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    Process for manufacturing a composite material ladder and ladder obtained with said process
    3.
    发明申请
    Process for manufacturing a composite material ladder and ladder obtained with said process 失效
    用该方法制造复合材料梯子和梯子的方法

    公开(公告)号：US20020003062A1

    公开(公告)日：2002-01-10

    申请号：US09844536

    申请日：2001-04-27

    发明人： Alfonso Branca

    IPC分类号： E06C007/00

    CPC分类号： B29C65/02 ,  B29C66/112 ,  B29C66/114 ,  B29C66/12441 ,  B29C66/52441 ,  B29C66/72141 ,  B29C66/7392 ,  B29D12/00 ,  B29K2105/06 ,  B29K2105/0827 ,  B29L2009/00 ,  B29L2031/745 ,  E06C7/08

    摘要： A process for manufacturing ladders comprises the following steps: arranging a plurality of rungs (2) of a material comprising a plurality of reinforcing fibers (2a) associated with a binding resin (2b) and each having at least one coupling portion (2c); arranging at least one primary upright length (3), preferably of a material comprising a plurality of reinforcing fibers (3a) associated with a binding resin (3b); mechanically linking the coupling portions (2c) of the rungs (2) to corresponding engagement regions (3c) of the primary upright length (3). The linking step involves bringing at least one of the binding resins (2b, 3b) to the fluid phase at least close to the engagement regions (3c) and/or the coupling portions (2c). The binding resins (2b, 3b) are thermoplastic polymeric materials and the step of bringing the binding resins (2b, 3b) to the fluid phase takes place by melting of the binding resins (2b, 3b). The binding resins (2b, 3b) are chemically similar to each other and they are preferably identical with each other.

    摘要翻译： 一种制造梯子的方法包括以下步骤：将包括与粘合树脂（2b）相关联的多个增强纤维（2a）的材料的多个梯级（2）布置并且每个具有至少一个联接部分（2c）; 布置至少一个初级直立长度（3），优选地包括与粘合树脂（3b）相关联的多个增强纤维（3a）的材料; 将梯级（2）的联接部分（2c）机械地连接到主直立长度（3）的对应的接合区域（3c）。 连接步骤包括使粘合树脂（2b，3b）中的至少一种至少接近于接合区域（3c）和/或连接部分（2c）的流体相。 粘合树脂（2b，3b）是热塑性聚合物材料，并且通过熔化粘结树脂（2b，3b）将结合树脂（2b，3b）引入流体相的步骤。 粘合树脂（2b，3b）在化学上彼此相似，优选彼此相同。

    Modular step system and method for manufacture
    4.
    发明授权
    Modular step system and method for manufacture 失效
    模块化步骤系统及其制造方法

    公开(公告)号：US5400556A

    公开(公告)日：1995-03-28

    申请号：US899354

    申请日：1992-06-16

    申请人： James Favaron

    发明人： James Favaron

    IPC分类号： B29C51/10 ,  B29C51/12 ,  E04H4/14 ,  E04F11/00

    CPC分类号： B29C51/12 ,  E04H4/144 ,  B29C51/10 ,  B29L2031/745 ,  B29L2031/769

    摘要： A step system for swimming pools comprises a unitary stair module including a stair shell formed of plastic sheet material and a plurality of elongated rigidizing members which are encapsulated within the plastic sheet material of the stair shell, and support braces for supporting the unitary stair module. A method of manufacturing the unitary stair module of the step system is disclosed and comprises encapsulating each of the rigidizing members in the plastic sheet material of the stair shell by vacuum forming.

    摘要翻译： 用于游泳池的步骤系统包括一个单一的楼梯模块，包括由塑料片材料形成的楼梯壳体和被封装在楼梯壳体的塑料片材中的多个细长的刚性构件，以及用于支撑整体楼梯模块的支撑支架。 公开了一种制造台阶系统的整体楼梯模块的方法，包括通过真空成型将每个刚性构件封装在楼梯壳的塑料板材中。

    Lightweight composite ladder rail having supplemental reinforcement in regions subject to greater structural stress
    7.
    发明申请
    Lightweight composite ladder rail having supplemental reinforcement in regions subject to greater structural stress 审中-公开
    在具有更大结构应力的区域中具有补充钢筋的轻型复合梯轨

    公开(公告)号：US20060032705A1

    公开(公告)日：2006-02-16

    申请号：US10919420

    申请日：2004-08-16

    申请人： William Isham ,  Stephen Webber ,  James Llechty ,  A. Strong

    发明人： William Isham ,  Stephen Webber ,  James Llechty ,  A. Strong

    IPC分类号： E06C7/00

    CPC分类号： E06C7/08 ,  B29C43/003 ,  B29C43/3642 ,  B29C70/202 ,  B29C70/443 ,  B29C2043/3644 ,  B29K2105/0029 ,  B29K2105/0854 ,  B29L2031/06 ,  B29L2031/745

    摘要： A molding process, other than pultrusion, is used to manufacture composite ladder rails of non-uniform cross-sectional area and non-uniform strength throughout their lengths. Each ladder rail includes a structural fiber preform embedded in a cured polymeric resin. Fiberglass preforms are preferred because they are electrically non-conductive. Resin transfer molding processes, using either polyester or epoxy resins, are ideally suited for such manufacture. Vacuum-bagged, open-mold processes may also be used, as may be compression molding processes. Regions of the rails subject to greater stress during usage are strategically reinforced with additional structural fibers, and have greater cross-sectional area than regions subjected to lesser stress. The differential cross-sectional area permits the construction of ladders which are optimized for both strength and lightness of weight. Ladders of all types may be constructed with rails incorporating the invention.

    摘要翻译： 不同于拉挤成型的成型工艺用于制造整个横截面积不均匀的复合梯子轨道和其整个长度上的不均匀强度。 每个梯子轨道包括嵌入固化的聚合物树脂中的结构纤维预制件。 玻璃纤维预制件是优选的，因为它们是非导电的。 使用聚酯或环氧树脂的树脂传递模塑工艺非常适合这种制造。 也可以使用真空袋，开模工艺，可以是压缩成型工艺。 在使用过程中承受更大应力的轨道区域用额外的结构纤维进行战略性增强，并且具有比具有较小应力的区域更大的横截面面积。 差异横截面面积允许对强度和重量轻度进行优化的梯子的构造。 所有类型的梯子可以用包含本发明的轨道构成。

    Methods of manufacturing multi-material covers for ladder rail ends
    8.
    发明申请
    Methods of manufacturing multi-material covers for ladder rail ends 审中-公开
    用于梯轨端部制造多材料盖的方法

    公开(公告)号：US20040020582A1

    公开(公告)日：2004-02-05

    申请号：US10208132

    申请日：2002-07-30

    发明人： Paul R. Swiderski ,  Donald L. Gibson ,  Michael S. Gaynor ,  Eric V. Chevalier

    IPC分类号： B29C065/00 ,  E06C007/46

    CPC分类号： E06C7/46 ,  B29C37/0078 ,  B29C37/0082 ,  B29C37/0085 ,  B29C70/84 ,  B29L2031/745

    摘要： A method for making a cover for an end of a ladder rail is provided. In one form, the method comprising the steps of: using at least one material to make a shell; using at least one other material to make a tread; and bonding at least a portion of the tread with at least a portion of the shell. Preferably, the shell and the tread are bonded to one another during the manufacturing process such that the shell and tread need not be mechanically fastened to one another in a separate and additional step.

    摘要翻译： 提供了一种用于制造梯轨的端部的盖的方法。 在一种形式中，该方法包括以下步骤：使用至少一种材料制成壳; 使用至少一种其他材料制成胎面; 以及将所述胎面的至少一部分与所述壳的至少一部分接合。 优选地，外壳和胎面在制造过程中彼此粘合，使得外壳和胎面不需要在单独的附加步骤中彼此机械地相互固定。

    Ladder and method of construction
    9.
    发明授权
    Ladder and method of construction 失效
    梯子和施工方法

    公开(公告)号：US5427198A

    公开(公告)日：1995-06-27

    申请号：US839407

    申请日：1992-02-20

    申请人： Michael P. Walsh

    发明人： Michael P. Walsh

    IPC分类号： B29C65/00 ,  B29C65/48 ,  E06C7/08 ,  F16B11/00 ,  F16B17/00

    CPC分类号： F16B11/006 ,  B29C65/48 ,  B29C66/52241 ,  B29C66/52441 ,  B29C66/721 ,  B29C66/7212 ,  B29C66/742 ,  E06C7/087 ,  B29C66/71 ,  B29C66/7394 ,  B29C66/8322 ,  B29K2063/00 ,  B29K2105/06 ,  B29K2105/258 ,  B29K2705/02 ,  B29L2023/00 ,  B29L2031/745 ,  F16B17/004

    摘要： The present invention provides an article which incorporates a jointed component, preferably a ladder, that includes a first member, a suitably aligned internal annuli, a second member, and a setting medium. The first member is formed of hollow section channel and has at least one socket in the form of a hole formed therein. The internal annuli is disposed within the first member and has opened ends aligned with the hole and splines extending within the annuli. The annuli also includes at least one angled flange disposed at one end of the annuli for receiving a portion of the setting medium. The second member is engaged within the annuli. The second member has a sealed end and is adapted to snugly fit into the socket. The setting medium is disposed between the end of the second member and the first member and between at least a portion of the interface between the second member and annuli. The invention provides a unique and highly reliable jointing method applicable to non ductile materials and, in particular, to fiberglass.

    摘要翻译： 本发明提供了一种包括接合部件，优选梯子的制品，其包括第一部件，适当对准的内部环形部件，第二部件和固定介质。 第一构件由中空截面通道形成，并且具有形成在其中的孔的形式的至少一个插座。 内部环形设置在第一构件内并具有与孔对准的开口端和在环内延伸的花键。 所述环还包括设置在所述环的一端处的至少一个成角度的凸缘，用于接收所述固定介质的一部分。 第二个成员进入环境。 第二构件具有密封端并且适于紧贴地插入插座中。 设置介质设置在第二构件的端部和第一构件之间并且位于第二构件和环之间的界面的至少一部分之间。 本发明提供了一种适用于非延性材料，特别是玻璃纤维的独特且高度可靠的接合方法。