Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1979-07-25
1981-03-03
Moon, Charlie T.
Metal working
Method of mechanical manufacture
Assembling or joining
29509, 29522R, 24208A, 264249, B23P 1100
Patent
active
042532264
ABSTRACT:
A base with a central aperture and a post having an axially outwardly open hollow-tipped stem are mounted on a supporting sheet piece to make up either a stud or a socket of a plastic snap fastener. The base is placed in proper position on one side of the supporting piece, while the post is aligned with it on the other side of the supporting piece and is forced to pierce therethrough and to extend through the aperture in the base. The mounting is completed by crashing the hollow walls of the stem under axial pressure while exerting radially inwardly contracting force upon the open hollow tip brim of the stem.
REFERENCES:
patent: 3107408 (1963-10-01), Huelster et al.
patent: 3159890 (1964-12-01), Jensen
patent: 3195201 (1965-07-01), Ash
patent: 3310871 (1967-03-01), Humiston
patent: 3349451 (1967-10-01), Maeno
patent: 3355780 (1967-12-01), Daddona
patent: 3401434 (1968-09-01), Daddona
patent: 3499808 (1970-03-01), Obeda
patent: 3553796 (1971-01-01), Carlile
patent: 3777966 (1973-12-01), Green
patent: 3869766 (1975-03-01), Raymond
Greigg Edwin E.
Moon Charlie T.
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