公开(公告)号：US09114597B1

公开(公告)日：2015-08-25

申请号：US14274001

申请日：2014-05-09

Applicant: Smead Manufacturing Company

Inventor： Harold Peter Lindelof ,  Marvin J. Halfen ,  David J. Gilbertson ,  Robert Scudder ,  Michael Goodson ,  Michael Hacker

IPC: B32B38/00 ,  B32B37/00 ,  B32B37/28 ,  B29C63/42

CPC classification number: B32B38/004 ,  B29C63/0069 ,  B29C63/42 ,  B29C63/44 ,  B32B37/00 ,  B32B37/28 ,  B32B38/0004 ,  B42F13/06 ,  Y10T156/1317 ,  Y10T156/1744

Abstract: A prong style file fastener and the method of manufacture is disclosed which has a protective element to prevent damage to paper documents and personal injury. In one embodiment, the prongs of the fastener are covered with a heat shrinkable sheath. In another, the prongs are overcoated with a powder coating which is melted thereon. A method of applying the sheath to the prongs uses a pair of jaws or V-shaped surface to drive the sheath onto the prongs.

Abstract translation: 公开了一种叉型文件紧固件和制造方法，其具有防止纸张文件损坏和人身伤害的保护元件。 在一个实施例中，紧固件的插脚被可热收缩的护套覆盖。 在另一种情况下，用分散在其上的粉末涂层覆盖该分叉。 将护套施加到插脚上的方法使用一对钳口或V形表面来将护套驱动到插脚上。