Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1989-08-08
1990-04-17
Moon, Charlie T.
Metal working
Method of mechanical manufacture
Assembling or joining
29177, 29798, 264249, 428139, B23P 1100
Patent
active
049167987
ABSTRACT:
Applique or similar object is simultaneously formed and affixed to a baseplate by juxtaposing a plate of contributing material adjacent the baseplate and forcing a punch entirely through the contributing material to shear the object from the plate of contributing material. The object, in turn, shears a slug from the baseplate, which is positioned against a die opening, forming an opening in the baseplate in which the object is retained by interference fit. The method may be used to affix objects from a contributing material that is either harder than or softer than the baseplate material.
REFERENCES:
patent: 3015884 (1962-01-01), Chamberlain
patent: 3130489 (1964-04-01), Schlage
patent: 3180009 (1965-04-01), Lenz
patent: 3202851 (1965-08-01), Zimmerle et al.
patent: 3266452 (1966-08-01), Taylor
patent: 3729804 (1973-05-01), Middleton
patent: 3768144 (1973-10-01), Heinss
patent: 3791016 (1974-02-01), Eberhardt et al.
patent: 3798730 (1974-03-01), Morf
patent: 4306511 (1981-12-01), Ashby et al.
"Comparison of Clearances and How They Affect Punch Hole Characteristics," Pivot Punch Corp. Catalog 1000, p. 49 (1/1986) (Entire Catalog submitted).
Moon Charlie T.
Toering Jack
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