CN110049867A - 用于防止溢出液体流入排水口或孔中的带有加强杆的耐用保护盖 - Google Patents
用于防止溢出液体流入排水口或孔中的带有加强杆的耐用保护盖 Download PDFInfo
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Abstract
公开了保护性排水口盖，其包括在一端或相对端处的加强构件，以在一个方向上增加刚度，同时在另一方向上保持柔性。在一个方向上增加刚度提高了处理和准确地定位保护性排水口盖以供使用的能力，而在另一方向上的柔性允许保护性排水口盖卷起以供储存和未来使用。所述加强构件可用作手持部，以帮助放置重型保护性排水口盖，然后在使用后移除保护性排水口盖。
Description
相关申请的交叉引用
本申请要求于2016年9月20日提交的美国临时申请号62/397,092的优先权，该临时申请通过引用并入本文。
技术领域
本发明涉及用于防止溢出液体流入排水口或孔中的带有加强杆的耐用保护盖。
背景技术
在名称为“用于防止溢出液体流入排水口或孔中的耐用保护盖”的美国专利号8,117,686中公开了便携式保护盖，该专利通过引用并入本文。虽然这些盖在防止液体流入排水口方面有很好的作用，但较重或较大尺寸的单元由于其宽度上缺乏刚度而难以处理和位置。它们的固有粘性也可能使得难以移除，因为没有便于用足够的力抓住保护盖来从排水口移除的特征。
发明内容
本发明提供了保护性排水口盖，其包括一端处或相对端处的加强构件，以在一个方向上增加刚度，同时在另一方向上保持柔性。在一个方向上增加刚度提高了处理和准确地定位保护性排水口盖以供使用的能力，而在另一方向上的柔性允许保护性排水口盖卷起以供储存和未来使用。所述加强构件可用作手持部，以帮助放置重型保护性排水口盖，然后在使用后移除保护性排水口盖。
在某些实施例中，保护性排水口盖包括从两个相对端部上的粘性密封层向外延伸的顶部覆盖层。延伸的顶部覆盖物的端部可包绕加强构件如中空管，并且固定回其自身上。顶部覆盖物可固定到自身，例如，通过拼接、胶合、粘合、热封、射频密封或超声密封。可将凹口或孔切割到延伸的顶部覆盖物中，以将露出加强构件以便形成手持部。每侧上的手持部可放置成分开18至30英寸(中心至中心)以便于舒适抓握。
在其它实施例中，保护性排水口盖包括放置或模制在粘性密封层内的加强构件。凹口或孔可放置在合并的耐用顶层和粘性密封层中以产生手持部。粘性密封层的厚度可能不适合大直径的加强构件，所以嵌入的加强构件可具有相对小的直径。为了提高手持舒适度，小直径加强构件可具有在手持区域中覆盖其的较大的管或包装。
本发明的一个方面在于提供一种用于可移除地安装在排水口上的耐用保护盖，该保护盖包括耐用背衬层和柔韧粘性密封层，其结构化并布置成阻挡溢出物进入排水口，其中保护盖具有在其至少一部分上延伸的第一加强杆。在某些实施例中，保护盖具有与第一端相对的第二端，第二端包括在其至少一部分上延伸的第二加强杆。
本发明的此方面和其它方面将从以下描述更加明显。
附图说明
图1是根据本发明的一个实施例的安装在排水口上方的保护盖的等距视图。
图2是图1的保护盖的部分断面俯视图。
图3是图1的保护盖的分解等距视图。
图4是根据本发明的另一个实施例的保护盖的分解等距视图。
图5是根据本发明的另一个实施例的保护盖的等距视图。
图6是根据本发明的一个实施例的保护盖的一部分的局部示意性侧截面图。
图7是根据本发明的另一个实施例的保护盖的一部分的局部示意性侧截面图。
具体实施方式
本发明提供一种耐用保护盖，其防止溢出物和/或其它不想要的液体流入排水口或孔中。通过保护盖防止液体的至少一部分流入排水口或孔中。溢出物或不需要的液体可为期望保持在排水口等外的任何可流动的材料，如危险液体、雨水、碳氢化合物、化学品、碎屑、污垢、垃圾等。如本文所用，术语“排水口或孔”是指需要防止溢出物或不需要的液体流动其的任何排水口、孔或其它开口，如通风口、井孔等。
图1-3示出了根据本发明的一个实施例的保护盖10。保护盖10包括上耐用背衬层12和下柔韧粘性密封层14。保护盖10安装在排水口16上。第一凹穴17设在保护盖10的一端，且第二凹穴18设在与第一端相对的保护盖的第二端处。两个手孔19设在保护盖10的第一端和第二端附近。第一加强杆22插入第一凹穴17中，并且第二加强杆23插入第二凹穴18中。第一加强杆22和第二加强杆23在手孔19的区域中暴露，但其它分别位于第一凹穴17和第二凹穴18的内部。在示出的实施例中，保护盖10包括两个加强杆22和23；然而，应当理解，在某些实施例中，可使用仅一个加强杆。
如图2和3中最清楚地示出，加强杆22和23中的每一个可提供为两个单独的件，其间具有间隙G。根据该实施例，两件式加强杆设计允许在期望的情况下将保护盖10沿长度方向折叠以便运输和存储目的。间隙G可足够大以允许折叠保护盖10。例如，间隙G可大于或等于第一加强杆22和第二加强杆23的直径。在其它实施例中，可消除间隙，并且每个加强杆22和23可作为单件提供。
加强杆22和23中的每一个可由任何合适的材料制成，如实心或中空金属或塑料，如PVC、实木，等。第一加强杆22和第二加强杆23可具有任何合适的直径，例如0.1至1.5英寸，或0.2至1英寸，或0.25至0.75英寸。第一加强杆22和第二加强杆23可通过任何合适的方式固定在其相应的凹穴17和18内，如常规的粘合剂、机械紧固件，等。
图4示出了保护盖10的备选实施例，其中使用诸如铆钉、搭扣或螺钉的机械紧固件25形成第一凹穴17和第二凹穴18。如图所示，上耐用背衬层12折叠到自身以形成第一凹穴17和第二凹穴18，并且紧固件25用于牢固地保持凹穴。
图5示出了根据本发明的一个实施例的带有备选加强杆布置的保护盖10。具有相对小直径的第一加强杆122邻近保护盖10的第一边缘定位，并且具有相对小直径的第二加强杆123定位在保护盖10的第二端处。中空圆筒126安装在第一加强杆122上，并在手孔19的区域中形成柄部。类似地，圆柱形构件127安装在第二加强杆123上以在保护盖10的第二端部处的手孔区域中提供柄部。第一加强杆122和第二加强杆123可通过任何合适的方式固定到保护盖10，如层压在保护盖10的层之间，由此端部凹穴(未示出)类似于图1至图4的实施例中所示的那些。第一加强杆122和第二加强杆123可具有0.1至0.4英寸的典型直径，并且可由诸如实心金属、塑料或木材的任何合适的材料制成。第一圆柱形柄部构件126和第二圆柱形柄部构件127可具有的典型直径为0.2至1.5英寸，并且可由任何合适的材料制成，如中空塑料或金属。
图6是根据本发明的一个实施例的保护盖10的等距截面图。保护盖10包括耐用背衬层12和覆盖耐用背衬层12下侧的至少一部分的柔韧粘性密封层14。低密度粘合层20设在耐用背衬层12与柔韧粘性密封层14之间。如所示的保护盖10的形状大体上是正方形，然而可使用任何其它合适的形状，如矩形、圆形，等。
如图1所示，保护盖10可定位成用于安装在排水口16上方，以防止不需要的液体进入排水口。保护盖10粘附到包绕排水口16的表面，形成密封，该密封足以防止至少一些液体流过保护盖10。即使当包绕排水口的表面不平滑时，密封层14也产生有效的密封。保护盖10可用来覆盖几乎任何类型的排水口或孔16，只要保护盖10的柔韧粘性密封层14的至少一部分尺寸设定成延伸超过排水口16的尺寸并围绕其形成足够的密封。在一个实施例中，保护盖10可定位在相对较大的面积上，例如，至少1平方英尺到至少25平方英尺或更大。在另一个实施例中，保护盖10可以以带形式提供，以用于覆盖排水口的一部分或围绕排水口的区域以充当堤坝或溢出物分流器。
耐用背衬层12可具有约1英尺至约10或12英尺的长度和约1英尺至约10或12英尺的宽度。第一加强杆和第二加强杆的长度可类似于耐用背衬层的宽度。密封层14可具有约1英尺至约10或12英尺的长度和约1英尺至约10或12英尺的宽度。例如，定位在排水口16上方的保护盖10可具有的背衬层长度和宽度和密封层长度和宽度比排水口16的长度和宽度大2或3英寸。
耐用层12和柔韧粘性密封层14两者将抵抗水、油和许多化学品，使得保护盖10适合在许多类型的工作环境中使用，包括危险工作环境。保护盖10易于重复使用，并且易于用肥皂和水清洁。
如图6所示，低密度粘合层20可设在柔韧粘性密封层14与耐用背衬层12之间。如本文所用，术语“低密度粘合层”意指具有至少一个表面的长毛绒或蓬松材料，其包括从层延伸的缠结纤维，以为相邻的耐用背衬层12和/或柔韧粘性密封层14提供额外的表面积和附接地点。低密度粘合层20具有通常小于0.26盎司每立方英寸，优选0.02到0.1盎司每立方英寸的密度。低密度粘合层20具有至少0.01英寸，例如，0.02到0.25英寸的典型厚度。在一个实施例中，厚度为0.04至0.06英寸。低密度粘合层20通常具有小于20盎司每平方码的重量，例如，1到10盎司每平方码。低密度粘合层20在耐用背衬层12与柔韧粘性密封层14之间提供牢固且永久性附接，同时保持相邻层12和14的材料之间的分离。与将允许层12和14彼此接触的开放网格或可渗透筛网材料相比，低密度粘合层20保持层12和14之间的分离。
低密度粘合层20可为非织造的，并且可包括由聚酯、聚丙烯、聚(乙烯丙烯)、聚氯乙烯、玻璃纤维、尼龙、棉、聚氨酯等制成的缠结纤维。在一个实施例中，低密度粘合层20包括基底或背衬层，缠结纤维在背衬层的一侧或两侧上从其延伸。例如，低密度粘合层20可包括由聚酯制成并具有0.055英寸厚度的绒毛。绒毛有助于柔韧粘性密封层14粘附到耐用背衬层12。嵌入的绒毛层还可提供穿刺阻力，例如，当保护盖用于暴露于车辆交通的排水口时。因此，可能在保护盖上行驶。
耐用背衬层12是液体不可透过的，并且由柔性和耐用材料制成。耐用背衬层12可具有比粘性密封层14的拉伸强度高至少25％的拉伸强度。在一个实施例中，保护盖10具有足够的耐用性以在定位在排水口上方时由工业车辆驶过。保护盖10还耐用到足以承受盖上的步行交通。耐用背衬层12可包括任何合适的材料，如天然橡胶、合成橡胶、丁腈橡胶或塑料，如热塑性烯烃、聚氯乙烯、氯磺化聚乙烯等。在一个实施例中，耐用背衬层12可为复合材料。复合材料的实例包括层压到塑料膜的橡胶、层压到网格的塑料膜、层压到网格的橡胶以及它们的组合。耐用背衬层12的厚度通常在0.01至0.25英寸的范围内。
柔韧粘性密封层14是柔性且粘性的，使得其符合溢出表面中的不规则性或粗糙度，并且粘附到围绕排水口的表面，从而在层14与表面之间提供减少或消除溢出液体流的密封。柔韧粘性密封层14由与耐用背衬层12不同的材料制成。柔韧粘性密封层14可包括诸如尿烷、聚氨酯、聚氯乙烯和/或硅氧烷的材料。柔韧性粘性层14可具有如通过硬度计测得的硬度，比耐用背衬层12的硬度小至少10％。在一个实施例中，柔韧粘性密封层具有小于30肖氏硬度A的硬度计硬度。柔韧粘性密封层14也可为步行交通提供冲击吸收，并且由于其粘性表面而可用于将保护盖保持在其期望的位置中。柔韧粘性密封层14可包括固有粘性材料或可具有施加到任何暴露表面的标准增粘剂。柔韧粘性密封层14可具有粘性，使得其粘附到围绕排水口或孔的表面以防止液体流进入排水口。在一个实施例中，柔韧粘性密封层14具有足够的粘性，使得密封层在压抵垂直壁时粘附。密封层14的粘性还可通过本领域技术人员已知的其它测试方法测量，例如滚球、剥离和探针测试。柔韧粘性密封层14具有0.01到2英寸的典型厚度，例如，0.1到0.5英寸。
在一个实施例中，可使用各种聚氨酯的混合物来制造密封层14。典型的聚氨酯混合物包含约50重量％至约80重量％的多元醇，以及约20重量％至约50重量％的异氰酸酯。液体聚氨酯以其为聚氨酯材料的所有暴露表面提供中等程度的固有粘性的方式混合和固化。模塑和固化工艺产生基本上平滑的暴露表面，其可能含有微小波纹。聚氨酯材料柔软，仍然有弹性，并且因此可容易地由用户使用刀具切断。当其一部分被切断时暴露的聚氨酯材料的表面也可为本质上粘性的。虽然上文描述了针对制造具有固有粘性的聚氨酯的工艺，但所属领域的技术人员将了解，其它材料(例如，如乙烯、硅氧烷和橡胶)也可改性以具有固有粘性。
在一个实施例中，低密度粘合层20可在其固化或冷却之前通过热空气辊层压或接触耐用背衬层12来沉积在耐用背衬层12的表面上，使得Z方向上的纤维或凸起或低密度粘合层中的开口或空隙至少部分嵌入耐用背衬层12内。一旦低密度粘合层的纤维嵌入或以其它方式粘附到耐用背衬层12，则柔韧粘性密封层14就可施加到包括低密度粘合层20的耐用背衬层12的暴露表面。当柔韧粘性密封层14固化或冷却时，低密度粘合层20改善耐用背衬层12与柔韧粘性密封层14之间的粘附。
根据本发明的一个实施例，保护盖不包括背衬层12、柔韧粘性密封层14或低密度粘合层20中或附近的任何类型的额外增强层。已经发现这种非增强保护盖具有足够的用于延长使用的耐用性，同时仍保持足够的柔韧性和相对轻的重量，以便于在各种类型的溢出地点安装和移除。
图7示出了类似于图6所示的盖的耐用保护盖110，只是耐用背衬层112由粘合剂层118固定到低密度粘合层20和柔韧粘性密封层14。粘合剂层118可包括任何合适的粘合剂，如包含聚乙烯、聚丙烯、苯乙烯丁二烯橡胶、苯乙烯、尼龙等的热熔粘合剂。例如，粘合剂层可包括厚度为约0.002英寸的聚乙烯。
本发明的耐用保护盖在排水口周围形成有效的密封，大体上是轻量的，并且甚至对于大型排水口也能够快速且容易地实现。耐用保护盖是易于重复使用的并且可运输的，并且可快速地实施以在紧急情况下密封排水口和/或孔。保护盖可实施成与各种不同类型和尺寸的排水口和/或孔一起使用，并且在排水口/孔周围形成紧密密封，以阻挡不想要的液体进入排水口或孔。保护盖还可以以条状形式提供，该条状形式可围绕排水口的周边或其它区域安装以充当堤坝或溢出物分流器。保护盖还可用作暴露于步行交通的区域或者在人站立大量时间的区域中的抗疲劳垫，在这种情况下，柔韧粘性密封层提供冲击吸收并将盖保持在其期望的位置，同时耐用层抵抗由步行交通和碎屑引起的撕裂、磨损和刺穿。
如本文所用，“包括”、“包含”和类似术语在本申请的背景下理解为与“包括”同义，且因此开放式且不排除存在额外未描述或未列举的元素、材料、阶段或方法步骤。如本文所用，“由……组成”在本申请的上下文中理解为排除任何未指定元素、材料、阶段或方法步骤的存在。如本文所用，“基本上由…组成”在本申请的上下文中理解为包括指定元素、材料、阶段或方法步骤，在适用的情况下，并且还包括不会实质上影响本发明的基本或新颖特征的任何未指明元素、材料、阶段或方法步骤。
在本申请中，使用单数包括复数，并且复数包括单数，除非另有明确说明。此外，在本申请中，除非另有明确说明，否则使用“或”意指“和/或”，即使在某些情况下也可明确使用“和/或”。在本申请和所附权利要求书中，除非明确且明显地限于一个对象，否则冠词“一个”、“一种”和“该”包括复数对象。
虽然上文出于说明目的已描述本发明的特定实施例，但是对于所属领域的技术人员来说，可在不脱离如所附权利要求书中限定的本发明的情况下进行本发明的细节的许多变化。
Claims (20)
1.一种用于可移除地安装在排水口上的耐用保护盖，其包括：
耐用背衬层；以及
柔韧粘性密封层，所述柔韧粘性密封层结构化并布置成阻止溢出物进入所述排水口，
其中所述保护盖具有第一端，所述第一端包括在其至少一部分上延伸的第一加强杆。
2.根据权利要求1所述的保护盖，其还包括与所述第一端相对的第二端，所述第二端包括在其至少一部分上延伸的第二加强杆。
3.根据权利要求2所述的保护盖，其中所述第一加强杆至少部分地位于沿所述保护盖的所述第一端延行的第一凹穴内，并且所述第二加强杆至少部分地位于沿所述保护盖的所述第二端延行的第二凹穴内。
4.根据权利要求3所述的保护盖，其中所述第一加强杆和所述第二加强杆通过粘合剂固定在所述第一凹穴和所述第二凹穴内。
5.根据权利要求3所述的保护盖，其中所述第一加强杆和所述第二加强杆中的每一个的一部分暴露在所述第一凹穴和所述第二凹穴的外部以提供柄部。
6.根据权利要求5所述的保护盖，其中所述保护盖包括与所述第一加强杆和所述第二加强杆的暴露部分相邻的区域中的切出开口。
7.根据权利要求2所述的保护盖，其中所述第一加强杆包括两个件，并且所述第二加强杆包括两个件。
8.根据权利要求7所述的保护盖，其还包括在所述第一加强杆的两个件之间的间隙，以及在所述第二加强杆的两个件之间的间隙。
9.根据权利要求8所述的保护盖，其中所述间隙大于或等于所述第一加强杆和所述第二加强杆的直径。
10.根据权利要求2所述的保护盖，其中所述第一加强杆和所述第二加强杆具有0.1至1英寸的直径。
11.根据权利要求2所述的保护盖，其中所述第一加强杆和所述第二加强杆具有1至10英尺的长度。
12.根据权利要求1所述的保护盖，其中所述耐用背衬层具有至少1英尺的长度和至少1英尺的宽度。
13.根据权利要求1所述的保护盖，其中所述耐用背衬层具有约0.01至约0.25英寸的厚度，并且包括天然橡胶、合成橡胶、丁腈橡胶、热塑性烯烃、聚氯乙烯和/或氯磺化聚乙烯。
14.根据权利要求1所述的保护盖，其中所述柔韧粘性密封层具有至少1英尺的长度和至少1英尺的宽度。
15.根据权利要求1所述的保护盖，其中所述柔韧粘性密封层具有0.01至2英寸的厚度并且具有小于30肖氏硬度A的硬度计硬度。
16.根据权利要求1所述的保护盖，其中所述柔韧粘性密封层包括尿烷、聚氨酯、聚氯乙烯和/或硅氧烷。
17.根据权利要求1所述的保护盖，其中所述保护盖还包括在所述耐用背衬层与所述柔韧粘性密封层之间的低密度粘合层。
18.根据权利要求17所述的保护盖，其中所述低密度粘合层具有至少0.01英寸的厚度。
19.根据权利要求1所述的保护盖，其中所述低密度粘合层包括缠结纤维，所述缠结纤维包括聚酯、聚丙烯、聚(乙烯丙烯)、聚氯乙烯、玻璃纤维、尼龙、棉和/或聚氨酯。
20.根据权利要求1所述的保护盖，其还包括在所述低密度粘合层与所述耐用背衬层之间的粘合剂层。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662397092P | 2016-09-20 | 2016-09-20 | |
| US62/397,092 | 2016-09-20 | ||
| PCT/US2017/052402 WO2018057561A1 (en) | 2016-09-20 | 2017-09-20 | Durable protective covers with stiffening rods for preventing spilled liquids from flowing into drains or holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110049867A true CN110049867A (zh) | 2019-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780057432.8A Pending CN110049867A (zh) | 2016-09-20 | 2017-09-20 | 用于防止溢出液体流入排水口或孔中的带有加强杆的耐用保护盖 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10272649B2 (zh) |
| EP (1) | EP3515701B1 (zh) |
| JP (1) | JP6957609B2 (zh) |
| CN (1) | CN110049867A (zh) |
| AU (1) | AU2017332137B2 (zh) |
| CA (1) | CA3037399A1 (zh) |
| WO (1) | WO2018057561A1 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3037399A1 (en) * | 2016-09-20 | 2018-03-29 | New Pig Corporation | Durable protective covers with stiffening rods for preventing spilled liquids from flowing into drains or holes |
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2017332137B2 (en) | 2020-10-22 |
| JP6957609B2 (ja) | 2021-11-02 |
| US10272649B2 (en) | 2019-04-30 |
| EP3515701B1 (en) | 2020-07-15 |
| US20180079182A1 (en) | 2018-03-22 |
| AU2017332137A1 (en) | 2019-04-04 |
| CA3037399A1 (en) | 2018-03-29 |
| EP3515701A1 (en) | 2019-07-31 |
| JP2019529180A (ja) | 2019-10-17 |
| WO2018057561A1 (en) | 2018-03-29 |
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