CN102803630B - 用于将热塑性型材附接到屋面膜的方法及双重熔接装置 - Google Patents

用于将热塑性型材附接到屋面膜的方法及双重熔接装置 Download PDF

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CN102803630B
CN102803630B CN201080065037.2A CN201080065037A CN102803630B CN 102803630 B CN102803630 B CN 102803630B CN 201080065037 A CN201080065037 A CN 201080065037A CN 102803630 B CN102803630 B CN 102803630B
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thermoplastic
mouth
hot air
profile strip
equipment
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CN102803630A (zh
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杨丽英
S·雷尔卡
Y·帕特尔
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Building Materials Investment Corp
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52Joining tubular articles, bars or profiled elements
    • B29C66/524Joining profiled elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/103Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined direct heating both surfaces to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
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    • B29C65/10Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/12Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined and welding bar
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
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    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/739General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B29C66/8362Rollers, cylinders or drums moving relative to and tangentially to the parts to be joined
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    • B29C66/00General aspects of processes or apparatus for joining preformed parts
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    • B29C66/8412Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions of different length, width or height
    • B29C66/84121Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions of different length, width or height of different width
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
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    • B29C66/843Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
    • B29C66/8432Machines for making separate joints at the same time mounted in parallel or in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
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    • B29C66/865Independently movable welding apparatus, e.g. on wheels
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00General aspects of processes or apparatus for joining preformed parts
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/73General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
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Abstract

本发明所公开的实施方案提供一种热塑性热熔接条的应用,用于将热塑性立缝型材熔接到热塑性屋面膜,并且提供牢固的附接而没有屋顶渗漏和型材/膜分离。此外,本文公开的实施方案提供一种用于热熔接热塑性材料的熔接附件或设备。在一个实施方案中,一种用于将热塑性型材条熔接到热塑性膜的设备包括第一嘴,所述第一嘴被配置来沿被放置在热塑性膜上的热塑性型材条的水平底座的第一纵向边缘的部分引导热空气。并且,这样的设备可以包括第二嘴,所述第二嘴被配置来沿所述热塑性型材条的相对的第二纵向边缘的部分引导热空气。再者,所述设备还可以包括管状分配器,所述管状分配器被配置来同时将热空气供应给所述嘴。

Description

用于将热塑性型材附接到屋面膜的方法及双重熔接装置
相关申请和优先权要求:本申请要求2009年12月31日递交的美国临时专利申请No.61/291,766的优先权,并且要求2009年12月31日递交的美国专利申请No.12/651,315的优先权,并且是2009年12月31日递交的美国专利申请No.12/651,315的部分继续申请。出于所有目的,这两个申请以及它们可以要求优先权的任何形式通过引用被全部并入本文。
技术领域
根据所公开的原理,公开了一种用于与热塑性屋面膜一起使用的熔接条附件,还公开了熔接热塑性材料的相关方法。
背景技术
热塑性屋面膜(例如聚氯乙烯(PVC)和热塑性聚烯烃(TPO))的市场认可度正在快速增加。热塑性立缝(standing seam)型材被设计来给别的普通的热塑性屋面膜增加美感。所述立缝型材热塑性屋顶组件类似具有真正防水性能、低安装成本、隔音以及抗冰雹优点的立缝金属屋顶。它可以被应用于宽的屋顶形状,尤其应用于弧形的屋顶安装。为了加强这样的屋顶的外观,热塑性立缝型材(SSP)已经有时通过粘合剂而有时通过施加热而被固定到所述热塑性膜,所有这些方式是手工完成的。其中一个关键的成功因素是热塑性立缝型材至热塑性膜的牢固的附接而没有屋顶渗漏。利用即剥即粘胶粘带是简单且快速的安装方法。然而,在遇到不平整的屋顶基板以及建筑移动时,长期的胶带附接是令人担忧的事。
为实施传统的屋面热熔接,利用热熔接机器或手持焊枪要求宽大的并且柔性的热塑性型材底缘(flange)。可替换的是使用定制的热熔接设备,所述热熔接设备具有克服中间直立型材并且将热塑性立缝型材熔接到热塑性屋面膜的装置。加热以永久地附接所述型材可能要求大型的并且笨重的熔接机。对于高度倾斜的屋顶,这尤其具有挑战性。并且,将要求盖屋顶的人以直线导向所述系统以达到良好的外观,与此同时,将所述型材保持在适当位置并且在倾斜屋顶上维持平衡。
挤出熔接是种手工熔接工艺,并且就其本身而言取决于操作者技能。不幸的是,手工施加条是耗费时间的并且是个劳动密集型的工艺,增加屋面成本并且降低了由选择热塑性屋面代替金属屋面而获得的成本优势。手工的施加还增加了出错的机会并且不利于创建直的和/或平行的和/或等间距的线。
挤出熔接机被设计来通过确保某些参数被精确地限定来使熔接质量最佳化,例如,熔接材料(挤出物)的温度、熔接材料的质量流率、用于基板预热的热气的温度以及热气的量。熔接的速度取决于所述挤出物的流率、材料厚度、缝的截面面积以及熔接靴(weldingshoe)的尺寸和设计。
本领域所需要的是快速的并且廉价的设备以及将热塑性条附接到热塑性屋面膜的方法。
发明内容
本文所公开的实施方案提供一种热塑性热熔接条的新颖且有成本效益的应用,用于将热塑性立缝型材和其他类似的材料熔接到热塑性屋面膜,并且提供牢固的附接而没有屋顶渗漏和型材/膜分离。
此外,本文所公开的实施方案提供一种熔接附件或设备,用于执行这样的热塑性材料热熔接。在一个实施方案中,用于将热塑性型材条熔接到热塑性膜的设备可以包括第一嘴,所述第一嘴被配置来沿被放置在热塑性膜上的热塑性型材条的水平底座的第一纵向边缘的部分引导热空气。并且,这样的设备可以包括第二嘴,所述第二嘴被配置来沿所述热塑性型材条的相对的第二纵向边缘的部分引导热空气。再者,所述设备还可以包括管状分配器,所述管状分配器被配置来同时将热空气供应给所述第一嘴和所述第二嘴。
在更具体的实施方案中,一种用于将热塑性型材条熔接到热塑性膜的设备可以包括第一嘴和第二嘴,所述第一嘴被配置来沿被放置在热塑性膜上的热塑性型材条的水平底座的第一纵向边缘的部分引导热空气,所述第二嘴被配置来沿所述热塑性型材条的相对的第二纵向边缘的部分引导热空气。附加地,这样的设备的这个实施方案可以包括管状分配器,所述管状分配器被配置来同时将热空气供应给所述第一嘴和所述第二嘴,其中所述第一和第二嘴还包括相应的导向结构,所述导向结构用于沿所述热塑性型材条的所述第一和第二边缘邻近同时接收所述热空气的所述第一和第二边缘的所述部分放置热塑性熔接条。
在其他方面,所述公开的原理提供用于将热塑性型材条熔接到热塑性膜的方法。在一个实施方案中,这样的方法可以包括将热塑性型材条放置在热塑性膜上,其中所述型材条具有纵向地延伸的水平底座以及第一纵向边缘和与所述第一边缘相对的第二纵向边缘,其中当所述型材条被放置在所述膜上时,所述热塑性膜靠近(in close proximity to)所述第一和第二纵向边缘。这样的示例性方法还可以包括沿所述第一纵向边缘的部分放置第一热塑性熔接条,并且沿所述第二纵向边缘的部分放置第二热塑性熔接条。更进一步地,所述方法可以包括沿所述第一纵向边缘的所述部分以及沿所述第二纵向边缘的所述部分同时引导热空气,所述引导与所述第一和第二热塑性熔接条的放置是同时进行的。在这样的实施方案中,所述热空气分别充分地熔化所述第一和第二边缘的所述部分以及所述第一和第二熔接条,以致嘴引导所述第一和第二熔接条的所述熔化了的部分并且使所述第一和第二熔接条的所述熔化了的部分成形为与所述第一和第二边缘的所述熔化了的部分和所述膜接触,由此将所述第一和第二边缘的所述部分以及所述第一和第二熔接条的部分热熔接到所述膜。再者,这样的方法还可以包括沿所述第一和第二边缘的剩余长度以及所述第一和第二熔接条的附加部分推进所述热空气,直到所述第一和第二边缘的整个长度被熔接到所述膜。
附图说明
图1是用于将热塑性型材条熔接到热塑性屋面膜的双重熔接机的实施方案的示意图。
图2A-2F是用于与分开的嘴部一起使用的热塑性型材条的各个实施方案的截面图。
图2G-2J是用于与分开的嘴部一起使用的熔接条的各个实施方案的截面图。
图3是与图1的所述熔接机一起使用的双重嘴实施方案的详细视图。
图4是用于与图1的所述双重熔接机一起使用的壳体的实施方案的详细视图。
图5是用于与图1的所述双重熔接机一起使用的嘴端部的实施方案的详细视图。
图5A是用于与图1的所述双重熔接机一起使用的嘴端部的实施方案的详细视图。
图5B是用于与图1的所述双重熔接机一起使用的嘴端部的实施方案的详细视图。
图5C是用于与图1的所述双重熔接机一起使用的嘴端部的实施方案的详细视图。
图6是用于与图1的所述双重熔接机一起使用的熔接条导向结构的实施方案的详细视图。
图7A是用于与所述双重熔接机的实施方案一起使用的压力柱的实施方案的示意图。
图7B是用于与所述双重熔接机的实施方案一起使用的压力柱的实施方案的示意图。
图7C是用于与所述双重熔接机的实施方案一起使用的压力柱的实施方案的示意图。
图8是用于将热塑性型材条熔接到热塑性屋面膜的双重熔接机的可替换的实施方案的示意图。
图9是用于将热塑性型材条熔接到热塑性屋面膜的双重熔接机的可替换的实施方案的示意图。
图10是用于将热塑性型材条熔接到热塑性屋面膜的双重熔接机的可替换的实施方案的示意图。
具体实施方式
图1示出用于将热塑性型材条200熔接到热塑性屋面膜的双重熔接机100的第一示例性实施方案。双重熔接机100包括分开的嘴部(split nozzle)300、熔接机平台400、熔接机驱动单元500、熔接条供给设备600。在所有附图中,相同的标号被使用来描述双重熔接机100的相似的部件。
图1A是熔接机平台400的侧视图。在一个实施方案中,熔接机平台400包括平台410和一个或更多个轮420。在一些实施方案中,具有一第一轮420a和一第二轮420b。在一些实施方案中,具有一对第一轮420a和一对第二轮420b。在一些实施方案中,所述对轮420a跨立于热塑性型材条200,而在其他的实施方案中,所述对轮420a不跨立于热塑性型材条200。在一些实施方案中,所述对轮420b跨立于热塑性型材条200,而在其他的实施方案中,所述对轮420b不跨立于热塑性型材条200。熔接机平台400由本领域技术人员定形并且定尺寸来支撑分开的嘴部300、熔接机500、熔接条供给设备600以及相关联的部件。熔接机500可以是用于在熔接热塑性屋面材料中使用的任何市场上可买到的熔接机,例如Leister Varimat V、Sarnafil Sarnamatic和Forsthoff Forplast热空气熔接机,但不限于此。熔接机平台400沿热塑性型材条200的长度移动分开的嘴部300和熔接机500。在示例性实施方案中,熔接机平台400支撑熔接机500和相关联的部件。在一些实施方案中,熔接机平台400还移动并且支撑熔接条供给设备600。在一些实施方案中,熔接机平台400可以是自推进的,而在其他实施方案中,熔接机平台400可以由操作者手工推进。
图2A-2F示出热塑性型材条200的各种截面,所述热塑性型材条被构想为通过使用所描述的分开的嘴部300来熔接到所述热塑性膜。从图2A至图2D是热塑性型材条200的截面轮廓。在一些实施方案中,热塑性型材条200的截面可以是立缝、木楞式缝或三角形的,但不限于此。在一些实施方案中,热塑性型材条200可以是空心的或实心的。图2E和图2F是热塑性型材条200的各种边缘的截面轮廓。在一些实施方案中,热塑性型材条200的所述边缘的截面可以是成角度的或锥形的,但不限于此。图2G到图2J是用于与所描述的分开的嘴部300一起使用的熔接条700的各个实施方案的截面轮廓。在一些实施方案中,熔接条700的截面可以是三角形的、圆形的、方形的或六边形的,但不限于此。在一些实施方案中,熔接条700可以是空心的或实心的。熔接条700可以由聚烯烃、PVC、聚碳酸酯、PET、尼龙、聚苯乙烯、ABS、共聚物、填充聚合物(填充物,例如滑石、CaCO3等)或任何其他合适的热塑性的或热固性的塑料制成,但不限于此。在一些实施方案中,熔接条700可以由融合在一起的两种非类似的同轴材料构成,其中经得起熔接的外层材料具有内部更硬的芯。在其他实施方案中,金属涂覆的条可以与熔接条700一起使用来提供强度。
参照图2A,热塑性型材条200的示例性实施方案优选地被生产成为一体形成的无缝热塑性件。热塑性型材条200的生产方法可以包括挤出、模制等。热塑性型材条200优选地包括直立(upstanding)中间部分205和相对的底部分(flange portion)215,所述中间直立部分沿所述型材条纵向地(lengthwise)延伸,所述相对的底部分从中间部分205横向地(widthwise)延伸。在一些实施方案中,相对的底部分215从中间部分205延伸从约0.5英寸至约1英寸的范围,并且在更具体的实施方案中可以为约5/8英寸。相对的底部分215的长度可以取决于需要被支撑的直立中间部分205的高度。在一些实施方案中,直立中间部分205的高度范围从约1英寸至约3英寸,更优选地从约2英寸至约2.5英寸。在更具体的实施方案中,直立中间部分205的高度为1.25英寸。与直立中间部分205和相对的底部分215相反的是底面210。在一个实施方案中,底面210为约3/4英寸。在其他实施方案中,底面210可以范围从约1/8英寸至约1英寸。在一些实施方案中,底面210可以用粘合剂涂覆。在一些实施方案中,直立中间部分205的上部分包括一体的钩状结构235。在示例性实施方案中,钩状结构235具有类似于倒置U的截面。在可替换的实施方案中,钩状结构235还可以包括边沿。
而且,热塑性型材条200可以由聚烯烃、PVC、聚碳酸酯、PET、尼龙、聚苯乙烯、ABS、共聚物、填充聚合物或任何其他合适的热塑性材料制成,但不限于此。更具体地,可以选择热塑性条200的具体组成,也许甚至与其所选择的截面轮廓设计相结合,来提供刚性型材条或柔性型材条。例如,示例性刚性型材条可以由热塑性烯烃构造而成,并且按照ASTM D790,可以具有比约70,000磅/平方英寸更大的弯曲模量。可替换地,示例性柔性型材条可以由热塑性烯烃构造而成,并且按照ASTM D790,可以具有比50,000磅/平方英寸更小的弯曲模量。再者,型材条200的截面设计可以与所述型材条的刚性相一致。例如,由于型材条200结构的实际设计提供较小刚性,图2A、图2C、图2E和图2F中的型材条200的设计可以针对更高的(例如,刚性的)弯曲模量数(modulus numbers)被更好地定制。相反地,由于型材条200的结构设计提供较多的刚性,图2B和图2D中的型材条200可以针对更低的(柔性的)弯曲模量数被更好地定制。然而,应当没有暗示对任何特定的截面设计和柔性模量范围有限制,并且每种应用可以具有不同的设计参数组合。
现参照图3-7,图3-7图示说明其他示例性实施方案,分开的嘴部300包括分配器305、一对嘴310、壳体320、宽度调节器330以及一个或更多个压力装置340,或其组合。分配器305优选地包括入口301和多个出口302。在一个实施方案中,分配器305被连接到熔接机500的所述出口。在一些实施方案中,分开的嘴部300的入口301被可转动地连接到熔接机500,以允许分配器305围绕z轴转动。在其他实施方案中,所述分配器还能相对于多轴转动。在示例性实施方案中,所述可转动的连接是包括转销的套接件,用于将分配器305放置到熔接机500的所述出口上,更优选地,所述套接件是带沟道的,以与熔接机500嵌套。连接熔接机500和分配器305的其他方法将会被本领域技术人员所理解。出口302优选地被连接到第一嘴310a和第二嘴310b。熔接机500将热空气提供给分配器305。分配器305将热空气供应给嘴310。嘴310从熔接机500将热空气供应给熔接条700、热塑性型材条200和所述热塑性屋面膜。
在示例性实施方案中,分配器305由管状组件(例如配件)制作而成。在可替换的实施方案中,分开的嘴部300是一体制作的管状组件。包括入口301和多个出口302的分开的嘴部300的尺寸确定将取决于第一嘴310a和第二嘴310b的尺寸确定,而第一嘴310a和第二嘴310b的尺寸确定将取决于热塑性型材条200。分配器305、入口301、出口302可以是任何尺寸,例如约1英寸、1.5英寸、2英寸或3英寸的直径,但不限于此。尽管分配器305、入口301、出口302被示出为具有圆形的截面形状,但它们可以为任何截面形状,例如方形的、矩形的或多边形的,但不限于此。
第一嘴310a和第二嘴310b基本上是相同的,因此将仅描述第一嘴310a。第一嘴310a包括入口303和出口304。入口303将被连接到分配器305的出口302中的一个。入口303可以是任何尺寸,例如约1英寸、1.5英寸、2英寸或3英寸的直径,但不限于此。在一些实施方案中,从入口303至出口304,第一嘴310a是锥形的并且如新月般。出口304将热空气流递送到熔接条700。在一些实施方案中,出口304基本上横向于(lateral to)热塑性型材条200。出口304的长度可以是任何尺寸,例如约0.5英寸、0.75英寸、1英寸或1.25英寸,但不限于此。出口304的高度可以是任何尺寸,例如约0.125英寸至约0.5英寸,但不限于此。出口304的形状会在熔接之后提供各种形状的熔接条700。出口304优选地被成形并且被定尺寸来在熔接之后提供三角形的或平滑的熔接条700熔接道。在一些示例性实施方案中,出口304为离垂直线约5°至约90°。在其他示例性实施方案中,出口304为离垂直线约45°。图5描绘了焊接之前的出口304和熔接条700。图5A、图5B和图5C描绘了出口304的形状以及在熔接之后所述出口生成的缝的类型的实施方案,所述缝的类型包括三角形的、弧形的或凹面的。出口304的截面优选地被成形来横过熔接条700提供热空气的平稳流。在一些实施方案中,出口304的高度可以是可调节的。
参照图6,在其他示例性实施方案中,第一嘴310a还可以包括管状导向结构306,所述管状导向结构用于将熔接条700提供到将热塑性型材条200和所述热塑性屋面膜熔接在一起的位置。在一些实施方案中,导向结构306接近出口304。在其他实施方案中,导向结构306将在离所述水平轴范围从约0°至约90°的角度α上,并且离垂直轴范围从约0°至约90°的角度β上。这些偏移确保熔接条700将被恰当地放置以进行熔接。在其他实施方案中,导向结构306是可选的,并且所述对轮420b可以被用来确保熔接条700将被恰当地放置以进行熔接。
在有优势的实施方案中,第一嘴310a和第二嘴310b分开一间隔,以将每个嘴310的出口304放置在热塑性型材条200的两边。在一些实施方案中,所述间隔还容纳壳体320、宽度调节器330和压力装置340。在示例性实施方案中,第一嘴310a和第二嘴310b由横过所述两个嘴310之间的所述间隔的宽度调节器330连接。在其他实施方案中,宽度调节器330是可选的。在一些实施方案中,宽度调节器330在基本上水平的位置被连接到第一嘴310a和第二嘴310b。在一些实施方案中,宽度调节器330被焊接到第一嘴310a和第二嘴310b。在其他实施方案中,宽度调节器330被螺纹连接到第一嘴310a和第二嘴310b上。在再其他的实施方案中,宽度调节器330是螺纹杆(threaded rod)334和轮336。在其他实施方案中,宽度调节器330是一弹簧。螺纹杆334在被连接到第一嘴310a和第二嘴310b之前优选地具有被螺纹连接在所述螺纹杆自身上的轮336。在一个实施方案中,轮336是有滚花的轮。螺纹杆334包括左端331和右端332。从轮336向外,左端331通过左手螺纹来螺纹连接并且被连接到分开的嘴部300的第一嘴310a,而右端332通过右手螺纹来螺纹连接并且被连接到第二嘴310b。左端331可以被螺纹连接或被焊接到分开的嘴部300的第一嘴310a,并且右端332可以被螺纹连接或被焊接到第二嘴310b。当从使用者站立面向轮336的角度来看,所述轮被顺时针转动时,腿部310被驱动而分开更远(图3B),而当轮336被逆时针转动时,嘴310被拉动而更靠近在一起(图3A)。壳体320优选地可转动地支撑一个或更多个压力装置340。在其他实施方案中,所述一个或更多个压力装置340是可选的。壳体320包括调节槽335,在所述调节槽处宽度调节器330允许在热塑性型材条200上施加压力,以确保所述热塑性屋面膜和热塑性型材条200之间的接触。调节槽335的长度可以范围从约1英寸至约2.25英寸。在一些实施方案中,调节槽335是成角度的,以允许宽度调节器330根据宽度调节器330所作的调节来上升或下降。在一些实施方案中,调节槽335的角度可以取决于壳体320的高度,并且可以范围从约0°至约45°。在一些实施方案中,宽度调节器330可以是能够调节第一嘴310a和第二嘴310b之间的距离的任何机构。在其他实施方案中,宽度调节器330是能够调节第一嘴310a和第二嘴310b之间的宽度的弹簧。
在示例性实施方案中,当发生熔接时,一个或更多个压力装置340是用于给热塑性型材条200施加压力的柱。在一些实施方案中,一个或更多个压力装置340被可转动地连接到壳体320。在一些实施方案中,使用被安装到壳体320上的转动轴支承的压力柱,一个或更多个压力装置340被可转动地连接到壳体320。在一些实施方案中,壳体320安置(rest)在穿过调节槽335的宽度调节器330上。在其他实施方案中,一个或更多个压力装置340被可转动地连接到第一嘴310a和第二嘴310b。压力装置340可以是会给密封所述熔接道提供足够压力而不会破坏热塑性型材条200或所述热塑性屋面膜的任何重量。在一些实施方案中,所述压力由调节槽335提供,并且不依赖于压力装置340的重量。压力装置340可以是钢、特氟隆或具有光滑表面以及低摩擦力的任何材料。在一些实施方案中,具有向前压力装置340a,所述向前压力装置位于(sit)宽度调节器330的前向。在其他实施方案中,还有向后压力装置340b,所述向后压力装置位于宽度调节器330的后向。压力装置340能够根据热塑性型材条200的高度被上升或下降。在一些实施方案中,调节槽335锁定在适当位置,并且经由在热塑性型材条200之上的压力装置340施加压力。参照图7,各种形状的压力装置340被构想来用于与双重熔接机100一起使用。压力装置340的形状可以是光滑的(图7)、锥形的(图7A)、阶梯式的(图7B)或带沟道的(图7C),但不限于此,并且将优选地被选择来与热塑性型材条200的截面互补以提供热塑性型材条200和压力装置340之间最佳的接触。在示例性实施方案中,压力装置340可以是自对准的。在其他实施方案中,随着分开的嘴部300横过热塑性型材条200的长度,所述一个或更多个压力装置340是能够给热塑性型材条200施加均匀压力的任何机构。
在一些实施方案中,熔接条供给设备600被连接到熔接机平台400。熔接条供给设备600包括一个或更多个熔接条700线轴、平衡物605和把手610。把手610可以包括纵向段615,所述纵向段将所述把手附接到熔接机平台400。把手610还可以具有横向段620,所述横向段用于在第一端625a上提供熔接条700线轴以及在相对的第二端625b上提供平衡物605。熔接条供给设备600可以是本领域技术人员所知的或制造的任何熔接条供给设备。熔接条供给设备600可以是能够将熔接条700提供给分开的嘴部300的导向结构306的任何供给设备。在一些实施方案中,平衡物605是可选的。在一些实施方案中,熔接条700由图1A的轮420b导向并且穿过导向结构306。
在一些实施方案中,当导引结构306被使用时,熔接条700可以在轮420b下从熔接条供给设备600被松弛地供给,或只是通过沿热塑性型材条200的长度铺设(lay)熔接条700。导向结构306在熔接条700如何沿热塑性型材条200的所述边缘被供给/被铺设到所述熔接部位方面允许更大的自由度。然而,如果导向结构306不被使用,那么在熔接机500沿热塑性型材条200被移动之前,熔接条700可以沿热塑性型材条200的长度被铺设。该操作可以用图1中示出的轮420来完成,或者在熔接机500沿热塑性型材条200被移动之前,熔接条700就可以沿热塑性型材条200的长度全部被铺设。
参照图8,在可替换的实施方案中,除了熔接条700被松弛地铺设并且因此不是如图1的实施方案示出的那样从熔接条供给设备600被供给之外,双重熔接机100类似于图1中示出的所述双重熔接机。在这样的实施方案中,由于所述热塑性熔接条可以沿所述型材条的所述纵向边缘被铺设,所述熔接机的所述嘴可以不包括上面讨论的所述导向结构。在其他方面,图8中图示说明的所述设备基本上是类似于图1中图示说明的所述实施方案的,并且如图1中图示说明的所述实施方案那样操作。
参照图9,在另一实施方案中,分开的嘴部300被附接到手持熔接机800。分开的嘴部300被连接到手持熔接机800的出口。在一些实施方案中,分开的嘴部300不具有壳体320、宽度调节器330或一个或更多个压力柱340。在一些实施方案中,根据被熔接的热塑性型材条200,所述操作者会选择具有适当宽度的分开的嘴部300。在一些实施方案中,分开的嘴部300可以不是转动地连接到手持熔接机800。手持熔接机800可以是本领域技术人员所知的任何手持熔接机。
参照图10,双重熔接机100的可替换的实施方案是一体式的分开的嘴部和熔接机900。在一些实施方案中,所述一体式的分开的嘴部和熔接机900是宽度可调节的、可转动的及其组合。在一些实施方案中,所述一体式的分开的嘴部和熔接机900是分开的嘴部300和手持熔接机800的所有特征的组合。在其他实施方案中,分开的嘴部300包括上面描述的所有所述特征及其组合。在再其他的实施方案中,所述一体式的分开的嘴部和熔接机900是具有分开的嘴部300而不具有壳体320和宽度调节器330的手持熔接机800的所有所述特征的组合。在一些实施方案中,分开的嘴部300可以关于所有轴线是可转动的。在进一步的实施方案中,分开的嘴部300包括宽度调节器330。一个或更多个压力装置340可以以基本上水平转动的方法被连接到第一嘴310a和第二嘴310b。熔接机平台400被修改来将所述一体式的分开的嘴部和熔接机900悬在热塑性型材边缘200之上,其中第一嘴310a和第二嘴310b在热塑性型材边缘200的两边。在一些实施方案中,所述一体式的分开的嘴部和熔接机900可转动地连接到熔接机平台400。熔接机平台400由把手610的附接而连接到熔接条供给设备600。把手610包括横向段620,所述横向段用于提供熔接条700线轴。熔接机平台400还可以包括驱动机构450,所述驱动机构将沿热塑性型材边缘200推进熔接机平台400及其相关联的部件,以进行熔接。熔接机平台400的平台410包括用于在所述平台上提供平衡物605的空间。
为了将热塑性型材条200熔接到所述热塑性膜,第一嘴310a和第二嘴310b可以如图1、图3、图7和图9所示地被定位。出口304和导向结构306通过使用被恰当定尺寸的分开的嘴部300或通过宽度调节器330的调节而被恰当地定位。熔接机500、800或900沿热塑性型材条200被推进,使得熔接条700熔化并且将热塑性型材200熔接到所述热塑性屋面膜。在一些实施方案中,熔接机500、800或900可以是自动地被推进的或者是由所述操作者或熔接机平台400手工推进的。
在一些实施方案中,在热塑性型材条200被熔接到热塑性屋面膜之前,热塑性型材条200可以使用粘合剂125以直的平行线被临时附接到热塑性屋面膜。
尽管根据所公开的原理的各个实施方案已在上面被描述,应当理解的是,各个实施方案仅已通过实施例的方式被提出,但不限于此。因此,本发明的宽度和范围不应当由任何上述的示例性实施方案限制,但应当仅根据权利要求书及从本公开得知的等同物来限定。再者,上面的优点和特征在被描述的实施方案中被提供,但不应将这样发布的权利要求的应用限制到实现任何或所有上述优点的工艺和结构。
此外,本文的段落标题是被提供来与37CFR 1.77的建议一致,或者用于提供本文的结构线索。这些标题不应限制或特征化可以从该公开公布的任何权利要求中所阐述的一个或多个发明。具体地并且以举例的方式,尽管标题指“技术领域”,这样的权利要求书不应被该标题下所选择的语言限制为描述所谓的技术领域。进一步,“背景”中的技术的描述不是要被解读为承认某项技术是该公开中的任意一个或多个发明的现有技术。“发明内容”也不是要被认为是在公布的权利要求书中所阐述的一个或多个发明的特征描述。另外,该公开中对单数的“发明”的任何引用不应被用于证明在该公开中仅有一个新颖点。根据从该公开公布的多个权利要求的限定,可以阐述多个发明,并且这些权利要求相应地定义了由其保护的一个或多个发明,以及它们的等同物。在所有例子中,这些权利要求的范围根据该公开按照这些权利要求本身的实质来理解,而不应被本文所陈述的标题限制。

Claims (24)

1.一种将热塑性型材条熔接到热塑性膜的方法,所述方法包括:
a)将热塑性型材条放置在热塑性膜上,所述型材条具有纵向地延伸的水平底座,以及第一纵向边缘和与所述第一纵向边缘相对的第二纵向边缘,其中所述热塑性膜靠近所述第一和第二纵向边缘;
b)沿所述第一纵向边缘的部分放置第一热塑性熔接条,并且沿所述第二纵向边缘的部分放置第二热塑性熔接条;
c)沿所述第一纵向边缘的所述部分以及沿所述第二纵向边缘的所述部分同时引导热空气,所述引导与所述第一和第二热塑性熔接条的放置同时进行,其中所述热空气充分地软化所述第一和第二纵向边缘的所述部分以及所述第一和第二熔接条,以致重力促使所述第一和第二纵向边缘的所述软化部分以及所述第一和第二熔接条的软化部分与所述膜接触,由此将所述第一和第二纵向边缘的所述部分以及所述第一和第二熔接条的所述部分热熔接到所述膜;以及
d)沿所述第一和第二纵向边缘的剩余长度以及所述第一和第二熔接条的附加部分推进所述热空气,直到所述第一和第二纵向边缘的整个长度被熔接到所述膜。
2.如权利要求1所述的方法,还包括在将所述热空气向所述部分的引导期间给所述型材条施加向下的压力。
3.如权利要求2所述的方法,其中,施加向下的压力的步骤包括在竖直中间部分上滚动压力滚子,所述竖直中间部分被侧面地连接到所述型材条的所述水平底座的上表面。
4.如权利要求3所述的方法,其中,在沿所述第一和第二纵向边缘的所述部分以及所述第一和第二熔接条的所述部分引导所述热空气之后,在所述型材条的所述竖直中间部分的顶部上滚动压力滚子的步骤立即发生。
5.如权利要求1所述的方法,其中,所述热塑性型材条主要地包括热塑性烯烃。
6.如权利要求5所述的方法,其中,所述热塑性熔接条主要地包括热塑性烯烃。
7.如权利要求5所述的方法,其中,按照ASTM D790,所述热塑性烯烃具有比约70,000磅/平方英寸更大的弯曲模量。
8.如权利要求5所述的方法,其中,按照ASTM D790,所述热塑性烯烃具有比约50,000磅/平方英寸更小的弯曲模量。
9.如权利要求1所述的方法,其中,所述放置的步骤还包括在将所述热空气引导到所述第一和第二纵向边缘之上和之下之前,将所述热塑性型材条粘附到所述膜。
10.如权利要求1所述的方法,其中,沿所述第一和第二纵向边缘的所述剩余长度以及所述第一和第二熔接条推进所述热空气是手工完成的。
11.如权利要求1所述的方法,其中,沿所述第一和第二纵向边缘的所述剩余长度以及所述第一和第二熔接条推进所述热空气是自动完成的。
12.如权利要求1所述的方法,其中,沿所述第一纵向边缘放置所述第一熔接条并且沿所述第二纵向边缘放置所述第二熔接条是借助相应的第一和第二导向结构手工完成的。
13.如权利要求1所述的方法,其中,沿所述第一纵向边缘放置所述第一熔接条并且沿所述第二纵向边缘放置所述第二熔接条是借助相应的第一和第二导向结构自动完成的。
14.一种用于将热塑性型材条熔接到热塑性膜的设备,所述设备包括:
a)第一嘴,所述第一嘴被配置来沿被放置在热塑性膜上的热塑性型材条的水平底座的第一纵向边缘的部分引导热空气;
b)第二嘴,所述第二嘴被配置来沿所述热塑性型材条的相对的第二纵向边缘的部分引导热空气;以及
c)管状分配器,所述管状分配器被配置来将热空气同时供应给所述第一嘴和所述第二嘴,其中所述第一和第二嘴还包括相应的导向结构,所述导向结构用于沿所述热塑性型材条的所述第一和第二纵向边缘邻近同时接收所述热空气的所述第一和第二纵向边缘的所述部分放置热塑性熔接条。
15.如权利要求14所述的设备,还包括:
d)一个或更多个压力滚子,在所述热空气被施加在所述热塑性型材条的所述第一纵向边缘和所述相对的第二纵向边缘之上和之下期间,所述一个或更多个压力滚子被可调节地连接到所述第一和第二嘴,并且被配置来相对于所述膜将所述热塑性型材条向下压。
16.如权利要求14所述的设备,还包括热空气供应器,所述热空气供应器将热空气供应给所述管状分配器。
17.如权利要求16所述的设备,其中所述第一和第二嘴被可转动地连接到所述热空气供应器。
18.如权利要求16所述的设备,还包括平台,所述平台用于支撑所述设备和所述热空气供应器。
19.如权利要求16所述的设备,其中,所述第一嘴和所述第二嘴之间的宽度是可调节的。
20.如权利要求17所述的设备,还包括用于将所述热塑性熔接条供给到所述导向结构的装置。
21.如权利要求17所述的设备,其中所述第一嘴和所述第二嘴是可调节地分开的。
22.如权利要求17所述的设备,其中所述导向结构中的每个在离所述设备的垂直轴约0度并且离所述设备的水平轴约90度的角度上。
23.如权利要求17所述的设备,其中所述导向结构被连接到所述第一和第二嘴的出口,所述第一和第二嘴的所述出口被引导来将所述同时的热空气提供给所述第一和第二纵向边缘的所述部分,其中所述导向结构的前端被配置来将所述热塑性熔接条直接供给到所述相应的出口前方,并且在所述相应的出口前方处所述第一和第二纵向边缘的所述部分邻近所述热塑性膜。
24.如权利要求23所述的设备,其中每个导向结构的纵轴的角度相对于每个导向结构的相应的出口是可调节的。
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