Metal deforming – With cutting – By composite tool
Patent
1977-09-06
1978-10-31
Lanham, C.W.
Metal deforming
With cutting
By composite tool
72705, B21D 112, B21D 3102
Patent
active
041226992
ABSTRACT:
A sheet metal dent removing tool for attachment to an impacting device, the tool tapering to a metal piercing tip and having a narrow side with opposite convex surfaces converging at their edges to form metal shearing ridges. The ridges, forming the outline of the broad side of the tool, are joined to a neck portion by rearwardly converging shoulders so that when the tool has penetrated the metal and is rotated 90.degree. about its axis, the shoulders lock the tool to the metal whereby the impacting device can be used to pull the dented area back to its initial shape.
REFERENCES:
patent: 2684852 (1954-07-01), Romeka
patent: 2816765 (1957-12-01), Stockfleth
patent: 2934984 (1960-05-01), Woodman
patent: 2949144 (1960-08-01), Dredske et al.
patent: 3577881 (1971-05-01), Markovics
Crowe John H.
Gurley D. M.
Lanham C.W.
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