| 摘要 |
A reusable badge is assembled by snapping a flanged concavo-convex lens of resilient sheet plastic material over the edge of a stiff but resilient backing plate with display material between them. The display material can be from a large sheet and sheared to size by the lens flange and backing plate as they are assembled. A press for assembling the components has an anvil with a centering boss that engages a hole in a clip secured to the backing plate. A hammer member presses the lens downwardly to snap its flange over the edge of the backing plate while flexing the edge of the backing plate slightly.
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