发明名称 Method of assembling a fastener
摘要 A round disk having a central aperture therein, such as the base of a shotgun shell or a facsimile thereof is utilized in the fabrication of a fastener, and a tubular member such as the sleeve of a primer is positioned through the aperture and formed into a fastening member. When an actual shotgun shell is utilized, the base is separated from the remainder of the shell, and the inner end of the shell primer is utilized to retain an external member which sandwiches a sheet of material such as fabric, leather or the like, therebetween. The shotgun shell type fastener may be utilized as a button, snap, decorative attachment or the like.
申请公布号 US4180899(A) 申请公布日期 1980.01.01
申请号 US19770823034 申请日期 1977.08.09
申请人 MIKOSINSKI, RONALD M 发明人 MIKOSINSKI, RONALD M
分类号 A44B1/44;(IPC1-7):B21D39/00;B23P11/00 主分类号 A44B1/44
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