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1. 发明授权

US5711750A Reinforced expandable folders 失效
公开(公告)号：US5711750A
公开(公告)日：1998-01-27
申请号：US483925
申请日：1995-06-07
申请人： Duane Christensen , Theodore V. Kachel , Jonathan B. Rivlin , Robert E. Hawes, Jr. , Lee A. Boy , Setsuo Kanamoto , Eric R. Aaldenberg , John Heffernan , James J. Lynch , Cheryl Dellacroce-Steinberg
发明人： Duane Christensen , Theodore V. Kachel , Jonathan B. Rivlin , Robert E. Hawes, Jr. , Lee A. Boy , Setsuo Kanamoto , Eric R. Aaldenberg , John Heffernan , James J. Lynch , Cheryl Dellacroce-Steinberg
IPC分类号： B42F7/08 , B32B31/04 , B31F5/04
CPC分类号： B42F7/08 , Y10S493/918 , Y10S493/947
摘要： An expandable folder is provided which includes a front panel member, a rear panel member, and an expandable gusset which connects the panel members and forms the bottom and sides of the folder. Reinforcing means are provided upon critical or highly stressed locations to enhance the durability and useful life of the folder. Various types of reinforcement are provided about and, preferably, over the top of the gusset. The end portions of the gussets along the sides and, where applicable, the bottom, preferably have a width which is at least twice the width of the gusset folds. The outer surfaces of the inner front and rear panel members are also reinforced to strengthen the folder at least in the areas where the gusset is attached, and, for best results, on the entire outer surfaces of the panels.

2. 发明授权

US5161731A Reinforced expandable folder 失效
标题翻译：增强可扩展文件夹
公开(公告)号：US5161731A
公开(公告)日：1992-11-10
申请号：US748291
申请日：1991-08-21
申请人： Jonathan B. Rivlin , Lee A. Boy , Setsuo Kanamoto , Eric R. Aaldenberg , John Heffernan
发明人： Jonathan B. Rivlin , Lee A. Boy , Setsuo Kanamoto , Eric R. Aaldenberg , John Heffernan
IPC分类号： B42F7/00
CPC分类号： B42F7/00
摘要： An expandable folder is provided which includes a front panel member, a rear panel member, and a gusset member which connects peripheral portions of the bottoms of the front and rear panel members and at least a portion of the sides of the panel members to form the expandable folder. The gusset member includes a sheet having a plurality of accordion-like folds, with terminal folds of the sheet being wider than the other folds, and the terminal folds are connected to the front and rear panel members to enhance the connection therebetween. The expandable folder further comprises interior reinforcing strips positioned along at least part of the connection between the gusset member and panel members peripheral portion for preventing separation of the front and rear panel members from the gusset member when the folder is used. Reinforcing strips may also be provided along the top or corners of the gusset member or on outer peripheral portions of the panel members. In addition, the outer surfaces of the panel members may be coated with a polymer to increase the resistance of the folder to water penetration and to protect the folder from disfigurement.
摘要翻译：提供一种可扩展的文件夹，其包括前面板构件，后面板构件和角撑构件，所述角板构件连接前面板构件和后面板构件的底部的周边部分和面板构件的至少一部分侧面，以形成可扩展文件夹角撑构件包括具有多个折叠式褶皱的片材，片材的端部折叠比其他折叠宽，并且端子折叠件连接到前面板构件和后面板构件，以增强它们之间的连接。可扩张文件夹还包括沿着角撑构件和面板构件周边部分之间的连接的至少一部分定位的内部加强条，用于当使用该文件夹时防止前后面板构件与角撑构件的分离。还可以沿着角撑构件的顶部或角部或面板构件的外周部分设置加强带。此外，面板构件的外表面可以涂覆有聚合物，以增加夹具对水渗透的阻力并且保护夹具免受损坏。

3. 发明授权

US5720427A Reinforced expandable folders 失效
标题翻译：加强型可扩展文件夹
公开(公告)号：US5720427A
公开(公告)日：1998-02-24
申请号：US672296
申请日：1996-06-28
申请人： Theodore V. Kachel , Jonathan B. Rivlin , Robert E. Hawes, Jr. , Lee A. Boy , Setsuo Kanamoto , Eric R. Aaldenberg , John Heffernan , James J. Lynch , Cheryl Dellacroce-Steinberg , Duane Christensen
发明人： Theodore V. Kachel , Jonathan B. Rivlin , Robert E. Hawes, Jr. , Lee A. Boy , Setsuo Kanamoto , Eric R. Aaldenberg , John Heffernan , James J. Lynch , Cheryl Dellacroce-Steinberg , Duane Christensen
IPC分类号： B42F7/08 , B65D30/20
CPC分类号： B42F7/08 , Y10S493/918 , Y10S493/947
摘要： An expandable folder is provided which includes a front panel member, a rear panel member, and an expandable gusset which connects the panel members and forms the bottom and sides of the folder. Reinforcing means are provided upon critical or highly stressed locations to enhance the durability and useful life of the folder. Various types of reinforcement are provided about and, preferably, over the top of the gusset. The end portions of the gussets along the sides and, where applicable, the bottom, preferably have a width which is at least twice the width of the gusset folds. The outer surfaces of the inner front and rear panel members are also reinforced to strengthen the folder at least in the areas where the gusset is attached, and, for best results, on the entire outer surfaces of the panels.
摘要翻译：提供了一种可扩展的文件夹，其包括前面板构件，后面板构件和连接面板构件并形成文件夹的底部和侧面的可扩展角撑板。在关键或高应力位置提供增强装置，以增强文件夹的耐久性和使用寿命。围绕和优选地在角撑板的顶部上提供各种类型的加强件。角撑板的侧面的端部以及适用的底部的优选地具有至少是角撑板折叠宽度的两倍的宽度。内部前面板和后面板构件的外表面也被加强，以至少在角撑板附接的区域中加强夹具，并且为了获得最佳效果，在面板的整个外表面上。

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