUCING FLUTING IN APAPER PRODUCT BY EMBOSSING WITH RESPECT TOMACHINE DIRECTION)”的美国专利申请案第15/077,250号中更详细讨论制作、制造及使用线性凸印介质的各方面，该案全部内容为了所有目的以引用的方式并入本文。因此，出于简洁，不再赘述线性凸印介质的各方面，现在转而参考图1-5进行讨论。
图1是根据本文公开的主题的一个或多个实施例可为一个或多个纸板产品的部分的波纹状介质120的等距剖视图。此图展示可由如传统波纹化程序形成的波纹状介质120的等距视图。也就是说，借由在交叉波纹技术中使初始纸产品通过波纹化辊而形成凹槽121，使得凹槽121形成为与纸张产品的大部分下层纤维125垂直(例如，不一致)且与机器方向122不一致。如上文简要讨论，因为凹槽121在纸张的交叉方向上形成(例如，与大部分下层纤维125不一致)，所以交叉波纹状介质120不利用纸张产品在机器方向上的自然强度。
虽然未能在机器方向122上利用纸张的自然强度，但是图1的交叉波纹状介质120的生成相对便宜并且通过容易获得的行业波纹化机广泛生成。此波纹状介质120可为如下文参考图3所讨论的纸板产品的一组件/层。
图2是根据本文公开的主题的一个或多个实施例可为一个或多个纸板产品的部分的凸印介质130的等距剖视图。此图展示可由凸印程序形成的凸印介质130的一部分的等距视图。也就是说，借由使用线性凸印技术使初始纸张产品通过凸印辊而形成凹槽131，使得凹槽131形成为与纸张的大部分下层纤维125一致。凹槽131也形成为与机器方向122一致。线性凸印介质130在纸张的机器方向122上形成凹槽131(例如，与大部分底层纤维125一致)时会利用纸张在机器方向122上的自然强度。因此，线性凸印介质130利用纸张在机器方向122上的自然强度。此凸印介质130可为如下文参考图3所讨论的纸板产品的另一组件/层。
图3是根据本文公开的主题的实施例具有两个波纹状介质120及140以及至少一个凸印介质130的纸板产品100的分解等距剖视图。在此实施例中，纸板产品100包含五层：第一面层110、第一波纹状介质120、凸印介质130、第二波纹状介质140以及第二面层150。如所示，第一面层110可形成耦接至第一波纹状介质120的一侧的顶侧外壁(虽然与纸板产品100的对齐的顶部/底部方向参考是任意的)。耦接可通过施加至第一波纹状介质120的顶侧上的各凹槽的顶点的黏合剂，使得第一面层110被胶合至在其中施加黏合剂的第一波纹状介质120。在其他实施例中，可在耦接至第一波纹状介质120之前将胶施加至整个面层110。
同样地，第二面层150可形成耦接至第二波纹状介质140的一侧上的底侧外壁(再次，顶部/底部方向参考是任意的)。耦接可通过施加至第二波纹状介质140的底侧上的各凹槽的顶点的黏合剂，使得第二面层150被胶合至在其中施加黏合剂的第二波纹状介质140。在其他实施例中，可在耦接至第二波纹状介质140之前将胶施加至整个第二面层150。
进一步地，第一波纹状介质120及凸印介质130可以使用黏合剂彼此胶合。因为第一波纹状介质120之凹槽在交叉方向上对齐并且凸印介质130的凹槽在机器方向上对齐，所以此两种介质之间的接触点将位于相应凹槽的顶点的交叉处。以此方式，第一波纹状介质120及凸印介质130相对于彼此固定，因为黏合剂将一种介质直接固定在另一种介质上。类似地，第二波纹状介质140及凸印介质130也可使用黏合剂彼此黏合。第二波纹状介质140的凹槽也在交叉方向上对齐，并且此两种介质之间的接触点将位于相应凹槽的顶点的交叉处。以此方式，第二波纹状介质140及凸印介质130相对于彼此固定，因为黏合剂将一种介质直接固定在另一种介质上。
当装配且固定所有三种介质时，所得纸板产品100比传统纸板产品更坚固，因为线性凸印介质130利用了下层纸张产品的优异MD值。进一步地，三种介质可以侧接第一面层110及第二面层150。如图4中也可见，在装配时五个层具有凸印介质130，该凸印介质130具有与第一波纹状介质120及第二波纹状介质140的凹槽垂直(或者至少不一致)的凹槽。此导致附加的纸板强度，因为相应介质的凹槽相对于彼此垂直(或至少是不一致的)。未展示的其他实施例可包含三种介质及面层的任何组合，使得至少一种介质为波纹状介质120或140，并且至少一种介质为凸印介质130。
在图3所示的实施例中，波纹状介质120及140被展示为具有称为C形槽的凹槽轮廓。凹槽轮廓是详述凹槽的各种量值诸如凹槽高度、凹槽间距、每直线尺的凹槽数量等的一组标准化参数。其他标准化凹槽轮廓包括A形凹槽、B形凹槽、E形凹槽、F形凹槽及R形凹槽。因此，在此实施例中，波纹状介质120及140包含正弦曲线C形凹槽纹图样。进一步地，凸印介质130也展示为具有C形凹槽轮廓，但是，当然，凹槽相对于下层纸张的机器方向是线性的。凸印介质130也可具有不同的形状，因为凹槽轮廓的特征在于三角形图样。在未展示的其他实施例中，凸印介质130可具有与波纹状介质120不同的凹槽轮廓，诸如E形凹槽轮廓。
图4是根据本文公开的主题的实施例具有两个波纹状介质及至少一个压印介质的纸板产品的等距剖视图。此视图以装配形式展示图3的分解视图纸板产品100。
如已参考图3及图4所讨论，凸印介质130产生的凹槽与机器方向122一致。因此，纸张的下层长纤维125(图2)保持与凹槽方向对齐。使下层长纤维125(图2)与相应凹槽对齐导致凹槽与纸张的较大MD值对齐(当与CD值比较时)。交叉波纹化技术必然导致凹槽与纸张的CD值对齐。不同的是，线性凸印程序借由在机器方向上对齐凹槽来利用纸张之MD值。因此，凹槽产生的凸印程序允许在实现所得纸板产品(诸如纸板产品100)的特定强度时使用较少的总纤维。
具有线性凸印介质130的此纸板产品进一步提高了数个层级的效率，并成功重新调整了造纸商以及纸板/盒制造商的利益。首先，线性凸印允许造纸商在首次浇注至造纸机上的筛网上时忽略需要仔细控制纸浆纤维的对齐(或者说非对齐)的任何需要。为了改良交叉方向上的强度，造纸商可采用包含调浆箱的造纸机，该调浆箱在机器方向上削弱下层长纤维的自然对齐。通过线性凸印，减少或消除了对交叉方向上的改良强度的需要。因此，造纸商可专注于改良造纸机的速度。
其次，纸板制造商可以较少的纸板材料生成纸板产品。本文所讨论的线性凸印层130导致需要较少材料用于生产的开槽介质。也就是说，在传统波纹化机中，开槽介质所需的纸张大于面层部分所需的纸张(以线性方式)。因此，效率增益是双重的：借由在凹槽及面层两者上对齐MD值，用于制作波纹状纸板的整体纸张较少且所得纸板产品的强度更大。
如参考第1-4图所讨论的实施例具有展现正弦曲线形状凹槽的波纹状介质120及140。进一步地，凸印介质130被展示为具有三角形凹槽轮廓。然而，其他实施例可以包含用于任一种介质的凹槽的不同形状，包含锯齿形、梯形或任何曲线形状方式。接下来，参考图5的机器讨论图1-4的纸板产品的附加方面。
图5是根据本文公开的主题的实施例经配置以生成图3及图4的纸板产品100的机器400的各方面的图。在此实施例中，机器包含用于生成纸板产品的五个纸张进给辊410、420、430、440及450。此进给辊包含第一面层进给辊410、第一波纹状介质进给辊420、凸印介质进给辊430、第二波纹状介质进给辊440以及第二面层进给辊450。应注意，缠绕在波纹状介质进给辊420及440上的纸张是在波纹化之前且被缠绕在凸印介质进给辊430上的纸张是在凸印之前。各相应进给辊的纸张的重量及组成可不同并且专门针对相应目的而设计。
来自各卷的纸张可从各相应卷展开并且朝向经配置以将各层纸张组合在一起以形成所得纸板产品的组合器450进给。在各种实施例中，机器400中的进给辊的组合可与图5中所示不同。例如，如图5所展示的进给辊的配置可生成具有附加层的纸板产品。此附加层可为介质之间的一个或多个附加衬垫，使得可生成具有六层或七层的纸板产品。本领域技术人员可很好地理解纸板产品中的附加层，因此参考图5的讨论的其余部分专注于图3及图4的纸板产品的实施例。
在进入组合器450之前，来自进给辊的纸张的至少一些可通过用于将纸张形成为介质的台。如本文及本行业中所使用，介质可指已形成为具有凹槽的纸张的纸张产品。因此，第一波纹状介质进给辊420可将纸张进给至相对于彼此对齐的第一波纹化辊421a及第二波纹化辊421b中。当纸张离开第一波纹化台(例如，波纹化辊421a及421b)时，其变成如上文参考图1所讨论的第一波纹状介质120。然后第一波纹状介质120被进给至组合器450中以与其他材料组合。同样，第二波纹状介质进给辊440可将纸张进给至彼此对齐的第三波纹化辊441a及第四波纹化辊441b中。当纸张离开第二波纹化台(例如，波纹化辊441a及441b)时，其变成第二波纹状介质140。然后第二波纹状介质140被进给至组合器450中以与其他材料组合。
类似地，凸印介质进给辊430可将纸张进给至彼此对齐的第一凸印辊431a及第二凸印辊431b中。当纸张离开凸印台(例如，凸印辊431a及431b)时，其变成如上文参考图2所讨论的凸印介质130。然后凸印介质130被进给到组合器450中以与其他材料组合。
在生成图3的纸板产品的实施例中，使用诸如黏合、固化、润湿、干燥、加热以及化学处理等各种技术在组合器450中组合第一面层110、第一波纹状介质120、凸印介质130、第二波纹状介质140以及第二面层150。所得纸板产品100具有两个交叉波纹状介质120及140以及至少一个线性凸印介质130。
虽然本文讨论的主题易于进行各种修改及替代构造，但是其某些绘示的实施例在图式中展示并且已在上文有详细描述。然而，应理解，无意将权利要求限制于所公开的具体形式，正相反，旨在覆盖落入权利要求的精神及范畴内的所有修改、替代构造及等效物。

Claims (20)

1.一种纸板产品，其包括：
第一介质，其由具有机器方向及交叉方向的第一纸张形成，所述第一介质具有与所述第一纸张的所述机器方向对齐的一个或多个凹槽，其中，所述第一介质产生凹槽之后在交叉方向上的宽度等于所述第一介质产生凹槽之前在交叉方向上的宽度；
第二介质，其由具有机器方向及交叉方向的第二纸张形成，所述第二介质相对于所述第一介质固定且具有与所述第二纸张的所述交叉方向对齐的一个或多个凹槽；及
第三介质，其固定至所述第一介质。
2.根据权利要求1所述的纸板产品，其进一步包括黏合至所述第一介质的面层。
3.根据权利要求1所述的纸板产品，其进一步包括黏合至所述第二介质的面层。
4.根据权利要求1所述的纸板产品，其中所述第一介质直接黏合至所述第二介质。
5.根据权利要求1所述的纸板产品，其进一步包括黏合至所述第一介质且黏合至所述第二介质的面层，使得所述面层固定在所述第一介质与所述第二介质之间。
6.根据权利要求1所述的纸板产品，其中所述第一介质进一步包括通过凸印产生的凹槽。
7.根据权利要求1所述的纸板产品，其中所述第二介质进一步包括通过波纹化产生的凹槽。
8.根据权利要求1所述的纸板产品，其中所述第三介质由第三纸张形成，所述第三纸张具有机器方向及交叉方向，所述第三介质相对于所述第一介质固定且具有与所述第三纸张的所述交叉方向对齐的一个或多个凹槽，其中所述第三介质进一步包括通过波纹化产生的凹槽。
9.根据权利要求1所述的纸板产品，其中所述第一介质进一步包括具有对应于E形凹槽轮廓的尺寸的凹槽。
10.根据权利要求1所述的纸板产品，其中所述第二介质进一步包括具有对应于C形凹槽轮廓的尺寸的凹槽。
11.根据权利要求1所述的纸板产品，其中所述第一介质中的所述凹槽与所述第二介质中的所述凹槽不一致。
12.一种用于以改进结构制作纸板产品的方法，所述方法包括：
在机器方向上凸印第一纸张，所述凸印导致在所述机器方向上产生凹槽的凸印介质，其中，所述第一纸张产生凹槽之后在交叉方向上的宽度等于所述第一纸张产生凹槽之前在交叉方向上的宽度；
在交叉方向上使第二纸张波纹化，所述波纹化导致在所述交叉方向上产生凹槽的波纹状介质；
相对于所述波纹状介质固定所述凸印介质；及
相对于所述凸印介质及所述波纹状介质中的一个固定第三介质。
13.根据权利要求12所述的方法，其进一步包括将所述凸印介质直接黏合至所述波纹状介质。
14.根据权利要求12所述的方法，其进一步包括将所述波纹状介质黏合至第一面层的第一侧且将所述第三介质黏合至第二面层的第一侧。
15.根据权利要求12所述的方法，其进一步包括在交叉方向上使第三纸张波纹化，所述波纹化导致所述第三介质，所述第三介质在所述交叉方向上产生凹槽。
16.根据权利要求12所述的方法，其进一步包括将面层黏合至所述波纹状介质，使得所述面层被安置成与所述凸印介质隔开。
17.根据权利要求12所述的方法，其中所述凸印介质包括具有E形凹槽轮廓的凹槽且所述波纹状介质包括具有C形凹槽轮廓的凹槽。
18.一种机器，其包括：
第一纸张进给辊，其经配置以将纸张进给至波纹化台；
第二纸张进给辊，其经配置以将纸张进给至凸印台；
第三纸张进给辊，其经配置以将纸张进给至介质形成台；
至少一对波纹化辊，其经配置以使进给至所述波纹化台的所述纸张交叉波纹化以生成交叉波纹状介质；
至少一对凸印辊，其经配置以线性凸印进给至所述凸印台的所述纸张以生成线性凸印介质，其中，所述纸张产生凹槽之后在交叉方向上的宽度等于所述纸张产生凹槽之前在交叉方向上的宽度；
至少一对介质形成辊，其经配置以在进给至所述介质形成台的所述纸张中产生凹槽以生成第三介质；
用于将所述交叉波纹状介质及所述第三介质与所述线性凸印介质组合的台。
19.根据权利要求18所述的机器，其进一步包括：
第四纸张进给辊，其经配置以将第一面层进给至用于组合的所述台，使得所述第一面层黏合至所述交叉波纹状介质及所述第三介质中的一个；及
第五纸张进给辊，其经配置以将第二面层进给至用于组合的所述台，使得所述第二面层黏合至所述交叉波纹状介质及所述第三介质中的另一个。
20.根据权利要求18所述的机器，其进一步包括第四纸张进给辊，其经配置以将面层进给至用于组合的所述台，使得所述面层黏合至所述交叉波纹状介质且黏合至所述线性凸印介质。
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US20210323267A1 (en) 2021-10-21
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US20170305103A1 (en) 2017-10-26
MY190062A (en) 2022-03-24
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US11458702B2 (en) 2022-10-04
EP3445583A1 (en) 2019-02-27
KR102514470B1 (ko) 2023-03-30
JP2019514724A (ja) 2019-06-06
WO2017184447A1 (en) 2017-10-26
CN109311301A (zh) 2019-02-05
CL2018002990A1 (es) 2019-02-01
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US11027515B2 (en) 2021-06-08
EP3445583A4 (en) 2019-12-11
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