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US 4,580,320 AGranted
Button having plastic resin head
AssigneeScovill Japan Kabushiki Kaisha
InventorAkihiko Takata
Life of this patent
Estimating the term…
Abstract
A button comprising a button head of plastic resin formed with a cavity having an internally expanded portion, and a metallic leg piece including a generally disc-shaped base larger in diameter than the inlet of the cavity and at least one leg upstanding from the disc-shaped base, said base being fitted in the internally expanded portion through the narrow inlet of the cavity.
Claims10
An attaching button for attaching a fastener member to a fabric by the application of a mechanical force comprising:
- a button head of rigid polyester resin with an outer surface and an internal cavity having an inlet and an internally expanded surface, and
- a metallic leg piece comprised of a generally hollow base and at least one leg, said base being generally circuilar in cross section and having an outer periphery at least slight larger in diameter than the inlet of the cavity, said base having a first surface shaped to complement the internal surface of said cavity and a second generally flat annular surface, said at least one leg extending outwardly from said second base surface proximate the outer periphery thereof.
Dependencies are inferred from the claim text.