Soft hammer will not mar or distort work piece. Aluminum casing, made from aluminum tube, reduces flaring and flaking of lead. Lead can be melted out and recast to refurbish hammer when necessary. Hammer would replace plastic, lead, and aluminum soft hammers currently used widely in industry.
Aluminum-encased lead mallet
NASA Tech Briefs ; 5 , 1
1980-08-01
Miscellaneous
No indication
English
SLUB | 2003
|Mallet compound freight locomotive
Engineering Index Backfile | 1907
Engineering Index Backfile | 1943
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Engineering Index Backfile | 1929