Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1980-01-21
1982-01-12
Moon, Charlie T.
Metal working
Method of mechanical manufacture
Assembling or joining
2924352, 227 15, 24216, B23P 1100
Patent
active
043098061
ABSTRACT:
Apparatus and method for applying a snap fastener to a sheet of material, wherein the snap fastener includes a cap member having fastening means extending outwardly thereof and further includes a fastener member that is formed to receive the fastening means for interlocking said cap and fastener members on opposite sides of the sheet material, the apparatus including an annular flexible member that is movable into engaging relation with the sheet material as the fastening means of the cap member are penetrated therethrough, the annular flexible member circumscribing the area of sheet material through which the prongs are inserted and radially stretching the circumscribed area as said prongs are penetrated through the material so as to prevent wrinkling of the material after the application of the snap fastener thereto.
REFERENCES:
patent: 2310007 (1943-02-01), Walff
patent: 2327164 (1943-08-01), Book
patent: 2345476 (1944-03-01), Huelster et al.
patent: 2371813 (1945-03-01), Fenton
patent: 2413702 (1947-01-01), Fenton
patent: 2920325 (1960-01-01), Janes et al.
patent: 3019442 (1962-02-01), Hoeckele
Moon Charlie T.
U.S. Industries Inc.
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